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?

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 … Which of the statements given above is/are correct? — UPSC Prelims 2020 Answer & Explanation

Environment & Ecology2020

What is the use of biochar in farming?

Biochar can be used as a part of the growing medium
When biochar is a part of the growing medium, it
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?

Explanation

All three statements about the use of biochar in farming are correct. Biochar serves as an excellent component of the growing medium due to its ability to enhance soil fertility and structure, promoting the growth of beneficial nitrogen-fixing microorganisms which contribute to soil health and nutrient cycling. Additionally, biochar's porous structure improves water retention in the growing medium, reducing irrigation needs and increasing resilience during dry conditions. These properties of biochar align with sustainable agricultural practices aimed at improving productivity while mitigating environmental impacts, making it a key focus area for agricultural innovation and policy discussions in contexts like UPSC examinations.

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