Resource Book on Horticulture Nursery Management

� Improves the seed germination as microbes synthesize growth promoting substances.
It is a cheap source of meeting crop nutrient requirement partially.
Disadvantages of Biofertilizers
� Biofertilizers alone cannot satisfy the total nutrient requirement of crops.
� Proper precautions should be taken while purchasing, storage, using the
biofertilizers.
� Biofertilizers are not easily available in the local markets and there is a risk of
obtaining substandard quality of biofertilizers from the market.
Types of Bio Fertilizers & Beneficiary Crops
Bio Fertilizers Beneficiary Crops
Rhizobium Crop specific bio fertilizers for legumes like Groundnut,
Soybean, Red gram, Black gram, Green gram, Cow pea,
Yard long bean.
Azotobacter Cotton, Mulberry, Plantation crops, Barley, Ragi, Jowar,
Mustard, Safflower, Niger, Sunflower, Tobacco, Vegetables,
Spices, Condiments, Ornamental flowers.
Azospyrillum Sugarcane, Vegetables, Maize, Pearl Millet, Rice, Wheat,
Fodder crops, Oil seeds, Fruit and Flower.
Blue Green Algae Rice
Azolla Rice
Phosphate Solubalizing
Microorganisms
3.3 Glossary
All crops.
Biofertilizers: Preparations containing live or latent cells of efficient strains of nitrogen
fixing, phosphorus solubilizing or cellulytic microorganisms used for application of
seed, soil or composting with objective of increasing the numbers such
microorganisms and accelerate microbial processes to augment the extent of the
availability of nutrient in a form that can be easily assimilated by plants.
Compost: Compost is a combination of decomposed plant and animal materials and
other organic materials that are being decomposed largely through aerobic
decomposition.
Essential Plant Nutrient: A nutrient essential for proper growth and development of
plants.
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