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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934


PEREZ ESPINOZA, Horacio Adulfo et al. Foliar fertilization on yield and quality of tomato in hydroponics under greenhouse. Rev. Mex. Cienc. Agríc [online]. 2017, vol.8, n.2, pp.333-343. ISSN 2007-0934.

The yield and quality in the production of tomatoes is of paramount importance for the producers that dedicate themselves to this activity. The aim of this research was to study the effect of foliar fertilizers on increasing yield and quality parameters of tomato (Solanum lycopersicum Mill.) under hydroponics in greenhouses. During 2015, an experiment was carried out in a greenhouse of the Posgraduate in Hydrosciences of the College of Postgraduates-Montecillo Campus under a bifactorial design with two indeterminate tomatoes type Saladette “Cid” and “Azhura” and three commercial leaf fertilizers foligral®, nutri K-80® and nutri humus® and a witness. Thus eight treatments were generated with four replicates. The irrigation system was drip fertigation with Steiner solution for a maximum conductivity of 2.5 dS m-1. The water consumption was quantified during the growing cycle, the total yield and some quality variables were evaluated as the content of soluble solids (°Brix), lycopene and potassium in fruit. The water consumption estimated in the experiment was high and the water use efficiency was low. There were no significant differences between the two genotypes evaluated; however, the application of foliar fertilizers produced highly significant differences in the evaluated parameters; indicating that studied foliar fertilizers with a higher content of K +, have a significant effect on increasing: yield, soluble solids, lycopene and potassium fruit.

Palavras-chave : Solanum lycopersicum Mill.; Lycopene; potassium fruit; soluble solids.

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