depthSuit | R Documentation |
This function determines the suitability classes for soil depth requirements of selected agricultural crops and forest trees
depthSuit(value, crop)
value |
Input soil depth in cm |
crop |
The crop of interest for which soil depth suitability class is sought |
The input value can be map or just a numerical entry of soil depth in cm
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
Christian Thine Omuto
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
suitability
, tempSuit
, fertilitySuit
#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"])
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