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प्रश्न
During the downpour in a village, the rain water carried away excess of nitrogenous and other compounds present in the soil to a pond. How will they affect the growth of algae and phytoplankton in the pond ?
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उत्तर
A sudden increase in the nitrogen and other soil compounds in the pond will lead to an increase in the population of algae and phytoplanktons (bloom of algae or bloom of phytoplanktons) as they nitrify very quickly and multiply. This will, eventually, alter the population of other organisms present in the pond.
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संबंधित प्रश्न
Compare the use of manure and fertilizers in maintaining soil fertility.
What is green manuring?
Give a short account of biofertilizers.
Mention three effects of excessive irrigation.
Explain advantages of irrigation.
Explain the methods of controlling insect pests.
Explain various types of irrigation systems in India.
Compare between mixed cropping and intercropping.
Which one is not a source of carbohydrates?
If there is low rainfall in a village throughout the year, what measures will you suggest to the farmers for better cropping?
