Kuruppuarachchi, D.S.P.2020-09-022020-09-021993Tropical Agriculturist, 149:p.23-33https://dl-doa.nsf.gov.lk/handle/1/2671NATURAL RESOURCES AND ENVIRONMENTDrip irrigationOverhead irrigationPotatoEffect of N fertilizer and irrigation on yield of potato in north western regosol belt of Sri LankaArticle