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Plants on calcareous grassland are typically short and hardy, and include grasses and herbs such as clover.Calcareous grassland is an important habitat for insects, particularly butterflies and ants, [2] and is kept at a plagioclimax by grazing animals, usually sheep and sometimes cattle.
Sabkha deposits are believed to form some of the major subsurface hydrocarbon reservoirs in the Middle East (and elsewhere). The source of these hydrocarbons (both gas and oil) may be the microbial mats and mangrove paleosoils , found in the sabkha sequence, that have total organic carbon up to 8.2% and hydrogen indices typical of marine type ...
Soils at the bottom of a hill will get more water than soils on the slopes, and soils on the slopes that face the sun's path will be drier than soils on slopes that do not. [ 64 ] In swales and depressions where runoff water tends to concentrate, the regolith is usually more deeply weathered, and soil profile development is more advanced. [ 65 ]
The rock or sediment associated with a soil's development is referred to as its parent material, which is the starting point for the process of soil formation. During early formation, soils are not so different from their parent materials. With time however, soils will contain less features of their original parent material.
Soil respiration is a key ecosystem process that releases carbon from the soil in the form of carbon dioxide. Carbon is stored in the soil as organic matter and is respired by plants, bacteria, fungi and animals. When this respiration occurs below ground, it is considered soil respiration.
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The Breathing Method is a novella by American writer Stephen King, originally released as part of his Different Seasons collection in 1982. It is placed in the section entitled "A Winter's Tale". [1] It is the only one of the four stories in the collection not to have been adapted for film. [2] [3]
In agriculture, chalk is used for raising pH in soils with high acidity. [25] Small doses of chalk can also be used as an antacid. [26] Additionally, the small particles of chalk make it a substance ideal for cleaning and polishing. For example, toothpaste commonly contains small amounts of chalk, which serves as a mild abrasive. [27]