| Abstrakt: |
Due to the increasing generation of sewage sludge, the proper disposal of this waste has become a challenge. In agriculture, its use is viable in non-food crops and in those that require a large amount of fertilizer, such as rosebushes. Therefore, the aim of this work was to study the effect of the sludge application from the primary facultative pond in the root system of the rosebush variety 'Carola' with the image processing software SAFIRA. The roses were planted in 20 L buckets, and sludge was incorporated into the topsoil. The treatments were: T1-control treatment (without N), T2-12 Mg ha-1 sludge on a dry basis (DB), T3-24 Mg ha-1 sludge DB, T4-36 Mg ha-1 sludge DB and T5-mineral fertilizer (100 kg N ha-1). The experimental design was a randomized block. The apparent volume of the roots was determined with SAFIRA software. The volumes found were 17.25 mL, 12.20 mL, 13.60 mL, 20.40 mL and 22.10 mL for T1, T2, T3, T4 and T5, respectively. Despite the great variability between values, there was no statistical difference between treatments. [ABSTRACT FROM AUTHOR] |
