Uniformity trial of soybean

Uniformity trial of soybean in Brazil, 1970.

Usage

data("dasilva.soybean.uniformity")

Format

A data frame with 1152 observations on the following 3 variables.

row

row

col

column

yield

yield, grams/plot

Details

Field length: 48 rows * .6 m = 28.8 m

Field width: 24 columns * .6 m = 14.4 m

Source

Enedino Correa da Silva. (1974). Estudo do tamanho e forma de parcelas para experimentos de soja (Plot size and shape for soybean yield trials). Pesquisa Agropecuaria Brasileira, Serie Agronomia, 9, 49-59. Table 3, page 52-53. https://seer.sct.embrapa.br/index.php/pab/article/view/17250

References

Humada-Gonzalez, G.G. (2013). Estimação do tamanho otimo de parcela experimental em experimento com soja. Dissertation, Universidade Federal de Lavras. http://repositorio.ufla.br/jspui/handle/1/744

Examples

if (FALSE) { # \dontrun{

library(agridat)
data(dasilva.soybean.uniformity)
dat <- dasilva.soybean.uniformity

libs(desplot)
desplot(dat, yield ~ col*row,
        flip=TRUE, aspect=28.8/14.4, 
        main="dasilva.soybean.uniformity")
  
} # }