agricolae (version 1.2-8)

Chz2006: Data amendment Carhuaz 2006

Description

Incidents and performance of healthy tubers and rotten potato field infested with naturally Ralstonia solanacearum Race 3/Bv 2A, after application of inorganic amendments and a rotation crop in Carhuaz Peru, 2006.

Usage

data(Chz2006)

Format

The format is: List of 2

amendment

a factor

crop

a factor

block

a numeric vector, replications

plant

a numeric vector, number plant

wilt_percent

a numeric vector, wilt percentage at 60 days

health

a numeric vector, kg/8m2

rot

a numeric vector, kg/8m2

Details

Application of inorganic amendment and crop rotation to control bacterial wilt of the potato (MBP).

References

International Potato Center. CIP - Lima Peru.

Examples

# NOT RUN {
library(agricolae)
data(Chz2006)
str(Chz2006)
wilt<-Chz2006$wilt
yield<-Chz2006$yield
means <- tapply.stat(wilt[,5],wilt[,1:3],function(x) mean(x,na.rm=TRUE))
names(means)[4]<-"wilt_percent"
model <- aov(wilt_percent ~ block + crop, means)
anova(model)
cv.model(model)
yield<-yield[order(paste(yield[,1],yield[,2],yield[,3])),]
correlation(means[,4],yield[,4],method="spearman")
# }