Jayasekara, K.S.Tennakoon, D.T.B.Gunawardene, R.P.2014-06-032014-06-031978Paper presented at the Annual Sessions of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 1978. 34:p...https://dl-cri.nsf.gov.lk//handle/1/3102FertilizersCalcium phosphateFertilizer precipitation