Statement 1. Biofertilizers or bio-inoculants contain microorganisms that supply nutrients, especially nitrogen and phosphorus.
Statement 2. Biofertilizers can be applied through seed or soil application.
Statement 3. biofertilizers are used for reducing the amount of chemical fertilizers.
Statement 4. Frankia is not an example of biofertilizers.
Choose the correct statements
1
1 and 2
2
1 and 3
3
1, 2 and 3
4
1,2, 3 and 4