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- Title
Physical and physiological qualities and productivity of corn seeds fertilized with poultry waste.
- Authors
Santos de Macedo, Jussara Aparecida; Fontes Araújo, Eduardo; Fontes Araújo, Roberto; Cardoso Galvão, João Carlos; Roberto Cecon, Paulo; Roberto de Macedo, Leandro; de Almeida Campos, Silvane
- Abstract
This study evaluated the physical and physiological qualities and productivity of corn seeds, a variety UFVM 100 Native, produced in plots fertilized in top dressing with different levels of poultry waste. The experiment was organized in a randomized block design, with six treatments and four repetitions, totaling 24 plots. The treatments consisted of the application of 0.0, 1.5, 3.0, 4.5, 6.0, and 7.5 t/ha of tanned poultry waste. The seeds were subjected to the following evaluations: uniformity test, thousand seed weight, germination, vigor (first germination count, accelerated aging, soilless cold test, percentage, and emergence rate in sand), and productivity. Linear regression models were used to evaluate the effects of different dosages of poultry waste on the variables considered. The quality of seeds was not influenced by the effects of different levels of fertilization. Among the dosages used, 7.5 t/ha is recommended because it provides a greater increase in productivity, which may result in a greater financial return to the producer.
- Subjects
CORN quality; CORN seeds; POULTRY; POULTRY litter; GERMINATION; SEED quality; BLOCK designs
- Publication
Ciência Rural, 2023, Vol 53, Issue 1, p1
- ISSN
0103-8478
- Publication type
Article
- DOI
10.1590/0103-8478cr20210515