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Bare Fields with Incipient Weeds The photo in the center left is of a bare field with weeds in the upportion, indicated by a small green patch. The Imagery shows current soil moisture, soil types and salt concentrations; also, this field has rows that list. Red-Violet areas indicate higher soil moisture due to higher salt concentration at the tail end. This field was being prepared for produce. It is in the process of making the rows or "listing". The red areas indicate soil moisture in the field. This could be from too much salt or just the way the field drys out because the drainage is on the right side. The latter explanation is more likely, because the tractor is working on the dryer side. With the cooler side blue and green, this indicates that the soil is moist but workable. Growers typically work heavy soils while somewhat wet. This Image could tell the grower he needs to hold off on the right side until it is dryer. Thus, from this image it can be illustrated that the AMS technology is a good tool even for soil management prior to planting. To view an enlarged illustration of the aerial photo next to the thermal image, CLICK HERE. (This is a large file..download may take several seconds.) |
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