effect on yield increase 增产效应研究
In the yield, multi-spore isolation strains Cc-1 strains in Coprinus comatus and negative two kind of effect, but tissue isolation strains all are increase, the increasing rate are higher 10%.
与保藏菌株相比较，鸡腿蘑多孢分离菌株在产量上有正负两种效应，而组织分离菌株增产均在10%以上。
The results show that the technique has significant effect on yield improvement, and the mechanism is the increase of secondary roots and the change of yield component.
试验结果表明，春小麦机械覆膜穴播增产效果达到极显著水平，其增产机理主要为小麦次生根数的增加和产量结构的变化。
The connotation of disaster mitigation effect in disaster economics, in a broader sense, refers to that investment in disaster mitigation will not only increase in value, but also yield new value.
对灾害经济学减灾效益的内涵可进行拓展，即地质灾害的减灾投入不但可以产生升值作用，也可以产生出新的价值。
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