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 ?
a
1 and 2 only
b
2 only
c
1 and 3 only
d
1, 2 and 3
Agriculture - Sustainable FarmingBiochar Applications in FarmingBiocharfarmingvertical farminggrowing mediumnitrogen-fixing microorganismsretain water