complex organo mineral materialcomponent soilcompostcompound coatingcompressibilitycompressibility indexconcentrated flowconcrete frostconcretionconcretion micromorphologicalconduction heatcone indexcone penetrometerconformityconglomerateconiaticconidiumconjugated metabolitesconservation standardsconservation tillageconsistenceconsistency constantsconsolidateconsolidation testconstant charge surfaceconstant potential surfaceconstitutive enzymeconstructional surfacecontact anglecontaminationcontentcontinuous orientationcontinuous permafrostcontourcontour ditchcontour farmingcontour floodingcontour furrow irrigationcontour intervalcontour strip croppingcontour tillagecontrasting soilcontrasting texturecontrol section soilcontrolled trafficconvectionconventional tillageconversioncopiotrophscoppice mound