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Chinese Agricultural Science Bulletin ›› 2025, Vol. 41 ›› Issue (32): 54-60.doi: 10.11924/j.issn.1000-6850.casb2025-0173

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Study on Improvement Effect of Soil Conditioner Combined with Organic Fertilizer on Facility Soil

MA Liang(), WU Rong(), DU Ying(), LIU Shanjiang, XUE Wentao, SUN Hao   

  1. Institute of Plant Nutrition, Resources and Environment, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100097
  • Received:2025-02-27 Revised:2025-09-17 Online:2025-11-18 Published:2025-11-18

Abstract:

To investigate the effects of soil conditioner combined with organic fertilizer on the physical and chemical properties of facility soil, as well as crop quality and yield, a study was conducted on the effects of different fertilization treatments (no fertilization CK, organic fertilizer OM, organic fertilizer combined with low dosage conditioner T1, organic fertilizer combined with high dosage conditioner T2) on soil physicochemical property and the quality and yield of spring tomato and autumn celery in facility soil. The results showed that: (1) the application of organic fertilizer combined with soil conditioner reduced the total salt content in the surface soil. Among them, the T2 treatment had the best inhibitory effect on total salt, which decreased significantly by 36.14% compared with CK. (2) The combination of organic fertilizer and soil conditioner treatment increased the content of available phosphorus, available potassium, available ammonium nitrogen and available nitrate nitrogen in the 0-20 cm soil layer by 48.53%, 12.32%, 87.78% and 57.95%, respectively, compared to CK treatment. Compared with OM, T2 treatment reduced the content of available potassium, available ammonium nitrogen and available nitrate nitrogen in the 0-20 cm soil layer by 23.69%, 45.31% and 56.04%, respectively. (3) The combination of organic fertilizer and soil conditioner treatment increased the quality and yield of tomato celery, with T2 treatment showing the best effect. The soluble total sugar and yield of tomato and celery were significantly increased by 19.10%, 18.52%, 102.04% and 21.79%, respectively, compared to CK. The nitrate nitrogen content of tomato and celery was reduced by 16.05% and 16.15%, respectively, compared to CK. In summary, the application of organic fertilizers combined with high-dose conditioners in facility soil can significantly improve soil quality, enhance tomato and celery quality, and increase crop yield.

Key words: facility soil, soil conditioner, soil improvement, vegetable quality, yield