Both average milking rate and maximum milking rate were main yield-increasing mechanism of supplementing irrigation with catchment rainfall in dryland field.
籽粒平均灌浆速率和最大灌浆速率提高是旱田补灌作物增产的主要机制。
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。
To ascertain the root properties of hybrid rice and mechanism of increasing yield under different tillage system.
目的探明不同耕作方式下杂交水稻根系特性及增产的机制。
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