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Analyses of irrigation scheduling and water balance for irrigation district in lower reaches of Yellow River

Liu, Yu ; Cai, Jia-Bing ; Cai, Lin-Gen ; Pereira, L S

Shuili xuebao, 2005-06, Vol.36 (6), p.701-708

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Título:
Analyses of irrigation scheduling and water balance for irrigation district in lower reaches of Yellow River
Autor: Liu, Yu ; Cai, Jia-Bing ; Cai, Lin-Gen ; Pereira, L S
É parte de: Shuili xuebao, 2005-06, Vol.36 (6), p.701-708
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Two typical experimental areas located at the upstream and downstream of the Bojili Irrigation District are selected to investigate the optimal scheduling for balancing the supply and demand of irrigation water. Field observations were conducted for winter wheat and summer maize in two consecutive years. Observation data were used to verify the validity of the ISAREG model, which is an irrigation-scheduling model based on soil water balance. On this basis, the model was applied to evaluate the current irrigation scheduling. The simulation results of two irrigation-scheduling strategies for 10 kinds of crops in four typical years with different probabilities in three counties were analyzed. It is found that the water balance could be achieved if the improved irrigation techniques and controlled deficit irrigation were adopted.
Idioma: Chinês

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