Category: General Operation

Articles that discuss general field sprayer operation and productivity factors

  • Flag the Technology – Matching Herbicide to Genetics

    Flag the Technology – Matching Herbicide to Genetics

    We like to keep things simple ’round here and this poka-yoke from Arkansas is both simple and effective. What’s a poka-yoke?

    Poka-Yoke”: a Japanese term that means “mistake-proofing”. It’s a mechanism that helps an equipment operator avoid (yokeru) mistakes (poka) by preventing, correcting, or drawing attention to human errors as they occur. Thanks, Wikipedia.

    The problem

    An aerial applicator has to spray a lot of fields. They consult their work orders, the plane is loaded, they spray and repeat. However, depending on which herbicide trait was introduced to which crop, accidents can happen. Imagine the mess when you spray a crop with glyphosate… and it isn’t a glyphosate-tolerant crop? This problem promises to become more of an issue as we introduce glyphosate+2,4-D and glyphosate+dicamba-tolerant crops. It may look like the right soybean plant, but you DO NOT want to mess up by spraying the wrong chemistry on the wrong genetics! You think a bit of residue in the lines can cause trouble…

    Yellow flags designate this field as a Clearfield rice field (Photo from UofA FSA2162)
    Yellow flags designate this field as a Clearfield rice field (Photo from UofA FSA2162)

    The solution

    In 2011 the University of Arkansas came up with a “quick and inexpensive” way to prevent this from happening. They used six-foot, colour-coded bicycle flags. Each colour or pattern represented a specific herbicide tolerance, as shown here. Aerial operators were given a copy of this visual key and the growers placed a couple of appropriate flags at the edge of the field on the approach vector at planting.

    The result

    Aerial applicators got one final check before they started to spray… just in case. In 2014 the innovative people behind this concept reported that it prevented countless acres of accidentally-damaged crops. Several (honest) aerial operators admitted to pulling up just before they started to spray because they realized there was a mismatch between what was in their tank and what the field was supposed to receive.

    Corn field with glyphosate (white) and glufosinate (bright green) stacked technology. (Photo from UofA FSA2162)
    Corn field with glyphosate (white) and glufosinate (bright green) stacked technology. (Photo from UofA FSA2162)

    The challenge

    This is the kind of elegant, simple tool that we all should be using for ground rigs as well as aerial sprayers as we begin to plant more crops with stacked traits. Canada, the US, Australia, anyone using these genetics, could benefit. We should consider adopting this method, complying with Arkansas’ existing colour scheme and adding to it as required. Seed companies and agrichemical companies should find a way to bundle the flags with the chemicals and seeds for the buyer.

    Read more about the Flag the Technology method from this University of Arkansas factsheet.

    …and one more time with gusto: “poka-yoke“.

  • Sprayer Nurse Truck Designs Part 2

    Sprayer Nurse Truck Designs Part 2

    One of our recent posts highlighted some great producer designed tender systems for the sprayer.  We posted four submissions, and are continuing the series with new submissions in this post.

    Our fifth submission comes from the folks at Pattison Liquid Systems of Lemberg, Saskatchewan

    I recently saw Phil Lingelbach of Pattison at a sprayer clinic. Pattison has been designing and building  transfer systems for years, and have valuable experience to share.

    I asked Phil and John Young these questions about transfer system designs:

    1. Why is filling faster important? How does it reduce your operating cost?

    “Idle time costs money. Consider that trade in cost of an average high-clearance sprayer is approximately $185/hr on the meter.  So 100 hours of idle time per year is costing nearly $20,000 in reduced trade-in value.

    We also need to maximize “best spray condition” time. We know that application timing is critical to success, and need to take advantage of good weather conditions. Spraying under marginal conditions reduces the chance of good pesticide performance.

    Efficient filling can also reduce labour costs, this is a “snowball number”. Every unnecessary hour spent spraying could be used to do something more productive, in essence a wasted hour costs you two.”

    1. When designing a transfer system, what are the key considerations that separate a good from a bad system?

    “Make sure that the water pumps pushes water to the inductor system.  Do not use a water pump to pump chemical. Contamination is a huge issue with this.

    Keep your transfer system away from the rear of an open deck to minimize dust exposure.

    Front cover - Inductor Pro

    A good transfer system will be easy to clean and very user friendly, valves separated and clearly marked.

    Get the biggest, fastest pump available. Loading water after the chemical is in is key.

    Make it simple to operate, there is lots of hired help on the farm.

    Design it to keep operator from being exposed to chemical. Keep trip hazards to a minimum.

    Include fast product induction. There is no point filling water quickly and having to wait on a slow product pump.”

    IMG_20160330_111710818 resize

     

    1. You mentioned the speed of filling product. What flow meters are most accurate and reliable?

    “The Banjo Mag meters and the Raven FloMax 110 (combined with the 60P) and 221 are the most accurate that we have available, the Banjo is limited to non-petroleum based products though.

    IMG_20160330_111606467 resize

    Both the Raven 60P and Flomax 221 are turbine style meters, to be used with all ag chemicals, – 2” models.

    Banjo Mag meters should only be used with water based products – this meter is the best for measuring water when filling, comes in a 3” model.”

    1. What are the best ways to clean a transfer system? 

    “The best way to clean your jug rinse tank is THOROUGHLY!! There is no such thing as overkill when it comes to cleaning this tank, we use a tank that has no bulkhead (total drain, no bulkhead for product to get hung up on) in the drain, a rinser designed for an 800 gallon tank, and very minimal fittings for chemical to get hung up on.

    Use lots of water, when you think it’s clean, rinse it one more time!!

    All our inductor systems come with a quick attach clean water rinse system, that allows the operator to flush the complete metering/inductor system.”

    IMG_20160330_112122442_HDR resize

     

    1. What is usually the limiting factor when trying to fill a sprayer faster? 

    “Hose size, pump size, venturi efficiency, and planning are most critical. Consider your needs – a system should be designed specifically to the needs of the operator.”

    1. Do you need more than one inductor to handle multiple products in time?

    “Usually one will be sufficient so long as the suction line is of sufficient size and length.

    Our inductor systems are configured to handle more than one bulk product at one time. With just the turn of a valve you can switch from metering one product to another, or quickly change from metering a bulk product to handling jugs.”

  • Sprayer Nurse Truck Designs

    Sprayer Nurse Truck Designs

    We’ve recently been talking about how we can increase sprayer productivity by decreasing downtime. The main productivity robbers are time spent filling and cleaning. Using our productivity calculator, we’re able to show a 30% increase in acres per hour with some relatively simple changes to how we fill the sprayer. It’s important to actually measure the time spent filling, not estimate it.

    A few days ago, Jeff Calder of Letellier, Manitoba (@jcalder1983) tweeted a water truck project he’s been working on, and it generated a lot of interest. We decided to follow a suggestion made by Ron Krahn (@RonKrahn) last fall to show various designs so that everyone can learn from each other.

    This post will grow over the next few weeks as we gather more submissions. The first four submissions are below, the fifth and subsequent submissions will be here.

    Please use our e-mail link on the site to send us your picture and descriptions, and we’ll post them as they arrive.

    The first submission came from Landon Friesen (@landon707) who farms near Crystal City, Manitoba.

    “We bought the front half of a old fuel tanker, stripped it right down to nothing, flipped tank end for end for better weight distribution, and extended the kingpin for bridge length.  It’s just shy of 9000 gal to the lids (far from legal). Built the back frame/box etc.

    Landon Friesen-6

    Mix Tanks on rear platform, bulk totes up top, small boxes in the middle. Blast and paint are next. #westcndag
    Mix Tanks on rear platform, bulk totes up top, small boxes in the middle. Blast and paint are next. #westcndag

    “Starting at the drivers side, all three internal tanks come together in a manifold, you can select which tank you’re drawing from or filling from. You can fill with a 3, 4, and 6 inch pump, connected to the manifold is a stationary pump for only filling  ditches or water sources without pumps with a filter on it.

    Landon Friesen-5

    “Water then travels around the backside of the trailer under the 4 induction tanks, a check valve keeps any product from flowing back into the tanks to prevent contamination. Each induction tank has a 1.5 inch electric ball valve that feeds the three inch line. 

    Landon Friesen-8

    “Each inductor has a tank rinse and a jug rinse. Tank rinse and jug rinse are powered by 2 12 V water pumps drawing from manifold on the drivers side of tank. All electric solenoids control which induction tank gets rinsed.

    “Jugs are stored inside the large box under the bulk deck, keeps them dry and close by the the rear deck. Bulk containers go on the top deck, 900 L totes are gravity fed into the inductors, accurate measurements on the inductors let us know when to shut off the gravity valve, if barrels are used a chem pump is on the back now too.

    Landon Friesen-1

    Landon Friesen-2

    “Inductors are handy because it keeps all products “preloaded” and separate for chem safety until you need them.

    “After the inductors the hose travels to the suction side of the pump, was a 6.5 hp Honda and now replaced by a 13 hp Hypro pump, water or fertilizer then passes through a flow meter and out the 12 ft boom with hose doubled up for 24 ft reach across the ditch.

    Landon Friesen-11

    Landon Friesen-12“Our goal was to have the tanker operator stand by the pump and control panel the whole time, no valves to turn, when you engage the “unloading” of a induction tank on the control panel the auto rinse is activated for that inductor, keeping it cleaned out for the next batch.

    Landon Friesen-7

    “We can fill a 1200gal sprayer with all chem in just under 5 min with all chem included,  that’s from hose connection to disconnect. Gained many acres/day b/c of this trailer. Took us 2 years to build and I’d do another in a heartbeat!

    “We use it for seeding in spring to bring liquid fertilizer to the drill, can keep a skid of seed out of the rain and blend N, S, and liquid P with the flow meter.  Next to the sprayer it’s the most widely used piece of equipment on the farm!

     Landon Friesen-9
     Landon Friesen-10
     
     
     The second submission was made by Jay Schultz (@WheatlanderJay) of Rosebud, Alberta
     
    “Spray tender setup is near and dear to my heart and have set up 2-3 systems in the last few years with the help of my BIL Craig. I have the vision he has the know how. I scoured the internet for a few years for ideas and there is lots of great setups on various forums.

    ” My bulk chemical hose setup can suck out of three totes or barrels. It can dump into the chem handler using a 1 inch chemp pump or I can use the venturi to suck depending on what we want to do. This system is also plumbed with a fresh water line to be flushed. It also has a banjo flow meter. Banjo last a long time, other brands do not. BUT it measures EC not flow which does not work for all chemicals. Back up is measuring in the chem handler.

    Jay Schultz-1

     “When we use jugs we throw them in an old ICB tote so they don’t blow out down the road.

    Jay Schultz-2

    “We are using a chem handler 3 with all three inch hoses.

    Jay Schultz-3

    “When we have barrels and or jugs we have a pallet they we built sides for that also has a shelf. We can remove it with one strap and reload or use 4 totes.

    Jay Schultz-4

    “We have a long hose for filling that has hooks and bungy straps to hold it up. We empty the hose every time because its very heavy when full. To drain the water we just open a valve on the handler to let air in the hose.  We installed an air assists clean-out on the sprayer side so we can push the hose back into the chem handler if we need. The water is always murky so there must be some chemical in the hose. This is also where we fill the tanks on the truck with a three way valve on the suck side of our pump and a three way valve on the pressure side. We have free form tanks, tank 1 is 2350 gal and tank 2 is 3100 gal I think.

    Jay Schultz-6

     “If you have broken feeder chains lying around, the slats make excellent ladder rungs.

    Jay Schultz-5

    “Showing the 3 way valve on the pressure side. Its positioned to fill the sprayer in the picture.

    Jay Schultz-7

    “They have since modified the chem handlers for this purpose but I teed into the venturi to use this for chem totes. I also had an old flow meter I added. I don’t trust it though.

    Jay Schultz-8

    “Our trailer is 48 ft which we bought used for about $8000. Its a bit on the long side for getting into fields. If we could slide the wheels forward it would help but this trailer we cannot. We can fill in about 20 min and our sprayer is 1135 gal. Some advice, when you buy a Rogator the tank size does not match the number on the machine. We though our rate was out but it was because the tank is 1135 gal not 1100 gal. We can spray 4 tanks out and have room for a sprayer clean. We fill the tender at home with a free form 9000 gal trailer tank that we also use for 10-34 during seeding. We fill with a garden hose but are setting up a 1 inch pump to pump out of our overflow spring water system.

    “We also have a tandem flat bed truck with a 2500 gal tank. We use this for 10-34 during seeding and fall desiccation instead of our trailer. Craig and I were much happier with the setup on this unit. We also used an old chem handler we had sitting around. I teed into the Venturi as well so I could suck out of totes. We also put an air clean out that was plumbed  from the truck air supply. When we load 10-34 the hose is messy and heavy. We just blow the last of it into the drill and no mess and easy storage.”
     
    Jay Schultz-9
    Jay Schultz-10
     
     The third submission was made by Tyler Burns (@windypopfarm) of Wynyard, Saskatchewan
    • Dual 3” fill ports: ability to isolate the two tanks in order to fill each tank with it’s own port, front tank can be filled with on board 3” 13HP pump, back tank requires a ground pump to fill.

    Tyler Burns-6

    • Main Pump: Banjo 333 Series Cast Iron Self-Priming Pumpwith 13 hp Honda electric start and pull rope capable of filling a 1200 gal sprayer in under 5 min if you’re only filling water and the filter is clean. Real time fill will range from 8 to 15 min dependant on what chem mix is being used. A future desired upgrade would be a 1200 gal SS tank on the empty upper front deck to pre-mix a complete tank so that every fill would be down to 5 min. This would require a knowledgeable person at the fill site though.

    Tyler Burns-3

    • Auxiliary outlet: 2” clean water outlet often used for washing equipment, grain bag slip n slides or fire control.
    • Filter:3” Helix filter with extra filter elements if you need to swap in the field. Two outlet ports off of the filter. One going straight to the venturi assembly/sprayer fill line, the other going to the Handler 4 or tank #1.
    • Tank #1: The front 4000 gal tank placed just after the upper deck.
    • Tank #2: The back 3000 gal tank placed on the upper rear deck over the tridem axles.

    Tyler Burns-5

    • Chem Handler: A Handler IV with attached Honda pump. The secondary pump allows for the ability to agitate a chemical mix or dissolve a dry component. The pump can also quickly empty the handler in stream with the clean water while the 13 hp pump is filling if you don’t want to use the slower venturi option to suction out the product.  The secondary pump does not need to be running to get pressure to the Handler rise ports as you can open the valve on the outlet side of it to get a supply of water from the primary pumps flow.

    Tyler Burns-2

    • Venturi assembly: full 3” venturi and bypass. Venturi can suction either 2 different chemical barrels or totes and 2” suction of the Handler IV. The chemical induction ports are all dry poppet couplers and the lines 1” induction lines can be swapped if you change products. There’s also a clean dry poppet port to connect to easily flush any of the induction lines.

    Tyler Burns-4

    • Flow Meter: There’s a 1” Banjo flow meter to measure the volume of chemical induced. One issue with this meter is that it doesn’t work with all chemicals but I switched to this make because it doesn’t restrict the flow. As nice as it is to use a venturi to transfer chemical is it does significantly increase fill times. (5 min vs 8 to 15 min.)
    • Level gauge: the level gauge on the front tank helped to minimize overflows and to more accurately fill the tanks to the desired level.
    • Chemical Payload: Room to fit up to 4 pallets of jugs or 4 450L totes.
    • Cage: Empty jug and box cage.

    Tyler Burns-1

    Our fourth submission was made by Kelly Baillargeon (@k_baillargeon) of Edam, Saskatchewan

    “We have set up many spray trailers the last few years, each design has had its improvements.  We run two sprayers between our farm and custom spraying business.  It is very important to our operation to carry the sprayers, it allows the sprayer operator to be able to head out in the morning full of chemical and fuel and spray the entire day by himself.  Our trailers have a 3200 US gallon tank on them which will give us three full fills on our 1000 gallon 4830 John Deere sprayers.

    “We purchased a triaxle water tanker trailer from SGI salvage two years ago (sorry no picture right now as it is tucked away in a shed) that can haul 8000 US gallons per load that keeps our spray trailers full of water and allows my brother and I to spray all day.  We built a large cage underneath the tanker out of iron and expanded metal (8′ x 8′ x 2′) that allows us to throw all of our empty chemical boxes and jugs in it when the spray trailer is getting filled with water.

    “We used to buy older flat deck trailers and build sprayer cradles for them.  But two years ago we decided to buy two of these spray trailers from Flamans in Saskatoon.

    “The trailers are built for hauling a sprayer with the cradle being able to be folded up while not in use, which makes it nice for putting into storage or if needing to use the flat deck to haul anything else.  These trailers should last a very long time for us.

    “We mounted one 3200 gallon tank on the nose of the trailer.  This conserves valuable deck space, we used to use 2 smaller tanks, but this really compromised deck space on our trailer that can be used to haul lots of chemical.  It is also much safer to have lots of room while mixing and filling the sprayer.  We aren’t crowded or tripping over lots of hoses while working on the deck.  There is a ladder stored on the side of the tank to be used if we are parked at a water source that we are able to throw a hose in the top of the tank to fill while we are out spraying.

    Kelly Baillargeon-1

    “Each time we have built a spray trailer we try to make the design more simple.  In my opinion the less total plumbing I have on the trailer, the better.  This makes it easier to teach someone how to use it as well as less chances of making a mistake.  I installed a Straight Shot chem station this time, we always used Chemhandlers before and didn’t have any issues.  But I really liked the simple straight forward design of this chem station.  It is built very compact, saving on more deck space.  Everything is very clearly labelled.  It has 3” plumbing and when bypassing the handler to fill the sprayer with water, there are no bends or restrictions in the water stream, everything goes straight through.  I find that it fills quicker than our Chemhandler did because of this simple plumbing.

    “We use a 3″ Honda pump.  I replaced the Soterra flowmeter that came with the handler (I had lots of issues with them in a very short amount of time) with a 1” Banjo meter.  This meter has no restrictions inside of it, but will not meter products that are not electrically conductive.  I have a backup spinning wheel style meter that I attach to the hose when using these types of products.  The venturi on this Straightshot chemstation sucks extremely fast.  I am able to suck glyphosate out of totes at 78 litres/minute while filling sprayer with water at the same time.  Liberty is much slower, about 45 litres/minute.  Seat to seat fill times on my 1000 gallon sprayer is 5-8 minutes depending how many products are being used.

    Kelly Baillargeon-2

    “A rubbermaid tub with measuring jug, fittings, gloves and other safety equipment is located right beside work station.  The large tank also includes a sight tube on it to prevent overflowing when filling.

    Kelly Baillargeon-3

    “I used “sweep” 90 degree fittings everywhere the direction of water flow changes, these fittings are “wide open” and do not restrict flow.  Another lesson I have learned is to use the flange style fittings everywhere possible, threaded fittings work ok, but a few years down the road when you have leaks showing up, you need to take apart most of your plumbing in order to repair them.  Flange fittings don’t leak as much, most repairs involve tightening up the clamp and if you do need to take it apart, you won’t have to take apart any other fittings to change the seal.

    Kelly Baillargeon-4

    “A close up of the chemstation:

    “There is a connection on the left side that is used to flush out the chem induction hose.  The tank on the chem station rinses really well as it has two spinning rinse nozzles inside the top of the tank.  There is also a fresh water hose on it to help with rinsing tank or washing your hands.

    Kelly Baillargeon-5

    “Located at the back of the trailer, underneath the sprayer, is a large toolbox.  I keep extra parts, safety equipment, small jugs of chemical, a firehose for fighting fires and ratchet straps for tying down chemical on the sprayer deck.

    Kelly Baillargeon-6

    “The water tank is able to be filled from either side of the trailer from the ground by the nurse truck, depending how we are parked at the field.

    Kelly Baillargeon-7

    “Long 3” flexible hose for attaching to sprayer:

    Kelly Baillargeon-8

    “I bolted 4 large ratchets (2 at the front and 2 at the back) to the trailer deck for tying the sprayer down when in transport.  I find straps are much quicker and easier to handle than using chains to tie down the sprayer.  I didn’t want to weld the ratchets to the deck because then I would not be able to remove them if we needed to use the trailer for something else.

    Kelly Baillargeon-9

    “When I have the sprayer loaded on the trailer, I have lots of available deck space to carry chemical.  I have had as many as 4 1000 L shuttles on the trailer at one time with plenty of room to walk around and work safely.

    Kelly Baillargeon-10

    Bonus: Luymes Farm’s Spray Tender 2.0: Moorefield, Ontario

    Post continued here.

  • Top Sprayer Retrofits

    Top Sprayer Retrofits

    You’ve got an older sprayer. Your neighbours have newer sprayers. For various reasons, you’ve decided against a trade.  How can you still get the benefits that newer sprayers deliver? Let’s explore how to improve your sprayer performance and productivity with strategic component upgrades.

    Most of the biggest gains will relate to the plumbing, especially filling and cleaning. Here is a list to think about:

    Nozzles.  This one’s a no-brainer. Nozzles remain the cheapest and most important part of any sprayer, affecting coverage, drift, and accuracy.  Although durable, nozzles do wear or get damaged over time.  But perhaps more important is the changing use patterns of our pesticides.  We are moving into a time of greater reliance on tank mixes that blend systemic and contact products, and also higher water volumes into mature canopies.  For example, fungicides for Fusarium Head Blight benefit from twin fan nozzles. We’re also seeing new herbicide registrations with greater spray quality (droplet size) restrictions, requiring coarser sprays or higher water volumes to maintain acceptable drift amounts. Are your nozzles able to meet those needs?

    Nozzle bodies or turrets. As we move towards more specialty applications, perhaps we need a greater selection of nozzles at our disposal at any given time.  Bodies with 5-nozzle turrets are standard on newer sprayers, and these make sense. Burnoff, in-crop, fungicide, and fertilizer nozzles are four that most users will need just from flow-rate needs alone.  But some finer or coarser options of each may also be justified, and easy access saves time in the field. New bodies also provide new seals, and the newest offer higher flow rates and exchangeable parts.

    Boom end cleanout.  Removing residue or air from booms is an important part of good practice.  Many sprayers already have manual valves that allow this to happen relatively easily, but it’s still a process that an operator has to make time for.  And on top of that, flushing boom sections results in massive doses of pesticide on the soil.  One of the most innovative inventions in recent times is Hypro’s Express Nozzle Body End Cap.  A DIY or dealer installation of these units allows your boom to bleed introduced air on the go.  The ENBEC also forms a dead end exactly at the last nozzle position, eliminating the dead spots that introduce contamination after a pesticide switch.  Cleanout and shutoff response also improves.  A fast boom flush is straightforward by moving the turret to an open position.  TeeJet offers a Rapid Stop extended inlet tube that evacuates trapped air from the wet boom, can be retrofitted on most bodies. Wilger Combojet bodies offer a similar design called Kwikstop. Both can be expected to improve shutoff response, but do not address boom end contamination.

    Wet boom. Are your wet booms made of plastic? If so, they can warp over time and are also harder to clean.  Replacement wet booms are available from several suppliers, including Hypro and Wilger.  These are made of thin-walled stainless steel for excellent durability and ease of cleaning. Wilger units are very thin and light and come with their own Quick-Nut fittings and feature swept elbows and Ts.  Hypro’s Express Booms come with nozzle bodies and Express Nozzle Body End Caps. Flange fittings are used in the Hypro upgrade.

    New boom. Some people are recognizing the value of boom width in sprayer productivity and are considering a wholesale boom replacement from a third party.  These booms come in wider sizes, lighter materials such as aluminum or even carbon fibre, and innovative plumbing options such as recirculating designs or telescoping for adjustable widths from 80’ to 150’. Perhaps a better suspension system or automatic boom levelling system is part of such a purchase.

    Individual nozzle shutoff. Most sprayers have sectional control of at least 5 sections. But some of the outer wings (the part of the boom that is most often involved in sectional control) can still contain significant lengths tied to a section, creating waste. With individual shutoff valves, a boom can be converted to either many smaller sections or even nozzle-by-nozzle sections, depending on the capabilities of the rate controller.  Not only do these offer excellent resolution, they also feature instant shutoff and turn-on response at the spray pressure.  Because this type of installation can demonstrate product savings, it has a calculable ROI.

    Rate controller. Some older sprayers struggle with responsiveness. An operator changes speed, and has to wait a long time for the rate controller to catch up.  A newer controller can improve the responsiveness significantly, offer a new larger cab screen, work better with a navigation system, or even include ISO-BUS capabilities for future upgrades.  Improving the user experience with a better interface can be valuable, giving an old sprayer a new capabilities and feel.

    Variable rate technology. We are seeing several options that can offer better control over nozzle flow rate to suit either a greater range of travel speeds (on hilly or otherwise uneven land) or a better range of rates for prescription map application.  Pulse-Width Modulation systems from Capstan (Sharpshooter) and Case (AIM Command), Raven (Hawkeye), or TeeJet (DynaJet) all offer these types of features.  A new nozzle body, Hypro Duo React, achieves similar results with multiple nozzles that can switch back and forth according to flow rate needs.

    Boom lights. Whether spraying at night or wishing to see spray patterns better in the day, boom lights can help. Versions are available from ATI or SprayTest. Caution is advised when spraying between evening and morning hours, as temperature inversions are common during that time.

    3″ plumbing. One of the biggest productivity tools is decreasing the time required to load a sprayer.  Wide booms applying large water volumes at fast travel speeds can empty even a large tank in 30 minutes or less. If the fill also takes 30 minutes, then 50% of the spray day is spent idle just for filling.  Increasing the fill speed with a new load system using 3” plumbing and a high capacity pump can reduce that to 10 minutes, adding acres per hour.  Make sure, though that dry products are properly hydrated so they mix well and stay out of screens. Also consider the rate of chemical induction, as that can be a bottleneck.

    Tank wash down nozzles. These nozzles, installed at the top of the tank, direct a clean water source (containing a cleaning adjuvant if needed) to the tank wall, rinsing the pesticide off. Successive batches of cleaning improve the tank wall decontamination as the solution becomes more dilute.  By making the wash down easier, tank cleaning can occur in the field immediately after spraying and the rinsate can be sprayed out in the field.  This saves time and prevents point-source contamination.

    Self-cleaning line strainers. Consider this a productivity tool.  Mounted on the pressure-side of the pump, these strainers use excess pump capacity to bypass particles back to the tank.  A tapered design creates a rapid flow of liquid past the screen face generating continuous wash-down of particles. Regular inspection is still recommended, but the chance of a problem is significantly reduced. Because debris is returned to the tank, proper tank sump cleaning becomes more important.

    Pump.  Some call it the heart of the sprayer. The pump pressurizes the spray mixture so it can be distributed evenly and atomized.  To do this, it needs to produce high enough flow for our ever increasing water volumes, travel speeds, and boom widths, while maintaining enough reserve for agitation. Some use the system pump to draw water into the tank, which can present a bottleneck.  Clearly, capacity and pressure are important.  Pump impellers can wear and seals can leak, reducing performance. New or re-built pumps are available in long-lasting stainless steel, and the best new models have flange fittings and seals with either enhanced dry-run survivability, or dry-run capability. An upgrade definitely worth considering.

    Clean water tank with dedicated clean water pump. This is another productivity tool. Cleaning the tank in the field without stopping the sprayer becomes an option with this design. Rather than use the product pump to draw clean water into the tank, mix it up, spray it out, and repeat, this design allows continuous cleaning. When the product tank is empty (signalled by a loss of pressure), the clean water pump turns on and delivers clean water through the wash-down nozzles. The pump must have enough capacity to obtain a good cleaning spray from the wash-down nozzles. As the sump fills again, the product pump delivers it to the boom and also cleans the return lines. The end result is prompt cleaning of the tank and thorough, efficient dilution of the remainder.

    Boom remote control. Whether it’s for cleaning out boom ends or simply verifying proper nozzle operation, a remote boom section shutoff makes those jobs easier, safer, and more environmentally friendly. Boom remote controls let you turn on just the boom section you need to inspect. It’s also useful for nozzle calibration.

    Tires. Ask yourself: what equipment do I spend more time in than any other, makes more passes over each field than any other, makes deeper ruts than any other, and gets stuck more often than any other?  A new set of tires, or even tracks, might be worth considering. Low-pressure sprayer-specific tires with VF (Very High Flexion) technology are available from major suppliers. These offer sprayer-specific lug designs, they increase the footprint for increased floatation and less compaction, and they can also improve ride quality. Tracks, though considerably more expensive, are becoming available for sprayers and can make sense in some situations.

    Some of these retrofits can be costly.  But they can introduce new life and utility into an aging chassis, resulting in higher productivity, higher quality work, or simply a better operator experience.  All of these are important and are worth investing in.

    Here’s a Real Agriculture video of Tom and Jason talking sprayer retrofits at the end of Edmonton’s 2016 FarmTech.
    Note the snazzy “Sprayers101” team shirts!

  • Lessons Learned from the Top 5 Field Sprayer Articles of 2015

    Lessons Learned from the Top 5 Field Sprayer Articles of 2015

    When Jason and I launched the Sprayers101 website in June, I wasn’t sure what to expect. Seven short months and 150 posts later, we’re stoked to have had such a great response.  About 70,000 page views.  17,000 users.  Of the over 100 countries that have visited, Canada, the US, Russia, Australia, and the UK are the top 5.  Jason provided some great background to the venture in his recap of the top horticulture posts.  I owe him a debt of gratitude for leading this effort.

    It was a pleasant surprise that a very specific subject matter such as agricultural spraying could generate this level of response.  Without a single mention of the Kardashians!

    Here are the top five posts on field spraying for 2015:

    1. Agrifac Condor: A Wake-up Call for North American Sprayer Manufacturers? 3078 views. Prior to writing this article, I’d been watching this relatively new (to me) Dutch company for about one year.  I noticed that they thought big, and featured technologies that had benefits for applicators, like air-assist or twin-fluid nozzles, wide booms, and clever plumbing. On seeing the sprayer first-hand at Canada’s Outdoor Farm Show in Woodstock, I knew it was just what the industry needed.  A wake up call.
    2. Exploding Sprayer Myths Episode IV: Speed Spraying. 2211 views.  What is life without a bit of fun?  Writing and filming these episodes had us in stitches.  With generous support of Shaun Haney and the gang at RealAgriculture.com, we’re producing these in our spare time and with gifted resources.  A big thanks to Bern Tobin for being the videographer, director, and rough cut editor, and Jason Stroeve for the final editing, special effects, voice-overs and all those other things that go into it.  We hope to do more of these, resources permitting.
    1. A New Way to Purchase Sprayers. 1058 views. A friend recently reminded me that I used to urge producers to spend more money on sprayers. Well, the industry responded by making sprayers more expensive (you’re welcome), without actually improving our control over deposition uniformity, coverage, or drift.  So yes, people are spending more, but not the way I intended.  In the meantime, the innovations that matter, those on the spray boom – width, aerodynamics, recirculation, better sectional controls, droplet size and rate management – are still considered special options that are probably too expensive.  We’re still looking for the right balance here.
    1. Sprayer Tank Cleanout. 968 views. Cleaning a sprayer remains one of the top concerns of an applicator, actually the whole industry, and we’ve written about it several times.  But it wasn’t until we had a guest contributor, Katelyn Duncan, offer her views that we had any real success.  Katelyn is a Regina area farmer with her own blog and an interest in machinery.  She approached the issue from a practitioner’s perspective and this really resonated and generated a lot of discussion.
    1. Calculators and Tables. While no single table or calculator broke into our top 5, collectively they did and this is worth mentioning.  Much of spraying is mathematical, from rate calculations, to calibrations and nozzle size selection, travel speed ranges and so forth.  Despite living in an age of connectivity and touch screens, a laminated table in the sprayer cab is often worth its weight in gold.

    So what are the lessons?

    For one, we showed that a dedicated website for just one aspect of a farming operation seems to be in demand.  That should encourage those specializing in seeding or harvesting techniques, commodities, fertility.  Where are those sites?

    People seem to want alternative, independent views, sometimes voiced as controversial opinions. Much of our media is controlled by corporate interests with soft-sell implications.  Yes, it’s interesting and valuable information.  But a reality check, whether it comes from an independent researcher or a new entry from the corporate world, is still needed.

    Alternative formats for information are important.  Not everyone learns by reading articles or deciphering charts. By offering a bit of entertainment, we can reach new clients or demographics that we’d otherwise leave behind.  Plus, for Jason and I, the opportunity to be creative is probably the single most important thing about Sprayers101 that keeps us going.

    Lastly, we are so pleased to have guest contributors on our site.  Anyone can contribute – just drop us a note.  I think it’s important to hear different viewpoints, and learn from each other.  That’s one of the great things about agriculture – the willingness to share information.  Any applicators out there who want to describe an aspect of their operation, from innovations in how they fill faster, to their experience with boom lights or cameras, to their thoughts on boom height controllers or PWM, we’d love to hear from you.

    Thanks everyone for supporting Sprayers101.com!