physiological drought

基本解释

It was predicted that the increase of epidermis to leaf thickness ratio might be responsible to the 'physiological drought' that accompanies the prolonged immersion duration.
白骨壤和木榄叶片都可能通过表皮厚度的相对增加对浸淹时间的延长而导致的“生理干旱”加剧产生响应。
51lunwen.net
The content of salt and alkali in the soil is very high, which is very harmful to resume the vegetation. It brings on the physiological drought and destroy the cells of the plant.
与其他生态脆弱区不同的是，其土壤中盐分的含量非常高，土壤碱性强，它不仅导致植物的生理干旱，还对植物细胞产生毒害作用，不良的植被恢复措施也加重其危害程度。
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.
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。