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Question
Which of the following increases the nitrogenous content in soil?
Which of the following increases the nitrogenous content in soil?
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Solution
The correct options are
A Bacterial culture
B Blue-green algae
C Leguminous crops
∙ Nutrients present in the soil are consumed by plants and are replenished or returned to the soil in many different ways.
∙ When cereals are cultivated more nutrients are utilised, whereas leguminous crops when grown replenishes the nitrogen content in the soil with the help of microorganisms present in their root nodules.
∙ Bacterial cultures are also available, which when mixed with the seeds aids in producing more nodules in their roots and helps in more nitrogen fixation.
∙ There are various kinds of blue-green algae that add nitrogen to the soil.
A Bacterial culture
B Blue-green algae
C Leguminous crops
∙ Nutrients present in the soil are consumed by plants and are replenished or returned to the soil in many different ways.
∙ When cereals are cultivated more nutrients are utilised, whereas leguminous crops when grown replenishes the nitrogen content in the soil with the help of microorganisms present in their root nodules.
∙ Bacterial cultures are also available, which when mixed with the seeds aids in producing more nodules in their roots and helps in more nitrogen fixation.
∙ There are various kinds of blue-green algae that add nitrogen to the soil.
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