AN UNBIASED VIEW OF TSP FOR COMMERCIAL HORTICULTURE SRI LANKA

Apatite is acidulated with HCl into the stoichiometric level essential for producing dicalcium phosphate. The reaction product when mixed with ammonium sulphate enough to doubledecompose calcium chloride and dicalcium phosphate yields a nonhygroscopic product that contains Virtually all phosphorus within the h2o-soluble form.Rates are based on past