sementes: Germination or emergency index (IVG,IVE,TMG e TME)
In AgronomiaR/iagro: Indices agronomicos

Description Usage Arguments Details Author(s) References Examples

View source: R/sementes_function.R

The seed function calculates the average time and the emergence or germination speed index according to the methodology of Maguire (1962).

1	sementes(dados, tempo, trat, save = FALSE)

`dados`	Data.frame composed of the answers in each time in columns.
`tempo`	Numeric vector with time
`trat`	Vector with the names of the treatments with the repetitions

Seeds

Gabriel Danilo Shimizu

MAGUIRE, J.D. Speed of germination aid in selection and evaluation for seedling emergence and vigor. Crop Science, Madison, v.2, n.2, p.176-77, 1962.

dia7=c(0,2,1, 4,5,6, 2,3,2)
dia14=c(4,5,6, 8,9,8, 14,15,16)
dia21=c(14,20,16, 25,26,28, 30,31,33)
dia28=c(30,35,32, 40,41,44, 46,48,50)
dia35=c(45,47,50, 48,49,50, 50,50,49)
dados=data.frame(dia7,dia14,dia21,dia28,dia35)
trat=rep(c("T1","T2","T3"),e=3)
tempo=c(7,14,21,28,35)
sementes(dados,tempo,trat)