Data/hora: 19/06/2024 00:19:54

Biblioteca(s): 	Embrapa Agropecuária Oeste; Embrapa Meio Norte / UEP-Parnaíba.	
Data corrente: 	26/11/1993	
Data da última atualização: 	13/10/2016	
Autoria: 	BOS, M. G.; NUGTEREN, J.	
Título: 	On irrigation efficiencies.	
Edição: 	4th ed.	
Ano de publicação: 	1990	
Fonte/Imprenta: 	Wageningen: ILRI, 1990.	
Páginas: 	117 p.	
Descrição Física: 	il.	
Série: 	(ILRI. Publication, 19).	
ISBN: 	90-70260-875	
Idioma: 	Inglês	
Conteúdo: 	Definition of the problem; Method of investigation applied; Data processing: Grouping of areas; definitions of efficiencies; Calculating theefficiencies; Efficiency terminology and reuse; Accuracy of the calculated efficiencies. Some results not directly related to irrigation efficiency: Field irrigation method versus irrigated area; Farm size distribution; Number of farms served by group inlets; Project staffing. Analysis and evaluation of the data from the questionaire with respect to irrigation efficiency: Conveyance efficiency; Conveyance efficiency versus average irrigable area; Conveyance efficiency versus size of rotational unit; Conveyance efficiency as a function of technical equipment; Distribution efficiency; Distribution efficiency versus farm sizeand soil type; Distribution efficiency versus duration of delivery period; Farm inlet versus group inlet; Field application efficiency; Influence of field irrigation method on field application efficiency; Effect of depth of application on e (a); Field application efficiency versus farm size and soil type; Influence of farm flow rate on applicationefficiency; Tertiary unit efficiency; Influence of flow rate at farm inlet on tertiary unit efficiency; Relation of water charges to tertiary unit efficiency; Relation of tertiary unit efficiency to method of water supply to the farm; Irrigation system efficiency; Relation of irrigation system efficiency to actually irrigated area; Influence of project management on irrigation system efficiency; Everall or project efficiency. Practical application of the study results with some examples. Evaluation of the applied approach. Conclusions and recommendations.	
Palavras-Chave: 	Efficiency; Eficiencia; Resultados; Results; Use; Uso.	
Thesagro: 	Irrigação.	
Thesaurus Nal: 	irrigation.	
Categoria do assunto: 	--	
Registro original: 	Embrapa Agropecuária Oeste (CPAO)	
Exemplares: 	CPAMN-UEPP - (2937-1) - ADC - LV - PP - 631.7 - B741i - LV1492/92 - DIS
CPAO - (13727-1) - ADC - LV - PP - 631.7 - B741i - 97.00306 - DIS