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Western Ag Labs of North Dakota is a science based crop nutrition planning service. We use a new and patented technology to deliver crop nutrient recommendations to North Dakota growers. The PRS™ (Plant Root Simulator) technology is a sensitive method of obtaining the functional plant availability of nutrients in the soil to specific crop roots. The PRS™ Probe along with the PRS™ Crop Forecaster (a software modeling program) are powerful tools that give an accurate prediction of crop fertilizer needs for a crop given with variable moisture and temperature conditions.


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