Tropical Agricultural Research

Search Results

Now showing 1 - 3 of 3

Ammonium dynamics in a Leucaena green manure incorporated puddle rice soil
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1989) Zoysa, A.K.N.; Keerthisinghe, G.; Jayakody, A.N.; Upasena, S.H.
Changes of potassium reserves in an alfisol under irrigated paddy at different potassium and nitrogen levels
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1989) Liyanage, N.J.; Keerthisinghe, G.; Jayakody, A.N.; Thenabadu, M.W.
Evaluation of nitrogen leaching in a non-calcic brown soil under irrigated rice
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1989) Kendaragama, K.M.A.; Jayakody, A.N.