heavy metalsheavy soilhematitehemic materialhemistsheterogenousheterotrophheterotrophic nitrificationhidden injuryhillhillyhistic epipedonhistonhistonichistosolshoeholozoichomogenoushoneycomb frosthorizonhosthuehuman induced salinizationhumic acidhumic gley soilhumic layerhumic mulchhumic substanceshumicolhumificationhuminhumiskelhumodshumoxhumultshumushumus formhumus layerhumus skeletonhydrated limehydrationhydraulic conductivityhydraulic gradienthydraulic headhydric layerhydric soilhydrocarbonshydrodynamic dispersionhydrodynamic dispersion coefficienthydrogen bond
