SOLVENT AND SOLVENT BULK COMPOSITIONS OF SOLID FERTILIZERS AND METHOD FOR PRODUCING THEM

摘要

1. A solid, granular, non-caking, granular fertilizer composition, essentially free of crystallized water, containing a certain amount of monopotassium phosphate (MKP) and a sub-equimolar amount of phosphoric acid (FC), said composition containing from about 35 to 41 wt. % phosphoric acid (FC), from 59 to 65 wt.% monopotassium phosphate (MKP) and from 0.1 to 0.6 wt.% water. ! 2. The solid, granular granular fertilizer composition according to claim 1, which at room temperature gives a clear aqueous solution at a concentration of up to 150 grams per liter (g / l) of solution in the presence of calcium or magnesium nitrate at a concentration of up to 150 g / l. ! 3. The solid, granular granular fertilizer composition according to claim 1, which at room temperature gives a clear aqueous solution at a concentration of up to 150 g / l, in the presence of calcium nitrate at a concentration of up to 150 g / l and magnesium nitrate at a concentration of up to 150 g / l . ! 4. The solid composition according to claim 1, containing water in a concentration of from 0.2 to 0.5 wt.%. ! 5. The solid composition according to claim 1, containing the following ranges of proportions: 58.5-60.5 wt.% P2O5 and 19.5-22.5 wt.% K2O. ! 6. The use of the solid composition according to claim 1 in the preparation of a transparent stable initial aqueous solution containing from 1 to 150 g / l of the said solid composition and, in addition to its nutrients, selected from the group consisting of calcium nitrate, calcium phosphate, magnesium nitrate and salts magnesium, iron, manganese, copper, zinc and molybdenum. ! 7. The use according to claim 6, characterized in that the said initial solution does not contain a chelating agent. ! 8. The use according to claim 6, characterized in that the said initial aqueous solution is a fertilizer or component in the preparation of