The figure shows two crop fields (plots A and B) have been treated by manures and chemical fertilizers respectively, keeping other environmental factors the same. Observe the graph and answer the following question.

Why is the highest peak in plot A graph slightly delayed?

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Solution

Manures decay slowly so that release of minerals is also delayed. Manures take time to mix up with the soil and form crumbs, that increase water holding and aeration of the soil.

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Question 48
The below figure shows the two crop fields [Plots A and B] have been treated by manures and chemical fertilizers respectively, keeping other environmental factors same. Observe the graph and answer the following questions.

(i) Why does plot B show sudden increase and then gradual decrease in yield?
(ii) Why is the highest peak in plot A graph slightly delayed?
(iii) What is the reason for the different pattern of the two graphs?

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(i) Why does plot B show sudden increase and then gradual decrease in yield?

The following figure shows the two crop fields (Plots A and B) have been treated by manures and chemical fertilisers respectively, keeping other environmental factors the same. Observe the graph and answer the following questions.

Why does plot B show a sudden increase and then a gradual decrease in yield?

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Which peak is the second highest?

Explain what will happen if in a cultivated field only manures are supplied and in another field only fertilizers are supplied, keeping all other conditions similar.

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The figure shows two crop fields (plots A and B) have been treated by manures and chemical fertilizers respectively, keeping other environmental factors the same. Observe the graph and answer the following question.Why is the highest peak in plot A graph slightly delayed?

Manures decay slowly so that release of minerals is also delayed. Manures take time to mix up with the soil and form crumbs, that increase water holding and aeration of the soil.

The figure shows two crop fields (plots A and B) have been treated by manures and chemical fertilizers respectively, keeping other environmental factors the same. Observe the graph and answer the following question.

Why is the highest peak in plot A graph slightly delayed?