| 杂交稻准两优527以肥控蘖超高产栽培试验 |
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| 引用本文： | 杨桂兰,苏昌龙,杨黎,王毅.杂交稻准两优527以肥控蘖超高产栽培试验[J].贵州农业科学,2007,35(2):36-39. |
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| 作者姓名： | 杨桂兰 苏昌龙 杨黎 王毅 |
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| 作者单位： | 1. 黔东南州农业科学研究所,贵州,凯里,556000
2. 贵州省黄平县农业局农业技术推广站,贵州,凯里,556000 |
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| 基金项目： | 贵州省“十一五”科技攻关项目“贵州省水稻、玉米、油菜超级品种配套栽培技术研究”[黔科合NZ字(2005)3003-01] |
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| 摘 要： | 针对水稻超高产如何有效控制无效分蘖的难题,采取以肥(氮肥)控蘖代替排水晒田控蘖的措施,对杂交稻准两优527进行了试验。结果表明:在中上等肥力田重施底肥的基础上,12个处理中,处理5(667m2栽1.33万穴,穴栽2株带2蘖壮秧,施肥水平为:氮肥底肥占55%、分蘖肥占10%、穗肥占35%;钾肥底肥占40%、穗肥占60%)产量最高为823.3 kg/667m2。其次是处理3(穴栽3株带2蘖壮秧,施肥水平为:氮肥底肥占65%、穗肥占35%;钾肥底肥占40%、穗肥占60%),产量为805.7 kg/667m2。两者均可实现有效控蘖,产量达800 kg/667m2以上的超高产栽培水平。
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| 关 键 词： | 杂交稻 准两优527 超高产 控蘖 栽培试验 |
| 文章编号： | 1001-3601（2007）02-0062-0036-04 |
| 修稿时间： | 2006-12-28 |
The Technique of Controlling Ineffective Tillering by Adjusting Application Method of Nitrogen Fertilizer for Super-high Yield of Zhunliangyou 527 (Hybrid Rice Variety) |
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| YANG Guilan,SU Changlong,YANG Li,WANG Yi.The Technique of Controlling Ineffective Tillering by Adjusting Application Method of Nitrogen Fertilizer for Super-high Yield of Zhunliangyou 527 (Hybrid Rice Variety)[J].Guizhou Agricultural Sciences,2007,35(2):36-39. |
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| Authors: | YANG Guilan SU Changlong YANG Li WANG Yi |
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| Institution: | 1. Qiandongnan Agricultural and Scientific Institute, Kaili , Guizhou 556000; 2. Station for Popularizing Agricultural Technique, Huangping Agricultural Bureau, Kaili, Guizhou 556000, China |
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| Abstract: | The experiment was conducted to investigate effects of different nitrogen application method and transplant density on super-high yield of Zhunliangyou 527(hybrid rice variety).The results show that the yields of 823.3 kg/667m2 and 805.7 kg/667m2 can be gained under the urea application amount with 15.68 kg/667m2 of basic fertilizer,2.85 kg/667m2 of tiller fertilizer and 9.98 kg/667m2of spike fertilizer and 13.3 thousand hole/667m2 of density(2 plants with 2 strong tillers/hole) and the urea application amount with 18.5 kg/667m2 of basic fertilizer and 9.98 kg/667m2 of spike fertilizer and 13.3 thousand hole/667m2 of density(3 plants with 2 strong tillers/hole) respectively.Over 800 kg/667m2 of rice yield can be gained by the both application methods of nitrogen fertilizer and transplant densities by controlling the ineffective tillering. |
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| Keywords: | hybrid rice Zhunliangyou 527 super-high yield controlling tillering cultivation test |
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