ECOLOGY
CHEMICAL CYCLES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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dumping/spraying of fertilizers
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dumping of GMO’s
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spraying organic fertilizers
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spraying GMO’s on soil
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Detailed explanation-1: -Excessive fertilizer applications can lead to high concentrations of nutrients in the soil and the nutrients not taken up by plants are prone to leaching. Nutrient leaching losses can affect groundwater and freshwater systems in various ways.
Detailed explanation-2: -A-Runoff is surface flow from precipitation, leaching is flow into or out of the ground. Larger soil particle size means higher leaching and less runoff and vice versa.
Detailed explanation-3: -In agriculture, leaching is the loss of water-soluble plant nutrients from the soil, due to rain and irrigation. Soil structure, crop planting, type and application rates of fertilizers, and other factors are taken into account to avoid excessive nutrient loss.
Detailed explanation-4: -Leaching is also known as solid-liquid extraction, lixiviation, washing etc. Leaching is a mass transfer process which takes place through the extraction of a substance from a solid material that has come into contact with the liquid.