What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medium, it promotes the growth of nitrogen fixing microorganisms. 3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time. Which of the statements given above is/ are correct?
1.1 and 2 only
2. 2 only
3.1 and 3 only
4.1, 2 and 3
Posted Date:-2022-01-28 08:55:52