Why do modern farming methods require more capital? Explain.

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Why do modern farming methods require more capital? Explain.
Yes, we agree that modern farming methods required more input which are manufactured in industry. The input requirements include chemical fertilizers , pesticides, High yielding (HYVs) of seeds. These can be produced only when they are produced by industry. There is a named IFFCO which is engaged in the production chemical fertilizers , pesticides etc.
Why do modern farming methods require more capital? Explain.