Nitrogen Cycle Kit
A collection of nine investigations for students enabling them to follow those transformations occuring in the soil which result in the recycling of nitrogen and the maintenance of fertility.
• Nitrogen fixation by Azotobacter and Rhizobium
• Hydrolysis of proteins - gelatin - casein - blood protein
• Deamination of peptone
• Oxidation of ammonia and nitrite
• Denitrification of Nitrate