Natural soil amendments: Wood ash and crushed rock effectively increase nitrogen bioavailability in soil, acting as a non-chemical fertilizer
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(Natural News) In a recent experiment, scientists analyzed whether adding wood ash or crushed rock to a low-fertility soil, as compared with an unamended control, will result in a fertilizer effect. The results showed that the wood ash created the highest accumulated clover biomass over two cuts, followed by the crushed rock. The circular economy… |
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