That are just as efficient for growing plants

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[–] 9 points 2 months ago (1 child)

Not gonna pretend I'm an expert or anything, but

What about compost?

I think I've read that seaweed can be good too, but I'm not sure if that's more of an addition rather than a replacement

I'm pretty sure most fertilisers you get come from either animal waste or petrochemicals

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