I used biochar last year, as I participated in a crowd-funding scheme for Oxford Biochar. Not sure if they're anything to do with our expert. However, i read a lot of their material before joining in, and environmentally it seemed like a good thing. Results for me, although not a proper scientific experiment, were that things grew better in the compost I'd mixed the biochar into than in the same compost without it.
Like Mikey, I prefer to mix my own compost, so I wouldn't buy it pre-mixed. I just mixed the pure biochar in with at a rate of a few handfuls to half a tub-trug of compost.
Like Mikey, I prefer to mix my own compost, so I wouldn't buy it pre-mixed. I just mixed the pure biochar in with at a rate of a few handfuls to half a tub-trug of compost.
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