johnny skeptical - 1/14/2019 05:44 I think there are more than a few studies to show the obverse....I wouldn't think that there would be a lot of differences in the way OM is calculated, but most of the samples for a good number of years were from the same lab. There's more than one lab method to determine SOM. Find me a well-conducted study that shows SOM increasing with intensive tillage (plowing), without massive inputs of manure or other organic material. |