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Agricultural Microbiology

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Plant Growth-Promoting Rhizobacteria (PGPR)

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Beneficial bacteria that colonize plant roots and stimulate growth by various direct and indirect mechanisms.

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Biostimulants

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Substances or microorganisms applied to plants or soils to improve vigor, yields, and stress tolerance, without being fertilizers themselves.

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Rumen Microbiology

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Study of microorganisms in the rumen of ruminants that aid in the digestion of cellulose and other complex carbohydrates.

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Decomposition

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Breakdown of organic matter by microorganisms, recycling nutrients back into the ecosystem.

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Biocontrol Agents

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Microorganisms used to combat agricultural pests and diseases, minimizing the use of harmful chemicals.

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Nitrification

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The microbial conversion of ammonia to nitrate, an important step in nitrogen cycling in soil.

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Rhizosphere

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The soil region immediately surrounding plant roots that is influenced by root secretions and associated microbial activity.

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Nitrogen Fixation

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The process by which atmospheric nitrogen is converted into ammonia by the action of diazotrophs, benefiting plant growth.

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Phosphate Solubilization

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Conversion of insoluble phosphates to soluble forms by microbial action, making it accessible to plants.

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Soil Microbial Diversity

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The variety of microscopic organisms in soil that contribute to nutrient cycling, soil structure, and plant health.

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Actinomycetes

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A group of filamentous bacteria known for their role in soil health and as a source of antibiotics, which can protect crops from pathogens.

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Biopesticides

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Biological agents used to control agricultural pests, reducing reliance on chemical pesticides.

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Composting

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The aerobic decomposition of organic matter by microorganisms, resulting in the production of a nutrient-rich soil amendment.

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Biofertilizers

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Microbial inoculants that enhance nutrient supply to crops, promoting sustainable agriculture.

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Silage Fermentation

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The process by which microbes anaerobically convert plant materials into stable and nutritious feed for livestock.

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Bacterial Wilt

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A plant disease caused by bacterial pathogens such as Ralstonia solanacearum, leading to wilting and often death of affected plants.

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Mycorrhizal Symbiosis

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A mutualistic association between fungi and plant roots that enhances nutrient and water uptake.

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Legume-Rhizobium Symbiosis

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The mutualistic relationship between leguminous plants and Rhizobium bacteria that results in the fixation of atmospheric nitrogen.

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Bioremediation

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The use of microorganisms to remove pollutants or contaminants from soil and water, improving agricultural land quality.

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Methanogens

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A group of archaea responsible for producing methane, particularly in the digestive systems of ruminants, affecting greenhouse gas emissions.

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