Growing azolla has less effect on increasing the grain yield in present cropping season, however, azolla incorporated as manure the rice grain yield of present season increased by 5%.
养萍对当季水稻产量增加效果不大，而养萍后翻压对当季水稻产量可提高近5%。
The first abbreviation reaction is the key step that effect on the yield of diniconazole. It has important value in increasing yield by improving technique.
特谱唑第一步缩合反应是影响特谱唑收率的关键步骤，它的改进对特谱唑总收率的提高具有重要意义。
The mechanism of PDP increasing crop yield is analyzed. Some examples about effect of PDP in different crops are given.
对磷酸二氢钾在农业上的增产机理进行分析，实例说明磷酸二氢钾在不同粮食和经济作物上的增产效果。
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