| 不同肥料类型和处理对水稻氮肥农学利用率的影响 |
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| 引用本文： | 阮新民,施伏芝,罗志祥,苏泽胜,倪金龙.不同肥料类型和处理对水稻氮肥农学利用率的影响[J].安徽农学通报,2007,13(24):27-29. |
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| 作者姓名： | 阮新民 施伏芝 罗志祥 苏泽胜 倪金龙 |
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| 作者单位： | 安徽省农业科学院水稻研究所,安徽省水稻遗传育种重点实验室,安徽合肥,230031;安徽省农业科学院水稻研究所,安徽省水稻遗传育种重点实验室,安徽合肥,230031;安徽省农业科学院水稻研究所,安徽省水稻遗传育种重点实验室,安徽合肥,230031;安徽省农业科学院水稻研究所,安徽省水稻遗传育种重点实验室,安徽合肥,230031;安徽省农业科学院水稻研究所,安徽省水稻遗传育种重点实验室,安徽合肥,230031 |
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| 基金项目： | 科技部重大国际科技合作计划项目(2006DFA32990)，农业科技成果转化资金项目(2007GB2C300144)，安徽省科技厅国际科技合作项目(05088013) |
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| 摘 要： | 选用当前我省大面积种植的5个水稻品种,在7种不同施肥处理下进行裂区试验,探讨不同施肥类型与水稻产量和农学利用率的关系.结果表明:尿素+控失剂+饼肥配合施肥处理可以显著提高水稻的产量,平均较对照增产51.7%;该施肥处理还可以明显提高水稻的氮肥农学利用率,较尿素+饼肥施肥处理平均增加了20.1%;品种K优52和协优52在不同施肥处理下的平均产量和平均氮肥农学利用率均高于其它试验品种,分别为6.06 kg/667m2、10.3kg稻谷/kg N与6.10 kg/667m2、11.8kg稻谷/kg N.因此,控失剂的配合辅助施用可以提高水稻产量和农学利用率;K优52和协优52的平均氮素农学利用效率高于其它品种.
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| 关 键 词： | 水稻产量 农学利用率 施肥处理 控失剂 |
| 文章编号： | 1007-7731（2007）24-27-03 |
| 收稿时间： | 2007-12-17 |
| 修稿时间： | 2007年12月17 |
Effects of Different Types and Treatments of Fertilizer on Agronomic N Utilized Coefficiency of Various Rice Cultivars |
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| Ruan Xinmin,Shi Fuzhi,Luo Zhixiang,Su Zesheng,Ni Jinlong.Effects of Different Types and Treatments of Fertilizer on Agronomic N Utilized Coefficiency of Various Rice Cultivars[J].Auhui Agricultural Science Bulletin,2007,13(24):27-29. |
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| Authors: | Ruan Xinmin Shi Fuzhi Luo Zhixiang Su Zesheng Ni Jinlong |
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| Abstract: | Using five indica hybrid rice cultivars as material,the relationship between fertilizer types and rice grain yield and agronomic N efficiency was studied under seven treatments of fertilization.The results showed that the grain yields increased significantly under urea-retarder-cake treatment,and the average increased production rate was 51.7%.Also,it was found that this treatment improved agronomic N efficiency with an increase of 20.1 percent over urea-cake.Both the average grain yield and the average agronomic N efficiency of K 52 and Xieyou 52,6.06 kg/667m2,10.3kg grain/kg N and 6.10 kg/667m2,11.8kg grain/kg N respectively,were higher than other cultivars.Therefore,adding retarder to fertilizer may improve rice grain yield and agronomic N efficiency.Here,these results also demonstrated that the average nitrogen agronomic utilization efficiency of K 52 and Xieyou 52 was higher than other cultivars. |
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| Keywords: | Rice Grain Yield Agronomic N Efficiency Fertilization Retarder |
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