humodshumoxhumultshumushumus formhumus layerhumus skeletonhydrated limehydrationhydraulic conductivityhydraulic gradienthydraulic headhydric layerhydric soilhydrocarbonshydrodynamic dispersionhydrodynamic dispersion coefficienthydrogen bondhydrogenic soilhydrologic cyclehydrologyhydrolysishydromorphic soilshydrophilichydrophobichydrophobic soilshydrophytehydroseedinghydrous micahydroxidehydroxy interlayeredhygroscopic coefficienthygroscopic waterhymatomelanic acidhyperaccumlatorhyperthermichyphahypo coatingshypoxichystersis
