%0 Journal Article %T Effects of rice-straw-returning under tobacco-rice rotation on soil organic nitrogen fractions
烟稻轮作中稻草还田对土壤有机氮各组分的影响 %A XIAO Qiao-lin %A LUO Jian-xin %A YANG Qiong %A
肖巧琳 %A 罗建新 %A 杨 琼 %J 土壤 %D 2011 %I %X 14 different soils under tobacco-rice rotation in southern Hunan Province were collected to study the effects of rice-straw-returning on the contents and components of organic nitrogen fractions in soils based on Keeney and Bremner's classification of organic nitrogen.The results showed rice-straw-returning only increased the content of unknown hydrolysable nitrogen rather than the contents of ammonia nitrogen,amino acid nitrogen and unhydrolysable nitrogen;Rice-straw-returning enhanced the correlations bet... %K Tobacco-rice rotation %K Rice-straw-returning %K Organic nitrogen fraction
烟稻轮作 %K 稻草还田 %K 有机氮组分 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=03F54A49DE00578AA0E5DDF5BC021AA7&cid=1A8B5357F0EF07B8&jid=56F69E970C6E5190CDB409D28DD0E3C6&aid=4CE7EE22674152E05FE0E50477B82823&yid=9377ED8094509821&vid=BE33CC7147FEFCA4&iid=0B39A22176CE99FB&sid=ED01F5AE50BE09C0&eid=DABEF202280E7EF1&journal_id=0253-9829&journal_name=土壤&referenced_num=0&reference_num=20