“field water balance”的概念、定义、翻译、参考文献-科学参考

单词	field water balance
释义	field water balance 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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