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Biofertilizers and Their Role in Nutrient Management - Coggle Diagram
Biofertilizers and Their Role in Nutrient Management
Purpose
Enhance nutrient availability and plant growth
Meaning
Microbial inoculants containing beneficial microorganisms
Nature
Eco-friendly, renewable, and sustainable alternative to chemical fertilizers
Types of Biofertilizers
Nitrogen-Fixing Biofertilizers
Symbiotic: Rhizobium (Leguminous crops)
Non-symbiotic: Azospirillum, Azotobacter (Cereals, Vegetables)
Cyanobacteria: Blue-green algae, Azolla (Rice fields
Phosphate-Solubilizing Microorganisms (PSM)
Solubilize insoluble phosphate
Examples: Bacillus, Pseudomonas, Aspergillus
Potassium-Solubilizing Microorganisms (KSM)
Release K from minerals
Example: Bacillus mucilaginosus, Frateuria aurantia
Mechanism / Mode of Action
Nitrogen Fixation
Phosphate Solubilization
Nutrient Mobilization
Growth Hormone Production
Organic Matter Decomposition
Root Colonization
Role in Nutrient Management
Nutrient Supply
Soil Fertility Improvement
Chemical Fertilizer Reduction
Sustainability
Chemical Fertilizer Reduction
Environmental Protection