here is another one:
agriculture is limited by space, and soil health is important
oxisols most prevalent, least useful (wiki on soil order types)
research idea would be to find the right biological helpers to remove/aggregate metal oxides and rehab soil(?)
https://www.sciencedirect.com/science/article/abs/pii/B9780323904100000052
nostr:note1ksjrq5lslqsn48hs7y3jxngc4kpkhw4ww356fwcgqxzka44tpflqekly03