depthSuit {soilassessment} | R Documentation |
A function for assessing soil depth suitability requirements for certain crops and trees
Description
This function determines the suitability classes for soil depth requirements of selected agricultural crops and forest trees
Usage
depthSuit(value, crop)
Arguments
value |
Input soil depth in cm |
crop |
The crop of interest for which soil depth suitability class is sought |
Details
The input value can be map or just a numerical entry of soil depth in cm
Value
The output is soil depth 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
Author(s)
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
, tempSuit
, fertilitySuit
Examples
#data(suitabinput)
library(sp)
library(raster)
LUT=data.frame(map=c(1,2,3,4,5,6),new=c(100,20,30,40,60,80))
newmap=(suitabinput["depthcodes"])
newmap$depth=reclassifyMap(newmap["depthcodes"],LUT)
newmap$melon=depthSuit(newmap$depth,"melon")
summary(newmap$depth)
spplot(newmap["depth"])