Irrigation Engineering Introduction

For an irrigation project, Culturable Command area (CCA) =

1
Culturable Command Area (CCA) = Gross Command Area (GCA)
2
Culturable Command Area (CCA) = Unculturable area - Gross Command Area (GCA)
3
Culturable Command Area (CCA) = Gross Command Area (GCA) + Unculturable area
4
Culturable Command Area (CCA) = Gross Command Area (GCA) - Unculturable area

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