Biofertilizer

Biofertizer:

Biofertizer are living organisms or bioinoculants which have got the capacity to convert unavailable form of plant nutrient to available form of nutrient for plant use.

1) These groups are self generating sources .

2) These groups can be nutrient fixer , nutrient Solubilizer or nutrient mobilizes.

3) These organisms secrete hormones or growth promoting substances for better yield.

4) Secretion of antibiotics by these organisms is utilised for disease control.

5) Use of these organisms are eco-friendly.

Types of Biofertizers / Classification of Biofertizers:

1)Nitrogen Fixer

2) Phosphate Solubilizer and mobilizer

3) Compost accelerators and enriches

1) Nitrogen Fixer:

1)Symbiotic Nitrogen Fixer: 

These microbes fix atomospheric nitrogen with symbiotic association.

a) Rhizobium is host specific and they fix nitrogen with symbiotic association with host plant .

It is recommended for leguminous pulses and oilseeds

b) Azolla( Azolla and Anabena azollae)

2) Associative symbiotic Nitrogen fixer

a) Azospirilluum

3) Non Symbiotic Nitrogen fixer:

a) Azotobacter

b) Blue green algae

2.Phosphate Solubilizer and mobilize :

Covert of fixed form phosphorous to available form.

It includes

Bacillus , Pseudomonas or fungi such as Aspergillus , penillum

Phosphate mobilizing Biofertizer includes 

VA- mycorrhizal fungi such as , 

Blomus , Gigaspora

3) Compost accelerators and enrichers: Decomposition of essentially a microbiological process accomplished by the combined activity of bacteria, fungi , actinomycetes and protozoa.

Species of Trichoderma , Penicillium , Aspergillus, are the compost accelerators.

Advantages of Biofertizer Application:

1) It is low cost input for crop production.

2) It is pollution free input

3) It is an energy conserving input in agriculture.

4) It is helpful for quicker decomposition.

5) It maintains soil health without creating any environmental pollution.

6) This input reduces the underground water pollution

7) It secretes some hormone and growth regulator which indirectly helpful for higher crop production.

8) Plant nutrient release from Biofertizer available to the plant slowly.

9) It secretes some antibiotics which reduces crop diseases.

✍️ Agricoss Vaishnavi Nimkar

Mob.No- 7666441799