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Post a LessonAnswered on 08/09/2023 Learn CBSE/Class 9/Science/Unit 5- Food Production/Improvement in food resources
Ronita Biswas
Private tutor for class10 to MSc levels.
Fertilizers are inorganic salts, when used in excess can alter the ph of the soil which can further affect plant and animal life.
Fertilizers are chemicals hence when they are sprayed, the fumes can be inhaled by the person applying them or swallowed. In either case fertilizer accumulation in the body can be toxic and detrimental to the health of farmers.
Fertilizers can also leach through the soil layers and contaminate ground water. In case of surface runoff, fertilizers can deposit in nearby lakes and rivers hence degrading the water quality.
Fertilizers are usually rich in Nitrogen and if they contaminate nearby lakes, they can lead to algal bloom, thus making the water body eutrophic
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