Agricultural microbiology Industrial microbiology 2 Soil microbiology 2 Sustainable agriculture 2 Agricultural biotechnology 1 Agricultural economics 1 Agricultural engineering 1 Agricultural entomology and nematology 1 Agricultural extension 1 Agriculture 1 Biochemical tests 1 Biofuels 1 Biogeochemistry 1 Biology of nitrogen fixation 1 Cancer 1 Cells of microrganisms 1 Culture media preparation 1 Cytology 1 Dairy Microbiology 1 Denitrification 1 Denitrifying microorganisms 1 Ectomycorrhizas 1 Endomycorrhizas 1 Environmental engineering 1 Fermentation 1 Food Microbiology 1 Gene expression 1 Genetic markers 1 Genetics and Molecular Biology of Microorganisms, (New March 2000) 1 Genomics 1