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《China Rice》 2018-03
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Application Effects of Different Compound Fertilizer on Super Hybrid Rice

GUO Xiayu;SU Zhuo;HUANG Sidi;LONG Jirui;Hunan Hybird Rice Research Center;Longhui County Agricultural Bureau;  
A field experiment was conducted to study the application effects of different compound fertilizer on super hybrid rice, using super hybrid rice combination Y Liangyou 2 as material. The results indicated that, compared with the control, the tiller number,chlorophyll content, amount of dry matter, number of productive panicles and grain number per panicle of the organic compound fertilizer treatment were increased, the grain yield was increased by 9.1%. The tiller number and dry matter accumulation of slow-release compound fertilizer treatment were slowly at the prophase of growth and development on super hybrid rice. However, with continuous supply of nutrients, the grain number per panicle and 1 000-grain weight were the highest in the text, and the grain yield was increased by 8.0% compared with the control. The tiller number of super hybrid rice was quickly and evenly, improved the dry matter accumulation by use silicon dissolving compound fertilizer. It has the largest population in tillering stage, but the population dropped rapidly after heading, and the grain yield was increased by 6.7% compared with the control eventually. The grain yield of microbial in-oculum fertilizer treatment was close to the control, but it has significant effect on the number of productive panicles and seed-setting rate.
【Fund】: 国家科技支撑计划(2012BAD04B10 2013BAD07B14);; 公益性行业(农业)科研专项(201303109-3);; 湖南省重大专项(2015NK1001);; 湖南省重点研发计划(S2016NCYFNY0457);; 国家自然科学基金(31301264);; 湖南农业科技创新资金(2017GC05);; 国家重点研发计划(2017YFD0301505)
【CateGory Index】: S511
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