drainage ability meaning in English

排水能力

In order to let your tree peonies flourish and produce large and vivid flowers , you shall obey below instructions , 1 . choose appropriate place chinese tree peonies shall be planted in loose , fertile soil with good drainage ability
故选择地势高燥宽敞通风并有侧方遮阴以及土层深厚疏松肥沃排水良好之地，是栽培中国牡丹首选的最佳用地，而最忌选用生土粘土盐碱土以及涝洼之地。
During growing season , spray the plants with liquid of bordeaux mixture every 10 - 15 days , 2 or 3 times is enough . 3 . do not buy tree peonies with disease , do not plant tree peonies too close , soil must has good drainage ability ,
2生长季节化学防治：生长季节一旦发病可采用下列药剂进行喷雾防治： 1 %石灰等量式波尔多液， 70 %甲基托布津1000倍液， 65 %代森锌500倍液，或50 %氯硝胺1000倍液。