Estudo de caso do manejo de plantas daninhas: impactos na produção da soja
Weeds are present in the most diverse agricultural soils and are characterized by their spontaneous growth without being cultivated by man. And yet, weeds are known for their competitiveness and for their vast production and longevity of the seeds, which causes considerable loss of crop yield. The m...
| Autor principal: | Silva, Jéssica de Paula |
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| Formato: | Trabalho de Conclusão de Curso (Graduação) |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná
2020
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.utfpr.edu.br/jspui/handle/1/7374 |
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| Resumo: |
Weeds are present in the most diverse agricultural soils and are characterized by their spontaneous growth without being cultivated by man. And yet, weeds are known for their competitiveness and for their vast production and longevity of the seeds, which causes considerable loss of crop yield. The main objective of this work is to study the dynamics of population growth of weeds overtime and to verify strategies for population control. In this way, it is sought to study mathematical models that describe the dynamics of these plants, in order to better understand their evolution and help in the search for control strategies that can collaborate with the increase of production in the field. In this work a dynamic model of weed growth will be analyzed in order to determine its equilibrium points and verify the influence of the parameters in the model. Weed control will be performed through the dose-response function. A case study will be presented to analyze the influence of the Euphorbia heterophylla weed on the soybean crop with treatment through the herbicide Glyphosate. |
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