About: Problem of the soil calcium status with respect to Mehlich III extraction solution

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Description	The soil calcium, especially it’s mobile and exchangeable forms, is one of the yield making elements. It controls soil sorption complex and its exchange reactions in soil environment, forms and stabilizes favourable soil structure and its pH value. Due to a relatively very close relationship between soil pH value and Ca-Mehlich-3 content we have attempted to employ this relation to an estimation of some reasonable sufficient soil Ca concentration. We have found the inflection point of the polynomial near to the pH value 5.6 and the corresponding value of Ca saturation extent is approximately 60%. Taking into a consideration a fact that above soil pH value 5.5 is a harmful influence of aluminium active form negligible, the corresponding value for Mehlich-3-Ca form for soil pH value 5.6 is approximately 1,400 mg.kg-1. Poster presentation for European Geosciences Union – General Assembly; 19.-24.4.2009, Wien. Published in: Geophysical Research Abstracts, vol.11, EGU2009-5937, 2009, ISSN 1029-7006. The soil calcium, especially it’s mobile and exchangeable forms, is one of the yield making elements. It controls soil sorption complex and its exchange reactions in soil environment, forms and stabilizes favourable soil structure and its pH value. Due to a relatively very close relationship between soil pH value and Ca-Mehlich-3 content we have attempted to employ this relation to an estimation of some reasonable sufficient soil Ca concentration. We have found the inflection point of the polynomial near to the pH value 5.6 and the corresponding value of Ca saturation extent is approximately 60%. Taking into a consideration a fact that above soil pH value 5.5 is a harmful influence of aluminium active form negligible, the corresponding value for Mehlich-3-Ca form for soil pH value 5.6 is approximately 1,400 mg.kg-1. Poster presentation for European Geosciences Union – General Assembly; 19.-24.4.2009, Wien. Published in: Geophysical Research Abstracts, vol.11, EGU2009-5937, 2009, ISSN 1029-7006. (en)
Title	Problem of the soil calcium status with respect to Mehlich III extraction solution Problem of the soil calcium status with respect to Mehlich III extraction solution (en)
skos:prefLabel	Problem of the soil calcium status with respect to Mehlich III extraction solution Problem of the soil calcium status with respect to Mehlich III extraction solution (en)
skos:notation	RIV/26788462:_____/09:#0000232!RIV10-MSM-26788462
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http://linked.open...avai/riv/aktivity	P(LA 290), Z(MSM2678846201)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Fiala, Karel Krhovjáková, Jana
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Agrovýzkum Rapotín s.r.o.
http://linked.open...dnocenehoVysledku	336444
http://linked.open...ai/riv/idVysledku	RIV/26788462:_____/09:#0000232
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	soil; calcium; pH value; soil sorption complex (en)
http://linked.open.../riv/klicoveSlovo	soil soil sorption complex calcium pH value
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http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Fiala, Karel Krhovjáková, Jana
http://linked.open...n/vavai/riv/zamer	Uplatnění evropského modelu multifunkčního zemědělství v LFA oblastech České republiky

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