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Slow- or controlled-release fertilizer: A fertilizer containing a plant nutrient in a form which delays its availability for plant uptake and use after application, or which extends its availability to the plant significantly longer than a reference ‘rapidly available nutrient fertilizer’ such as ammonium nitrate or urea, ammonium phosphate ...
Nutrien is a Canadian fertilizer company based in Saskatoon, Saskatchewan. It is the largest producer of potash, third largest producer of nitrogen fertilizer in the world and generally the 2nd largest in fertilizers worldwide. [3] [4] It has over 2,000 retail locations across North America, South America, and Australia with more than 23,500 ...
Throughout the 1990s, the company continued to grow, serving markets worldwide. Its activities became increasingly complex and extensive. In 1998, the company's $2.8 billion asset base included nitrogen complexes in the U.S. and abroad; the second-largest petroleum refinery in the Midwest; phosphate mining operations; grain storage capacity of 145 million bushels; diverse feed manufacturing ...
Agrium Inc. was a major retail supplier of agricultural products and services in North America, South America and Australia and a wholesale producer and marketer of all three major agricultural nutrients and a supplier of specialty fertilizers in North America. In 2018, Agrium merged with PotashCorp to form Nutrien. [2]
Pages in category "Fertilizer companies of the United States" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes .
Nitrogen fertilizers are made from ammonia (NH 3) produced by the Haber–Bosch process. [28] In this energy-intensive process, natural gas (CH 4) usually supplies the hydrogen, and the nitrogen (N 2) is derived from the air. This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ammonium nitrate (NH 4 NO 3 ...
Nitrogen fertilizer being applied to growing corn in a contoured, no-tilled field in Iowa.. Nutrient management is the science and practice directed to link soil, crop, weather, and hydrologic factors with cultural, irrigation, and soil and water conservation practices to achieve optimal nutrient use efficiency, crop yields, crop quality, and economic returns, while reducing off-site transport ...
Nitrogen deficiency is a deficiency of nitrogen in plants. This can occur when organic matter with high carbon content, such as sawdust, is added to soil. [1] Soil organisms use any nitrogen available to break down carbon sources, making nitrogen unavailable to plants. [1] This is known as "robbing" the soil of nitrogen.
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