التفاصيل البيبلوغرافية
| العنوان: |
Research on Index System for Luffa (Luffa acutangula Roxb.) Fertilization in Foshan. |
| Alternate Title: |
佛山地区丝瓜施肥指标体系硏 究. (Chinese) |
| المؤلفون: |
Qiang LI, Puxing LIANG, Baige ZHANG, Biao LIANG, Xiangni LI |
| المصدر: |
Agricultural Science & Technology; Nov2015, Vol. 16 Issue 11, p2492-2494, 3p |
| مصطلحات موضوعية: |
LUFFA, FERTILIZERS, AGRICULTURAL chemicals, SCIENCE, TECHNOLOGY |
| Abstract (English): |
On basis of "3414" experiment, regression analysis was conducted on relative yield and fertilizer quantity, and a regression equation was established, as follows: Y=1 699.09+52.89N-3.82P+59.27K-1.17N²-0.11P²+0.06K2+2.02NP-2.16NK-1.97PK (R²= 0.98). The results of regression analysis showed. >.0.05, indicating that fertilizer quantity is of significant regression relationship with yield. It was analyzed that yield-increasing range of N fertilizer was directly proportional to fertilizer quantity, and negative yield even occurs if excessive P fertilizer is applied. In general, fertilizer effects from high to low were N fertilizermK fertilizermP fertilizer. Besides, based on equation analysis, it was proposed the optimal fertilizer quantities included N fertilizer (N) of 270 kg, P fertilizer (P2O5) of 165 kg and K fertilizer (K2O) of 225 kg for achieving ideal yield of 2 500 kg/hm² of luffa in Foshan. [ABSTRACT FROM AUTHOR] |
| Abstract (Chinese): |
佛山市丝瓜主产区系统开展 "3414"试验的基础上，深人分析了丝瓜相对产 量与施肥量之间的回归关系，并建立了三元二 次回归方程 Y=1 699.09+52.89N-3.82P+59.27K -1.17N² -0.11P² +0.06K² +2.02NP - 2.16NK-1.97PK (R²=0.98)。通过方差分析，得 出 F>F0.05， 表明丝瓜施肥量与产量之间存在 较为显著的回归关系。同时该研究还详细探 讨了丝瓜生产中肥料增产效应和经济收益之 间的关系，结果表明氮肥的产量和经济效益都 在一定范围内与施肥量成正比；而继续增加磷 肥 量时，丝瓜的产量 增... ，表 为 产量的 > .... > 肥。该研究在总结两年试验结果的基础上，综 合提出佛山地区丝瓜 37 500 kg/hm² 理论产 量的最佳施肥量分别为氮肥 （N) 270kg、磷肥 (P2O5) 165 kg 和钾肥 （K2O)225 kg。. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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