Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/7243
Título: Efficiency of triple emitter source (TES) for irrigation experiments of horticultural crops
Autor: Beltrao, J
Jesus, SB
Silva, V
Sousa, PB
Carvalho, Isabel Saraiva de
Trindade, D
Rodrigues, MH
Machado, A
Data: 2002
Resumo: Triple emitter source TES experimental irrigation was designed. Three trickle laterals were connected together in order to form a triple joint lateral. Two of them and their emitters are connected to two tanks of stock solutions. The third lateral contains only fresh water. The emitters of the two solution lines have different and varying discharges to obtain several mixings of the two stock solutions. The third line is necessary to obtain constant water application rates for each trickling point along the lateral. This method was tested for several experiments involving the study of the combined effects of salinity and fertilizers on the yield function of horticultural crops, namely lettuce and cabbage. As concluding remarks, it was shown the high uniformity of the factor to be evaluated, through the use of Christiansen coefficient of uniformity distribution CUC, which value was always larger than 90%. Main advantage of this experimental design is its smaller experimental plots (reducing pollution and research costs).
URI: http://hdl.handle.net/10400.1/7243
ISBN: 90-6605-835-8
ISSN: 0567-7572
Aparece nas colecções:Authenticus-1121

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