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Revista mexicana de ciencias agrícolas
versión impresa ISSN 2007-0934
Resumen
GARCIA-SANTIAGO, Juana Cruz et al. Subirrigation as production system of pepper (Capsicum annuum L.) in soilless crop. Rev. Mex. Cienc. Agríc [online]. 2015, vol.6, n.spe12, pp.2313-2330. ISSN 2007-0934.
Production in a closed system promotes higher efficiency in the use of water and fertilizers. The aim of this study was to determine some of subirrigation system requirements for the production of pepper and its effect on growth, yield and some chemical characteristics of the substrate. Two irrigation lamina (10 and 15 cm) at three irrigation times (10, 20 and 30 min) in two container sizes (13 and 25 L) with a substrate mixture of peat and perlite were evaluated. Moisture content of the substrate was higher with subirrigation lamina of 10-15 cm for 30 min, in both containers. With this, it proceeded to evaluate the response of pepper to subirrigation system compared with surface irrigation. Greater fruit yield was obtained subirrigating with a lamina of 15 cm for 20 min leveling plant yield with surface irrigation. Plant dry weight was greater with a lamina of 15 cm for 30 min. The pH was lower in the upper layer with lamina if 10 and 15 cm for 20 and 30 min, respectively. EC was higher in the upper layer with lamina of 15 cm for 30 min. Ca2+, NO3- and K + was higher in the upper layer with surface irrigation. It is concluded that the production of pepper in subirrigation is possible as similar yields to those obtained with surface irrigation are obtained by applying a lamina of 15 cm for 20 min.
Palabras llave : efficient use of fertilizers; efficient water use; protected agriculture; nutrition.