Get USDA Cropland Data Layer (CDL) codes for specific crops or crop categories. Supports all major crops and predefined categories.
Examples
# \donttest{
# Get corn code
corn_codes <- get_comprehensive_cdl_codes("corn")
print(corn_codes) # Should be 1
#> [1] 1
# Get all grain crop codes
grain_codes <- get_comprehensive_cdl_codes("grains")
print(grain_codes) # Should be vector of grain codes
#> [1] 1 4 21 22 23 24 25 27 28 29 30
# See available crop types (this will print to console)
get_comprehensive_cdl_codes("help")
#> Available crop types and categories:
#>
#> Individual crops:
#> [1] "corn" "cotton"
#> [3] "rice" "sorghum"
#> [5] "soybeans" "sunflower"
#> [7] "peanuts" "tobacco"
#> [9] "sweet_corn" "pop_or_orn_corn"
#> [11] "mint" "barley"
#> [13] "durum_wheat" "spring_wheat"
#> [15] "winter_wheat" "other_small_grains"
#> [17] "dbl_crop_winwht_soybeans" "rye"
#> [19] "oats" "millet"
#> [21] "speltz" "canola"
#> [23] "flaxseed" "safflower"
#> [25] "rape_seed" "mustard"
#> [27] "alfalfa" "other_hay_non_alfalfa"
#> [29] "camelina" "buckwheat"
#> [31] "sugarbeets" "dry_beans"
#> [33] "potatoes" "other_crops"
#> [35] "sugarcane" "sweet_potatoes"
#> [37] "misc_vegs_fruits" "watermelons"
#> [39] "onions" "cucumbers"
#> [41] "chick_peas" "lentils"
#> [43] "peas" "tomatoes"
#> [45] "caneberries" "hops"
#> [47] "herbs" "clover_wildflowers"
#> [49] "sod_grass_seed" "switchgrass"
#> [51] "fallow_idle_cropland" "cherries"
#> [53] "peaches" "apples"
#> [55] "grapes" "christmas_trees"
#> [57] "other_tree_crops" "citrus"
#> [59] "pecans" "almonds"
#> [61] "walnuts" "pears"
#> [63] "carrots" "asparagus"
#> [65] "garlic" "cantaloupes"
#> [67] "prunes" "olives"
#> [69] "oranges" "honeydew_melons"
#> [71] "broccoli" "avocados"
#> [73] "peppers" "pomegranates"
#> [75] "nectarines" "greens"
#> [77] "plums" "strawberries"
#> [79] "squash" "apricots"
#> [81] "vetch" "dbl_crop_oats_corn"
#> [83] "lettuce" "pasture_grass"
#> [85] "grassland_pasture" "deciduous_forest"
#> [87] "evergreen_forest" "mixed_forest"
#> [89] "water" "perennial_ice_snow"
#> [91] "herbaceous_wetlands" "woody_wetlands"
#> [93] "developed_open_space" "developed_low_intensity"
#> [95] "developed_med_intensity" "developed_high_intensity"
#> [97] "barren" "shrubland"
#> [99] "grassland_herbaceous"
#>
#> Crop categories:
#> [1] "grains" "oilseeds" "fruits" "vegetables"
#> [5] "legumes" "forage" "specialty" "food_crops"
#> [9] "feed_crops" "industrial_crops" "all_crops"
# }