Salgado, M.L.M.2014-06-032014-06-031939Tropical Agriculturist, 92(4):p.220-221https://dl-cri.nsf.gov.lk//handle/1/2813FertilizersAmmonium sulphatePhosphatesAmmonia lossChemical and agricultural notes from the Coconut Research Scheme,Ceylon III. Loss of Ammonia from fertilizer mixtures containingsulphate of ammonia and mineral phosphates