| Effect of application of urea\|urease inhibitor on grain yield and N use efficiency of wheat |
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| DOI：10.7606/j.issn.1000-7601.2009.03.25 |
| Key Words: urease inhibitor N use efficiency winter wheat yield |
| Author Name | Affiliation | | WANG Guiliang | College of Resources and Environment Henan Agricultural University,Zhengzhou, Henan 45002,China | | XIAO Yanbo | School of Chemistry and Biotechnology Yunnan Nationaliies’ University,Kunming,Yunan 650550, China | | YE Youliang | College of Resources and Environment Henan Agricultural University,Zhengzhou, Henan 45002,China | | LI Huanhuan | College of Resources and Environment Henan Agricultural University,Zhengzhou, Henan 45002,China | | SHANG Yunfeng | Xuchang Soil and Fertilizer Research Station,Xuchang, Henan 461100,China | | BAI Bo | Henan Pingan Seed Company, Wenxian, Henan 410825, China | | MENG Yuntong | Henan Pingan Seed Company, Wenxian, Henan 410825, China |
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| Abstract: |
| In order to guarantee the high yield of grain and improve the nitrogenous fertilizer utilization efficiency,an experiment was conducted in Wenxian and Xuchang of Henan province to compare the effects of nitrogenous fertilizer with different concentration of urease inhibitor on wheat.The results showed:(1) The great effects on groups developments and dry matter accumulation was in jointing stage and anthesis,with 0.12% urea\|urease inhibitor was the best.(2) Urea with 0.12% urease inhibitor made the highest yield,and improved the number of ear of wheat and the weight of the seeds.(3) Urea with urease inhibitor get higher RE,PFP and AE than conventional urea use,and urea with 0.12% urease inhibitor made the highest. |
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