geoR (version 1.6-25)

soja98: Soya bean production and other variables in a uniformity trial

Description

Data on soya bean production in a uniformity trial measured at plots of size 5x5 meters and other soil properties measured in points given by the data coordinates.

Usage

data(soja98)

encoding

latin1

source

Souza, E.G.; Jojann, J. A.; Rocha, J. V.; Ribeiro, S. R. A.; Silva, M. S., Upazo, M. A. U.; Molin, J. P.; Oliveira, E. F.; N'obrega, L. H. P. (1999) Variabilidade espacial dos atributos qu'imicos do solo em um latossolo roxo distr'ofico da regi~ao de Cascavel-PR. Engenharia Agr'icola. Jaboticabal, volume 18, nr. 3, p.80-92.

Examples

data(soja98)
plot(soja98)
require(geoR)
prod98 <- as.geodata(soja98, coords.col=1:2, data.col=)
plot(prod98, low=TRUE)