depressor effect 中文意思是什麼
depressor effect
解釋
壓制效應-
In order to know about the utilization condition of nitrogen in wheat and rice when fertilize the new long - effect urea that process by humic acid material being used as depressor, the paper study the influence and the best proportion in lime soil that fertilize the new long - effect urea no. 4 to wheat and rice, the result indicate that jointed period is the key period that gramineous crop release the nitrogen
摘要為了了解施用新型長效尿素時,小麥、穀子氮素的利用狀況,通過對冬小麥、春穀子的盆栽試驗,研究了在石灰性土壤中,以腐植酸類物質為抑制劑加工而成的長效尿素四號,對小麥、穀子的氮素利用狀況的影響以及最佳配比。
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