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Chinese Agricultural Science Bulletin ›› 2024, Vol. 40 ›› Issue (29): 59-64.doi: 10.11924/j.issn.1000-6850.casb2024-0147

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Green Water-Fertilizer-Pesticide Synchronizing Technology Characterized of ‘Four to One Narrow-Wide Strip Planting’ Plus Shallow Subsoil Drip Fertigation for Winter Wheat-Summer Maize Cropping System

HAO Zhanhong1(), YE Songlin1, CAI Dongyu1, ZHANG Lijuan2, MI Guohua1()   

  1. 1 College of Resources and Environmental Science, China Agricultural University, Beijing 100193
    2 College of Resources and Environmental Science, Agricultural University of Hebei, Baoding, Hebei 071001
  • Received:2024-02-29 Revised:2024-06-15 Online:2024-10-15 Published:2024-10-14

Abstract:

The Huang-Huai-Hai region is a significant production area for winter wheat and summer maize in China. Currently, the limiting factors include poor maize seeding quality due to no-tillage planting after wheat harvesting, difficulty in irrigation during the sowing to emergence period, untimely irrigation and fertilization, and poor farming techniques. Further enhancement of the use efficiency of radiation, temperature, water and fertilizer resources is the crucial way to achieve high grain yield and sustainable, green agricultural development in this region. To addresses these challenges, since 2018, we have innovated a comprehensive solution integrating several new technologies including the “four to one narrow-wide strip planting” for winter wheat, satellite-guided precision planting, annual shallow subsoil drip irrigation for synchronizing water-fertilizer-pesticide management. The corresponding modern agricultural machinery and information technology have been also matched. The integrated technique is called “Green water-fertilizer-pesticide synchronizing technology characterized of ‘four to one narrow-wide strip planting’ plus shallow subsoil drip fertigation for winter wheat-summer maize cropping system”. The field demonstration experiments conducted between 2010 and 2023 indicated that this novel comprehensive technology effectively addressed the aforementioned challenges and achieved both high yield and efficient resource utilization. Compared with traditional farmer practice, the new technology increased grain yield by 9%-17% in winter wheat and by 12%-14% in summer maize. The new technology also saved water input by 450-750 m3/hm2, fertilizer input by 20%, and labor cost by 2250-3000 yuan/hm2. This comprehensive technology provides a novel feasible solution for the green and high-yielding production of winter wheat and summer maize in the Huang-Huai-Hai region.

Key words: winter wheat and summer maize, four to one narrow-wide, strip planting, satellite navigation, shallow subsoil drip irrigation, integration of water, fertilizer and pesticide, radiation and temperature resources, yield, increased production, green production technology, resource utilization efficiency