Variation in available micronutrients in black soil after 30-year fertilization treatment
文献类型： 外文期刊
作者： Zhang, Y. G. 1 ; Zhang, Y. Y. 1 ; Cai, J. P. 1 ; Zhu, P. 3 ; Gao, H. J. 3 ; Jiang, Y. 1 ;
作者机构： 1.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110164, Peoples R China
2.Shenyang Agr Univ, Coll Environm Engn, Shenyang 110161, Peoples R China
3.Jilin Acad Agr Sci, Agr Environm & Resources Res Ctr, Changchun, Peoples R China
期刊名称：PLANT SOIL AND ENVIRONMENT （ 影响因子：1.799； 五年影响因子：2.169 ）
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收录情况： SCI
摘要： To assess the effects of long-term fertilization on soil available micronutrients in farmland, this study examined diethylenetriaminepentaacetic acid (DTPA) extractable iron (Fe), manganese (Mn), copper (Cu), and zinc (Zn) in surface soil with monoculture of corn (Zea mays L.) with a 30-year filed fertilization experiment established in Northeast China. Treatments included no fertilization (CK); nitrogen only (N); nitrogen and phosphorus only (NP); NP and potassium (NPK); NPK plus cornstalk (SNPK), and NPK plus farmyard manure (MNPK). Results showed that DTPA-Fe and Mn were significantly increased with chemical N application, and DTPA-Cu and Zn were significantly increased with farmyard manure amendment, while micronutrients were not significantly different between treatment SNPK and CK. DTPA-Fe and Mn were about twice to threefold in treatments N, NP, and NPK as much as in treatments SNPK, MNPK and CK. DTPA-Cu and Zn in treatment MNPK were about 3.9 and 6.5 times as much as in CK. DTPA-Fe and Mn decreased with the increasing of soil pH and cation exchange capacity, while DTPA-Cu and Zn increased with the increase of soil organic carbon and electrical conductivityC1 [Zhang, Y. G.; Zhang, Y. Y.; Cai, J. P.; Jiang, Y.] Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110164, Peoples R China. [Zhang, Y. G.] Shenyang Agr Univ, Coll Environm Engn, Shenyang 110161, Peoples R China. [Zhu, P.; Gao, H. J.] Jilin Acad Agr Sci, Agr Environm & Resources Res Ctr, Changchun, Peoples R China.RP Jiang, Y (reprint author), Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110164, Peoples R China.EM jiangyong@iae.ac.cnFU National Basic Research Program of China [2013CB100504]; National Key Technology R&D Program of China [2012BAD14B04]FX Supported by the National Basic Research Program of China, Project No, 2013CB100504, and by the National Key Technology R&D Program of China, Project No. 2012BAD14B04.NR 27
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