February 24, 2009

Use of urease-inhibiting amounts of calcium polysulfide, potassium polysulfide, calcium thiosulfate, magnesium thiosulfate, and blends thereof, in combination with urea-containing fertilizer to significantly reduce potential losses of nitrogen due to ammonia volatilization.

20

February 24, 2009

11/061,508

February 22, 2005

71/28   71/64.1

C05C   9/00   (20060101)  

71/11   71/12   71/13   71/14   71/15   71/16   71/17   71/18   71/19   71/20   71/21   71/22   71/23   71/24   71/25   71/26   71/27   71/28   71/29   71/30   71/64.1