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。
Experiments proved that crop yield and biomass reduced 8.7% and 22.8% by average as increasing of slope gradient and soil and water losses amount.
实验证明随坡度和水土流失量的增大,作物产量、生物量降低,平均降低幅度为8.7%和22.8%。
The tobacco yield, value of output, average price and rate of first-class tobacco leaves could be also increased by increasing the application ratio of serpentine-fused phosphate.
提高钙镁磷肥的施用比例,烤烟的产量、产值、均价、上等烟率等也相应提高。
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