Apparent Electrical Conductivity in Correspondence to Soil Chemical Properties and Plant Nutrients in Soil
نویسندگان
چکیده
منابع مشابه
Apparent soil electrical conductivity measurements in agriculture
The field-scale application of apparent soil electrical conductivity (ECa) to agriculture has its origin in the measurement of soil salinity, which is an arid-zone problem associated with irrigated agricultural land and with areas having shallow water tables. Apparent soil electrical conductivity is influenced by a combination of physico-chemical properties including soluble salts, clay content...
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The most common method for in situ assessment of soil salinity, namely the electrical conductivity (EC) of the soil solution (ECw), is to measure the apparent electrical conductivity (ECa) and volumetric water content (θ) of the soil and apply measured or predicted ECa(ECw, θ) calibration curves. The water content and electrical conductivity of a soil solution are indeed the major factors affec...
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tially variable soil properties that affect crop yield to better optimize crop productivity and to maintain the Crop yield inconsistently correlates with apparent soil electrical sustainability of agriculture. conductivity (ECa) because of the influence of soil properties (e.g., Site-specific crop management is the management of salinity, water content, texture, etc.) that may or may not influe...
متن کاملMapping Depth to Argillic Soil Horizons Using Apparent Electrical Conductivity
Maps of apparent electrical conductivity (ECa) of the soil profile are widely used in precision agriculture. A number of ECa sensors are commercially available, each with a unique response function (i.e., the relative contribution of soil at each depth to the integrated ECa reading). Our past research estimated depth to an argillic horizon (i.e., topsoil depth, TD) on claypan soils by fitting e...
متن کاملEffect of Soil Water on Apparent Soil Electrical Conductivity and Texture Relationships in a Dryland Field
M.C. McCutcheon; H.J. Farahani; J.D. Stednick; G.W. Buchleiter; T.R. Green Northern Colorado Water Conservancy District (NCWCD), 220 Water Ave., Berthoud, CO 80513, USA; e-mail: [email protected] International Center for Agricultural Research in Dry Areas (ICARDA), P.O.Box 5466, Aleppo, Syria; e-mail of corresponding author: [email protected] Forestry, Range, and Watershed Stewardship De...
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ژورنال
عنوان ژورنال: Communications in Soil Science and Plant Analysis
سال: 2011
ISSN: 0010-3624,1532-2416
DOI: 10.1080/00103624.2011.577862