论文部分内容阅读
为了研究大白菜氮肥最佳用量,为大白菜大面积生产提供科学施肥依据,研究人员开展了大白菜“2+X”氮肥总量控制田间试验。试验结果表明,优化施肥区亩产量为7 727 kg,比常规施肥区的6 838 kg多889 kg,优化施肥区亩产值为2 318.1元,比常规施肥区多266.7元,优化施肥区比常规施肥区少投入6元,优化施肥亩经济效益比常规施肥多277元,经济效益和社会效益十分显著。
In order to study the optimum amount of nitrogen fertilizer for Chinese cabbage, to provide scientific basis for large-scale production of Chinese cabbage, researchers conducted a field experiment on total nitrogen control of Chinese cabbage. The results showed that the optimized yield was 7 727 kg per mu, 889 kg more than 6 838 kg in the conventional fertilization area and 2 318.1 yuan per mu in the optimized fertilization area, 266.7 yuan more than the conventional fertilization area. Compared with conventional fertilization, The district invested 6 yuan less, and the economic benefit of optimized fertilization was 277 yuan more than that of conventional fertilization. The economic and social benefits were remarkable.