Science, asked by sunny301354, 4 months ago

Figure below shows the two crop fields (Plot A and Plot B) have been treated by
manures and chemical fertilizers respectively. Keeping other environmental factors same
observe the graph and answer the following question

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Answers

Answered by bmuthumanikandan5

6

Answer:

With addition of chemical fertilizers there is sudden increase in yield due to release of nutrients N, P, K etc. in high quantity which are absorbed by the roots quickly. The gradual decline in the graph may be due to continuous use and high quantity of chemicals which kill microbes useful for replenishing the organic matter in the soil. This decreases the soil fertility.

Answered By B.Muthu Manikandan

Answered by sukhmansinghsukhmans

1

Answer:

keeping the part of crop field

chemical fertilizer respectively environment

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