soil: Sample soil dataset for salinity mapping

In soilassessment: Assessment Models for Agriculture Soil Conditions and Crop Suitability

Sample soil dataset for salinity mapping

Description

Horizon sample dataset for mapping soil salinity

Usage

data("soil")

Format

The format is: Formal class 'SpatialPointsDataFrame' [package "sp"] with 5 slots ..@ data :'data.frame': 152 obs. of 17 variables: .. ..$ Sample : Factor w/ 152 levels "1","10","100",..: 1 65 76 87 98 109 120 131 142 2 ... .. ..$ ProfileID: Factor w/ 87 levels "1","2","3","4",..: 5 53 53 55 55 56 6 7 57 8 ... .. ..$ Latitude : num [1:152] -30.2 -30.3 -30.3 -30.3 -30.3 ... .. ..$ Longitude: num [1:152] 62.2 62.1 62.1 62.1 62.1 ... .. ..$ Horizon : Factor w/ 2 levels "A","B": 1 1 2 1 2 2 1 1 2 1 ... .. ..$ Depth : Factor w/ 43 levels "0 - 100","0 - 17",..: 8 14 37 8 29 42 8 8 38 8 ... .. ..$ Sand : num [1:152] 43.2 61.2 57.2 55.2 65.2 83.2 63.2 63.2 45.2 59.2 ... .. ..$ Silt : num [1:152] 44 24 29 32 22 9 24 24 40 24 ... .. ..$ Clay : num [1:152] 12.8 14.8 13.8 12.8 12.8 7.8 12.8 12.8 14.8 16.8 ... .. ..$ OC : num [1:152] 0.36 0.465 0.39 0.36 0.42 0.87 0.075 0.375 0.84 0.33 ... .. ..$ PH : num [1:152] 8.6 8.37 8.31 8.76 7.81 ... .. ..$ EC : num [1:152] 0.8 2.58 0.98 0.532 1.87 18.5 0.43 0.302 0.345 2.7 ... .. ..$ CaCo3 : num [1:152] 15.2 18.5 20.5 15.8 20 ... .. ..$ K : num [1:152] 67 162 120 124 177 91 127 72 123 158 ... .. ..$ Na : num [1:152] 1073 707 689 646 691 ... .. ..$ CEC : num [1:152] 6 11 18 9 10.4 6 6.4 16 10 4.9 ... .. ..$ ESP : Factor w/ 22 levels "0","1","10","11",..: 11 19 17 20 20 8 17 20 15 11 ... ..@ coords.nrs : num(0) ..@ coords : num [1:152, 1:2] 420924 418226 418226 415334 415334 ... .. ..- attr(*, "dimnames")=List of 2 .. .. ..$ : NULL .. .. ..$ : chr [1:2] "coords.x1" "coords.x2" ..@ bbox : num [1:2, 1:2] 386582 3343117 427796 3386711 .. ..- attr(*, "dimnames")=List of 2 .. .. ..$ : chr [1:2] "coords.x1" "coords.x2" .. .. ..$ : chr [1:2] "min" "max" ..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slot .. .. ..@ projargs: chr "+proj=utm +zone=41 +datum=WGS84 +units=m +no_defs"

Details

A dataset with 87 points of soil horizons for mapping salinity

Source

Hypothetical dataset for salinity mapping

References

Hypothetical dataset for salinity mapping

Examples

data(soil)
str(soil)

soilassessment documentation built on July 9, 2023, 7:40 p.m.