期刊
SCIENTIA AGRICOLA
卷 69, 期 4, 页码 233-239出版社
UNIV SAO PAOLO
DOI: 10.1590/S0103-90162012000400001
关键词
Solanum lycopersycum L.; shading; total production; renewable energy; fruit quality
资金
- Consejeria de Innovacion, Ciencia y Empresa de la Junta de Andalucia (Spain) [P08-AGR-04231]
- Ministerio de Ciencia e Innovacion del Gobierno de Espana [AGL2006-11186]
- Fondos Europeos de Desarrollo Regional (FEDER)
The integration of renewable energy sources into greenhouse crop production in southeastern Spain could provide extra income for growers. Wind energy could be captured by small to medium-sized wind turbines, gas could be produced from biomass, and solar energy could be gathered by solar panels. The aim of this study was to examine the effect of flexible solar panels, mounted on top of a greenhouse for electricity production, on yield and fruit quality of tomatoes (Solanum lycopersycum L., cv Daniela). This study was undertaken in a commercial raspa y amagado greenhouse, typical of the Almeria region (Spain). Tomato plantlets were planted at a density of 0.75 plants m(-2). The flexible solar panels were mounted on two parts of the roof in different arrangements (T1 and T2), each blacking out 9.8 % of its surface area. A control area (T0 arrangement) was fitted with no panels. No difference was found in terms of total or marketable production under these three arrangements, although fruit mean mass and maximum diameter of T0 were significantly greater than T1 and T2. Fruit in T0 matured earlier with more intense color compared with those in T1 and T2. However, these differences had no effect on price as the tomatoes produced under three conditions fell into the same commercial class (G class; diameter 67-81 mm). Solar panels covering 9.8 % roof area of the greenhouse did not affect yield and price of tomatoes despite of their negative effect on fruit size and color.
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