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灌溉草地水肥耦合
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灌溉草地水肥耦合
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灌溉草地施肥
释
water and fertilizer coupling for irrigated grassland
灌溉草地水肥耦合
根据不同水分条件,提倡灌溉与施肥在时间、数量和方式上合理配合,促进作物根系深扎,扩大根系在土壤中的吸水范围,多利用土壤深层储水,并提高作物的蒸腾和光合强度,减少土壤的无效蒸发,以提高降雨和灌溉水的利用效率,达到以水促肥,以肥调水,增加作物产量和改善品质的目的。
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