Q. Bio fertilizer means...... (Solved)
1. Crop which shows rapid growth
2. Cow dung and agricultural west
3. prepared by Anabaena and Nostoc
4. None of them
- c. prepared by Anabaena and Nostoc
1. Crop which shows rapid growth
2. Cow dung and agricultural west
3. prepared by Anabaena and Nostoc
4. None of them