Things like soil organic carbon (SoC) are commonly used measures of progress. Also things like humic acid and other secondary measures of biological can be used

Things like soil organic carbon (SoC) are commonly used measures of progress. Also things like humic acid and other secondary measures of biological can be used. No two patches of 'good' soil are the same, so there is some intuition involved I try and blog a little bit about sustainable ag on thinkingagriculture.io as I work in ag research and am interested in how this meta evolves.