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Development and implementation of an early warning system for irrigation in intensive tomato seedling cultivation

Author

Listed:
  • Wang, Zifan
  • Jia, Hongwei
  • Jia, Zhanliang
  • Liu, Jiejie
  • Zhu, Donghui
  • Kang, Erfang
  • Shi, Jianhua
  • Shang, Zhonglin

Abstract

During tomato seedling cultivation, the growing medium and irrigation strategy directly influence seedling growth and determine seedling quality. In this study, the effects of different growing media and irrigation volumes on seedling development were investigated, revealing that tomato seedlings grown with a medium porosity of 0.56 and an irrigation volume of 80–90 % of the medium porosity showed good quality. Then, to optimize the irrigation strategy for tomato seedlings, a warning model was developed to determine proper irrigation timing. The water consumption of seedlings at different developmental stages (one-leaf-one-apex (I), two-leaf-one-apex (II), and three-leaf-one-apex (III)) was monitored and analyzed. This model integrates environmental parameters with seedling water consumption to trigger warnings when substrate moisture levels drop to those that could cause wilting. Furthermore, greenhouse validation results showed that the predicted water consumption at each stage matched the actual water use. The model can guide the creation of an automated irrigation control system during seedling growth, establish standardized production methods, and reduce labor costs.

Suggested Citation

  • Wang, Zifan & Jia, Hongwei & Jia, Zhanliang & Liu, Jiejie & Zhu, Donghui & Kang, Erfang & Shi, Jianhua & Shang, Zhonglin, 2025. "Development and implementation of an early warning system for irrigation in intensive tomato seedling cultivation," Agricultural Water Management, Elsevier, vol. 320(C).
    • Handle: RePEc:eee:agiwat:v:320:y:2025:i:c:s0378377425005980
    DOI: 10.1016/j.agwat.2025.109884
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    References listed on IDEAS

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    1. Guoxin Ma & Qiang Shi & Yuanchao Wu & Yang Liu & Lvhua Han & Jianping Hu & Hanping Mao & Zhiyu Zuo, 2024. "Effects of Biochar on the Growth and Physiological and Mechanical Properties of Cucumber Plug Seedlings Before and After Transplanting," Agriculture, MDPI, vol. 14(11), pages 1-18, November.
    2. F.F. Montesano & M.W. van Iersel & A. Parente, 2016. "Timer versus moisture sensor-based irrigation control of soilless lettuce: Effects on yield, quality and water use efficiency," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 43(2), pages 67-75.
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