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《Chinese Agricultural Science Bulletin》 2017-29
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Fertilizer Reduction and Efficiency Increase for Indica-japonica Hybrid Rice Under Different Formula Compound Fertilizers

Wang Zhong;Shen Jianguo;Lou Ling;Fang Wenying;Ma Weihong;Yang Yanmin;Li Liansong;General Station of Yuhang District of Hangzhou City For Administrative Agro-ecology and Plant Protection;Agricultural Technology Promotion Center of Yuhang District of Hangzhou City;Agricultural Service Center of Pingyao Town of Yuhang District of Hangzhou City;  
To investigate the effects of fertilizer reduction and efficiency increase of different formula fertilizerson indica-japonica hybrid rice‘Yongyou 12', under the condition of total chemical fertilizer decreased by10.2%, four formula fertilizers were used as materials, and conventional fertilization was used as CK. Theresults showed that: rice specific fertilizer(16-10-14) was the best practice with fertilizer cost reduced by16.90% and rice yield increased by 1.76%, so it was suitable for promotion and application in this area. Thenwas compound fertilizer(20-12-14), the effect of fertilizer reduction and efficiency increase was not obvious.Compound fertilizer(22-6-12) could save fertilizer cost, but the rice yield decreased. Compound fertilizer(15-10-17) not only raised fertilizer cost, but also reduced rice yield.
【Fund】: 杭州市农业丰收项目“杂交晚粳稻甬优12超高产栽培集成技术示范与推广”(2015F1-010)
【CateGory Index】: S511
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