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Engineering Exams RRB-JE Civil and Allied Engineering General Abilities 2025 20.04.25 Paper-2 Shift-1 Easy +1 -0.33
Which of the following is NOT toxic to non-target organisms in the soil?
Correct Answer: A. Organic fertilisers
Explanation: The correct answer is Organic fertilisers. Organic fertilizers are composed of natural substances like compost, manure, and bone meal, which break down to enrich the soil with essential nutrients. Unlike chemical pesticides, herbicides, or fungicides, which are designed to eliminate specific pests but often harm beneficial soil life, organic fertilizers support a healthy ecosystem. They promote the growth of helpful microorganisms and earthworms, improving soil structure and long-term fertility without introducing toxic chemicals that could disrupt the broader environment or contaminate water sources.
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