| Popis: |
The investigation evaluated the effect of blood meal on the soil of a lettuce crop, and a completely randomized design was used with four treatments and three repetitions, with doses of 0%, 5%, 10 % and 15%. These values were used in the soil before transplanting the crespa-type lettuce seeds. For the soil analysis, each treatment sample was taken as a reference before and after the investigation. To collect data on the variables height, the number of leaves and coloration, they were measured 25 and 50 days after seed transplant. The results, through the statistical analysis of variance and Tukey 5% test, determine significant differences in height at 25 days; for T1, regarding the number of leaves, T0 presented better values for T1, T2 and T3. For the soil, T3 shows an increase in electric conductivity, Nitrogen and iron, and the pH shows a reduction in its values of 4.97 and 4.83 (acid). When applying the blood meal in the soil as a nutritional component in a 5% application, favorable results are achieved during the first 25 days, maintaining small differences in their values until the 50th day corresponding to the harvest. |
