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Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment.
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 phenomenon where succession reverts the land to its natural physical state.
Various definitions of pollution exist, which may or may not recognize certain types, such as noise pollution or greenhouse gases.The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.
The first environmental effect is increased crop growth, such as in the Rubaksa gardens in Ethiopia The irrigation that grows crops, especially in dry countries, can also be responsible for taxing aquifers beyond their capacities.
UConn had a last look at the basket following a timeout with 5.9 seconds remaining. But Hassan Diarra's go-ahead 3-point attempt clanged off the rim just before the final buzzer sounded.
A wide variety of materials have been described as soil conditioners due to their ability to improve soil quality. Some examples include biochar, [3] bone meal, blood meal, coffee grounds, compost, compost tea, coir, manure, [4] straw, peat, sphagnum moss, vermiculite, sulfur, lime, hydroabsorbant polymers, [5] biosolids, [6] and rock flour.
Air pollution is the presence of substances in the atmosphere that are harmful to humans and other living beings, or cause damage to the environment. Air pollution can be chemical, physical or biological. [1]
Mycosphaerella is a genus of ascomycota.With more than 10,000 species, it is the largest genus of plant pathogen fungi.. The following introduction about the fungal genus Mycosphaerella is copied (with permission) from the dissertation of W. Quaedvlieg (named: Re-evaluating Mycosphaerella and allied genera).