Effect of phosphorus sources and levels with particular emphasis on selectively mined Eppawela rock phosphate on vegetable production

Wijewardena, J.D.H.2010-07-062010-07-061998Journal of the National Science Council of Sri Lanka, 26(2):p.93-100https://dl.nsf.gov.lk/handle/1/6412FertilizersBeanYieldPotatoesAgricultureEffect of phosphorus sources and levels with particular emphasis on selectively mined Eppawela rock phosphate on vegetable productionArticle