Patent ID: 7828871

Claim:
Solid, freely flowing, fertilizer formulations comprising: I) a monobasic earth-alkali metal phosphate; II) an alkali metal phosphate (MALP) AH 2 PO 4 ; and III) phosphoric acid (PA) H 3 PO 4 , wherein said monobasic earth-alkali metal phosphate is selected from the group consisting of calcium phosphate Ca(H 2 PO 4 ) 2 , magnesium phosphate Mg(H 2 PO 4 ) 2 , and mixtures thereof; wherein A is selected from the group consisting of Na, K and NH 4 ; and wherein during the processing of said formulations, said MALP reacts with said PA to form an alkali metal double salt (AH 5 (PO 4 ) 2 ).