March 2008
Does Wet Weather Equal Lost Nitrogen?
by rax262 (via)
May 2004 has brought almost record breaking rainfall. This has led to questions about how much nitrogen was lost from the soil. More to the point, the real question being asked is, "How much extra fertilizer should I apply to keep from losing yield?" This question cannot be answered precisely, since many variables enter the picture, but we can at least start to make some educated guesses.
January 2007
Production de phosphates, acide phosphorique, fabrication engrais phosphatés. Groupe OCP (Office Chérifien des Phosphates), Maroc
by renegarde
Site du leader mondial du phosphate , acide phosphorique , et des engrais .
1
(3 marks)
