Effects of controlled traffic no-till system on soil chemical properties and crop yield in annual double-cropping area of the North China Plain
文献类型: 外文期刊
第一作者: Lu, Caiyun
作者: Lu, Caiyun;Li, Hongwen;He, Jin;Wang, Qingjie;Sarker, Khokan Kumer;Li, Wenying;Rasaily, Rabi G.;Li, Hui;Lu, Caiyun;Lu, Zhanyuan;Chen, Guangnan
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关键词: available P;bulk density;C/N ratio;conventional tillage;pH;soil organic matter;total nitrogen
期刊名称:SOIL RESEARCH ( 影响因子:1.987; 五年影响因子:2.47 )
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收录情况: SCI
摘要: A controlled traffic no-till system is a cropping system that has a significant potential to improve soil health, sustainability and crop yield. A pilot experiment was conducted to compare soil chemical properties and crop yields between controlled traffic no-till and random traffic in an annual double-cropping area of the North China Plain from 2005 to 2010. The experiment was performed using three treatments: (1) controlled traffic no-till (NTCT); (2) random traffic no-till (NTRT); and (3) conventional tillage (CT). The NTCT treatment significantly improved soil organic matter and total N compared with both NTRT and CT treatments and remarkably increased available P compared with CT treatment in the surface soil layer (0-10 cm), but no significant differences were found in soil pH compared with both NTRT and CT treatments. However, in the 10-20- and 20-30-cm soil profiles, soil organic matter, total N and available P were reduced after NTCT treatment when compared with those obtained after CT treatment. At 0-10 cm soil depths, soil bulk density under NTCT and NTRT was higher than in CT, whereas the opposite was true at soil depths of 10-30 cm. Overall, it was found that the 6-year mean maize yield of NTCT and NTRT treatments was 10.9% and 1.1% higher respectively than the CT treatment, whereas the winter wheat yield was 1.1% and 3.0% higher respectively compared with the CT treatment. NTCT appears to be an improvement over current farming systems in an annual double-cropping area of the North China Plain.
分类号: S1
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