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4R Nutrient Stewardship provides a framework to achieve cropping system goals, such as increased production, increased farmer profitability, enhanced environmental protection and improved sustainability.
To achieve those goals, the 4R concept incorporates the:
- Right fertilizer source at the
- Right rate, at the
- Right time and in the
- Right place
Download the 4R poster:
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An apple is used to model the earth. Students learn that just 1/32 of its surface is devoted to farmland. Discuss in class what sacrifices may be needed to feed a larger population.
Download the 8×11 poster here:
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Growing your own food is fun and a great way to incorporate local foods into everyday meals.
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The 3 main nutrients are N, P, K. Fertilizer nutrients are natural and come from the earth.
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There are many misperceptions on fertilizers and their effect on plant nutrition and the environment. The common ones are explored in this publication distributed by The Fertilizer Institute (TFI).
