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pasture water deficit
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pasture water deficit
Encyclopedia
农学
牧草水分亏缺
释
pasture water deficit
牧草水分亏缺
草场在减少灌溉条件下时,在长期无雨和地下水补给不足的情况下,土壤有效水分的供给不能满足牧草正常生长发育的水分消耗,即牧草根系吸水速度低于牧草叶面腾发速度,造成牧草体内水分不足而妨碍正常生理活动,并导致牧草受旱的现象。
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