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《Plant Fiber Sciences in China》 2018-01
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Study on the Effects of NPK Fertilizers and Optimum Fertilizer Rate on Dryland of Flax

GUO Na;MA Jianfu;LIU Dong;GUO Yingjie;QU Zhihua;JIN Yinglu;LI Airong;Zhangjiakou Academy of Agricultural Science;  
Flax is an important oil crop in arid north of China. Based on the "3414"fertilizer experiment protocol,a field experiment was conducted to study the effects of NPK fertilizers and optimum fertilizer rate on dryland of flax. The results showed that the coordinated application of nitrogen,phosphorous and potassium significantly increased the yield of flax significantly,and the effect on the yield of flax could be ranked as N P K; the most effective combination utilized N 8. 38 kg/kg、P 11. 85 kg/kg、and K 14. 93 kg/kg when it was applied N 45 kg/hm~2、P_2 O_533. 75 kg/hm~2 and K_2 O 37. 5 kg/hm~2 respectively. According to univariate quadratic model,the most appropriate fertilization for flax was N41. 85 kg/hm~2、P_2 O_582. 95 kg/hm~2、K_2 O 37. 5 kg/hm2 respectively.
【Fund】: 国家现代农业产业技术体系建设专项(CARS-17-SYZ-8)
【CateGory Index】: S563.2
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