Soil Fertility
Trending Questions
Q.
How do biofertilizers enrich the fertility of the soil?
Q.
Write two potassium fertilizers.
Q. Which of the following nutrients are present in the organic matter that are necessary for plant growth?
- Nitrogen
- Chlorine
- Potassium
- Phosphorus
Q. Which of the following attributes to differentiate fertilisers and manure?
- Increase in crop yield.
- Direct cause of water pollution.
- Increased water holding capacity of soil.
- Improvement of soil structure.
Q.
Match the items in Column I with as many items as possible in Column II.
- Raddiwalas
- Manure
- Sugarcane
Q.
How nutrients are replenished in the soil?
Q.
During composting, the pit is filled with:
Refuse
Mud
Cow dung
Plastic particles
Q. Farmers generally use fertilizers to correct soil deficiencies.
- True
- False
Q.
There are lots of disadvantages of fertilizer so why scientists mads this?
Q. Why do humans need soil bacteria?
Q.
Which of the following are bacterial biofertilisers?
Rhizobium
Azotobacter
Azolla
Azospirillum
Q.
Which one of the following nutrients is not available in fertilizers?
Nitrogen
Phosphorus
Iron
Potassium
Q. What tecnique is used for recycling food scraps?
- Pulverization
- Worm compositing
- Landfill
- Incinertion