4 ms·
wow. that took a real turn! Using coal to amend soil. I have some serious question about the heavy metal contamination that might result, given that both Lead
by chrisbrandow 2y ago
wow. that took a real turn! Using coal to amend soil.
I have some serious question about the heavy metal contamination that might result, given that both Lead and Mercury occur at ~ PPM levels, not to mention Chromium.
- bitshiftfaced 2y agoIt reminds me of how, originally, Ironite (a soil amendment) was found to contain massive amounts of lead because they were using recycled mine tailings.