Efecto de azufre y gallinaza sobre índices fisiológicos y del rendimiento en Solanum lycopersicum L.

Objective: to determine the dry biomass and quantify the amount of nitrogen and potassium assimilated by Solanum lycopersicum, developed in a sodium saline soil, in response to the application of poultry manure, and sulfur (S°) through fertigation.Design/methodology/approach: The study was modified in 2016, in the municipality of Moctezuma, SLP, in a shade mesh greenhouse, two doses of sulfur were evaluated (750 kg ha1 (S1) 1500 kg ha1 (S2)) and four levels of manure (1, 2, 3 and 4 t ha1). Three destructive samplings were considered for the calculation of physiological indices, dry matter and the determination of nitrogen and potassium. Fresh product yield and other yield components were evaluated in six harvests.Results: The highest MST production (kg ha1) was obtained under the S1 treatment throughout the growth cycle. The highest amount of total accumulated N and K in plants, under the S1 treatment, represents 81.8% and 78.6% of the total applied at the end of the cycle; respectively. The highest production in total commercial fresh fruit accumulated, obtained under the treatment of 750 kg ha1 of sulfur (S1), was 162.9 t ha1, surpassing the treatment of 1500 kg ha1 (S2).Study limitations/implications: no specific differences were reported for poultry manure applications.Findings/conclusions: physiological indices and dry matter rate were affected by the application of S1.