average crop meaning in English

普通年成

( 4 ) in 2001 , the average daily et of cotton in the whole growth season is 1 . 75mm / d , the total et is 307 . 48mm , and the average crop coefficient ( kc ) is 0 . 39 under deficient irrigation . in 2002 , the average daily et of cotton in whole growth season is 1 . 94mm , the total et is 337 . 04mm , and the average crop coefficient ( kc ) is 0 . 43 under sufficient irrigation
( 4 ) 2001年胁迫供水情况下，在整个生育期棉花的蒸发蒸腾量为307 . 48mm ，平均日耗水强度为1 . 75mm ，作物系数平均值为0 . 39 ； 2002年充分供水情况下，在整个生育期内棉花的蒸发蒸腾量为337 . 04mm ，平均日耗水强度为1 . 94mm ，作物系数平均值为0 . 43 。