Evaluación de lodos provenientes del tratamiento de efluentes de la industria de palmícola y su uso nutricional en vivero de Elaeis guineensis Jack
Fecha
2021-08-10Registro en:
Onofre Rey, A. L., & Rivera Herrera, M. J. (2021). Evaluación de lodos provenientes del tratamiento de efluentes de la industria de palmícola y su uso nutricional en vivero de Elaeis guineensis Jack. [Tesis de pregrado, Universidad Santo Tomás]. Repositorio
reponame:Repositorio Institucional Universidad Santo Tomás
instname:Universidad Santo Tomás
Autor
Onofre Rey, Andrea Lizeth
Rivera Herrera, Mónica Juliana
Institución
Resumen
Palm oil production faces a social and environmental challenge due to the generation of large amounts of wastewater during oil extraction processes. Although some studies have explored methods to reduce environmental impacts, there is little research that promotes the transformation of waste for agricultural use. The purpose of this research was to determine the fertilizer potential of waste sludge obtained from the oxidation ponds of a wastewater treatment plant (WWTP), through application to a crop of African palm (Elaeis guineensis Jack) seedlings and foliar analysis. The application of treatments was carried out using a randomized complete block design with 5 fertilizers with different compositions of dry sludge-urea plus a control treatment and, as blocks, the time intervals between fertilization (days 30, 60, 90 and 120). The methodology had four phases: the first phase consisted of the dehydration and preparation of the sludge for its application as fertilizer, the second phase dealt with the physicochemical analysis of the sludge and the soil for the nursery, the third phase allowed the experimental assembly of the nursery and the fertilization of seedlings, and the fourth phase carried out the statistical analysis of the morphometric measurements recorded in 30 African palm seedlings. The results show that the dehydrated sludge obtained a removal of 96.93% of moisture content in 24 days, in addition to registering important elements for leaf growth in the seedlings, such as nitrogen (0.75%), calcium (0.30%), potassium (0.40%), magnesium (0.30%) and boron (0.0003%), as well as other micronutrients such as sulfur and copper. On the other hand, treatment 2 (75% mud-25% urea) presented the highest yield averages in the variables of number of leaves emitted (1.1 leaf/month), leaf area growth (187.52 cm2/month) and stem diameter (0.32 cm/month). This work is intended to be a contribution to other studies that seek to use bottom sludge as fertilizer for African palm crops.