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| 地力和养分管理模式对水稻产量和氮肥利用率的影响 | |
| 引用本文： | 彭建伟,丁哲利,刘强,柴慧清,阎佩云,任可爱.地力和养分管理模式对水稻产量和氮肥利用率的影响[J].中国农学通报,2010,26(22):190-195. |
| 作者姓名： | 彭建伟 丁哲利 刘强 柴慧清 阎佩云 任可爱 |
| 作者单位： | 1. 湖南农业大学资源环境学院,湖南,长沙,410128 2. 湖南农业大学资源环境学院,湖南,长沙,410128;浙江大学环境与资源学院,浙江,杭州,310029 3. 湘阴县农业局,湖南,湘阴,410500 |
| 基金项目： | 农业部公益性行业科研专项基金，湖南省科技厅一般项目 |
| 摘 要： | 为促进水稻高效生产，降低肥料投入对环境的影响，采用田间小区试验，研究了中、低两种地力水平下三种养分管理模式对水稻产量和氮肥利用率的影响。结果表明，施用氮肥在水稻生产中增产效果显著，与对照相比，早稻施氮比不施氮增产23.00％~26.10%，晚稻增产36.66％~71.43%，并且在相同的氮素水平下，低肥力地块平均增产效果要好于中肥力地块；三种养分管理模式中，最佳养分管理模式能显著提高氮肥利用率，早稻生产氮肥利用效率分别比相同地力水平的农民习惯施肥处理提高10.00%和8.36%，晚稻生产分别提高19.60%和16.89%；在不同的地力水平下，充足的氮素供应能提高水稻的实粒数和有效穗数，对氮素向籽粒的转化也起着积极的促进作用。 |
| 关 键 词： | 植物气候生产力 植物气候生产力 气候变化 福州市 |
| 收稿时间： | 2010/6/24 0:00:00 |
| 修稿时间： | 8/9/2010 12:00:00 AM |
Effect of Soil Fertility Level and Nutrient Management Model on Rice Yield and Nitrogen Use Efficiency |
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| Peng Jianwei,Ding Zheli,Liu Qiang,Chai Huiqing,Yan Peiyun,Ren Keai.Effect of Soil Fertility Level and Nutrient Management Model on Rice Yield and Nitrogen Use Efficiency[J].Chinese Agricultural Science Bulletin,2010,26(22):190-195. | |
| Authors: | Peng Jianwei Ding Zheli Liu Qiang Chai Huiqing Yan Peiyun Ren Keai |
| Institution: | Peng Jianwei ,Ding Zheli ,Liu Qiang ,Chai Huiqing ,Yan Peiyun ,Ren Ke＇ai (1 College of Resources and Environment,Hunan Agricultural University,Changsha 410128;2 College of Resources and Environment,Zhejiang University,Hangzhou 310029;3 Bureau of agriculture of Xiangyin county,Hunan Xiangyin 410500) |
| Abstract: | In order to promote the paddy rice highly effective production and to reduce the influence to environment brought by fertilizer investment,the paper studied on the effect of different soil fertility levels and different nutrient management patterns on rice high-yield and resource high-efficiency utilizing by field experiment.The results showed that：using N fertilizer could significantly improve the rice yield.Compared with black treatment,the early rice increased by 23.00%-26.10% and the late rice increased by 36.66%-71.43%.Furthermore,in the same nitrogen level,low fertilizer land with the average yield increasing efficiency was better than middle fertilizer land.The best nutrient management model could highly increase nitrogen use efficiency on the three nutrient management mode,it was improved 10.00% and 8.36% than the peasants fertilize habits on early rice and that of 19.60% and 16.89% on late rice in the same soil fertility level.In different soil fertility levels,sufficient nitrogen could increase the number of filled grains and effective panicle for rice,got more nitrogen translating to grain. |
| Keywords: | different soil fertility level nutrient management model yield nitrogen use efficiency |
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