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Which one of the following nutrients is not available in fertilizers?
In agricultural practices, higher input gives higher yield. Discuss how?
Among the given options, which one is not correct for the use of large amount of fertilisers and pesticides?
Why is excess use of fertilizers detrimental for environment?
Figure15.1 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.
A soil sample has adequate water holding capacity but is deficient in phosphorous and potassium. Which of these would improve the quality of crops grown in that field?
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