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| Before wide spread use of fertilizer, we used a 5 to 3 year rotation. Most farms had livestock to put manure on the ground or pasture was in the rotation so the livestock left the manure in the field.
We did not have the large cash grain fields of corn/soybeans that took nutrients from the fields. So tillage was done once in 3 to 5 years before the large use of fertilizer. Actually do to more tile and residue soil erosion management erosion has been greatly reduced and most nutrients are removed with the crop. Does not the fact that crop yields are 2 to 3 times better than they were before commercial fertilizer means that commercial fertilizer improved our soil. At least it improved the soils on the farm I grew up on. | |
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How AI defines regenerative farming
