Section 312IAC25-1-2. "A horizon" defined

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"A horizon" means the uppermost mineral layer and is the part of the soil in which the organic matter is most abundant and where the leaching of soluble or suspended particles is typically the greatest. (Natural Resources Commission; 312 IAC 25-1-2; filed Jun 21, 2001, 2:53 p.m.: 24 IR 3402, eff Dec 1, 2001; readopted filed May 29, 2007, 9:51 a.m.: 20070613-IR-312070146RFA; readopted filed Sep 19, 2013, 10:12 a.m.: 20131016-IR-312130125RFA)

                    
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