Publications des scientifiques de l'IRD

Santos G.G., Marchao R.L., Da Silva E.M., Da Silveira P.M., Becquer Thierry. (2011). Qualidade física do solo sob sistemas de integração lavoura pecuária. Pesquisa Agropecuaria Brasileira, 46 (10), p. 1339-1348. ISSN 0100-204X.

Titre du document
Qualidade física do solo sob sistemas de integração lavoura pecuária
Année de publication
2011
Type de document
Article référencé dans le Web of Science WOS:000298331600030
Auteurs
Santos G.G., Marchao R.L., Da Silva E.M., Da Silveira P.M., Becquer Thierry
Source
Pesquisa Agropecuaria Brasileira, 2011, 46 (10), p. 1339-1348 ISSN 0100-204X
The objective of this work was to evaluate the physical quality of soil in integrated crop-livestock systems (ICL) in comparison to continuous pasture and native Cerrado. During two years (2005 and 2006), soil samples from a clayed Rhodic Ferralsol were collected from two layers (0-20 and 70-80 cm), in six areas under different crop rotation and ICL. Continuous pasture and native Cerrado were used as reference. The following physical and hydraulic properties were evaluated: bulk density, water saturation, total porosity, macroporosity, effective microporosity, effective saturation, lab and field-saturated hydraulic conductivity, and soil-water retention curve. All the cultivated systems caused impact on the physical and hydraulic properties of the 0-20 cm layer. The continuous pasture provided the best soil physical quality. In the comparison between years, only the soil under conventional tillage had its bulk density increased and its soil porosity decreased. The pasture in the rotation system with ICL, even after four years, does not restore soil physical quality in comparison to continuous pasture.
Plan de classement
Pédologie [068] ; Sciences du monde végétal [076]
Description Géographique
BRESIL
Localisation
Fonds IRD [F B010054341]
Identifiant IRD
fdi:010054341
Contact