[PDF][PDF] The application of SAPWAT model in irrigation water management planning for the Sand-Vet irrigation scheme: contribution towards an integrated catchment …
YE Woyessa, E Pretorius, P Van Heerden - … . of the 2004 Water Institute of …, 2004 - Citeseer
Determinations of river basin (catchment) water balances are currently difficult due to lack of
information on crop water requirements, irrigation practices and management, particularly
with respect to the efficient use of irrigation water. Effective application of irrigation water
management on an irrigation scheme requires knowledge of how much and when the crops
require water. Furthermore, the irrigation manager needs to know which portion of the
irrigation requirement of crops is added by rain and what must be added as irrigation. A …
information on crop water requirements, irrigation practices and management, particularly
with respect to the efficient use of irrigation water. Effective application of irrigation water
management on an irrigation scheme requires knowledge of how much and when the crops
require water. Furthermore, the irrigation manager needs to know which portion of the
irrigation requirement of crops is added by rain and what must be added as irrigation. A …
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