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Questions and Answers
What is the main purpose of biofertilizers?
What is the main purpose of biofertilizers?
- To improve soil fertility and crop productivity (correct)
- To increase water retention in the soil
- To control pests and diseases in crops
- To provide structural support to plants
Which microorganism is commonly used in biofertilizers to fix atmospheric nitrogen?
Which microorganism is commonly used in biofertilizers to fix atmospheric nitrogen?
- Mycorrhiza
- Rhizobium (correct)
- Bacillus thuringiensis
- Azotobacter
What is the role of phosphate-solubilizing bacteria in biofertilizers?
What is the role of phosphate-solubilizing bacteria in biofertilizers?
- To reduce the acidity of the soil
- To make phosphorus more available to plants (correct)
- To increase nitrogen content in the soil
- To enhance root growth in plants
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