论文部分内容阅读
农田防护林是防护林体系建设中的重要组成部分。经营农田防护林的目的在于通过林带的生物学作用和改变气流的物理作用,来改善自然环境,创造有利于农作物生长的土壤和水文等生态条件,保证农业高产稳产,并为人类提供多种效益。农田防护林的采伐更新不以获得木材为主要目...
Farmland shelterbelt is an important part of shelterbelts system construction. The objective of operating farmland shelterbelt is to improve the natural environment and create ecological conditions such as soil and hydrology conducive to crop growth through the biological role of shelterbelts and changing the physical effects of air currents so as to ensure high and stable agricultural production and provide various benefits to mankind. Logging of farmland shelter renewal does not take wood as main ...