Legume Green Manures: Principles for Management Based on Recent Research

摘要

The report summarizes aspects of several experiments at the Centro de Pesquisa Agropecuaria do Cerrado (CPAC) at Planaltina, Brazil, where green manure legumes were evaluated as sources of nitrogen for succeeding nonlegume crops. The research focused on two important factors in the response of maize (Zea mays L.) to nitrogen from various legume green manures: the rate of nitrogen mineralization and the efficiency of nitrogen use by a succeeding nonlegume crop. Based on the findings of these studies, the report attempts to provide some of the information necessary for the practical management of legume green manures.