publications

Tool Box

Software downloads & self guided tutorials.

 

Crop Nutrient Removal Calculator (for all computer and mobile devices)

The crop nutrient removal calculator (NRC) estimates crop nutrient removal of N, P, K, and S for a broad, and continually expanding, list of field crops. Results are calculated based on user-selected yield goals, and can be displayed in either metric or US/Imperial units. The calculator is uniquely multilingual—providing full access in six languages including English, French, Spanish, Portuguese, Russian, and Chinese (Mandarin).

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Crop Nutrient Removal Calculator (PlantCalc) for iPhone/iPad/iPod touch

The crop nutrient removal calculator (NRC) estimates crop nutrient removal of nitrogen (N), phosphorus (expressed as P2O5), potassium (expressed as K2O), and sulfur (S) for a broad, and continually expanding, list of field crops.

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Crop Nutrient Response Tool

This evaluation tool was designed to assist in interpreting results from on-farm trials; specifically, trials involving multiple rates of any added nutrient. Its main goal is to provide the best possible estimate of "optimum rate" or "most economic rate of N" (MERN) from limited data.

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