TY - BOOK AU - Mulongoy,K. AU - Merckx,R. ED - Katholieke Universiteit te Leuven (1970- ). ED - International Institute of Tropical Agriculture. TI - Soil organic matter dynamics and sustainability of tropical agriculture: proceedings of an international symposium organized by the Laboratory of Soil Fertility and Soil Biology, Katholieke Universiteit Leuven (K.U. Leuven) and the International Institute of Tropical Agriculture (IITA) and held in Leuven, Belgium, 4-6 November 1991 SN - 0471939153 U1 - 631.417 20 PY - 1993/// CY - Chichester, New York PB - Wiley KW - Soils KW - Tropics KW - Soil science KW - Agriculture N1 - CONTENTS Introduction part 1: Characterization and quantification of soil organic matter biochemical methods to estimate soil microbial biomass soil microhabitats and the importance of fractionation method Effect of alley cropping and fallowing on some soil fertility parameters in southern Nigeria Part 2: Organic inputs and soil organic matter organic inputs, soil organic matter and functional soil organic compartments in low - activity clay soils in tropical zones The potential od siam weed as a source of organic matter for soils in the humid tropics The partitioning of root-derived carbon within the rhizospher of arable crops evolution of organic matter in some soils under shifting cultivation practices in Burkina faso Part 3: Nutrient cyclinic and processes regulating the transformation of soil organic matter In situ estimation of soil nitrogen mineralization mineralization of nitrogen in woody legume prunings and its recovery by maize carbon and nitrogen mineralization of cattle manures, subjected to different treatments, in Zimbabwe and swedish soils Part 4: Soil organic matter and soil fertility changes in soil chemical properties and crop performance with continuous cropping on an entisol in the humid tropics reduction of potassium fixation by organic matter in vermiculitic soils the efficient use of much layers to reduce runoff and soil loss e.tc ER -