Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/7162
Título: Lettuce yield response to salinity of sprinkle irrigation water
Autor: Beltrão, J.
Trindade, D.
Correia, P. J.
Data: 1997
Editora: International Society Horticultural Science
Resumo: The objective of this work is to study the effect of saline water on the yield of lettuce (Lactuca sativa L., var. longifolia Lam., cv. Nevada), under an experimental design known as double sprinkler line source (DLS), in two different soil types. A saline gradient was created, shown by an electrical conductivity from 1 up to 8 dS/m, and a precise distribution of the salt with a minimal experimental area was obtained. Experiments were carried out in the Campus of Gambelas, University of Algarve, Fare, South Portugal. Lettuce yields were expressed in ton/ha and in fresh weight per plant. It is concluded the main several aspects: 1 - A steep yield reduction from 1 up to 2 dS/m; 2 - A slow yield reduction from 2 up to 5 dS/m; 3 - From 5 up to 8 dS/m yield is very low and near constant. Regression curves had r(2) values not lower than 0.80.
Peer review: yes
URI: http://hdl.handle.net/10400.1/7162
ISBN: 90-6605-869-2
ISSN: 0567-7572
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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