What UAN 28?

What UAN 28?

UAN is a liquid fertilizer containing three forms of nitrogen: urea, ammonium-N and nitrate-N. It is a valuable fertilizer source for the production of grain and other grass crops. UAN-28 Plus S also contains sulfur for plant amino acid synthesis where sulfur soil fertility is limited.

What is UAN fertilizer?

Urea Ammonium Nitrate (UAN) solution, produced by combining urea, nitric acid, and ammonia, is a liquid fertilizer product with a nitrogen content that typically ranges from 28 percent to 32 percent. UAN can be applied more uniformly than non-liquid forms of fertilizer.

What does 32 UAN weigh?

11.06 pounds per gallon
Thirty-two percent UAN (32-0-0) weighs 11.06 pounds per gallon and salts out (solids separate from the liquid) at 32°F.

How is liquid 28 made?

A heated solution containing dissolved urea is mixed with a heated solution of ammonium nitrate to make a clear liquid fertilizer. Half of the total N comes from the urea solution and half from the ammonium nitrate solution.

What is 28 fertilizer made of?

UAN is a liquid fertilizer containing three forms of nitrogen: urea, ammonium-N and nitrate-N.

How do you use UAN fertilizer?

UAN solutions are commonly injected into the soil beneath the surface, sprayed onto the soil surface, dribbled as a band onto the surface, added to irrigation water, or sprayed onto plant leaves as a source of foliar nutrition.

What does 28 UAN weigh?

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.

Is UAN hazardous?

May cause fire or explosion if allowed to dry. Explosion Hazard: May be explosive in contact with flammable or organic substances and confinement during fire.

Does UAN need rain?

A rainfall of at least 0.25 to 0.50 inch within approximately two days after application will eliminate volatile loss concern. UAN is half ammonium nitrate and half urea, therefore volatile loss potential from UAN is half of that with urea.

Is UAN better than urea?

Urea and UAN were equally effective when applied to the soil. Growers should select the nitrogen product than most suits their farming system in terms of logistics and cost. Fertiliser inputs represent a significant proportion of total variable costs in grain production.

How is Uan made?

The UREA/AMMONIUM NITRATE (UAN) solution is created by dissolution of the amide and nitrate salt in water. It may have a slight ammonia odor. Approximately 35% UREA blended with 45% AMMONIUM NITRATE makes a fertilizer solution that is 32% nitrogen by weight.

What is the price of UAN?

In March of 2020, the cost was $0.30/pound of nitrogen for anhydrous ammonia and $0.42/pound of nitrogen for urea and 28% UAN. Fast forward to March 2021, we are at $0.42/pound of nitrogen with anhydrous ammonia, $0.55/pound of nitrogen with 28% urea, and $0.61/pound of nitrogen with 28% UAN.

Is nitrogen 28 flammable?

Flash Point: Non-flammable.