imperfectly drained 中文意思是什麼
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Denitrification, on the other hand, can be very serious with a combination of no tillage and imperfectly drained soils
硝態氮的淋失雖然在免耕制下稍高一些，但在夏季作物上，一般不是氮損失的主要途徑。 -
Nevertheless, use of soil incorporation for urea and anhydrous ammonia to reduce volatilization, the practice of delaying nitrogen fertilizer application in imperfectly drained soils to minimize denitrification and leaching, and patience in the case of immobilization will tend to resolve all these problems
但是，採用把尿素和液氨和土壤摻混施用以減少氨揮發，在排水不良的土壤上採取延遲施氮期的辦法以減少反硝化及淋失，以及對于氮固定問題採取耐心克制的態度，這些問題就都能得到解決。
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