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农田水分平衡
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农田水分平衡
Encyclopedia
农学
农田水分平衡
释
field water balance
农田水分平衡
农田在一定时间和一定厚度土层内的水分收支差额。是对农田水分收入、支出和贮存各项的结算。反映了土壤水分状况,是确定排灌定额和时间以及研究减轻农田旱涝灾害与土壤改良技术途径的重要依据。又称农田水量差额。
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relative luminosity factor
relatively Abelian field
relatively Borel set
relatively boundary
relatively bounded space
relatively closed
relatively closed set
relatively compact
relatively compact set
relatively compact space
relatively compact subset
relatively complemented lattice
relatively conjugate complex
relatively conjugate ideal
relatively conjugate number
relatively consistent
relatively convergent
relatively convex
relatively cyclic field
relatively dense set
relatively free algebra
relatively free group
relatively general position
relatively independent plane coordinate system
relatively induced module
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