Wide-form environmental data covering four stages (`Env01`-`Env04`), used by [gglink_heatmaps()] examples.
Examples
data(Envdf_4st)
Envdf_4st[1:3, 1:6]
#> N_1 P_1 K_1 Ca_1 Mg_1 S_1
#> 18 19.8 42.1 139.9 519.4 90.0 32.3
#> 15 13.4 39.1 167.3 356.7 70.7 35.2
#> 24 20.2 67.7 207.1 973.3 209.1 58.1
