1 / 1

ORGANIC MATTER

GLOBAL WARMING. ATMOSPHERE. 3H 2 + N 2 2NH 3. N 2 O NO N 2. INDUSTRIAL FIXATION. LIGHTNING, RAINFALL. N2 FIXATION. PLANT AND ANIMAL RESIDUES. HABER BOSCH. SYMBIOTIC. NON-SYMBIOTIC. (1200°C, 500 atm). MESQUITE RHIZOBIUM ALFALFA SOYBEAN. BLUE-GREEN ALGAE

toyah
Download Presentation

ORGANIC MATTER

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. GLOBAL WARMING ATMOSPHERE 3H2 + N2 2NH3 N2O NO N2 INDUSTRIAL FIXATION LIGHTNING, RAINFALL N2 FIXATION PLANT AND ANIMAL RESIDUES HABER BOSCH SYMBIOTIC NON-SYMBIOTIC (1200°C, 500 atm) MESQUITE RHIZOBIUM ALFALFA SOYBEAN BLUE-GREEN ALGAE AZOTOBACTER CLOSTRIDIUM MATERIALS WITH N CONTENT > 1.5% (COW MANURE) MATERIALS WITH N CONTENT < 1.5% (WHEAT STRAW) FERTILIZATION PLANT LOSS AMINO ACIDS MICROBIAL DECOMPOSITION NH3 AMMONIA VOLATILIZATION IMMOBILIZATION AMINIZATION HETEROTROPHIC ORGANIC MATTER R-NH2 + ENERGY + CO2 BACTERIA (pH>6.0) FUNGI (pH<6.0) pH>7.0 R-NH2 + H2O AMMONIFICATION NH2OH IMMOBILIZATION R-OH + ENERGY + 2NH3 N2O2- Pseudomonas, Bacillus, Thiobacillus Denitrificans, and T. thioparus MICROBIAL/PLANT SINK 2NH4+ + 2OH- MINERALIZATION + NITRIFICATION FIXED ON EXCHANGE SITES +O2 NO2- Nitrosomonas DENITRIFICATION NO3- POOL NITRIFICATION 2NO2- + H2O + 4H+ OXIDATION STATES Nitrobacter + O2 DENITRIFICATION LEACHING LEACHING VOLATILIZATION NITRIFICATION ADDITIONS NH3 AMMONIA -3 NH4+ AMMONIUM -3 N2 DIATOMIC N 0 N2O NITROUS OXIDE 1 NO NITRIC OXIDE 2 NO2- NITRITE 3 NO3- NITRATE 5 Joanne LaRuffa Wade Thomason Shannon Taylor Heather Lees Department of Plant and Soil Sciences Oklahoma State University TEMP 50°F LEACHING LEACHING LOSSES OXIDATION REACTIONS LEACHING REDUCTION REACTIONS pH 7.0

More Related