Where can I find the organic matter content (%) to compute the Soil Erodibility Factor S ?
I tried the HWSD database, but it only provides the % of Organic Carbon.
Thanks!
The values of soil susceptibility index (K, t ha ha / ha MJ mm) are calculated using the Wischmeier nomenclature and others. (1971), presented analytically by the formula:
K = 2.77 10-7 M 1.14 (12 - a) + 0.0043 (b - 2) + 0.0033 (4 - c)
where: M = [% (0.1-0.002)] [100 -% (
Are there any database (Acgis, HWSD) that provide the percentage of organic matter;
There needs to be analysis on the spot to get the% of the organic matter. In addition it is variable according to the Cultures and amendment
I can retrieve the organic carbon (% of weight) - see bottom right of the screenshot attached from the HWSD database.
How can I convert it to percentage of organic matter (a) ?
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