Soil microbial community analysis of between no-till and tillage in a controlled horticultural field |
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| Authors: | Seung Koo Yang Min Keun Kim Youn Won Seo Kyung Ju Choi Seong Tae Lee Youn-Sig Kwak Young Han Lee |
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| Institution: | (1) Environment-Friendly Agriculture Research Institute, Jeollanam-do Agricultural Research and Extension Services, Naju, 520-715, Republic of Korea;(2) Division of Plant Environmental Research, Gyeongsangnam-do Agricultural Research and Extension Service, Jinju, 660-360, Republic of Korea;(3) Department of Applied Biology, Gyeongsang National University, Jinju, 660-701, Republic of Korea; |
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| Abstract: | The present study evaluated the changes of soil microbial communities that were subjected to no-till and compared the results
to those subject to tillage for organic farming in a controlled horticultural field by fatty acid methyl ester. Fungi (P < 0.001), gram-positive bacteria (P < 0.001), arbuscular mycorrhizal fungi (P < 0.01), and actinomycetes (P < 0.01) in the no-till soils were significantly larger than those in the tillage soils. The no-till in the subsoil had a
significantly lower ratio of cy17:0 to 16:1ω7c compared to that of tillage, indicating that microbial stress decreased because
the soils were not disturbed (P < 0.05). Fungi should be considered as a potential factor responsible for the obvious microbial community differentiation
that was observed between the no-till and tillage areas in a controlled horticultural field. |
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