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Urea Granule
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N-P-K FERTILIZERS
www.canr.msu.eduUrea is the most popular source of dry N fertilizer, accounting for 79% of the total dry N used. Ammonium sulfate has risen in ... increasing the granule size. Large granules contact less soil per unit of P than small granules. Thus, initial P fixation is lower, and availability is
Urea Fertilizer - Cornell University
nmsp.cals.cornell.eduUrea Fertilizer Agronomy Fact Sheet Series Field Crops Extension 1 College of Agriculture and Life Sciences Urea (CO(NH 2) 2 ) is the most commonly used nitrogen (N) fertilizer. ... granule will increase. Once the pH exceeds 7.5, volatilization losses increase drastically. ...