state gov UPSSSC Agriculture Technical Assistant Mock Test 2024 Current Affairs Business and Economy
Consider the following statements regarding Bio-Fertilizers:
1. They are live microbial products that do not contain any nutrients.
2. The micro-organisms present in the bio-fertilizer ensure the availability of nutrients from non-available form present within soil and air to available form which plants can uptake.
3. Bio-fertilizers can improve crop yields by 10-25% and supplement chemical fertilizers.
Which of the above statements are correct?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3