TY - BOOK AU - Roger, Pierre A. TI - Biology and management of the floodwater ecosystem in ricefields SN - 9789712200687 U1 - 633.18917 PY - 1996/// CY - Phillipine PB - International Rice Research Institute KW - Rice - soils KW - Soil management KW - Floodplain ecology N1 - Includes bibliographical references and index N2 - This book describes components of ecosystem(flood-water, photosynthetic aquatic biomass,and fauna),their properties, and activities. Variations of the major physical and chemical properties of the flood-water during the crop cycle are summarized. The second part considers the agronomic management of the floodwater ecosystem ER -