Growth Response of Hydroponic Lactuca sativa L. to Application of Fertilizer Organic VIUSID Agro®

Alexson Vieira Pordeus, Lucas de Assis Moraes, David de Oliveira Medeiros and Letícia Carvalho Benitez

Journal of Agricultural Science, 2024, vol. 12, issue 11, 268

Abstract: Lettuce (Lactuca sativa L.) production is a valuable crop for supporting family farms in the Brazilian semiarid region. The cultivation of this vegetable in a hydroponic system with foliar application of organic fertilizer can help in mitigating the challenges imposed by the region’s edaphoclimatic conditions. Therefore, it is important to increase the lettuce production using new technologies. VIUSID Agro® is an example of such technology that has the potential to increase lettuce yields. VIUSID Agro® is a natural compound that actives molecular processes without affecting the environment adversely. This product acts as a natural bioregulator and is basically composed of amino acids, vitamins, and minerals. The experiment’s objective was to analyze the impact of VIUSID Agro® organic fertilizer on the growth of hydroponic lettuce. The research was conducted on a family farm in Bom Jesus, Paraíba state, Brazil. The experimental was a completely randomized design with 5 VIUSID VIUSID Agro® concentrations (0.0; 0.2; 0.4; 0.6 and 0.8 mL L-1) and 15 replications. Among the indicators evaluated were the plant length, leaf number, stem diameter, root length, and fresh and dry biomass. The results showed that the 0.4 mL L-1 VIUSID Agro® concentration produced greater growth than the control (0.0 mL L-1) for variables analyzed plant length, fresh and dry biomass of aerial portion, root length, fresh and dry biomass of root. The foliar application of VIUSID Agro® improved the performance of the lettuce morphological characteristics in a hydroponic cultivation system. Although this is the first Brazil research evaluating VIUSID Agro® as an organic fertilizer in hydroponic lettuce, results have shown promise.

Date: 2024
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