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《China Rice》 2016-01
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The Requirement Rule of N, P, K Nutrient and Fertilization Effect Model of Yongyou 12

JIANG Shangjun;CAI Jianjun;WANG Huifu;Agricultural Service Station of Jiangnan Sub -district;Linhai Agricultural Technique Extension Center;Taizhou Academy of Agricultural Science;  
The "3414"application design of N, P, K nutrient was tested in rice field to provide the optimum application formulation for hybrid rice Yongyou 12. The results indicated that the yield could increased by 20% at least with N, P, K application. The requirement of N, P, K followed a power function relationship and the whole dimension requirement of N+P+K(M) was more than the sum of each single dimension requirement, followed by mathematical models: Y =-0.7744N2+18.565 N +510.01(r =0.9634*), Y =3.0931P2-8.6161 P +604.66(r =0.9999**), Y =-3.3975K2+35.733 K +521.45(r =0.9841*), Y =-0.1239M2+8.4834 M +489.36(r =0.8010**).The highest yield could be obtained when application amount of pure N, P2O5 and K2O was 14 kg, 7 kg and 13 kg per 667 m2 in the test according to the models. Thus, in order to achieve optimum relationship between group and individuals and to produce more and large panicles, the super high yield cultivation of Yongyou 12 should base on the whole dimension requirement model and supplemented by organic fertilizer and micronutrient.
【Fund】: 浙江省台州市科技计划农业重点项目(TYD-010)
【CateGory Index】: S511
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【Co-citations】
Chinese Journal Full-text Database 7 Hits
1 SUN Yong-fei;LIANG Yin-ming;CHEN Yin-gen;FENG Zhong-min;CHEN Jin-huan;CHEN Feng;Agricultural Bureau of Xinchang County;;Preliminary Integration of Hand-transplanted Cultivation Techniques for 1 000 kg/667 m~2 of Super Rice Yongyou 12[J];China Rice;2014-01
2 LU Guo-ping;SHEN Xin-lian;JIANG Zu-ming;DIAO Fen-bao;PAN Ming-geng;Agricultural comprehensive service station of Zhiqian town;Crop cultivation technology guidance station of Jintan city;;900 kg/667 m~2 High Yielding Cultivation Techniques for Machine Transplanted Rice Yongyou 8[J];China Rice;2014-01
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