C - Chemistry – Metallurgy – 05 – C
Patent
C - Chemistry, Metallurgy
05
C
71/15
C05C 13/00 (2006.01) C05C 9/00 (2006.01) C05G 3/08 (2006.01) C09K 17/00 (2006.01)
Patent
CA 1172869
NEW COMPOSITION OF MATTER AND METHOD OF USE FOR NITROGEN FERTILIZATION ABSTRACT A method is provided for reducing ammonia volatiliza- tion from ammoniated fertilizers and urea-containing fertilizers present on or at the soil surface after 24-48 hours following surface application. The fertilizer is applied in the presence of a water soluble compound that (a) has a saturated solution pH of about 5.0 to about 8.0 and (b) in a hydrolyzing system with the soil and the fertilizer, will form carbonates having a solubility above about 10 10 grams per liter. The amount of the water soluble compound is that which is sufficient to suppress the formation of hydroxyl ions that otherwise would be produced in the soil according to the reaction YCO3 + H20 ? Y(OH)2 with Y = calcium or magnesium.
392171
Meredith & Finlayson
Texas A. & M. University System (the)
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