Evaluación del efecto de tres dosis de fertiestim plus en acacia (Acacia melanoxylon R. Br.) en el vivero de la ESPOCH.

Abstract

The project aimed to evaluate the effect of three doses of FertiEstim Plus on the initial dasometric growth of Acacia (Acacia melanoxylon R. Br.) in the ESPOCH plant nursery. For this, two study factors were used, where: factor A were the doses: 0.7, 1 and 1.3 cm3 of the FertiEstim Plus foliar fertilizer dissolved in a liter of water, and a control without a dose of the fertilizer; factor B were the frequencies of application of the product, which were made at 7, 14 and 21 days. With these factors, a completely randomized block design was carried out in a bifactorial arrangement with four repetitions, giving a total of 12 treatments under study; in which measurements of the variables were taken: height, stem diameter and number of leaves before the application of the product for a Shapiro-Wilk normality test. After this, the start of the application the variables were measured at 30, 45 and 60 days, an analysis of variance was applied to these data to determine whether there were statistically significant differences between the treatments and to determine the best dosage of the FertiEstim Plus fertilizer. Finally, a partial economic analysis was carried out to determine the treatment with the highest economic profitability in the plant nursery. No statistically significant differences were found between the dosages or in the application frequencies studied in Acacia (Acacia melanoxylon R. Br.) at the plant nursery. The treatment with the highest profitability was A1B1 consisting of 0.7 cm3 of FertiEstim Plus/L with an application frequency every 7 days with a profitability of 1230.29%. There was a slight trend of higher average values in the combination of factors A2B2. So, it is recommended to test other dosage levels of FertiEstim Plus in Acacia melanoxylon plants.