... 田间检验 fieldinspection ; field i ection 田间劳动 Students Working in the Fields 田间沙地 sandbreak ...
基于1个网页-相关网页
The effects of the sandbreak forest system in Yulin sandy area on the sandbreak, soil improvement and natural vegetation recovery were studied by investigating their configuring structure and species.
通过对陕北榆林风沙区防风固沙林体系的配置结构、树种组成、防风固沙效益、改良土壤的作用以及对天然植被的影响等的调查、观测和分析,结果表明:其配置结构较为合理,生态效益较为显著。
应用推荐