追施氮肥对夏播菜用油菜营养生长及菜用品质的影响 |
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引用本文: | 徐洪志,曾川,黄涌,伊淑丽,程绪生.追施氮肥对夏播菜用油菜营养生长及菜用品质的影响[J].安徽农业科学,2013,41(3):1069-1070. |
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作者姓名: | 徐洪志 曾川 黄涌 伊淑丽 程绪生 |
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作者单位: | 重庆三峡农业科学院,重庆,404155;重庆市万州区农委,重庆,404000 |
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基金项目: | 重庆市科技攻关计划项目(cstc2012gg-yyjs80012);重庆市科技攻关重点项目(cstc2012ggB80008);现代农业产业技术体系专项(CARS-13) |
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摘 要: | 目的]为了探讨夏季生产菜用油菜的可行性。方法]采用单因素随机区组设计试验方法,研究了追施氮肥对夏播菜用油菜营养生长、菜用品质的影响。结果]在重庆市万州区的低海拔地区夏季种植菜油两用品种德新油59,在底肥施用复合肥750 kg/hm2,5叶期和6叶期分2次共追施尿素225 kg/hm2时,鲜苔产量可达6 634.80 kg/hm2,粗蛋白含量269.01 g/kg,维生素C 488.02 mg/kg,粗纤维13.58%,水分91.45%。结论]夏播生产菜用油菜有一定的示范推广价值。
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关 键 词: | 菜用油莱 夏播 追施氮肥 营养生长 菜用品质 |
Effects of Topdressing N on Nutritional Growth and Vegetable Quality of Summer Sowing Vegetable Rape |
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Institution: | XU Hong-zhi et al(Chongqing Three Gorges Academy of Agricultural Sciences,Chongqing 404155) |
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Abstract: | Objective ] The research aimed to study the feasibility of vegetable rape production in summer. Method] The effects of topdress- ing N on nutritional growth and vegetable quality of summer sowing vegetable rape were studied by single factor randomized block design. Re- sult] Fresh sedge yield of the Dexinyou 59 of summer sowing vegetable rape in low atitude region of Wmlzhou, Chongqing was 6 634.80 kg/hm2, erud protein content was 269.01 g/kg, vitamin C content was 488.02 mg/kg, crud fiber content was 13.58%, and water content was 91.45% when compound fertilizer 750 kg/hm2 was applied as ground fertilizer and 225 kg/hm2 urea was applied in 5 and 6 lesves stage. Conclusion] vegetable rape had certain value of demonstration and extension in summer sowing vegetable rape. |
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Keywords: | Vegetable rape Summer sowing Topdressing N Nutritional growth Vegetable quality |
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