Dear AD
>Char can affect soil characteristics like soil texture, water holding capacity, density, degree of compaction, etc. And >If one wants to extract some energy out of biomass before putting it into soil, one should convert biomass into biogas and apply the effluent to the soil. So it seems we need to check what the comparative advantages of biogas slurry and biochar are. Perhaps both would help. I have not heard of a negative result from adding slurry. Regards Crispin
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