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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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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).
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This brochure explains the nutrients required for plants and where they come from. It relates nutrients plants need to the elements we need in our bodies. It is written in simple, easy to understand language – making it a valuable resource for anyone studying biology or nutrition.
