Which of the following is NOT toxic to non-target organisms in the soil?
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A.
Fungicides
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B.
Organic fertilisers
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C.
Pesticides
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D.
Herbicides
Correct Answer:
B. Organic fertilisers
Explanation:
Organic fertilizers are the correct choice because they are composed of natural materials like plant residues and animal waste, which serve as a food source for soil organisms rather than being harmful to them. Unlike synthetic fungicides, pesticides, and herbicides, which are chemically formulated to eliminate specific pests or pathogens but can often unintentionally harm beneficial soil life, organic fertilizers enhance the soil food web. They promote biodiversity and improve soil health by providing essential nutrients and organic matter that support the growth of helpful bacteria, fungi, and earthworms.
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