Evaluación de dos hormonas en la producción de forraje verde hidropónico en Soya (Glycine max)

Abstract

The objective of the study was to evaluate the impact of two plant hormones, gibberellins and cytokinins, at different doses, on the production and nutritional content of hydroponic green forage (FVH) of soybean (Glycine max). An experimental design with five treatments (two hormones at four doses and a control) with three replications was used, measuring variables such as root mat height, plant height, fresh weight, dry matter, protein and fiber content. The hormones were applied at different doses (T1 of 0.05 g/L and T2 of 0.1 g/L (gibberellins) and T3 of 2.5 cc/L and T4 of 3.75 cc/L (cytokinins). The research showed that the application of gibberellins and cytokinins significantly improved plant growth (root mat height and plant height), but no significant differences were observed in the fresh weight of biomass. The conclusions of the study indicate that hormones are effective tools to improve the development and yield of FVH, especially in fresh weight and fiber content, although their impact on protein content should be further investigated because the protein percentage increases or decreases depending on the days the crop is old. It is recommended to prioritize the use of adequate doses according to the specific objectives, either to maximize biomass or to enrich specific characteristics such as fiber. Likewise, complementary studies are necessary to optimize the balance between quantity and nutritional quality in FVH. This research provides valuable information for small and medium-sized producers interested in improving FVH productivity in a sustainable and efficient manner.