Eucalyptus plantations in southern China have expanded dramatically in the past 30 years.Success of these intensively ma......

Eucalyptus tree-Ageratina adenophora compound system is considered as a new invasion in Yunnan,southwest China in recent......

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本文通过对荣华二采区10...

通过两年地膜不同覆盖方式的研究发现；地膜覆盖栽培的增产机理主要是提前满足了马铃薯有关生育阶段对地积温的要求。地膜覆盖也改善......

１９９２－１９９３年在河南省内黄县纯麦套春棉田、种植玉米诱集带麦套春棉田和插花种植玉米麦套春棉田对棉铃早、红蜘蛛、棉蚜的生态效应进行了研究......