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"VRT" or Variable Rate Technology map generated from grower pH goal of 6.7. Areas of no color require no liming materials to reach pH of 6.7. Areas of color require liming materials. Fertilizer dollars are directed only to areas that need correction. This achieves the best economic return for your fertilizer dollar and is environmentally responsible.
High yielding areas remain high and lower yielding areas of the field are brought to optimum by concentrating fertilizer dollars there.
Potash and phosphate correction is achieved in the exact same manner.
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