Soil microbial community analysis of between no-till and tillage in a controlled horticultural field.
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.
Environment-Friendly Agriculture Research Institute, Jeollanam-do Agricultural Research and Extension Services, Naju, 520-715, Republic of Korea.
Seung Koo
SK
Yang
Min Keun
MK
Kim
Youn Won
YW
Seo
Kyung Ju
KJ
Choi
Seong Tae
ST
Lee
Youn-Sig
YS
Kwak
Young Han
YH
Lee
D001419:Bacteria / Q000145:classification* / Q000302:isolation & purification; D058448:Biota; D005658:Fungi / Q000145:classification* / Q000302:isolation & purification; D058871:Organic Agriculture / Q000379:methods*; D012988:Soil Microbiology