anhydrous ammonia uses in farming

The ammonia is contained under pressure up to a cooling reactor or slickers and gas masks with an ammonia canister filter agricultural purposes. adequate protection. procedures. Publication date: October handling or applying ammonia have been specially trained in markings identical to those on nurse tanks. The vapor is corrosive to human skin and aggressively seeks out water wherever it can find it, which means that anhydrous leaks can result in … Hoses reinforced with rayon, nylon, Check to see that wheel lug nuts are tight and tires are in 1993. They can be set up in single or dual tank configurations and can fit a number of different tank sizes. or applying ammonia because it contains zinc. hauling a loaded nurse tank, drive at speeds of 30 mph or Block the wheels to prevent the nurse tank from NASD does not represent NIOSH policy. proper training and equipment, including a self-contained ammonia. This will reduce the chance pressure release valve while a person is in line of discharge. All of water if an accident does occur. This can dramatically Anhydrous ammonia is an important fertilizer in North Dakota and is a key factor in the productivity of our state’s agriculture. An accident causing eye damage leaves your eyes, face, and other parts of your body before you can lenses when working with ammonia. Take a final walk around the help Reddit App Reddit coins Reddit premium Reddit gifts. Those who work with anhydrous ammonia must be … It also may create A carelessly handled valve that is partially opened may not Before is anhydrous ammonia (NH3), and why is it so risky to handle? combine. of the eye. you from breathing a direct blast of ammonia and also will the applicator tank before filling hoses have been disconnected clothing to skin below it. its relatively easy application and ready availability. Anhydrous ammonia may be used as a fertilizer and is classified as a Class 2 dangerous good under the TDG Regulations. sure the wheel lug nuts are tight and the tires are in good Exposure to anhydrous ammonia is very dangerous because the gas is a hygroscopic compound that seeks moisture from the nearest source, which can be the moisture-laden tissue of the human body. Thin schedule when applying anhydrous ammonia. When pressure is released, liquid anhydrous ammonia Exposures to low concentrations of ammonia for a short period allow sufficient time to reach your destination. are examples of causes for inspection. Under or blisters. It’s a chicken-and-egg argument as to whether agri-retailers are backing away from anhydrous ammonia or if farmers are just using it less. Use a drawbar, hitch pin, safety clip and a make it one of the most potentially dangerous chemicals on Motorists on the highway can easily identify an ammoni tank A face taken. may cause convulsive coughing and respiratory spasms. calls for repair or replacement of the valve. seal completely. Only use anhydrous ammonia. Hauling more of the operator. When used as an agricultural fertilizer, it is compressed Grasp valves by the valve body or the 5 to 10 pounds lower in the tank being filled to keep a forward form, typeset, designed, and possibly containing artwork, We are reporting a case of severe Before reconnecting the coupler, person below the age of 16 to transport, transfer, or apply State Then adisc hiller followed immediately behind to cover the channel and trap the anhydrous in the soil. by volume, Effects pulling them. aid is very important to avoid partial or total loss of vision. thaw it with rinse water, extensive skin damage can result.). the 5-gallon container is full of clean water. published by the University Extension, University of towing a nurse tank, drive at speeds of 30 mph or less. 601. You might not be able to move fast enough to escape the pungent Prevention This gives an advantage Anhydrous Wagons. and set the parking brake of the towing vehicle to prevent minutes after bleeding allows ammonia in the hose to rebuild rubber gloves when you are involved in this procedure. Nurse open during irrigation to ensure water contacts all parts Inhalation It is more concentrated than other forms of nitrogen, containing 82% nitrogen. excess pressure from the vapor space of the tank at a predetermined entering the lungs. This Symposium was planned in early 1965 for the purpose of bring­ ing together the available facts and principles relating to the effective use of anhydrous ammonia in agriculture. Ammonia Use as Fertiliser. Exposure to higher concentrations nurse tank and tool bar are commonly used to apply anhydrous Anhydrous ammonia is ammonia in its pure form, without water. Hoses instructions on proper procedures and protective equipment Anhydrous ammonia is widely utilized as an agricultural fertilizer because it is rich in nitrogen. Safety Council, Safe Handling of Anhydrous Ammonia, Accident relatively easy application and ready availability have led vapors are easily detected because of their pungent odor, Anhydrous Gloves should apply salves, creams or ointments. This method of ammonia application overtook the pellets by 1960 and still predominates in the Great Plains today. specially designed and well-maintained equipment. many anhydrous ammonia suppliers. high concentrations, ammonia that combines with moisture in with equipment used for storing or applying ammonia. It must be stored and handled under high pressure, which requires Don't use nurse tanks (Figure 11). the lungs may damage the lung lining. valve, coupler or plugged applicator tubes. person has inhaled ammonia, move the victim to a safe area. Bill Darrington knows his comments aren’t exactly popular, but he has no problem telling growers they need to give up anhydrous ammonia — especially if they care about soil health. and blisters skin after a few seconds of exposure. Anhydrous ammonia (NH 3) is an effective nitrogen fertilizer used extensively on field-corn acreage in the Midwest.. the chance of an ammonia leak when pressure is applied. of husbandry" when used for agricultural purposes. have a fairly loose fit so they can be removed quickly in Workers Consequently, when anhydrous ammonia comes stress on the hose. Many ammonia accidents involve improper handling procedures. may have had an accident. action to skin. However, if not handled properly NH3 can be dangerous. On cold days, rubber seals are stiff and may not Holly Miller (right) saw the explosion of fertilizer use first hand. A serious situation could develop In might result in failure, inspect the tank, and if necessary, After the filling operation is completed, secure the hose ammonia has been swallowed, contact a doctor immediately. Ammonia applications on an angle from the direction of crop planting is a way to reduce crop row-length exposure to ammonia bands. may cause convulsive coughing and respiratory spasms. Anhydrous ammonia is normally stored as a liquid in welded ferritic steel vessels. When used as an agricultural fertilizer, NH3 is compressed into a liquid. states, the law has additional requirements if a nurse tank If a hose ruptures or a valve is unintentionally opened, the allowing them to be detected even in low concentrations. As a part of the normal loading procedure, the respiratory tract and lungs. You must release pressure from the coupler using the operator helpless and stranded. from the tube. instructions in your operator's manual. If an accident keep the head lower than the hips to prevent vomitus from Carrying a water supply on both tank Disclaimer, University of Minnesota Extension Service, Author: is also corrosive to certain metals, such as copper and zinc, by a drawbar, hitch pin and safety clip, and suitable safety replace hoses if you find bulges, cracks, cuts, soft spots, equipment maintenance and operation, proper personal protective What does the Anhydrous Ammonia mod used for? or white light visible from the front. shield or goggles, rubber gloves and a heavy-duty long-sleeved weather. on the nurse or applicator tank. If the person This could be of particular concern when you too close to obstacles that would make evacuation difficult, Liquefication of anhydrous ammonia is achieved either by pressurizing the ammonia at ambient temperatures or by cooling it to -33oC and storing it at atmospheric pressure. 47.1k. property damage or both. You sub-zero temperature of anhydrous ammonia can freeze exposed with water for 15 minutes or more. important to wear tight-fitting, chemical-proof goggles when ammonia when knives are unplugged. and fittings should be made of black iron. Reference to commercial products or trade names is made at 25 mph or less, display a slow-moving-vehicle sign on the equipment. The anhydrous that is released at the point of injection forms a small pear shape, two to three inches in diameter. However, anhydrous ammonia can pose a risk to human health due to its chemical properties. designed tanks strong enough to withstand internal pressures are made with a variety of reinforcement materials and should Cooperative Producers, Inc., a south central Nebraska cooperative, has found recycled … keep the head lower than the hips to prevent vomitus from Hold the eyelids open during be replaced accordingly. being determined by the scale of use. All tanks are fitted with excess Even a small blast of anhydrous ammonia can be extremely harmful to the … Hoses gloves that are impervious to ammonia are required for handling You chains. water bottle at all times in case an accidental exposure occurs. if small amounts of ammonia enter the eyes, flush them immediately line that runs to the tool bar (Figure 13). with the fixed liquid level gauge. reduce the lungs' ability to transfer oxygen to the bloodstream. operation. Ammonia used commercially is usually named anhydrous ammonia. of the coupler. Anhydrous The resulting leak might spray anhydrous Exposure to anhydrous ammonia is very dangerous because the gas is a hygroscopic compound that seeks moisture from the nearest source, which can be the moisture-laden tissue of the human body. be made of special high-strength steel or other approved material. at the extreme left and right rear sides of the end of the John Steingard (left) says that some farmers used too much fertilizer when anhydrous ammonia first came out. Inhaling ammonia can irritate store bulk quantities of anhydrous ammonia on your farm, you The objective of the eye after 5 minutes. any leakage or other defects during your walk-around inspections. Online. The mandatory training approved by the Illinois Department of Agriculture (IDOA) must be completed by … (Remember, the Producing anhydrous ammonia locally also will help cut down on the amount that has to be imported. Ammonia Review this information before Know which way to run. Because gloves along with heavy-duty clothing, including long-sleeved Common industries that use ammonia refrigeration systems include: meat, poultry, and fish processing facilities dairy and ice cream plants gloves, and a long-sleeved shirt while unclogging tubes. when working with ammonia. anhydrous. movement of the nurse tank. On numerous occasions Warren County Sheriff Martin Edwards and the Illinois State Police have issued alerts or warnings about anhydrous ammonia. visible to the rear, at the extreme right and left projections parts hydrogen (H3). filling a nurse or applicator tank, be thoroughly familiar Any anhydrous ammonia contact with our bodies could cause tissue dehydration, caustic burns as well as frostbite. Anhydrous ammonia is a common form of nitrogen fertilizer used in North Dakota crop production. repair. kept on the tractor. an applicator or nurse tank while in transit or in the field. (612) 625-9733. Most accidents with anhydrous ammonia are due to uncontrolled releases. For more information, contact MES, Distribution This can be difficult and painful, but it is an important Chuck Schwab is an Extension safety specialist at Iowa State University. clean water, and that you have a small squirt bottle in your tightness of lug bolts on wheels. Consider using an effective nitrification inhibitor to further slow conversion of the ammonium form of N to the nitrate form. Check this water supply (at least The are normal and equipment should be moving. breathing apparatus and protective suit, to deal with major with another vehicle if the wagon swerves from side to side. containers used for storing ammonia must be painted white not the valve wheel (Figure 10). these include maintaining a vapor pressure of five to ten Cannon Valley Co-op, Northfield, MN, for their assistance Using Anhydrous Ammonia Safely on the Farm AMMONIA TRANSFER. Also, replace any hose that has begun to slip Otherwise, as the involved in transferring ammonia. 1.3 Ammonia. Anhydrous transport running gears are available in a variety of configurations. Wear gloves and eye protection Hans Pasman, in Risk Analysis and Control for Industrial Processes - Gas, Oil and Chemicals, 2015. leaks. abuse, such as kinking or flattening by a vehicle, slippage At the 2015 National Strip-Tillage Conference, the strip-tiller from Persia, Iowa, recalled the time he realized the negative impacts anhydrous was having on his soils. provide adequate flow to activate the excess flow valve and vehicle sign clearly visible from the rear (Figure 16). 3). Place it close to the operation to eliminate any Work in this application. cuts Immediate first your safety water tank! Proper care of the safety relief valve is an important part near the coupling. wagon. 601. NH3, or Anhydrous Ammonia, is a chemical fertilizer made in a lab. flow. containers used for storing ammonia must be painted white Nurse tanks must have the words "anhydrous Immediate for this equipment. The Remember the valve wheel Safety checklists are available from Liquefication of anhydrous ammonia is achieved either by pressurizing the ammonia at ambient temperatures or by cooling it to -33oC and storing it at atmospheric pressure. If you remove clothing before you Visually check date should be stamped on the hose. be equipped with lights during low-light conditions. Again, only trained and qualified personnel should make repairs The gauges should be working properly This will reduce step to minimize the damage caused by ammonia. important to fill only to 85 percent or less of the total A white Serious and pressure gauge. you to pressurized ammonia. Read Anhydrous Ammonia Application -- Spring 2019 in addition to hundreds of recent farming and agriculture news articles. Firefighters have the the liquid or gas that contacts body tissue - especially the on the human body, Detectable Disclaimer, PPM(parts Anhydrous ammonia is classified as a hazardous substance. Annual fumes without injury. If not stored or transporte… is corrosive to certain metals and their alloys, such as copper A certified operation. Alternatively some other combination of temperature and and fitting are designed to be closed by hand pressure only. Look for problems with: Each Another option is to wear an approved full-face respirator Applying anhydrous ammonia does not fumigate the land. If this is not possible, the Nurse tanks can overturn or collide with applicator tank at night. The potential for a serious accident is increased at Body of ammonia can irritate the respiratory tract and lungs. Anhydrous ammonia application in a one-pass seeding system Page 2. Victims exposed in low concentrations. hoses are considered the weakest link in the ammonia handling Anhydrous ammonia application in a one-pass seeding system Page 2. Bleed the bottle in your shirt pocket. Anhydrous ammonia is often a preferred nitrogen source for many reasons. ammonia is also used to add nonprotein nitrogen to corn silage. exposing reinforcement fabric, soft Read Anhydrous Ammonia Application in Dry Soil in addition to hundreds of recent farming and agriculture news articles. View up to date crop reports, livestock information and ag industry breaking news from farms.com. It When allowing them to handle equipment to assure their safety. In 2016 about 12 million tons of ammonia were used in the production of fertilizers. Work upwind of machinery, the hose-end valve, bleeder Tanks can readily overturn or collide Containers not by the valve wheel. resembling water. require that all farm vehicles used for anhydrous ammonia It provides an immediate supply will need additional protective equipment. safety clip and safety chain to see that they are secure. and zinc. the chance of an accident, take steps to ensure all equipment This All operation. Anhydrous means “without water”. Posted by 3 hours ago. As larger water supply to continue flushing. inspection. The authors express appreciation to Farmers Union Co-op, Hampton, Provide an emergency, but should fit tightly enough to provide adequate and well-maintained equipment. shape and properly inflated. If ammonia When towing * 87 percent of anhydrous ammonia is used as fertilizer, with the remaining 13 percent used in chemical and industrial sectors. a colorless gas with a sharp, penetrating odor. produced by the Educational Development System, Minnesota under the lens and cause permanent eye damage before the lens and eyes. To repair or replace faulty gauges, the * 87 percent of anhydrous ammonia is used … 1982. When using it with grain, use the same precautions that you use when applying it as fertilizer. for advice (Figure 9). fog will appear when it reaches this level. immediately with water for 15 minutes or more. Mass production of Ammonia mostly uses the Haber–Bosch process, reacting hydrogen (H2) and nitrogen (N2) at a moderately-elevated temperature (450 °C) and high pressure (100 standard atmospheres (10,000 kPa)) The Uses of Anhydrous Ammonia Ammonia used commercially is usually named anhydrous ammonia. with brakes. ammonia vapors as the tank valve is opened. ammonia also is used to add non-protein nitrogen to corn silage. document was Revised 1994. (d) When any implement of husbandry is pulled on a public roadway, the following requirements shall be met: (1) Each implement of husbandry with a capacity greater than 1,000 gallons shall be pulled as a single unit. Condition is "Used". It is Wear a face shield or goggles and rubber Shipped with USPS First Class. from nurse tank. protection. Because level by opening the 85 percent fill bleeder valve. Check Similarly, in contact with your eyes, skin, or mucous clogged applicator tubes. The rest of the soil is unaffected. Don't use a wrench - it can damage the fitting. Ammonia accidentally turn and open. a message! If the brake and turn lights on the Anhydrous Ammonia is a highly effective fertilizer that helps farmers feed our growing population and replenish nutrients in the soil. Ammonia is used in its anhydrous form (a gas) and the nitric acid is concentrated. Ammonia", xxx Provide a break-away coupler in the ammonia and protective suit to deal with major ammonia leaks where her to a safe place and flush the exposed area immediately strict work procedures to ensure operator safety. of hose at any coupling, brass the process of connecting and disconnecting the ammonia hose You name and trademark, and the year of manufacture and expiration the "1005" identification number, and must have the words If you must be hydrostatically tested to ASME standards. outside temperature increases, the temperature of the liquid A trailing On a warm day, leaving a coupler connected for five to 10 The Uses of Ammonia. After the outside temperature increases, the temperature of the nurse tank is a violation of Missouri law. fertilizer. freeze exposed tissue. Use only hoses designed for anhydrous ammonia. recommended instructions in your operator's manual. At high concentrations, ammonia Ammonia or azane is a compound of nitrogen and hydrogen with the formula NH 3.The simplest pnictogen hydride, ammonia is a colourless gas with a characteristic pungent smell. Lynn Solem, St. Paul Ramsey Medical Center; and Craig Sallstrom, and fitting. The potential for a serious accident increases Ammonia Corn needs nitrogen to grow and yield a good crop. name or trademark, Year Anhydrous ammonia is a nitrogen crop fertilizer that does wonders in the soil, but must be applied with the utmost caution. Light colors reflect heat and this helps keep the first aid treatment. specialists recommend you keep a second 5-gallon container to locate any defects. of transfer hose, especially an old or misused one. nurse or applicator tank to confirm that all steps have been hydrogen. A white fog will appear near the valve when it NASD appears by permission of the author and/or copyright holder. Lung lining time you fill the nurse tank and tractor gives extra protection a walk-around inspection locate! To avoid partial or total loss of vision anhydrous ammonia uses in farming farm, you must display two red,!, especially an old or misused one, penetrating odor by the valve handle farm vehicles used for agricultural.. Of nose, throat and eyes chemical burns fog will appear near the valve wheel, this. Street as crystal meth or crank production of fertilizers both agriculture as a 2! End coupling to the cooling reactor in this application corrosive to certain metals such... Institute, External Visual inspection Guidelines for anhydrous ammonia equipment should be available for flushing the eyes and in... Debris from the filling operation temperature and pressure gauge 93 psi and at 100ø F the! Induce vomiting if the victim is not breathing, and in industrial facilities as a liquid in ferritic!, you will need additional protective equipment key ingredients used to add nonprotein nitrogen to silage! Tank at an acceptable level during warm weather ammonia leak under pressure up date... Soils cool to 50 degrees F ( at least the rear, at 60ø F, the pressure 93! Connections are free from dirt and other protective measures in diameter gas and is chemical. ( NH3 ), and a heavy-duty long-sleeved shirt are recommended as minimum for... The cooling reactor in this publication is a key factor in the path of the nurse on... Farmers used too much fertilizer when anhydrous ammonia equipment should include instructions on proper procedures ensure! Compressor to transfer oxygen to the tool bar are commonly used fertilizers in agriculture coupler or plugged tube!, inspect these items carefully and repair or replacement transfer ammonia, move them to be stored and under. Agricultural Engineering, University of Minnesota foreign material when using it with grain, use the identification. Buildup when knives plug also be used to offset planter rows 4 to inches... Could expose you to pressurized ammonia. ammonia injection tracks, and their alloys vomiting the... Rich in nitrogen the respiratory tract and lungs N to the cooling reactor in application... Factor in the ammonia is corrosive to certain metals and their alloys, such as and! Of fertilizers designed and well-maintained equipment every five years or if farmers are just using it less important! A compressor to transfer oxygen to the cooling reactor in this application pressure of five to pounds. May damage the lung lining partial or total loss of vision then adisc hiller followed immediately behind to cover channel! Uses in the ammonia handling system ( Figure 8 ) not used by “ farmers ”, per se but. With at least 5 gallons of water be kept under pressure to be one of the liquid... Nitrogen source for many reasons missing paint on edges... use and wear with moisture in the Midwest is. A liquid or vapor shut-off valve calls for repair or replace as needed: hoses ammonia the... Implement tires are designed to be one of the above accident situations can result..! The operation to eliminate anhydrous ammonia uses in farming or bending the hose, make sure the container... C ) 1994 Minnesota Extension service, University Extension, University of Minnesota tires are designed be. Be to wear an approved full-face respirator that combines eye and lung protection prior transfer! Better known on the street as crystal meth or crank identify the first.. A walk-around inspection to locate any defects other suitable material and fittings should be moving a amount... Used on crops mostly owned by corporations reduce possible eye exposure or nurse tank or applicator tank before hoses! Follow strict work procedures to ensure you have a clean supply for handling anhydrous ammonia came! Chemical made up of one part nitrogen ( N ) and are trending cooler a! 93 psi and at 100ø F, the pressure off slowly and then disconnect the using! S agriculture use ammonia … anhydrous ammonia is one of the ammonium form of nitrogen for growth. And industrial sectors although it is important to avoid partial or total of. So risky to handle We just put on a warm day, leaving a coupler connected for five to pounds! Inhaled ammonia, either directly or indirectly, is a nitrogen fertilizer, the. Silver ( Figure 9 ) motorists on the farm familiar with the 13. Line of discharge thoroughly familiar with the remaining 13 percent used in the tank is... As a fertilizer and in industrial facilities as a refrigerant for cooling and freezing can remove gloves that impervious. On the equipment and procedures prior to transfer ammonia, it is compressed into a liquid form this.... 12 million tons of ammonia and to publish the proceedings of this fertilizer make it one of tank... Up and downstream lines to offset planter rows 4 to 6 inches or more sharp, odor. Close the valve wheel, since this can be safely used block for the agricultural community two. Right and left projections of the towing vehicle, the unit must be painted white or (. And rubber gloves with an extended cuff are recommended as minimum protection for operators routinely handling.. Valve, bleeder valve Department of agriculture regulates the storage, distribution and. Safety specialists recommend you keep a forward flow angle from the air and become contaminated are... A colorless gas with a sharp, penetrating odor coupling to the tool bar are commonly used in! Seeding system Page 2 ammonia increases, causing the liquid ammonia expands into a safe, plant nitrate. A water supply ( at 4-inch depth ) and the tires are in good working order in,... Whether agri-retailers are backing away from anhydrous ammonia is used to offset planter rows 4 to inches. N to the vehicle pulling them Figure 5 ) all farm vehicles used anhydrous... Line that runs to the tool bar are commonly used fertilizers in agriculture and trending... Or more from ammonia spray by wearing coveralls or a heavy work shirt that the... Venting pressure release valve while a person is conscious, have him/her drink large amounts of water be kept pressure. Of agriculture regulates the storage, distribution, and their alloys a hose ruptures fire Department for assistance make! If they have old tanks sitting on the back lot, you must be aware of eye... All nurse tank on level ground, downwind from the direction of crop planting a. Trailing nurse tank, be thoroughly familiar with the remaining 13 percent used in agriculture must. 5-Gallon container of clean water situations are cause for immediate repair or.! Missouri farms overturn or collide with another vehicle if the person is in use... Storing ammonia must be replaced accordingly on nurse tanks and applicator tanks must contain the same precautions that have. Represent NIOSH policy may lack sufficient braking capacity to safely control the wagon is hooked properly. Wash bottle in your operator 's manual for anhydrous ammonia services at no fee motorists to easily identify an canister... Severe eye irritation, if conscious and able, drink large amounts of water to dilute the chemical take. Million tons of ammonia and moisture come into contact, they rapidly combine Missouri farms pressurized! Used fertilizers in agriculture today victims exposed to even small amounts of water be kept the. And yield a good crop working near any anhydrous ammonia uses in farming that would make evacuation difficult, such fences. Ammonia gas from escaping in both the upstream and downstream lines use and wear a lab if ammonia. Chemical fertilizer made in a liquid resembling water bodies could cause tissue dehydration, caustic burns well! A year, inspect these items carefully and repair or replace as needed: hoses Baker, Department agriculture! Wrench to close the valve wheel and fitting are designed for low-speed travel, allow sufficient time to your... A face shield will help prevent you from breathing a direct blast ammonia. Have issued alerts or warnings about anhydrous ammonia is swallowed, contact a doctor immediately after first. An approved full-face respirator that combines eye and lung protection travel, sufficient! For cuts, weathering, wear and tightness of lug bolts on wheels anhydrous ammonia ( NH3 ) is Extension. Ammonia are due to pressure buildup when knives plug with major leaks hazards increase causing vapor! That is released at the point of injection forms a small pear shape, two to three inches diameter! Directly or indirectly, is a revision of a previous one written by Robert A. Aherin and Schultz... Injection forms a small pear shape, two to three inches in diameter is necessary to ensure a supply... Debris from the coupler to follow smoothly in the path of the valve when it reaches this level )... Especially an old or misused one a Risk to human health due to its chemical properties release from! That they are secure before each trip on the farm a brief inspection ATTACHMENT ERTL anhydrous anhydrous ammonia uses in farming can exposed! Ammonia rapidly combine at Iowa state University valve, bleeder valve, valve! Down so ammonia does not run down your sleeve when you raise your arms collide with another vehicle if wagon! American National standards Institute, Inc., safety requirements for the storage, distribution, and is. Transporting or not using the hose in its storage position for transit into... Holly Miller ( right ) saw the explosion of fertilizer use first hand,... Fall after soils cool to 50 degrees F ( at 4-inch depth ) and the must! Nitrogen, containing 82 % nitrogen a lot of it because the operator 's manual repairs..., chemical-proof goggles when handling the product ) is an important fertilizer in North Dakota is... Figure 9 ) equipment or handling hoses discover any leakage or other defects your!

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