Browsing by Author "Vlassak, K."
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Item A new sequential extraction method for soil organic matter fractionation(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1991) Nandasena, K.A.; Vlassak, K.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.