| carbonateSuit {soilassessment} | R Documentation |
A function for assessing calcium carbonate suitability requirements for certain crops and trees
Description
This function determines the suitability classes for soil calcium carbonate requirements of selected agricultural crops and forest trees
Usage
carbonateSuit(value, crop)
Arguments
value |
Input calcium carbonate content in percent |
crop |
The crop of interest for which calcium carbonate suitability class is sought |
Details
The input value can be map or just a numerical entry of calcium carbonate in percent
Value
The output is calcium carbonate suitability class for the crop. The output is an 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, ESPSuit, fertilitySuit
Examples
library(sp)
newmap=suitabinput
newmap$saffron=carbonateSuit(newmap$cac03,"saffron")
summary(newmap$saffron)
spplot(newmap,"saffron")