Changes of potassium reserves in an alfisol under irrigated paddy at different potassium and nitrogen levels

Liyanage, N.J.Keerthisinghe, G.Jayakody, A.N.Thenabadu, M.W.2014-11-122014-11-121989Tropical Agricultural Research, 1:p.287-307https://dl.nsf.gov.lk/handle/1/11770AgricultureSoil scienceChanges of potassium reserves in an alfisol under irrigated paddy at different potassium and nitrogen levelsA