ic: Harvest Index

In AgronomiaR/iagro: Indices agronomicos

Description

The function calculates the grain harvest index according to the methodology of Pereira and Machado (1987) or index harvest usual to the methodology of Cost, Shibata and Colin (1985)

Usage

ic(MSPA, MSG, MSF = NULL, trat, save = FALSE)

Arguments

MSPA	Numeric vector with dry shoot weight
MSG	Numeric vector with dry mass of grains
MSF	Numeric vector with dry leaf mass (default is FALSE)
trat	Vector with the names of the treatments with the repetitions

Details

ic

Author(s)

Gabriel Danilo Shimizu

References

PEREIRA, A.R., MACHADO, E.C. Analise quantitativa do crescimento de comunidades vegetais. Campinas: Instituto Agronomico, 1987. 33 p. (Boletim Técnico, 114).

COSTA, J.G.C.; SHIBATA, J.K.; COLIN, S.M. Indice de colheita em feijoeiro comum. Pesquisa Agropecuaria Brasileira, v. 20, n. 6, p. 737-739, 1985.

Examples

MSPA=rnorm(100,10,1)
MSG=rnorm(100,10,1)
MSF=rnorm(100,10,1)
trat=rep(c("T1","T2","T3","T4"),e=25)
iqd(MSPA,MSG,MSF,trat,save=T)

AgronomiaR/iagro documentation built on April 16, 2020, 10:54 p.m.