In addition to yield, boundary and field attribute maps, a wide array of new electronic, mechanical and chemical sensors are being developed to measure and map many soil and plant properties. Soil EC is a measurement that correlates to soil properties affecting crop productivity. These include water content, soil texture, soil organic matter, depth to claypans, cation exchange capacity, salinity and exchangeable Ca and Mg. Soil EC measurements can add value to the farming operation if they help interpret yield variation. This Crop Insights will examine soil EC mapping as a practical tool to characterize soil differences in farm fields.
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Hi-Bred International, Inc.