Browsing by Author "Amarasiri, S.L."
Now showing 1 - 2 of 2
- Results Per Page
- Sort Options
Item Long-term use of potassium fertilizer for vegetable crops in the upcountry intermediate zone(NARESA:Colombo, 1997) Wijewardena, J.D.H.; Amarasiri, S.L.Item Some considerations in arriving at fertilizer recommendations for annual crops(Soil Science Soiety of Sri Lanka:Peradeniya, 1985-86) Amarasiri, S.L.