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The Pyramid Scheme of High Organic Amendment Rates
Editorial

The Pyramid Scheme of High Organic Amendment Rates

Andrew McGuire
05/14/2024
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Abstract

Nutrients and amendments
There are many soil health benefits of applying high rates of organic amendments. For example, a recent meta-analysis found adding organic amendments increased soil organic matter across multiple studies by an average of 29% in croplands and 34% in grasslands (Figure 1 below, Beillouin et al., 2023). This is the power of winning a pyramid scheme. What the studies don t consider, however, is what happens to the losers of a pyramid scheme. What do I mean by all this? With organic amendments, all of it had to grow somewhere.

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