News & Events

Resource Media Type: Online calculator/tool

November 25, 2025

Nutrient Management Calculator

This web-based tool assists in choosing the right rate and nutrient source for your crops.

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November 25, 2025

Organic Fertilizer and Cover Crop N Calculator

These free online tools from Oregon State University allow you to compare the nutrient value and cost of cover crops, organic and synthetic fertilizers and compost in acre and 1,000 ft2 units.

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