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題 名 | 各種化學氮肥對小麥之效應=Effect of Various Nitrogenous Fertilizers on Wheat |
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作 者 | 林銅鐘; | 書刊名 | 中華農學會報 |
卷 期 | 45 民53.03 |
頁 次 | 頁53-58 |
關鍵詞 | 化學氮肥; 小麥; |
語 文 | 中文(Chinese) |
中文摘要 | (一)本試驗目的,在證實各種氮肥施用適當時,在短期內對小麥之效應並無不同,藉使政府可隨供應之方便而選擇配給之氮肥種類。 (二)參試之氮肥,在1961/1962年度之兩地試驗中有硫酸銨、鈣化硝酸銨、尿素、氮磷化成以及磷酸銨;1962/1963年度之兩地試驗中,再加氯化銨,而以不施氮肥為對照。 (三)麥粒收量,經各別以及綜合分析結果,氮肥之效應均為顯著,而各種氮肥間之差異則均不顯著。 |
英文摘要 | 1. The purpose of this experiment was to prove the theory that the efficiency of various nitrogenous fertilizers were the same in a short period for upland crops if they were applied properly, so that the government can choose any kind of fertilizers for distribution according to its convenience. 2. Experiments were conducted in 1961/62 and 1962/63 crops. The types of nitrogenous fertilizers used for comparison in the 1961/62 crop were ammonium sulphate, urea, calcium ammonium nitrate, nitrophosphate and ammonium phosphate. In the 1962/63 crop, ammonium chloride was also included in the comparison. Non-nitrogen plots were usesd as check in each experiment. The rates of nutrients adopted were 60, 75 and 60 kg/ha of N, P2O5 and K2O. 3. The analysis of the grain yields regardless of whether the individual experiments were treated separately or combined together, indicated that all nitrogenous fertilizers caused significant increase in the yields, but the differences among the five kinds of nitrogenous fertilizer were not significant. |
本系統中英文摘要資訊取自各篇刊載內容。