期刊文献+
共找到1篇文章
< 1 >
每页显示 20 50 100
A Study on the Effects of Insect Pests and Diseases on Intensively Managed Plantations
1
作者 YU NmglouWorld Bank Loan Project Management Center. State Forestry Administration. Beijing 100714. China 《Chinese Forestry Science and Technology》 2002年第3期80-84,共5页
Basedon the results of monitoring the environment of China National Afforestation Project (NAP) and the investigation on insect pests and diseases in 1.2 million ha of plantations, the author elaborates the areas, spe... Basedon the results of monitoring the environment of China National Afforestation Project (NAP) and the investigation on insect pests and diseases in 1.2 million ha of plantations, the author elaborates the areas, species and causes of insect pests and diseases occurring in the project's areas and provides fundamental theory for guiding environmental protection and plantation establishment in a sound way. Since the project's activities strictly follovved the guideline of environmental protection in past... 展开更多
关键词 insect pests and diseases intensively managed plantations
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部