UPSC PRELIMS · GEOGRAPHY · ENVIRONMENT — BIOCHAR
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?
Take a breath. Choose one. Press A–D on your keyboard if you like.
EXPLANATION
Biochar can be incorporated into growing media, support beneficial microbial activity and improve water retention.
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