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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.
Why are manures and fertilizers used in fields?
Compare the use of manures and fertilizers in maintaining soil fertility.
What are fertilizers ? Classify fertilizers.
How does excessive irrigation lead to soil salinity ?
Distinguish between mixed cropping and intercropping.
Describe the biological method of weed control.
Explain the methods of controlling insect pests.
Distinguish between fertilizer and manure. Give suitable examples. What are advantages and disadvantages of using fertilizer?
Differentiate between the following
Mixed cropping and Intercropping
