New University Data Shows Improved Nitrogen Efficiency with AGROTAIN

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Research from California and Arizona Covers Wide Range of Crops and Demonstrates Substantial Returns

New and ongoing research conducted over the past few growing seasons, in California and Arizona, shows the effectiveness of AGROTAIN technology in controlling nitrogen (N) loss for higher yields.

A sampling of the results show that in a broccoli trial conducted in Lompoc, Cali., using UAN 32, nitrogen rates were reduced by 20 percent over the Grower Standard Practice (GSP). Production dropped dramatically. When AGROTAIN PLUS was added to the UAN 32 at the reduced N rate, production increased significantly over the GSP. Yield for the GSP was 507 cartons, at 80 percent GSP it was 296 cartons, but with the addition of the AGROTAIN PLUS, the yield jumped to 608 cartons. Returns per acre, including cartons and florets harvested, were $5,400 for AGROTAIN PLUS and $4,842 for the GSP; a net increase of over $550.

In Merced, Cali., the tomato study demonstrated that adding AGROTAIN PLUS to the UAN delivered 31 percent more pounds of fruit per acre over the GSP. Treatments were shanked in, sidress, and the field was furrow irrigated. The GSP yielded 40,600 lbs/acre while the addition of the AGROTAIN PLUS increased the yield to 53,300 lbs/acre.

“We are very excited about the new research coming out of California and Arizona,” said John Hassell, AGROTAIN International’s Manager of Research and Agronomic Development. “We have just completed the second year of a three year trial, for many of the crops, and are seeing fantastic results. With the increasing price of fertilizer and increasing commodity prices, it is more important than ever for growers to get the most out of their nitrogen investment.”

Crops included in the research trials are: almonds, broccoli, carrots, cauliflower, corn, cotton, lettuce, rice, tomatoes, and wheat. Visit to view the full research report.

About AGROTAIN International

AGROTAIN International is the world’s largest producer of StabilizedNitrogen™ fertilizers. Marketed under the brands AGROTAIN®, AGROTAIN PLUS and SUPERU®, StabilizedNitrogen fertilizer products contain proprietary nitrogen stabilizer technology. This award-winning technology has a proven track record, backed by worldwide research studies. AGROTAIN’s StabilizedNitrogen products reduce nitrogen losses from urea and UAN, and extend plant-available nitrogen for healthier plants and higher yields.

AGROTAIN’s products are currently licensed and sold through agriculture, turf and ornamental, and industrial partners in more than 74 countries. AGROTAIN International is headquartered in St. Louis, Mo.

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Jeff Whetstine
AGROTAIN International
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Neil Neumeyer
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