国外混农林业系统中林木与农作物的相互关系研究进展

被引：24

作者：

袁玉欣

裴保华

王九龄

王颖

机构：

[1] 河北农业大学!保定

[2] 北京林业大学!北京

来源：

世界林业研究 | 1999年 / 06期

关键词：

混农林业; 农林间作; 相互作用;

D O I：

10.13348/j.cnki.sjlyyj.1999.06.003

中图分类号：

S753.536 [];

学科分类号：

摘要：

总结了近年国外混农林业系统中林木和农作物在地上和地下部分的相互作用关系的研究进展。其中林木根系分布与管理研究内容是通过对林木根系类型的筛选,选择与农作物根系矛盾较小的树种;水分关系研究中探讨了林木与农作物的水分矛盾;养分关系中主要说明林木枝叶对农作物的有利作用和它们对养分的竞争作用;他感作用研究指出某些树种的枝叶虽然有一定的毒性,但对农作物生长影响不大;地上部分的研究说明,林木对作物的遮荫作用是主要的,而作物对林木的影响是次要的。

引用

页码：13 / 17

页数：5

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