Abstract
This study aims to discover the agro-economic yield of the ‘Comum’ tannia, which was propagated with five seedling types (Extra, Large, Medium, Small and Tiny) and grown both with and without a hilling operation during three crop seasons. In each agricultural year, the treatments were arranged as a 5 x 2 factorial in a randomized complete block design with four replications. The harvests were conducted 238 (2007-08), 231 (2008-09) and 237 (2009-10) days after planting. The data were submitted to an analysis of variance each year. The plants produced from large seedlings and RM-corms had a higher fresh leaf weight. Additionally, the dry weight of the RFC-commercial cormels and RFNC-non-commercial cormels was higher with extra seedlings. The plants grown during 2008-2009 had a higher fresh weight of RM and of RFNC than the plants grown during 2009-10. The interaction between the seedling types and crop seasons significantly influence the yield and dry weight of the leaves of RM and RFC, the leaf length of RM and RFC and the leaf diameter of RFC. According to the economic analysis, a net income of R$ 2,234.08 was obtained when the tannia were cultivated without a hilling operation using extra propagated seedlings.
Highlights
The increase of agriculturally produced income, especially in familiar agriculture, is dependent on the implementation of technician-management implantation practices that allow for the possibility of better organization and the exploitation of productive activity
The aim of this work was to determine the ‘Comum’ tannia agro-economic yield, which was propagated with five seedling types and cultivated both with and without hilling during three crop seasons
Based on the analysis of variance, it is clear that the interaction between the seedling types and crop seasons significantly influenced the yield of the fresh and dry weight of leaves, corms-RM, commercial cormels-RFC and non-commercial cormels-RFNC
Summary
The increase of agriculturally produced income, especially in familiar agriculture, is dependent on the implementation of technician-management implantation practices that allow for the possibility of better organization and the exploitation of productive activity. In addition to preserving and improving the productive environment, these practices must promote the reduction of costs, the addition of values to production and/or yield increases (DOMIT et al, 2008). Concerns about sustainability are derived from reflections on the relationship between humankind and the environment. The Araceae family includes approximately 104 genders and 3700 species. This family occurs naturally on all continents (except in Antarctica), it is predominantly tropical
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