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《Journal of Northeast Agricultural University》 1999-04
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STUDY ON THE INFLUNCE OF ~(15)N-UREARATE ON THE YIELD AND FERTILIZER UTILIZATION EFFICENCY OF SOYBEAN

WU Kui bin,DAI Jian jun,ZHAO Jiu ming 1(Agricultural Scientific Reseach Institute, Hongxianglong,Heilongjiang Youyi 155800) 2(Northeast Agricultural University,Heilongjiang Harbin 150030,PRC)  
A pot experiment has been conducted to study the influnce of urea race on the yield and FUE(Fertilizer Utilization Efficency) of soybean.The %FVE is determined by 15 N isotope lillution method.The result showed that the %FUE is increasing with the urea rate up. The yield of soybean treated with 0 20 kg·hm 2 and 0 40kg·hm 2 urea per mu is positively sigrnificantly different from that of o kg, 0 60 kg and 0 80 kg and 12 kg.$$$$
【CateGory Index】: S565.106
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