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Nutrient Stewardship: Taking 4R Further

 |  4R Nutrient Stewardship

It’s been 10 years since the 4R Plant Nutrition manual was published, setting out principles for the stewardship of plant nutrients agreed to by soil fertility scientists and crop nutrition practitioners. Since then, the industry has done a lot to implement the concept, both globally and in North America. What has been learned and accomplished in the process? What needs to be done to take 4R further? This article is available to Certified Crop Advisers and others subscribed to Crops & Soils. Earn 1 CEU in Nutrient Management by reading this article and taking the quiz.

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