Effects of land-use and organic fertilization on soil enzyme in a farmer’s fields

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  • Ushiwata Silvio Yoshiharu
    Agronomia/Solos Universidade do Estado de Mato, Grosso (UNEMAT) Graduate School of Horticulture, Chiba University
  • Kawashima Ayana
    Faculty of Applied Bio Science, Tokyo University of Agriculture
  • Oshima Hiroyuki
    Faculty of Applied Bio Science, Tokyo University of Agriculture
  • Kato Taku
    Faculty of Applied Bio Science, Tokyo University of Agriculture
  • Yashima Miwa
    Graduate School of Horticulture, Chiba University
  • Inubushi Kazuyuki
    Graduate School of Horticulture, Chiba University Faculty of Applied Bio Science, Tokyo University of Agriculture

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Description

The soil quality is measured through the use of indicators that measure or reflect the environmental status or sustainability condition of the ecosystem. Microbial attributes are classified as biological indicators. The use of these indicators in the soil analysis routine are promising. In this research, the effect of two land uses (paddy or upland field) with two different soil management (conventional system or conventional system with previous organic matter applied) on soil microbial properties was evaluated in a farmer’s field. The soil enzymatic activities (urease, glucosidase and arylsulfatase), with exception of acid phosphatase, showed sensitive and consistent responses to the effect of soil management.　The results showed higher soil enzymatic activity in paddy than upland field. Total C and N were 1.3-1.8 times increased by organic amendments as well as N mineralization 1.8-2.4 times, while enzyme activities in upland soil 1.5-2.4 times, although 0.7-1.3 times in paddy soil. In both land-uses, the large amount of organic fertilizer applications in previous organic amendments contributed to improve the soil chemical properties and soil microbiological activities.

Journal

  • Soil Microorganisms

    Soil Microorganisms 78 (1), 20-25, 2024-04-30

    Japanese Society of Soil Microbiology

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