Of the incident solar radiation,__$(A)$__ is photosynthetically active radiation $\text{(PAR)}$. The correct option for the above blank '$A$' is:

  • A
    More than $50 \%$
  • B
    Less than $50 \%$
  • C
    $1-5 \%$
  • D
    $2-10 \%$

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