Slide 1 Slide 2 Unit II Metal ions in Biological systems Dr. SS. Vutukuru, M.Tech., Ph.D, PG DEM Slide 3 Nitrogen Fixation Slide 4 Sources Lightning Inorganic fertilizers…
Slide 1 Slide 2 BIOGEOCHEMICAL CYCLES Slide 3 ‘ Fundamentals ’ of biogeochemical cycles All matter cycles...it is neither created nor destroyed... As the Earth is essentially…