1982
DOI: 10.1590/s0006-87051982000100016
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Delineamento (1/5) (5 x 5 x 5) em blocos

Abstract: RESUMONo presente trabalho, os tratamentos do delineamento fatorial fracionado (1/5) (5x5x5), obtido pela superposição de três quadrados latinos ortogonais, são colocados em cinco blocos, com a utilização de um quarto quadrado latino ortogonal. Um modelo quadrático em X foi usado para estudo da superfície de resposta, sendo considerados polinômios ortogonais linear e quadrático para cada um dos fatores e para blocos, uma vez que, em ensaios de campo, a maior parte do gradiente de fertilidade ou de outras causa… Show more

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Cited by 11 publications
(2 citation statements)
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“…In both experiments, with and without water deficit, the plants were arranged in two spacings between rows (0.5 and 1.0 m) and five plant populations (20,000; 40,000; 60,000; 80,000; and 10,000 plants ha -1 ), totaling 10 spacings between plants (Table 1) As a result of t-test application, the best model was selected, using the significances of each parameter, and accepting significance level until the 15% probability limit (Conagin & Jorge, 1982). All statistical analyses were conducted with the use of R software -version 3.4.1.…”
Section: Methodsmentioning
confidence: 99%
“…In both experiments, with and without water deficit, the plants were arranged in two spacings between rows (0.5 and 1.0 m) and five plant populations (20,000; 40,000; 60,000; 80,000; and 10,000 plants ha -1 ), totaling 10 spacings between plants (Table 1) As a result of t-test application, the best model was selected, using the significances of each parameter, and accepting significance level until the 15% probability limit (Conagin & Jorge, 1982). All statistical analyses were conducted with the use of R software -version 3.4.1.…”
Section: Methodsmentioning
confidence: 99%
“…O primeiro experimento foi realizado utilizando-se um delineamento fatorial fracionado (1/25) 5 4 , com quatro níveis de nutrientes (N, P, K e Ca) e cinco doses, num total de 25 tratamentos, repartidos em 5 blocos de 5 tratamentos (Conagin & Jorge, 1982). Os tratamentos consistiram na combinação das doses totais, em g por planta: N (0,31; 0,62; 1,25; 2,5 e 5}, K (0,4; 0,62; 1,25; 2,5 e 5), P (0,35; 1,0; 2,0; 3,0 e 4,0) e Ca (3,5; 5,0; 6,0; 7,0 e 8,0), fornecidas durante o ciclo de desenvolvimento do porta-enxerto no telado.…”
Section: Delineamentos Experimentais E Tratamentosunclassified