氮肥运筹对钵苗机插水稻性状及产量的影响
Effects of Nitrogen Application Regimes on the Character and Yield of Machine Transplanted Rice Seedling from Pot
徐启来 1秦龙 1杨松1
作者信息
- 1. 江苏省农垦农业发展股份有限公司,江苏南京 210019
- 折叠
摘要
[目的]研究不同氮肥运筹对钵苗机插水稻性状及产量的影响.[方法]以杂交籼稻 Ⅱ 优118和常规粳稻武运粳27为材料,研究不同基蘖肥和穗肥比例对水稻茎蘖动态、成穗率、产量及其构成因素的影响.[结果]基蘖肥:穗肥为7∶3的氮肥运筹方式有利于提高穗数,增加产量;Ⅱ 优118以基蘖肥178.5 kg/hm2、总用氮量255 kg/hm2的处理的产量最高;武运粳27以基蘖肥252.0 kg/hm2、总用氮量360 kg/hm2的处理的群体产量最高.[结论] 该研究为钵苗机插水稻的最佳氮肥运筹方式的推广提供理论基础.
Abstract
[Objective] To research the effects of nitrogen application regimes on the character and yield of machine transplanted rice seedling from pot.[Method] With Indica hybrid rice Ⅱ you 118 and conventional Japonica rice Wuyunjing 27 as the research materials,we researched the effects of basic tiller fertilizer-earing fertilizer ratio on the rice tiller dynamics,ear forming rate,yield and yield component factors.[Result]Nitrogen application regime of 7∶3 basic tiller fertilizer-earing fertilizer ratio was helpful to enhance the ear number,and increase the yield.Ⅱ you 118 had the highest yield at 178.5 kg/hm2 basic tiller fertilizer and 255 kg/hm2 total nitrogen amount;while Wuyunjing 27 had the highest yield at 252.0 kg/hm2 basic tiller fertilizer and 360 kg/hm2 total nitrogen amount.[Conclusion] This research provides theoretical basis for the extension of the optimal nitrogen application regime for machine transplanted rice seedling from pot.
关键词
氮肥运筹方式/Ⅱ优118/武运粳27/成穗率/产量Key words
Nitrogen application regime/Ⅱ you 118/Wuyunjing 27/Ear forming rate/Yield引用本文复制引用
出版年
2017
国家科技期刊平台
NSTL
维普
万方数据