Advertisements
Advertisements
प्रश्न
State any three benefits of Biofertilizers.
Write the benefits of biofertilizer.
Advertisements
उत्तर
- Low cost and can be used by marginal farmers.
- Free from pollution hazards.
- Increase soil fertility.
- BGA as biofertilizers secret growth promoting substances, organic acids, proteins and vitamins.
- Azotobacter supply nitrogen and antibiotics in the soil.
- Biofertilizers increase physico-chemical properties of soil- like texture, structure, pH, water holding capacity of soil by providing nutrients and organic matter.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.
How do biofertilisers enrich the fertility of the soil?
What are 'biofertilizers'? Explain them with suitable examples.
______ are nitrogen fixing micro-organisms.
Some blue-green algae are used as bio fertilisers of their ______.
Azolla is used as biofertiliser because it ______.
Which of the following bacteria do not solubilize the insoluble rock phosphate?
How many statements are true about biofertilizers?
- They are nitrogen fixers.
- They are commercial preparation of live bacteria and fungi.
- Use of biofertilizers is expensive.
- There is only one type of biofertilizer.
- They are classified as inorganic.
What is the Greek etymological origin of the term 'mycorrhiza'?
Which biofertilizer component is most effective for enhancing phosphorus and mineral absorption while providing pathogen protection?
