1. Shale that is rich in humic acids

Type of: humate, shale

• semblance
• sememe
• semen
• semester
• semester hour
• semestral
• semestrial
• semi
• semi-abstraction
• semi-automatise
• semi-automatize
• semi-climber
• semi-climbing
• semi-detached house
• semi-dry
• semi-erect
• semi-evergreen
• semi-processed
• semi-prostrate
• semi-retired
• semi-skimmed milk
• semi-sweet chocolate
• semi-tuberous
• semi-upright
• towage