Question
What is the use 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 statement given above is/are correct?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
Answer:
D
To suggest corrections, send feedback using feedback button in top menu.
To suggest corrections, use feedback icon on top menu.
Explanation:
1. Statement 1 is correct. It can enhance soil structure, water-holding capacity, and nutrient availability in the growing medium, making it suitable for vertical farming.
2. Statement 2 is correct. These bacteria play a crucial role in converting atmospheric nitrogen into a form that plants can utilize, thus promoting plant growth.
3. Statement 3 is correct. Biochar has excellent water retention properties due to its porous structure. When incorporated into the growing medium, it helps retain water for a longer time, reducing the frequency of irrigation and improving water availability to plants.