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Nitrogen

News

New project in the fertilizer business awarded by Yara

Maire Tecnimont S.p.A. announced that its subsidiary Tecnimont S.p.A. has been awarded by Yara International ASA (Yara) an EPC contract for a new urea granulation plant to be implemented in Sluiskil, The Netherlands.

News

Louisiana to get new $265 million ammonia plant

Louisiana Governor Bobby Jindal and board Chairman Arunas Laurinaitis of Lithuania-based Investimus Foris announced the company will make a $265 million capital investment to convert an idle biofuels refinery in Grant Parish into an ammonia manufacturing facility.

Nitrogen

Potassium deficiency in cotton

Once cotton begins to square and more so once bloom begins, nutrient demands tend to shift dramatically. This is particularly true for nitrogen and potassium.

News

Does the Illinois corn crop need rescuing?

The 2015 Illinois corn crop continues to develop on schedule, with 75% of the crop having reached silking by July 19. But the crop condition rating continues its steady downward trend, with the good + excellent percentage now at 55%, down from its high of 79% at the end of May. Virtually all of this decline is due to standing water, past or present.

Nitrogen

New choices for winning the nitrogen risk game

It is a well-known fact that rainfall has a lot do with nitrogen loss in Iowa fields. What was not clear before, was how rainfall could be used to determine if a certain field would be nitrogen (N) deficient. The recent influx of different predictive N tools has spurred renewed interest in using rainfall for assessing the risk of corn N stress or the likelihood of a yield response to N fertilizer.

News

How much N has been lost this year?

Rain. Rain. Rain. With excessive rain, chances are good most fields across Indiana have lost more N than in a typical year. But how much have they lost? Everything applied? Is all of the N fertilizer gone? Although it’s difficult to estimate, it’s very unlikely that the majority of the N applied has been lost.

News

Plant nutrient analyses identifies yield-robbing shortages

In North America, there is a perception among many urban dwellers, and even many in agricultural communities, that observance of nutrient deficiencies in leading field crops like corn, sorghum, soybean, wheat, cotton, and rice is relatively rare. Yet it is important to recognize, by the time plant nutrient deficiency symptoms are visually observed, significant crop yield has been lost and soil productivity has been compromised.

Corn

When is it too late to fertilize corn with N?

Heavy rainfall over the past several weeks has left many producers across the state with few opportunities to side dress their corn with nitrogen. To make matters worse, excessive water means that significant soil nitrogen has likely been lost through denitrification and/or leaching.

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