About: Mapping of soil conditions in precision agriculture

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The present paper verifies the efficiency of the method for electrical conductivity (EC) measurement for the assessment of spatial variability of soil properties in precision agriculture. The verification was carried out in a 53ha experimental field situated in South Moravia, Czech Republic. EC was measured using the EM38 (Geonics Ltd, Canada) in 2004 and 2005. At the same time, topsoil samples were taken for agrochemical analyses of P, K, Mg, Ca, humus content and pH value, and for soil texture analysis. A strong correlation between years of EC measurements (r2 = 0.936) was found, which confirms the stability of EC measurement from a shorttime point of view. Strong relationships between EC and clay content (r2 = 0.548) as well as sand content (r2 = -0.406) confirm the influence of soil texture on EC. Furthermore, almost all examined agrochemical characteristics (P, K, Mg content and pH value) and humus content show relatively balanced, moderately strong correlations with EC. It indicates that the The present paper verifies the efficiency of the method for electrical conductivity (EC) measurement for the assessment of spatial variability of soil properties in precision agriculture. The verification was carried out in a 53ha experimental field situated in South Moravia, Czech Republic. EC was measured using the EM38 (Geonics Ltd, Canada) in 2004 and 2005. At the same time, topsoil samples were taken for agrochemical analyses of P, K, Mg, Ca, humus content and pH value, and for soil texture analysis. A strong correlation between years of EC measurements (r2 = 0.936) was found, which confirms the stability of EC measurement from a shorttime point of view. Strong relationships between EC and clay content (r2 = 0.548) as well as sand content (r2 = -0.406) confirm the influence of soil texture on EC. Furthermore, almost all examined agrochemical characteristics (P, K, Mg content and pH value) and humus content show relatively balanced, moderately strong correlations with EC. It indicates that the (en)
Title	Mapping of soil conditions in precision agriculture Mapping of soil conditions in precision agriculture (en)
skos:prefLabel	Mapping of soil conditions in precision agriculture Mapping of soil conditions in precision agriculture (en)
skos:notation	RIV/62156489:43210/09:00146129!RIV10-MSM-43210___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(2B06124), Z(MSM6215648905)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Lukas, Vojtěch Křen, Jan Neudert, Lubomír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Mendelova univerzita v Brně / Agronomická fakulta
http://linked.open...dnocenehoVysledku	324685
http://linked.open...ai/riv/idVysledku	RIV/62156489:43210/09:00146129
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	spatial variability; soil electrical conductivity; precision agriculture (en)
http://linked.open.../riv/klicoveSlovo	precision agriculture spatial variability soil electrical conductivity
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[4693CA4E2FC1]
http://linked.open...i/riv/nazevZdroje	Acta Agrophysica
http://linked.open...in/vavai/riv/obor	GD
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Reducing of impacts and risks on environment and information acquisition for qualified decision-making by methods of precision agriculture.
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Lukas, Vojtěch Křen, Jan Neudert, Lubomír
http://linked.open...n/vavai/riv/zamer	Biological and technological aspects of sustainability of controlled ecosystems and their adaptability to climate change
issn	1234-4125
number of pages	13 (xsd:int)
http://localhost/t...ganizacniJednotka	43210

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