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Effects of Tillage Methods on Soil Organic Carbon and Total Nitrogen Content in the Loess Plateau

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  • MENG, Tingting

Abstract

In order to determine whether long-term no-tillage operation in the loess plateau threatens soil fertility and crop yield, a suitable high-yield and efficient tillage technology system was established. In the Changwu loess plateau agri-Gecological experiment station of the Northwest A&F University of Changwu County, Shaanxi Province, the no-tillage experimental field for three consecutive years was selected. In September 2015, no-tillage, tillage, and rotary tillage were carried out before winter wheat was sowed. After the harvest of winter wheat in 2016, soil organic carbon, total nitrogen and wheat yield in 0-30 cm soil layers under different tillage methods were analyzed. The results showed that the soil organic carbon and total nitrogen contents in the 0-30 cm soil layer decreased along the profile under the three tillage methods. In this study, the soil organic carbon and total nitrogen content in the 0-10 cm soil layer under different tillage methods were no-tillage > rotary tillage > tillage, the actual yield of winter yield in one hectare was tillage > rotary tillage > no-tillage, and there was significant difference in the actual yield of winter wheat only between the no-tillage and tillage.

Suggested Citation

  • MENG, Tingting, 2020. "Effects of Tillage Methods on Soil Organic Carbon and Total Nitrogen Content in the Loess Plateau," Asian Agricultural Research, USA-China Science and Culture Media Corporation, vol. 12(02), February.
    • Handle: RePEc:ags:asagre:304111
    DOI: 10.22004/ag.econ.304111
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    Agribusiness;

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