Types of Biofertilizers


Types of Biofertilizers

The common microorganisms which have shown positive increase in crop yield and can possibly be used as Biofertilizers are as below: 

Contributing Plant Nutrient


Crop Benefited

A) Nitrogen

1) Symbiotic Organisms


a) Rhizobium (Symbiosis with Legumes)

Pulse Legumes: Chickpea, Pea, Lentil, Moong, Urad Bean, Pigeon Pea

Oil Legumes: Groundnut, Soyabean

Fodder Legume: Berseem, Lucern

b) Azolla (Water Fern) Azolla Ap. + BGA Symbiosis


2) Associative Symbiotic Organisms


a) Azospirillum

Sorghum, Perl Millet, Rice, Wheat, Finger Millet, Maize, Kodo Kutaki, Tomato, Chilli

3) Non Symbiotic Organisms


a) Azatobacter (Heterotrophs)

Cereals: Wheat, Rice, Maize, Sorghum, Sugarcane

Vegetables: Onion, Brinjal, Tomato, Cabage

Flowers: Chrysanthemum, Marygold

b) Blue Green Algai (Photoautotrophs)


B) Phosphorus

1. "P" solubilizers and mineralizers

For All Crops

a) Fungi – Aspergillus, Penicillum

b) Bacteria – Bacillus Psudomonas


2) "P" Absorbers (Root Fungus Symbiosis)

a) Versicular Arbuscular Mycorrhiza (VAM)

b) Ectomycorrhizae

c) Endomycorrizae Clomus

Linseed, Maize, Wheat, Soyabean

Leave a comment