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Ag Lime Ag-Lime Advisory Council People Financial Reports Soil Test Interpretations and Recommendations Historical Reports Contact us
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Mission Ag Lime Control Service carries out the day-to-day administration of the Missouri Ag Liming Materials Law and Rules. With responsibility for the Ag Liming Materials Law since 1976, these activities are assigned to us by the Director of the Missouri Agricultural Experiments Station and include all the provisions included in the sections describing the Powers of the Director with the exception of making analyses. Our offices are currently located at 3600 E. New Haven Road on South Farm in Columbia. Our field inspection staff of eight, who work out of their homes within their assigned territory, administers the field components of the laws. The office portion is accomplished by one manager. It is our goal to emphasize the "Service" portion of our department name. So, if we can be of further service, please do not hesitate to call, write or contact us by email.
Ag Liming Material investigational allowances are 90 %
passing a U.S. #8 sieve and calcium carbonate equivalent
(CCE) 65% minimum.
Sieve sizes used to determine effectiveness of the material
are #8, #40, and #60. Effective Neutralizing Material
(ENM) is calculated by assigning values to the retained
portions. Material retained on the #8 has no value,
material retained on #40 is allowed 25%, material retained
on #60 is allowed 60%, while material passing the #60 is
allowed 100%. These assigned percentages are added in the
collected term, Fineness Factor (FF). ENM for the
individual sample is calculated:
% CCE FF
ENM = --------- X --------- X 800
100 100
Effective Magnesium (EMg) content is calculated:
% Mg FF
EMg = --------- X --------- X 2000
100 100
Stockpile rolling average is calculated by averaging the
last three samples secured from the sampled stockpile.
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