Section 71
Chapter 70,591

Multivariate analysis of soil fauna under different soil tillage and crop management systems

Baretta, D.; Mafra, A.L.; Pires Santos, J.C.; Talamini do Amarante, C.V.; Bertol, I.

Pesquisa Agropecuaria Brasileira 41(11): 1675-1679


ISSN/ISBN: 0100-204X
Accession: 070590306

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The objective of this work was to evaluate the effect of different soil tillage and crop management systems on soil fauna groups, by means of multivariate analysis. In the canonical discriminant analysis the conservation soil management systems with crop succession were discriminated in relation to other treatments with crop rotation. The groups Acarina, Hymenoptera, Isopoda, and Collembola, and the Shannon index (H) showed the highest contribution for the discrimination between treatments. The correspondence analysis showed a strong association between Acarina and Hymenoptera groups with the treatment no-tillage with crop succession, and between Collembola group with the conventional tillage system.

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