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 Selected notes on the manuring of tea(1982) Eden, T.Item Growth and nitrogen fixation in Azolla pinnata under field conditions(National Science Council:Colombo, 1982) Kulasooriya, S.A.; Hirimburegama, W.K.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 Effect of organic and chemical fertilizers on vegetable cultivation in upcountry intermediate zone(Department of Agriculture:Peradeniya, 1993) Wijewardena, J.D.H.Item Compost for coconut plantations(Coconut Research Institute:Lunuwila, 1993) Fernando, D.N.S.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 Biofertilizers and their application(Eastern University:Chenkalady, 1999) Bagyaraj, D.J.; Suvarna, C.V.