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what are the advantages and disadvantages of biofertilizers?
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Answer Posted / shakoor
Avantages
• harnesses atmospheric nitrogen and makes it
available directly to the plants.
• increases phosphorus uptake by solubilising and
releasing unavailable phosphorus.
• enhances root proliferation due to release of
growth promoting harmones.
• increases the crop yields by 10 – 25 %.
• improves soil properties and sustain soil
fertility.
• are cost effective and environment friendly.
• benefit to cost ratio of biofertilizers is fairly
high.
Disadvantages
1. On account of quality of product
o Use of ineffective strain.
o Insufficient population of microorganisms.
o High level of contaminants.
2. On account of inadequate storage facilities
o May have been exposed to high temperature.
o May have been stored in hostile conditions.
3. On account of usage
o Not used by recommended method in appropriate doses.
o Poor quality adhesive.
o Used with strong doses of plant protection
chemicals.
4. On account of soil and environment
o High soil temperature or low soil moisture.
o Acidity or alkalinity in soil.
o Poor availability of phosphorous and molybdenum.
o Presence of high native population or presence of
bacteriophages.
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