Spike degeneration and sterile grain rate can be decreased by increasing Zn and Si fertilizer, and the number of grains per ear and grain yield can be increased.

增施锌硅肥对小麦有显著的减少小穗退化、降低空秕率作用，达到增加每穗粒数、提高产量的目的。

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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。

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Increasing inoculum quantity could obviously increase growth rate, saponin content and yield of cell cultures.

接种量的增加能明显地提高生长速率、皂甙产率以及细胞培养物产率。

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That is one of the ways in which increasing a tax rate can reduce the total tax yield, thereby defeating the whole supposed object of the tax-raising exercise.

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