7.Bio Farming
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Item Compost(Tea Research institute, 1951) Haworth, F.Item Organic tea cultivation(Tea Research Institute:Thalawakele, 1999) Gaffar, N.M.A.Item Organic tea cultivation(Tea Research Institute:Thalawakele, 1999) Gaffar, N.M.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 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 Compost for coconut plantations(Coconut Research Institute:Lunuwila, 1993) Fernando, D.N.S.Item Organic manure for crop production(Natural Resources, Energy and Science Authority of Sri Lanka:Colombo, 1990) Tennakoon, A.Item Compost and disease(Research institute:Thalawakle, 1937) Gadd, C.H.Item Selected notes on the manuring of tea(1982) Eden, T.Item Biofertilizers and their application(Eastern University:Chenkalady, 1999) Bagyaraj, D.J.; Suvarna, C.V.