About: Soil organic matter and humic substances - why to differentiate these terms in university education

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Description	The terms %22organic mater%22 and %22humus%22 often merge in common agricultural practice, school textbooks and scientific publications. We cannot forget that humus and primary organic matter raw or rotten are two quite different things, because they have quite different properties and conversion in soil. Humus is not a decomposed soil organic matter, as we have formerly and erroneously learnt. The significance of humus is above all to ensure the sorption of nutrients in soil by ion exchange and to permanently improve the physical and technological properties of soil by forming organomineral associates resulting mainly into improved water and air regime of soil. Humus possesses high ion exchange capacity. The significance of primary organic matter in soil is particularly that it is the source of energy for soil microorganisms. It is responsible for the biological activity of soil that we appreciate to be an important factor for potential soil fertility. The ions change capacity of primary soil organic matter The terms %22organic mater%22 and %22humus%22 often merge in common agricultural practice, school textbooks and scientific publications. We cannot forget that humus and primary organic matter raw or rotten are two quite different things, because they have quite different properties and conversion in soil. Humus is not a decomposed soil organic matter, as we have formerly and erroneously learnt. The significance of humus is above all to ensure the sorption of nutrients in soil by ion exchange and to permanently improve the physical and technological properties of soil by forming organomineral associates resulting mainly into improved water and air regime of soil. Humus possesses high ion exchange capacity. The significance of primary organic matter in soil is particularly that it is the source of energy for soil microorganisms. It is responsible for the biological activity of soil that we appreciate to be an important factor for potential soil fertility. The ions change capacity of primary soil organic matter (en)
Title	Soil organic matter and humic substances - why to differentiate these terms in university education Soil organic matter and humic substances - why to differentiate these terms in university education (en)
skos:prefLabel	Soil organic matter and humic substances - why to differentiate these terms in university education Soil organic matter and humic substances - why to differentiate these terms in university education (en)
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http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Ledvina, Rostislav Kužel, Stanislav Kolář, Ladislav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Jihočeská univerzita v Českých Budějovicích / Zemědělská fakulta
http://linked.open...dnocenehoVysledku	696281
http://linked.open...ai/riv/idVysledku	RIV/60076658:12220/01:00002904
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	půdní organická hmota; humus; huminové kyseliny; fulvokyseliny (en)
http://linked.open.../riv/klicoveSlovo	humus huminové kyseliny fulvokyseliny půdní organická hmota
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http://linked.open...i/riv/mistoVydani	Nitra
http://linked.open...i/riv/nazevZdroje	Humic Substances in Ecosystems. Proceedings of the 4th International Conference.
http://linked.open...in/vavai/riv/obor	GD
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http://linked.open...UplatneniVysledku	2001
http://linked.open...iv/tvurceVysledku	Kolář, Ladislav Kužel, Stanislav Ledvina, Rostislav Povilaitis, Arvydas
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2001-06-10 (xsd:date)
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