Soil retrogression and degradation are two regressive evolution processes associated with the loss of equilibrium of a stable soil. Retrogression is primarily due to soil erosion and corresponds to a
Intensive tillage result on soil degradation
Willow hedge strengthened with fascines for the limitation of runoff, northern France
Manantenina bushfire
Soil fertility
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Soil fertility refers to the ability of soil to sustain agricultural plant growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality. A fertile soil has the f
Desert east of Birdsville, Australia. Much of Australia is sparsely populated as its desert soils are mostly infertile; thus unable to support larger scale human habitation.