In south meghalaya , farmers maintain a variety of economically important plant species in arecanut agroforestry systems .
在南梅加拉亚邦摈榔复合农林生态系统内，农民种有多种具有重要经济价值的植物。
Time lag effect between poplar 's sap flow velocity and microclimate factors in agroforestry system in west liaoning province .
辽西农林复合系统中杨树液流速率与气象因子的时滞效应。
This web site provides information about scientific research introduction , sustainable farming systems , plant protection , plant breeding and improvement , agroforestry , etc.
本网站提供了研究介绍、可持续农业体系、作物保护、作物与改良、农林产业等相关信息。
The study , presented at the world congress of agroforestry in nairobi this week , uses satellite images to show that almost half of farmed land worldwide has significant tree cover , most of it previously unmapped .
From mankind ecology , vegetation construction , soil and water conservation , desertification control , eco-agriculture , and agroforestry , the meaning of eco-environment and the contents , main ways , of its construction are discussed so as to folly understand eco-environmental construction .
