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Intrusion into the Nitrogen Cycle:
Human intervention can disturb the nitrogen cycle. Let us see how. When we grow and harvest crops. there is loss of nitrogen from the soil, as it is utilised in the building up of plant body. Similarly, harvesting of timber results in heavy outflow of niirogen from our forest ecosystem. You may say that we can compensate for the loss of nitrogen by adding commercial fertilisers to our fields or by large scale cultivation of nitrogen-fixing plants. Yes. you'are right. so long as the right type of fertilisers are applied in proper quantities. Heavy addition of commercial fertilisers cause excessive build up of nitrogen in the soil and groundwater, and nutriept enrichment of rivers, lakes etc. Automobile and industrial exhausts add nitrogen oxides, especially nitrogen dioxide, at an alarming rate to the atmosphere. Nitrogen dioxide reactg with moisture in the atmosphere to form weak nitric acid, which is carried to the soil dyring rainfall, and ultimately to the water table. The results of nutrient enrichment of rivers, lakes etc; presence of excessive nitrogen oxides in the atmosphere; and the excessive formation and addition of nitric acid to the soil.
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Labels and Packaging's : In order to minimise the hazards associated with using a particular substance it is necessary to know what the precise dangers are. The label on the conta
Mr. X's Working Memory Index (WMI) is interpretable; the components do not vary significantly, so his WMI score can be interpreted as a single construct. WMI includes three tasks.
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Malnutrition and ill health: Are you familiar with the term malnutrition? Malnutrition means either lack of sufficient food or imbalance of nutrients in the diet, resulting in
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Explain in brief about the Crop Rotation 1. Deep rooted legumes may be grown periodically over all fields. 2. There is more continuous vegetative cover and probably less e
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