Climate models project that many terrestrial ecosystems will become drier over the course of
this century, leading to a drastic increase in the global extent of arid soils. In order to …

Light soils occupy 8% of the Brazilian territory and are especially expressive in the new and
last agricultural frontier in Brazil: the Matopiba region-in the states of Maranhão, Tocantins …

Os solos leves ocupam cerca de 8% do território brasileiro e são epecialmente expressivos
na nova e na última fronteira agrícola do país: a região de Matopiba, nos estados do …

The recent emergence and application of Earth Science techniques, such as elemental
analysis, to detect isotopes, biomarkers, trace and ultra trace metals, in combination with …

Hardsetting soils have been defined as soils that set to a hard, structureless mass during
drying and are thereafter difficult or impossible to cultivate until the profile is rewetted. Soil …

In the soil science, a direct method that allows the study of soil pore distribution is the bi-
dimensional (2D) digital image analysis. Such technique provides quantitative results of soil …

Wetland soils, especially those under a semi-arid climate, are among the least studied soils
in the tropics. The hypersaline tidal flats on the north-eastern Brazilian coast, locally named …

Wetting and drying (WD) cycles are responsible for significant changes in soil structure. Soil
often undergoes irreversible changes affecting infiltration and solute retention through WD …

Cohesive horizons are widespread along the Brazilian coastal tablelands and, despite their
importance to soil management under intensive cultivation, their genesis remains, in many …

Total porosity (TP), determined by image analysis, pore type and pore size distribution were
evaluated on impregnated soil blocks from an undisturbed Brazilian sandy loam soil using a …