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water logging
释义
water logging
Encyclopedia
农学
渍害
释
water logging
渍害
地表长期滞水或遭受地下水浸渍,还原作用强烈,土壤层理化性状恶化,水、热、气和养分失调,影响作物生长或危及作物存活而形成的灾害。其成因可以是降水过多排水不畅,也可以是地下水位(包括上层滞水)过高而导致农田零星积水和土壤水分过饱和。又称涝渍。
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coefficient of stiffness
coefficient of subgrade reaction
coefficient of surface tension
coefficient of thermal conductivity
coefficient of thermal expansion
coefficient of torsion
coefficient of total correlation
coefficient of trend
coefficient of true selective absorption
coefficient of utilization
coefficient of variability
coefficient of variation
coefficient of variation of grade
coefficient of viscosity
coefficient of volume expansion
coefficient of wear
coefficient problem
coefficient region
coefficient ring
coefficients of fractional grandparentage
coefficients of fractional parentage
coefficient space
coefficient theorem
coefficient varying system
coefficient-varying system
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