生理干旱指植物因水分生理方面的原因不能吸收土壤中水分而造成的干旱。例如，土壤溶液浓度过高、土壤温度过低和土壤中严重缺氧等，都能使植物根系吸水的正常生理过程遭到破坏而致缺水受害。
矿区土壤施肥和改良一定要配合灌溉，否则容易造成植物生理干旱。
Mining fertilizer and the improvement of basification should go with irrigation. Otherwise, it will easily lead to botanic physiological drought.
樟子松造林遇到的最大问题便是造林后易发生生理干旱，影响其造林成活率和保存率。
What the biggest problem for planting Pinus sylvestris var. mongolica Litv. is easy to happen physiological drought. It can influence the survival and preserving rate of afforestation.
阐述用生长恢复法、电导法诱导樱花最大抗寒性的测定结果，以及早春生理干旱对露地栽培樱花影响的研究。
The article describes the test result making use of" recover growth" and" conduct electricity" to get the greatest cold resistance of the flowering cherry.
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