An irrigation stream of $27 \mathrm{~L} \mathrm{~s}^{-1}$ is diverted to a check basin of size $12 \mathrm{~m} \times 12 \mathrm{~m}$. The water holding capacity of the soil is $15 \%$ and the average soil moisture content in the crop root zone prior to applying water is $7.5 \% .$ The depth of crop root zone is $1.2 \mathrm{~m}$ and apparent specific gravity of the soil is $1.5 .$ Assuming no loss due to deep percolation, irrigation time (in minute) required to replenish the root zone moisture to its field capacity is____________

An irrigation stream of $27 \mathrm{~L} \mathrm{~s}^{-1}$ is diverted to a check basin of size $12 \mathrm{~m} \times 12 \mathrm{~m}$. The water holding capacity of the soil is $15 \%$ and the average soil moisture content in the crop root zone prior to applying water is $7.5 \% .$ The depth of crop root zone is $1.2 \mathrm{~m}$ and apparent specific gravity of the soil is $1.5 .$ Assuming no loss due to deep percolation, irrigation time (in minute) required to replenish the root zone moisture to its field capacity is____________

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