aerobic agriculture analysis analytical azote bacteria bacterialgenetics bacterialphysiologicalphenomena biologiemoléculaire botanicalchemistry carbon chemistrytechniques congresses cropsandnitrogen cropyields denitrification effectofcarbonon effectofhumanbeingson effectofnitrateson environmentalaspects environmentalhealth etc experiments fertilizers fixation fixaçãodenitrogênio foodadditives forestecology forestmanagement general geneticengineering genetics genomas genomics handbooks health inoculation legumes manuals measurement metabolism microbialgeneticengineering microorganisms molecularbiology nature nitrates nitrifyingbacteria nitrites nitrogen-fixingmicroorganisms nitrogen-fixingplants nitrogenase nitrogencontent nitrogencycle nitrogenfertilizers nitrogenfixation nitrogeninagriculture oregon phosphorus physiologicaleffect plantphysiology plants qu55a5321970 qu55b963n1975 qu70 qu70b6151992 qu70c748g1977 qu70n7311981 qv156n278a1972 qz15w5161973r rhizobium rice soils soybean sustainableagriculture sustainabledevelopment symbiosis toxicology tropics tualatinriver w3ke433d1978n[qu70k431978n] waterpollution waterquality