Summary
Background. The tomato is the most important horticultural crop in the world, regarding area of cultivation and yield. The main production areas have arid and semi-arid climates, with scarce rainfall, which forces the use of saline water for irrigation - leading to a decrease in the agronomic yield of the crop. Currently, many soilless cultivation systems are considered for tomato production, although the behavior of the plants when saline water is used for irrigation is not known in detail. Methods. In this work we study the agronomic and physiological responses of the tomato variety ‘Óptima’, using different soilless crop systems (perlite substrate, hydroponics, and the nutrient film technique) and several levels of salinity in the irrigation water. The yield, quality parameters, vegetat
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