@article{fdi:010040695, title = {{Q}ualidade física de um {L}atossolo {V}ermelho sob sistemas de integra{\c{c}}ão lavoura-pecuária no {C}errado = {S}oil physical quality under crop-livestock management systems in a {C}errado {O}xisol}, author = {{M}archao, {R}. {L}. and {B}albino, {L}. {C}. and da {S}ilva, {E}. {M}. and dos {S}antos, {J}. {D}. {G}. and de {S}a, {M}. {A}. {C}. and {V}ilela, {L}. and {B}ecquer, {T}hierry}, editor = {}, language = {{POR}}, abstract = {{T}he objective of this work was to analyze the effect of integrated crop-livestock systems on soil hydraulic properties, and test the potential use of these properties as physical quality indicators of a {C}errado {O}xisol. {T}he field study was conducted at {E}mbrapa {C}errados, {P}lanaltina, {DF}, {B}razil, considering soil layers of: 0-5, 10-15, 20-25 and 40-45 cm. {C}rop-livestock systems caused significant changes in soil bulk density, volumetric soil-water content, soil penetration resistance, total porosity, macroporosity, effective microporosity, unsaturated pores and available water. {A}n increase was observed in both soil resistance and bulk density for all systems in comparison to the cerrado. {H}owever, higher soil resistance did not appear as a limiting factor for annual crops growth in a rotation sequence. {T}otal porosity and macroporosity were higher in the cerrado, and in the systems with no-tillage in relation to conventional tillage. {S}oil penetration resistance, macroporosity, bulk density and available soil-water properties are reliable indicators of the soil physical quality.}, keywords = {crop pasture rotation ; soil penetration resistance ; porosity ; water retention ; soil quality}, booktitle = {}, journal = {{P}esquisa {A}gropecu{\`a}ria {B}rasileira}, volume = {42}, numero = {6}, pages = {873--882}, ISSN = {0100-204{X}}, year = {2007}, URL = {https://www.documentation.ird.fr/hor/fdi:010040695}, }