A duripan is a diagnostic soil horizon of the USDA soil taxonomy that is cemented by illuvial silica into a subsurface hardpan. Similar to a fragipan...

that restrict water flow and root penetration. Fragipans are similar to a duripan in how they affect land-use limitations. In soil descriptions, they are...

centimeters to several meters. It is a general term (not to be confused with duripan) for a zone of chemical precipitation and hardening formed at or near the...

extensive and / or intractable the hardpan is. Caliche Claypan Duricrust Duripan Fragipan Forestiere Underground Gardens "Resounding Soils" (Web). Auburn...

organic matter is scarce. They may have subsurface zones of caliche or duripan. Many aridisols have well-developed Bt horizons showing clay movement from...

BQM or Bqm can refer to: Kpwe language, spoken in Cameroon Duripan, a type of very hard soil often denoted as Bqm Bin Qasim railway station, a train station...

becomes cemented into a hardpan. Petrocalcic horizons are similar to a duripan (ST – WRB: petroduric horizon) and a petrogypsic horizon (WRB) in how they...

concretions (durinodes – duric horizon) or as a continuously cemented layer (duripan – hardpan (Australia) – dorbank (South Africa) – petroduric horizon). The...

horizon Anhydric horizon Argillic horizon Calcic horizon Cambic horizon Duripan layer Fragipan layer Glossic horizon Gypsic horizon Kandic horizon Natric...

subsoil is brown clay. Substratum is light brown and brown, indurated duripan with 70 to 90 percent silica-sesquioxide cementation. The bill that designated...