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Item Effects of tree root competition on availability of soil and plant nutrients,soil water and light interception in hedgerow intercrops with different tree species in the mid-country intermediate zone(National Science Foundation of Sri Lanka, 2000-06) De costa, W.A.J.M.; Chandrapala, A.G.Item Productivity of Sesbania alley cropping system with sequentially cropped berseem and maize at different moisture regimes and fertilizers(University of Ruhuna. Kamburupitiya, 2002) Shukla, N.P.; Rekib, A.; Burman, D.Item Soil water dynamics in alley cropping systems in the dry zone of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Keerthisena, R.S.K.; Mapa, R.B.; Yapa, P.A.J.Item Competition between six hedgerow tree species and mung bean(vigna radiata(L)wilczek)in the mid-country intermediate zone(National Science Foundation:Colombo, 2000) De costa, W.A.J.M.; Chandrapala, A.G.Item Use of nitrogen fixing plants in dry zone agriculture(Soil Science Society of Sri Lanka:PEradeniya, 1989) Weerakoon, W.L.Item Effects of tree root competition on availability of soil and plant nutrients,soil water and light interception in hedgerow intercrops with different tree species in the mid-country intermediate zone(National Science Foundation:Colombo, 2000) De costa, W.A.J.M.; Chandrapala, A.G.Item Agroforestry and community forestry in Sri Lanka(Department of Forest:Battaramulla, 1991) Ranasinghe, D.M.S.H.K.Item Competition between six hedgerow tree species and mung bean(vigna radiata(L)wilczek)in the mid-country intermediate zone(National Science Foundation of Sri Lanka, 2000-06) De costa, W.A.J.M.; Chandrapala, A.G.