The calculation can be relatively easy if you remember that 28% UAN has 2.9 pounds N per gallon and 32% has 3.5 pounds N per gallon. How did we come up with these amounts? UAN28 weighs 10.6 pounds per gallon, so 10.6 pounds X 0.28 = 2.9 pounds.Mar 21, 2016
32% N weighs 11.1 lbs/gallon and contains 3.6 lbs of nitrogen per gallon.
A US gallon weighs 8.34lbs. So 28 US gallons weighs 233.52lbs. Take your pick.
On a price per pound of nitrogen basis, the average urea price was at $0.55/lb. N, anhydrous $0.42/lb. N, UAN28 $0.61/lb. N and UAN32 $0.59/lb.
To calculate the pounds of nitrogen in a bag of fertilizer, multiply the weight of the bag by the percent nitrogen (this is the first number in the N-P-K designation on the front of the bag). This will tell you the pounds of nitrogen in the bag.
“Apply 50 to 60 pounds per acre of nitrogen on your best grass stands and 30 to 40 pounds per acre on the rest,” he recommends. Thomas suggests a similar amount of nitrogen be applied during August to boost plant carbohydrate levels, which should result in higher yields the following spring.
Weight | ||
---|---|---|
1 kilogram | 2.205 | 1.0 |
1 scf gas | 0.07245 | 0.03286 |
1 Nm3 gas | 2.757 | 1.2506 |
1 gallon liquid | 6.745 | 3.06 |
A gallon of sand weighs approximately 12.5 pounds (5.6 kg). This weight depends on how wet the sand is, the materials in the sand, and the size of the sand particles.
If the N-P-K rating is 10-6-4, for example, and the weight of the bag of fertilizer is 25 pounds, the fertilizer bag contains 2.5 pounds of nitrogen. The one unit of nitrogen in this case would be 1 pound.
Thirty-two percent UAN (32-0-0) weighs 11.06 pounds per gallon and salts out (solids separate from the liquid) at 32°F. Twenty-eight percent (28-0-0-5) contains 5 percent sulfur in addition to the nitrogen.
Nitrogen cost in 1 ton of 28% UAN = $225 ÷ 560 lbs N = 40 cents per lb N.
The nitrogen fertilizer’s average price was $1,308 per ton, which continues to be all-time high in the DTN data set. Mr. Quinn noted that, “UAN32 was 26% more expensive compared to last month with the average price at $660/ton, an all-time high.
The calculation can be relatively easy if you remember that 28% UAN has 2.9 pounds N per gallon and 32% has 3.5 pounds N per gallon.
One pound of nitrogen or mixed fertilizer is recommended per 1,000 square feet of lawn and your particular fertilizer contains 20% nitrogen. Refer to Table 1 to convert this to five pounds of fertilizer that should be applied per 1,000 square feet.
Corn plants use large quantities of nitrogen to grow and yield. Corn removes 1 pound of nitrogen for every bushel of grain produced, so a 250 bushel per acre yield goal requires 250 pounds of nitrogen available to be used by your growing corn plants.
Although P, K and lime can be added anytime, nitrogen fertilizer should be applied when pastures or hayfields will have the best opportunity to have a yield response. Usually a majority of the nitrogen applied as a part of commercial fertilizer is gone in 60 days.
Tall cool-season grasses—April: 80 to 120 pounds N per acre; late spring: 40 to 50 pounds N per acre; and early to mid-August: 60 to 80 pounds N per acre.
Calculate the pounds of fertilizer per acre you must use to apply 50 pounds of nitrogen per acre (N/A). To do this, divide the amount of the nutrient wanted by the proportion of that nutrient in the fertilizer used.
Weight | Gas | |
---|---|---|
_{pounds} (lb) | _{cubic} _{feet} (scf) | |
1 pound | 1.0 | 13.803 |
1 kilogram | 2.205 | 30.42 |
1 scf gas | 0.07245 | 1.0 |
The UREA/AMMONIUM NITRATE (UAN) solution is created by dissolution of the amide and nitrate salt in water. … Approximately 35% UREA blended with 45% AMMONIUM NITRATE makes a fertilizer solution that is 32% nitrogen by weight.
So equal volumes of wet and dry sand would not weigh the same; the wet sand would weigh more because it has more mass, the mass of the water in-between the sand and the mass of the sand itself. The dry sand has only the mass of the sand and the air between the grains of sand.
A pound of sand and a pound of water weigh exactly the same. If you’re talking about density, rather than weight, an individual grain of sand is almost always more dense than water. You can tell this because sand sinks in water.
There are 4 quarts in a gallon, so 9 pounds divided by 4 is 2.25 pounds of fertilizer liquid in 1 quart. Your product is 16 percent nitrogen by weight, so 16/100 = 0.16, and 0.16 x 2.25 is 0.36. This means that 1 quart of fertilizer supplies 0.36 pounds of nitrogen.
Urea contains 920 actual pounds of nitrogen per ton, and ammonium nitrate contains 680 actual pounds of nitrogen by ton (2,000 x 46% = 920 and 2,000 x 34% = 680). How much actual nitrogen is in a fertilizer with an analysis of 27-0-0?
PRODUCT INFORMATION: Kugler ATS is a neutral to slightly basic, clear liquid solu- tion, containing 12% nitrogen and 26% sulfur. Each gallon of Kugler ATS contains 1.32 lbs.
Thio-Sul weighs 11.1 pounds per gallon. Nitrogen and sulfur are important components of proteins.
N/gallon = 14.03 gallons of product per acre required to deliver 15 lbs. N per acre * 280.6 gallons of fertilizer required to fertilize entire field **How Much Was Applied** To determine how much Nitrogen was actually applied to a field, the calculations are similar.
These three numbers form what is called the fertilizer’s N-P-K ratio — the proportion of three plant nutrients in order: nitrogen (N), phosphorus (P) and potassium (K).
Strong demand and the high cost of raw materials have dramatically increased the price of fertilizer in 2021. … The price of two nitrogen-based fertilizers, anhydrous ammonia and urea, more than doubled over the same period. Much of the price increase has happened since the beginning of October.
Why Experts Say It’s Highly Unlikely. The supply chain constraints are continuing to plague agriculture, and as farmers work to make input decisions for the 2022 season, economists expect high input prices to persist through spring.
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