国外农林间作研究进展

A Review of Research in Agroforestry of the World

本文总结了近年国外农林间作在以下几个方面的研究进展：（１）多用途树种选择方面的重点是选择适合农林间作的豆科树种；（２）农作物产量研究方面主要是在３种间作形式下如何提高农作物产量；（３）农作物生长环境方面的研究重点是林木对农田小气候的影响；（４）间作对杂草的控制作用方面的研究是如何利用林木枝叶施入农田和林木遮荫对田间杂草进行控制；（５）农林间作模型等方面的研究。

Abstract The development of research in agroforestiy of abroad in resent years is summarized into five aspects,i.e.(1)cmphasis of multipurpoes tree species selection is placed on legumes suitable for intercropping with agricultural crops;(2)how to increase agricultural production under the three intercropping patterns;(3)the environmental study of agricultural crops is emphasised on the effect of trees on microclimate; (4)how to control weeds through the Shelter of trees;(5)the research in the patterns of agroforestry systems.