Wijewardena, J.D.H.2020-09-022020-09-021994-1995Tropical Agriculturist, 150:p.27-34https://dl-doa.nsf.gov.lk/handle/1/2605Soil FertilityCropping sequencePhosphorus fertilizersPotatoUltisolVegetablesResponse of potato and vegetable crops grown sequentially to phosphorus application in an ultisolArticle