报酬渐减 meaning in English

diminishing return

Eng . ) 1 . know the fertilizers ( the appearance , properties , physical and chemical nature which includes the organic and inorganic fertilizers ) ; 2 . determining the quality ( three major elements of the fertilizers ) and quantity ( the content of the moisture , nitrogen , phosphorus , and potassium ) of chemical fertilizer ; 3 . the fertilizer composition expresses and calculation of the amount of application ; 4 . it is cultivated in a pot or nutrient solution to test fertilizer effects ; 5 . observe plant body : besides observing one ' s own test cultivated in a pot , and another diagnose the picture is for comparing ; 6 . making of the compost
中) 1 .认识肥料(包括有机、无机肥料的外观、性状、理化性质) ； 2 .化学肥料的定性(肥料的三要素)及定量(水分、氮、磷、钾的含量)检定； 3 .肥料成分表示方法及肥料施用量的计算； 4 .盆栽试验或水耕试验(印证报酬渐减率、麦氏理论或肥料元素缺乏徵状，并进行农艺性状调查) ； 5 .植体观察：除了观察自己的盆栽试验以外，另备有诊断图片以供比较； 6 .有机堆肥的制作。