%0 Journal Article
%T Effect of N supply and wheat/faba bean intercropping on N uptake and accumulation of wheat<br>小麦蚕豆间作施氮对小麦氮素吸收、累积的影响
%A ZHAO Ping
%A ZHENG Yi
%A TANG Li
%A LU Yao
%A XIAO Jing-Xiu
%A DONG Yan
%A <br>赵平
%A 郑毅
%A 汤利
%A 鲁耀
%A 肖靖秀
%A 董艳
%J 中国生态农业学报
%D 2010
%I 
%X Field experiment was conducted to investigate the effects of 4 nitrogen application rates (0, 90 kg·hm-2, 180 kg·hm-2 and 270 kg·hm-2) and intercropping on N content, N accumulation and N uptake rate of wheat plant in wheat/faba bean intercropping system. The results show that intercropping can significantly increase the contents of N in wheat plants during growth stages. In comparison with monocropping, N contents of wheat plant in intercropping are increased by 20.0%, 21.9%, 21.4% and 17.1% in tillering, elongating, heading and maturing stages, respectively. The contents of N in leaves, stems, and panicles of wheat in intercropping are significantly higher than those of monocropping in heading and maturing stages. Intercropping can significantly increase N accumulation and N uptake rate of wheat plant compared with monocropping. N accumulation in plants of wheat increases by 15.5%~30.4% in intercropping during growth stages. N accumulation and N content of wheat plant are increased with increasing of nitrogen supply in both monocropping and intercropping, but impacts of N supply on N content, N accumulation and N uptake rate of wheat plant are stronger in monocropping comparison with intercropping. Intercropping advantages reduce with increasing of N application rate. N uptake rate of monocropped wheat plant increases, and that of intercropped wheat plant increases and then decreases with increasing of nitrogen application rates. The findings indicate that both N supply and intercropping can promote N uptake and accumulation of wheat. N supply influences intercropping advantages in wheat/faba bean intercropping, and a rational N supply is important for crop intercropping.
%K Wheat/faba bean intercropping
%K Nitrogen supply level
%K Nitrogen accumulation
%K Rate of nitrogen uptake<br>小麦蚕豆间作
%K 施氮水平
%K 氮素累积
%K 氮素吸收速率
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=03F54A49DE00578AA0E5DDF5BC021AA7&cid=1A8B5357F0EF07B8&jid=AB3ABF502E2E1FF39F0E3B80164C9031&aid=7D461841FB0500DE9A50C263111544AA&yid=140ECF96957D60B2&vid=13553B2D12F347E8&iid=E158A972A605785F&sid=81D76BB45305F8B7&eid=F4DCFB3CB96519BF&journal_id=1671-3990&journal_name=中国生态农业学报&referenced_num=1&reference_num=20