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This graph shows the variability we have found in our Soil Organic Matter (SOM) data for 58 sites over the last 3 years. The 58 sites are each represented by a triplet of data points connected by a vertical black line. Each site’s linked data points include a blue square for SOM in 2019, a red circle for SOM in 2020 and a green triangle for SOM in 2021.
According to the literature, Soil Organic Matter is supposed to be quite stable and very difficult to change, and yet this graph shows large swings in individual growers` SOM data from year to year. We have found similar variability in other soil health indices as well. We are analyzing our data and collection protocols to understand the sources of this variability. More data from upcoming years will help in this effort. Comments are closed.
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AuthorElizabeth Black is the producer of the Citizen Science Soil Health Project Archives
March 2024
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The Citizen Science Soil Health Project 4340 N 13th St. Boulder, CO 80304 Elizabeth@ElizabethBlackArt.com |