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Effects of Straw Input on the Yield and Water-Use Efficiency of Spring Maize in Film-Mulched Farmland

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  • Yisheng Lou

    (Institute of Crop Cultivation and Farming System, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
    Key Laboratory of Water-Saving Agriculture in Northeast Region, Ministry of Agriculture and Rural Affairs, Shenyang 110161, China)

  • Xu Zhang

    (Fuxin Meteorological Bureau, Fuxin 123000, China)

  • Shiyu Zhang

    (Institute of Crop Cultivation and Farming System, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
    Key Laboratory of Water-Saving Agriculture in Northeast Region, Ministry of Agriculture and Rural Affairs, Shenyang 110161, China)

  • Na Li

    (Institute of Crop Cultivation and Farming System, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
    Key Laboratory of Water-Saving Agriculture in Northeast Region, Ministry of Agriculture and Rural Affairs, Shenyang 110161, China)

  • Yidong Zhao

    (Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Science, Beijing 100081, China)

  • Wei Bai

    (Institute of Crop Cultivation and Farming System, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
    Key Laboratory of Water-Saving Agriculture in Northeast Region, Ministry of Agriculture and Rural Affairs, Shenyang 110161, China)

  • Zhanxiang Sun

    (Institute of Crop Cultivation and Farming System, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
    Key Laboratory of Water-Saving Agriculture in Northeast Region, Ministry of Agriculture and Rural Affairs, Shenyang 110161, China)

  • Zhe Zhang

    (Institute of Crop Cultivation and Farming System, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
    Key Laboratory of Water-Saving Agriculture in Northeast Region, Ministry of Agriculture and Rural Affairs, Shenyang 110161, China)

Abstract

To provide a theoretical basis for the sustainable application of autumn mulching technology, we examined the effects of straw input on spring maize yield and water-use efficiency in film-mulched farmland. Based on the positioning tests of different mulching methods conducted in 2013, non-mulching (NM), spring mulching (SM), autumn mulching (AM), and autumn mulching combined with the return of straw (AMS) were selected in western Liaoning from 2018 to 2021. Spring maize yield, yield component factors, soil water content, and water-use efficiency under the four treatments were assessed. In each year, the AMS treatment significantly increased the maize yield, which was 48.22%, 9.33%, 30.66%, and 9.92%, and 11.78%, 7.71%, 12.86%, and 4.77% higher than that obtained after the SM and AM treatments, respectively. However, the harvest index was not significantly improved by AMS. AMS treatment significantly improved the precipitation utilization rate in all assessed years. Moreover, the crop water consumption was significantly increased by AMS treatment. Compared with the NM treatment, water-use efficiencies for economic and biological yield were also significantly improved. Thus, autumn mulching combined with straw-returning technology is an effective technical measure for improve spring maize yield and water-use efficiency in semi-arid areas of western Liaoning.

Suggested Citation

  • Yisheng Lou & Xu Zhang & Shiyu Zhang & Na Li & Yidong Zhao & Wei Bai & Zhanxiang Sun & Zhe Zhang, 2024. "Effects of Straw Input on the Yield and Water-Use Efficiency of Spring Maize in Film-Mulched Farmland," Agriculture, MDPI, vol. 14(10), pages 1-18, October.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:10:p:1803-:d:1497781
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    References listed on IDEAS

    as
    1. Chuanjuan Wang & Jiandong Wang & Yanqun Zhang & Shanshan Qin & Yuanyuan Zhang & Chaoqun Liu, 2022. "Effects of Different Mulching Materials on the Grain Yield and Water Use Efficiency of Maize in the North China Plain," Agriculture, MDPI, vol. 12(8), pages 1-15, July.
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