name two types of foresrt siol
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Forest soils have been studied by many generations of soil scientists. Some studies have been focused mainly on ecologic characteristics, for example on surface organic layers in forests in Denmark, which introduced the terms ‘mor’ and ‘mull’; while other investigations have dealt with nutrients, water supplies, soil organisms (especially mycorrhiza-forming fungi), fertilizer additions, and other impacts of forest management.
Because human land uses have often appropriated the ‘best’ soils and landscape positions for agriculture, many forest soils are less than optimum in properties that control fertility and potential vegetation productivity. This is illustrated by the designation of many forest soils as ‘steep, stony lands’ during early soil surveys in the US Lake States. Of course, there are also forest soils with high productive potentials, i.e., with porous and well-aerated root zones, good nutrient-supplying and -retaining capacities, excellent capacities to store plant-available water, and characteristics amenable to robust populations of soil microbes and fauna. And, in many areas of the world today, forests grow on lands once used for intensive agriculture, e.g., parts of northern and central Europe, the northeastern and southeastern USA, and New Zealand
Because human land uses have often appropriated the ‘best’ soils and landscape positions for agriculture, many forest soils are less than optimum in properties that control fertility and potential vegetation productivity. This is illustrated by the designation of many forest soils as ‘steep, stony lands’ during early soil surveys in the US Lake States. Of course, there are also forest soils with high productive potentials, i.e., with porous and well-aerated root zones, good nutrient-supplying and -retaining capacities, excellent capacities to store plant-available water, and characteristics amenable to robust populations of soil microbes and fauna. And, in many areas of the world today, forests grow on lands once used for intensive agriculture, e.g., parts of northern and central Europe, the northeastern and southeastern USA, and New Zealand
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clay soil and sandy soil
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clay soil and sandy soil
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Vinaythakur1315:
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