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The seven color image above shows a classified aerial image of a pistachio field in California. Several locations showed salinity problems. None of the soil sampling methods currently used have dealt with the problem satisfactory. However, an InTime scout image, based on the foliage differences in the field and 2 or 3 soil samples, revealed the areas where salt concentrations negatively influenced crop performance. The grower corrected the problems by writing a prescription on InTime's website for a variable rate application of gypsum.  |