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Effects of Amendment with Various Vermicomposts on the Soil Fertility, Growth of Brassica chinensis L., and Resistance of Spodoptera litura Fabricius larvae

Author

Listed:
  • Chang-Jun Fong

    (Master’s Program for Plant Medicine and Good Agricultural Practice, Nation Chung Hsing University, Taichung 40227, Taiwan)

  • Yi-Yuan Chuang

    (Department of Entomology, Nation Chung Hsing University, Taichung 40227, Taiwan)

  • Hung-Yu Lai

    (Department of Soil and Environmental Sciences, Nation Chung Hsing University, Taichung 40227, Taiwan
    Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung 40227, Taiwan)

Abstract

Amendments with vermicomposts can reduce the incidence of pests. In this study, earthworms were fed different foods to produce four vermicomposts. A pot experiment was then conducted to assess different vermicomposts’ effects on soil fertility, and the secondary metabolite content and antioxidant capacity of Brassica chinensis L., and on the growth of Spodoptera litura larvae. The results showed that the characteristics of vermicomposts are mainly affected by food supplements, and that the application of vermicomposts can improve soil fertility, whereas increasing the soil and leaf sulfur content can decrease the relative growth rate of S. litura larvae. However, there were no significant differences in the total phenolic content (TPC), total flavonoid content (TFC), nor the DPPH free radical scavenging ability under the different treatments.

Suggested Citation

  • Chang-Jun Fong & Yi-Yuan Chuang & Hung-Yu Lai, 2021. "Effects of Amendment with Various Vermicomposts on the Soil Fertility, Growth of Brassica chinensis L., and Resistance of Spodoptera litura Fabricius larvae," Sustainability, MDPI, vol. 13(16), pages 1-12, August.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:16:p:9441-:d:619699
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    Cited by:

    1. Chang-Jun Fong & Yi-Yuan Chuang & Hung-Yu Lai, 2022. "Effect of Sulfur-Enriched Vermicompost on the Growth of Brassica chinensis L. and the Spodoptera litura Fabricius Larvae Feeding," Agriculture, MDPI, vol. 12(4), pages 1-16, March.

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