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gengxiaoda

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jwl2064(金币+1):欢迎常来地学版交流 2010-12-30 11:56:29
引用回帖:
Originally posted by xuefei1005 at 2010-12-29 23:02:01:
[quote]Originally posted by gengxiaoda at 2010-12-27 13:59:08:
对啊,说明白些。做秸秆什么?发酵?废弃物处理?固氮固碳?
主要是 做秸秆还田,秸秆对土壤肥力影响,微观一点的

[ Last edited  ...

微观一点啦?
秸秆还田,现在问题还是比较多的,比如对温室气体排放,改变土壤物理结构(容重、保水保肥力等即保墒)、水土流失等等。
做影响的话,正面影响很好,负面影响也不少,所以综合评价它,可能是比较关键的。
11楼2010-12-30 11:42:30
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