soilassessment (version 0.3.0)

suitabilityClass: A function to determine suitability classes for given indicator values

Description

This function determines the suitability class to which a given indicator value falls based on the crop requirement

Usage

suitabilityClass(value,crop,factor)

Value

The output is rainfall suitability class for the crop. The output is integer value for suitability class: 1- highly suitable; 2 - moderately suitable; 3 - marginally suitable; 4 - currently not suitable; 5 - not suitable

Arguments

value

Input indicator value.

crop

The crop of interest for which suitability is determined.

factor

The suitability factor for crop requirement. Example factors include: rain, slope, carbonate, EC, ESP, depth, ph, temperature,

Author

Christian Thine Omuto

References

Sys, C., Van Ranst, E., Debaveye, J. and Beerneaert, F.1993. Land evaluation: Part III: Crop requirements. Development Cooperation, Belgium.

Naidu, L.G.K., Ramamurthy, V., Challa O., Hegde, R. and Krishnan, P. 2006. Manual, Soil-site Suitability Criteria for Major Crops, National Bureau of Soil Survey and Land Use Planning, ICAR, Nagpur, India

FAO Crop Suitability Requirements: http://ecocrop.fao.org/ecocrop/srv/en/home

See Also

suitability,slopeSuit, tempSuit

Examples

library(sp)
library(raster)
suitabilityClass(20.14,"saffron","slope")
slope=suitabinput["slope"]
slope$tea=slopeSuit(slope$slope,"tea")
slope$saffron=suitabilityClass(slope$slope,"saffron","slope")
summary(slope$saffron)
spplot(slope["tea"], main="Slope suitability for tea")
spplot(slope["saffron"], main="Slope suitability for saffron")