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Biomass may not be as sustainable as it's billed.
As organic farmers we focus on building nutrients in the soil so our crops continue to thrive. Plants grow out of the soil; each plant takes and holds some of the minerals present in that soil. When harvesting biomass, over time you will strip the soil of its mineral and nutrient bank, leaving behind weak soil. Weak soil will not continue to produce big crops.
This is a problem throughout agriculture, not paying attention to building soil that sustains life. It's short sighted to look at what we can use today without thinking of what the payback is in the long term. Even using slash from forest cutting is short sighted. Leaving it in place to rot back into the soil is how soil renews itself.
I'm NOT in favor of coal in the slightest, but stripping the soil of its life force and expecting it to keep on producing doesn't seem like a bright idea either.
posted 2 years, 2 months ago
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