Aditya has grown a few groundnut plants in the backyard. Is he growing a crop? (HOTS)
Answers
Answer:
yes he is growing a crop .
Answer:Yes
Explanation:
After planting rice one season, a farmer planted groundnuts the next season. Why?
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Crop rotation. When a plant grows, it constantly sucks few nutritions (depends on plant) from soil. After harvesting that crop, those nutrients may not be available in soil. To bring it back, crops are rotated periodically.
Then why groundnut in particular?
Did you ever observed this nodules in groundnut root?
Thanks to rhizobia, a bacteria. First it infects groundnut root and help to convert atmospheric Nitrogen (N2) to N. Plants cannot use Nitrogen available in air directly. It must converted to use. Rhizobia helps to do natural conversation of Nitrogen. So it not only makes plant to get nitrogen but also Nitrogen traces are left in soil even after harvesting crop.
So it suggested to rotate crop regularly with groundnut in general as it brings back Nitrogen in soil.
Importance of Nitrogen in soil:
Nitrogen is major part of cholophyll.
It is responsible for vigorous growth of plant.
Plants need nitrogen to develop large, deep green leaves and strong stem growth.