Narrative review reveals severe supply shortages of manure and compost in global croplands, highlighting the inability of organic amendments alone to sustain agriculture.
There is not enough manure. Not enough to supply nutrients to our crops, not enough to maintain our soils. Those were the conclusions in my last two posts, but before we see what this means for agriculture, let s look to other organic amendments. Is there enough of any of them?
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Andrew McGuire (2026) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: