Irrigação no desenvolvimento da grama Bermudas
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Data
2012-10-23
Autores
Almeida, Roberto Gil Rodrigues [UNESP]
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Editor
Universidade Estadual Paulista (Unesp)
Resumo
Este trabalho foi realizado com o objetivo de analisar a reposição de água mais adequada para manter a boa qualidade da Grama Bermuda (Cynodon dactylon). Foram utilizados quatro tratamentos: T1 – irrigado com reposição de água de 50% da ETo; T2 – irrigado com reposição de água de 75% da ETo; T3 – irrigado com reposição de água de 100% da ETo e T4 – irrigado com reposição de água de 150% da ETo, com uma frequência diária de irrigação. A evapotranspiração de referência (ETo) foi obtida utilizando a equação apresentada por Penman-Monteith. O trabalho foi realizado em uma área experimental do Instituto Federal de Educação, Ciência e Tecnologia do Triângulo Mineiro – Campus de Uberaba, nos períodos de junho a setembro de 2010 e de janeiro a março de 2011. Foram realizadas três avaliações durante o período considerado. As amostras foram retiradas com extrator cilíndrico com 10 cm de diâmetro e 30 cm altura. Em cada amostra foi avaliada a altura e massa de matéria seca para as variáveis das partes: folha, raiz e material orgânico. O delineamento experimental foi de blocos casualizados, composto por quatro tratamentos em cinco repetições. Houve diferença apenas no desenvolvimento da parte aérea da grama. Não foram observadas diferenças significativas para massa de matéria seca das partes: aérea, raiz e material orgânico; e altura: da raiz e material orgânico. O tratamento que proporcionou os melhores resultados foi o de 150% de reposição de água, para o desenvolvimento da parte aérea
This work was carried out with the goal to analyze the best water replacement for maintaining a good quality of Bermuda grass (Cynodon dactylon) to soccer practice saving water and energy. It was used four treatments: T1 - irrigated with water replacement of 50% of ETo, T2 - irrigated with water replacement of 75% of ETo, T3 - irrigated with water replacement of 100% of ETo and T4 - irrigated with water replacement of 150% of ETo, with a daily frequency of irrigation. The evapotranspiration reference (ETo) was obtained using the equation presented by Penman-Monteith. The study was conducted in an experimental area of the Federal Institute of Education, Science and Technology of Triângulo Mineiro - Uberaba Campus, in the periods from June to September 2010 and January to March 2011. It was done three evaluations of variables during the period considered. The samples were collected using a cylindrical extractor with 10 cm in diameter and 30 cm height. For each sample it was evaluated height and dry weight for the variables party: leaf, root and organic material. The experimental design used was randomized blocks, with four treatments and five replications. There were no significant differences in dry matter of: aerial part, roots and organic material and height of the root and organic matter. The treatment that provided the best result of the aerial part of the grass was using the largest water replacement (150% of ETo)
This work was carried out with the goal to analyze the best water replacement for maintaining a good quality of Bermuda grass (Cynodon dactylon) to soccer practice saving water and energy. It was used four treatments: T1 - irrigated with water replacement of 50% of ETo, T2 - irrigated with water replacement of 75% of ETo, T3 - irrigated with water replacement of 100% of ETo and T4 - irrigated with water replacement of 150% of ETo, with a daily frequency of irrigation. The evapotranspiration reference (ETo) was obtained using the equation presented by Penman-Monteith. The study was conducted in an experimental area of the Federal Institute of Education, Science and Technology of Triângulo Mineiro - Uberaba Campus, in the periods from June to September 2010 and January to March 2011. It was done three evaluations of variables during the period considered. The samples were collected using a cylindrical extractor with 10 cm in diameter and 30 cm height. For each sample it was evaluated height and dry weight for the variables party: leaf, root and organic material. The experimental design used was randomized blocks, with four treatments and five replications. There were no significant differences in dry matter of: aerial part, roots and organic material and height of the root and organic matter. The treatment that provided the best result of the aerial part of the grass was using the largest water replacement (150% of ETo)
Descrição
Palavras-chave
Irrigação, Capim-das-bermudas, Evapotranspiração, Gramínea, Irrigation
Como citar
ALMEIDA, Roberto Gil Rodrigues. Irrigação no desenvolvimento da grama Bermudas. 2012. v, 35 f. Tese (doutorado) - Universidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Ciências Agrárias e Veterinárias de Jaboticabal, 2012.