7.Bio Farming
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Item Compost manufacture and use on tea estates(Tea Research Institute:Talawakelle, 1935) Eden, T.Item Compost and disease(Research institute:Thalawakle, 1937) Gadd, C.H.Item Compost(Tea Research institute, 1951) Haworth, F.Item Use of domestic refuse and sewage sludge profitably in the manufacture of compost(Institution of Engineers:Colombo, 1974) Ranasinghe, U.Item Use of domestic refuse and sewage sludge profitably in the manufacture of compost(Institution of Engineers:Colombo, 1974) Ranasinghe, U.Item Deep placement:a method of nitrogen fertilizer application compatible with algal nitrogen fixation in wetland rice soils(1980) Roger, P.A.; Kulasooriya, S.A.; Tirol, A.C.; Craswell, E.T.Item Growth and nitrogen fixation in Azolla pinnata under field conditions(National Science Council:Colombo, 1982) Kulasooriya, S.A.; Hirimburegama, W.K.Item Selected notes on the manuring of tea(1982) Eden, T.Item Azolla as a biofertilizer for rice in Sri Lanka(Martiness Nijhoff and W. Junk Publishers:Leiden, 1984) Kulasooriya, S.A.; Hirimburegama, W.K.; Abeysekera, S.W.Item Nitrogen fixation in some rice soils in Sri Lanka(Oxford University Press, 1987) Granhall, U.; Kulasooriya, S.A.; Hirimburegama, W.K.; De Silva, R.S.Y.; Lindberg, T.Item Lysimetric studies on N-losses under different fertilizer management systems(National Agricultural Society of Sri Lanka:Peradeniya, 1988) Premaratne, K.P.; Gunasena, H.P.M.Item Biological nitrogen fixation and crop production(Department of Agriculture:Peradeniya, 1988) Thirukkumaran, P.; Mudannayake, C.Item Organic manure for crop production(Natural Resources, Energy and Science Authority of Sri Lanka:Colombo, 1990) Tennakoon, A.Item Constraints for the widespread use of Azolla in rice production(Kluwer Acad. Publishers, 1990) Kulasooriya, S.A.Item Compost for coconut plantations(Coconut Research Institute:Lunuwila, 1993) Fernando, D.N.S.Item Effect of organic and chemical fertilizers on vegetable cultivation in upcountry intermediate zone(Department of Agriculture:Peradeniya, 1993) Wijewardena, J.D.H.Item Survival and effect of Azorhizobium caulinodans on rice roots(1993) Van Holm, L.H.J.; Van Nieuwenhove , C.; Kumari, I.A.D.C.T.; Kulasooriya, S.A.; Vlassak, K.Item Cyanobacteria and Azolla as biofertilizer for rice(Oxford and IBH Publ.:New Delhi and Calcutta, 1996) Kulasooriya, S.A.Item Impact of biofertilizers on morpho-physiological attributes in pungam (Pongamia pinnata (L.) Pierre) seedlings(1998) Venkatesh, A.; Vanangamudi, M.; Vanangamudi, K.; Ravichandran, V.; Vinaya Rai, R.S.V.Item Organic tea cultivation(Tea Research Institute:Thalawakele, 1999) Gaffar, N.M.A.