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The Modern agriculture should be based on the natural resources sustainability and in optimization of soil and water use. The Measures of Infiltration rate and accumulated water infiltration reflect the conditions of structure, density, porosity, and other soil properties, which are influenced by soil management. This study aimed to evaluate the influence of land use on water infiltration in Haplustox, in Brazil Central West region. The field work was carried out in Três Lagoas-MS in Fibria's área. This area has Cerrado as natural vegetation, climate Aw, the annual average of precipitation and temperature are 1240 mm and 24.2 °C, respectively, where eucalyptus plantations have been introduced over degraded pastures, as the area under evaluation. In these areas, Natural Cerrado, Eucalyptus of 2 and 15 years, were evaluated for cumulative infiltration and soil water infiltration rate (mini disk infiltrometer), bulk density, porosity and penetration resistance. The experimental design, randomized, consisted of three treatments (Cerrado-C, Eucalyptus 02 years-EU2, and Eucalyptus 15 yearsEU15), where the evaluations were conducted in a grid of 36 points, divided into 4 blocks, with 9 replicates, per treatment. The results show that the cerrado has a higher infiltration rate (ŷ(C)=-2,800ln(x)+8,623.9; R2=0,9465) than eucalyptus of 2 and 15 years (ŷ(EU2)=362.5ln(x)+1,051.6; R2=0.9772 and ŷ(EU15)=-180.6ln(x)+523.59; R2=0.9064). Highlighting the cerrado efficiency on soil water infiltration, because it is a preserved area, whereas commercially cultivated areas with eucalyptus presented the highest soil density and resistance to penetration, showing that eucalyptus with 2 and 15 years of cultivation, have not yet recovered the degraded soil by grazing, since it still has commitment in soil water infiltration rate, which may interfere with water cycle, erosion, and others.

INFLUÊNCIA DO USO DO SOLO SOBRE A INFILTRAÇÃO DE ÁGUA, NA REGIÃO CENTRO-OESTE DO BRASIL