EMBRAPA FLORESTAS | Soil macrofauna communities in a long-term soil tillage experiment at Coamo in Campo Mourão, Paraná, Brazil

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The soil macrofauna community was assessed in a long-term soil tillage systems experiment established in 1991 at the Coamo Agroindustrial Cooperativa experimental farm in Campo Mourão, Paraná state, Brazil. The experiment includes three soil tillage systems (no-tillage, conventional tillage and minimum tillage) planted with two crop rotation systems: soybean-wheat continuous double cropping and a more complex rotation (including maize, wheat, oats, soybean and lupine). However, only four treatments were evaluated: no-tillage with complex rotation; no-tillage with double cropping; conventional (disk) tillage with double cropping, minimum tillage (chisel plowing every 3 years) with double cropping. Four samples were taken per treatment in April 2004, using the standard methodology of the Tropical Soil Biology and Fertility Programme (TSBF). Monoliths were hand-sorted for all litter and soil-dwelling taxa (down to 30 cm depth), and the abundance of a total of 42 taxa assessed.

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