ESTIMATION OF CROP WATER REQUIREMENT USING CROPWAT SOFTWARE IN APPAPURAM CHANNEL COMMAND UNDER KRISHNA WESTERN DELTA
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 31
Abstract
Crop water requirements of crops in Appapuram Channel Command under Krishna Western Delta were computed with CROPWAT using the meteorological parameters. The major cultivated crops are rice and maize. The total water requirement for these crops has been computed. The CROPWAT a computer simulation model was used to estimate crop water requirement in Appapuram Channel Command under Krishna Western Delta in Andhra Pradesh for the years 2000 to 2010. The Penman – Monteith method was used for evapotranspiration calculation in the model. It was estimated that the gross water requirement for Appapuram Channel Command area to irrigate 8880 ha was registered and 4000 ha unregistered ayacut during kharif season and maize 4000 ha during Rabi to be 124.39 M.cum. The canal operation plan was prepared for estimated gross water requirement.
Authors and Affiliations
C. RATNA RAJU
Keywords
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