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Soil MSP3 EC/OM & pH

Map soil texture using soil electrical conductivity and produce precise maps of the soil variability in your fields.


Map organic matter with an optical sensor operating underneath crop residue and the soil surface.


On-the-go pH mapping uses pH electrodes to measure 5-10 pH samples per an acre.Collecting a few lab samples calibrates the MSP3.


The Results: Precise, detailed maps of organic matter, CEC, and pH. This information accurately delineates soil zones, making ideal maps for varying seed population rates, nitrogen, lime, gypsum, and other inputs. Because the soil sensor readings can be calibrated to actual OM, CEC, and pH levels, the maps can be used to manage inputs across a farm or even across a region. Topography measurements can be acquired simultaneously and co-located with MSP-3 soil sensor readings.

EC maps relate to soil texture and salinity—a fact that has been verified by extensive scientific research. Where the soil EC map shows the soil changes—you will find a change at that location.

And the mapping only needs to be done once, unless you do significant soil moving. EC maps made a decade apart show the same soil management zones.

The Veris 3100 generates two sets of maps, a topsoil map from 0-12" (30 cm) and one of the soil profile 0-36” (91 cm). While uses vary, the top layer is often used for soil sample site selection, and the deeper map for variable rate populations and nitrogen management.