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Chinese Agricultural Science Bulletin ›› 2023, Vol. 39 ›› Issue (5): 87-91.doi: 10.11924/j.issn.1000-6850.casb2022-0304

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Effects of Vegetable Residue Compost on Ginger Yield and Soil Environment in Root Zone

XIE Kunhao1,2(), SHI Aokun1, DI Qinghua1, CHEN Ru1, LI Yansu1, YU Xianchang1, CHEN Shuangchen2, HE Chaoxing1()   

  1. 1 State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081
    2 College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan 471000
  • Received:2022-04-13 Revised:2022-06-25 Online:2023-02-15 Published:2023-02-06

Abstract:

To investigate the effects of different vegetable residue compost on the improvement of ginger root zone soil, the influence of conventional fertilization (CK), ginger residue compost (T1) and tomato residue compost (T2) on soil nutrient content, physical and chemical properties, and biological properties and the yield of ginger were studied. The results showed that compared with CK, the application of vegetable residue compost, especially T2, could significantly improve soil enzyme activity, increase soil nutrient content and enhance soil physical and chemical properties, and then promote the growth and increase the yield of ginger. T2 increased the content of soil organic matter, hydrolytic nitrogen, available phosphorus and available potassium in ginger root zone by 17.35%, 19.75%, 21.66%, 19.54% and 37.20%, respectively. Meanwhile, T2 also increased the activity of soil urease, sucrase and neutral phosphatase by 55.89%, 57.21% and 35.60%, respectively. The plant height, branch number, root activity and leaf pigment content of ginger under T2 increased significantly, which raised the yield by 30.53%. In conclusion, the application of vegetable residue compost is beneficial to improving the soil environment of ginger root zone, thus increasing the ginger yield and maintaining the health of ginger rhizosphere soil.

Key words: ginger, vegetable residues compost, yield, soil enzyme activity, soil nutrients