| 氮肥施用量对生菜产量和经济效益的影响 |
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| 引用本文： | 陈雄鹰,严潜,周升明. 氮肥施用量对生菜产量和经济效益的影响[J]. 湖南农业科学, 2009, 0(3) |
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| 作者姓名： | 陈雄鹰 严潜 周升明 |
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| 作者单位： | 长沙市土壤肥料工作站,湖南,长沙,410013 |
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| 基金项目： | 湖南省专项资金资助项目 |
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| 摘 要： | 在其它肥料和管理处理相同下,采用田间试验研究不同化学氮肥用量对长沙市区生菜产量和经济效益的影响.结果表明:该地区生菜最高理论产量3175 kg/667 m2,相应施氮量7.24 kg/667 m2;5个处理中生菜产量和净收入均以施氮量4 kg/667 m2处理最高,施氮量16 kg/667 m2处理最低.
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| 关 键 词： | 氮肥施用量 生菜 产量 经济效益 |
Effect of Nitrogen Fertilizer Rates on Yield and Economic Benefits of Lettuce |
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| CHEN Xiong-ying,YAN Qian,ZHOU Sheng-ming. Effect of Nitrogen Fertilizer Rates on Yield and Economic Benefits of Lettuce[J]. Hunan Agricultural Sciences, 2009, 0(3) |
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| Authors: | CHEN Xiong-ying YAN Qian ZHOU Sheng-ming |
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| Affiliation: | Changsha Workstation of Soil and Fertilizer;Changsha 410013;PRC |
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| Abstract: | Field experiment was carried out to study the effect of nitrogen fertilizer rates on the yield and economic benefits of lettuce in Changsha area with the same treated conditions of other fertilizer and management level.The results showed that:the highest calculated yield of lettuce in the region was 3 175 kg/667 m2 by using nitrogen fertilizer of 7.24 kg/667 m2 ;The yield and net income of lettuce in N4 were the highest compared with other 4 treatments,and those of N16 were the lowest. |
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| Keywords: | nitrogen fertilizer rates lettuce yield economic benefits |
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