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| 高肥力土壤下氮素对水稻产量效应的影响 | |
| 引用本文： | 赵徳柱 王海龙 丁恒良 秦贵荣 陈兴位. 高肥力土壤下氮素对水稻产量效应的影响[J]. 中国农学通报, 2011, 27(27): 191-194 |
| 作者姓名： | 赵徳柱 王海龙 丁恒良 秦贵荣 陈兴位 |
| 作者单位： | 1. 云南省马龙县农业局土肥站,云南马龙,655100 2. 云南省马龙县马过河镇农科站,云南马龙,655102 3. 云南省农业科学院农业环境资源研究所,昆明,650205 |
| 基金项目： | 测土配方施肥项目"马龙县测土配方施肥政府补贴项目" |
| 摘 要： | 为了掌握不同施氮水平下氮素对水稻产量的贡献率，采用田间小区试验方法，对高肥力土壤条件下氮素对水稻产量的影响进行研究。结果表明，在高肥力土壤上水稻生物产量随着施氮量增加而增加，当施氮量小于105 kg/hm2时，水稻籽粒和秸秆产量同步增加；当施氮量大于105 kg/hm2时，秸秆产量呈快速增加，而籽粒产量呈下降趋势。随着施氮量的增加，每增加1 kg氮素投入所带来的作物生物产量和籽粒产量的增加量均呈下降趋势，但是籽粒下降幅度明显大于生物产量。 |
| 关 键 词： | 酿酒曲 柑橘 梨 复合发酵 影响 酿酒曲 柑橘 梨 复合发酵 影响 |
| 收稿时间： | 2011-03-14 |
| 修稿时间： | 2011-08-04 |
Effects of Nitrogen Application on Rice Yield in High Fertility Soil |
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| Zhao Dezhu,Wang Hailong,Ding Hengliang,Qin Guirong,Chen Xingwei. Effects of Nitrogen Application on Rice Yield in High Fertility Soil[J]. Chinese Agricultural Science Bulletin, 2011, 27(27): 191-194 | |
| Authors: | Zhao Dezhu Wang Hailong Ding Hengliang Qin Guirong Chen Xingwei |
| Affiliation: | Zhao Dezhu 1,Wang Hailong 2,Ding Hengliang 1,Qin Guirong 2,Chen Xingwei 3(1 Soil and Fertilizer Station of Agricultural Bureau,Malong Yunnan 655100,2 Agriculture Station of Maguohe Town,Malong Yunnan 655102,3 Institute of Agricultural Resources and Environment,Yunnan Academy of Agricultural Sciences,Kunming 650205) |
| Abstract: | Effects of nitrogen application on rice yield were studied in high fertility soil by using the field plot experiments at Nazhang Town,Malong County,Yunnan Province.The results indicated that the rice biomass production increased with nitrogen application rate in high fertility soil.When nitrogen application rate was less than 105 kg/hm 2,the rice grain and straw output increased synchronously.When nitrogen application rate was greater than 105 kg/hm 2,the straw increased rapidly in production,and grain yiel... |
| Keywords: | high fertility soil nitrogen application rice yield |
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