The green revolution succeeded in increasing the yield of crops mainly due to the use of

$I.$ improved varieties of the crops

$II.$ Agro-chemicals

$III.$ Better management practices

Choose the correct option.

  • A

    $I$ and $II$ only

  • B

    $I$ and $III$ only

  • C

    $II$ and $III$ only

  • D

    $I, II$ and $III$

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