Effect of Nitrate Leaching Caused by Swine Manure Application in Fields of the Yellow River Irrigation Zone of Ningxia, China
文献类型： 外文期刊
作者： Yang, Shiqi 1 ; Wang, Yongsheng 3 ; Liu, Ruliang 4 ; Zhang, Aiping 1 ; Yang, Zhengli 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
2.Minist Agr, Key Lab Agroenvironm & Climate Change, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Reg Sustainable Dev Modeling, Beijing 100101, Peoples R China
4.Ningxia Acad Agroforestry Sci, Inst Agr Resources & Environm, Yinchuan 750002, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2017 年 7 卷
页码：
收录情况： SCI
摘要： A five-year swine manure application trial and a study of nitrate leaching losses have been conducted. There were three treatments: traditional without manure (CK), traditional matched manure 4500 kg ha(-2) (T1) and traditional matched manure 9000 kg ha(-2) (T2). Nitrate nitrogen leaching losses at the 30-, 60-, and 90-cm soil layers were measured using the resin core method. The results indicate that the swine manure application did not noticeably increase soil nitrate leaching losses in the 30-cm layer. T1 (16.85 +/- 0.40 kg ha(-2)) and T2 (17.01 degrees C0.46 kg ha(-2)) were not significantly different than CK (15.96 +/- 0.41 kg ha(-2)) (P < 0.05), which was also the case at the 60-cm layer. However, there are significant differences between the treatments and CK at the 90-cm layer, although there were no significant differences between T1 and T2 in that layer. The application of manure can increase soil organic matter (SOM) and total nitrogen (TN). The SOM of T1 and T2 were increased to 0.95 g kg(-1) and 1.41 g kg(-1), respectively. The TN values of CK, T1 and T2 were 0.72, 0.78 and 0.88 g kg(-1), respectively, in the 0 to 30 cm layer, and were improved by 7.72% and 22.04%.
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