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Effects of Vertical Smashing Rotary Tillage on Root Growth Characteristics and Yield of Broccoli

Author

Listed:
  • Fake Shan

    (Department of Biosystems Engineering, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China)

  • Dongfang Li

    (Department of Biosystems Engineering, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China)

  • Jianxi Zhu

    (Zhejiang Agricultural Machinery Research Institute, 1158 Zhihe Road, Jinhua 321051, China)

  • Shuo Kang

    (Department of Biosystems Engineering, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China)

  • Jun Wang

    (Department of Biosystems Engineering, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China)

Abstract

Most of the soils of the cultivated land in southern China are Ferralsols, which are easily deposited and hardened. To date, rotary tillage (RT) has been the major tillage system used in China. This tillage system results in a shallow soil pan, which reduces broccoli growth and yield. A two-year field experiment was conducted in the Central Zhejiang Basin, China, to compare the effects of vertical smashing rotary tillage (VSRT), RT, and vertical rotary tillage (VRT) on the soil properties, growth characteristics, and yield of broccoli. VSRT reduced the bulk density and penetration resistance of the 0–40 cm soil layer, and increased the soil water content of the 10–40 cm layer. Compared with RT and VRT, VSRT significantly promoted broccoli root length and increased broccoli root dry matter accumulation (DMA). VSRT significantly increased the DMA rate during the growth period, and the size of the broccoli florets was more uniform. In 2020, compared with RT and VRT, VSRT increased yields by 7.8% and 19.5%, respectively; while in 2021, the corresponding increases in yield due to VSRT were 24.8% and 40.5%. Therefore, VSRT, as a deep tillage method, can improve soil characteristics before planting broccoli and ultimately increase broccoli yield.

Suggested Citation

  • Fake Shan & Dongfang Li & Jianxi Zhu & Shuo Kang & Jun Wang, 2022. "Effects of Vertical Smashing Rotary Tillage on Root Growth Characteristics and Yield of Broccoli," Agriculture, MDPI, vol. 12(7), pages 1-13, June.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:7:p:928-:d:848762
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    References listed on IDEAS

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    1. Wang, Jialin & Pan, Zhihua & Pan, Feifei & He, Di & Pan, Yuying & Han, Guolin & Huang, Na & Zhang, Ziyuan & Yin, Wenjuan & Zhang, Jiale & Peng, Ruiqi & Wang, Zizhong, 2020. "The regional water-conserving and yield-increasing characteristics and suitability of soil tillage practices in Northern China," Agricultural Water Management, Elsevier, vol. 228(C).
    2. Erdem, Tolga & ArIn, Levent & Erdem, Yesim & Polat, Serdar & Deveci, Murat & Okursoy, Hakan & Gültas, Hüseyin T., 2010. "Yield and quality response of drip irrigated broccoli (Brassica oleracea L. var. italica) under different irrigation regimes, nitrogen applications and cultivation periods," Agricultural Water Management, Elsevier, vol. 97(5), pages 681-688, May.
    3. Zhai, Lichao & Wang, Zhanbiao & Song, Shijia & Zhang, Lihua & Zhang, Zhengbin & Jia, Xiuling, 2021. "Tillage practices affects the grain filling of inferior kernel of summer maize by regulating soil water content and photosynthetic capacity," Agricultural Water Management, Elsevier, vol. 245(C).
    4. Yin, Baozhong & Hu, Zhaohui & Wang, Yandong & Zhao, Jin & Pan, Zhihua & Zhen, Wenchao, 2021. "Effects of optimized subsoiling tillage on field water conservation and summer maize (Zea mays L.) yield in the North China Plain," Agricultural Water Management, Elsevier, vol. 247(C).
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    Cited by:

    1. Zhijie Li & Hongguang Liu & Haichang Yang & Tangang Wang, 2023. "Effects of Deep Vertical Rotary Tillage Management Methods on Soil Quality in Saline Cotton Fields in Southern Xinjiang," Agriculture, MDPI, vol. 13(10), pages 1-13, September.

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