soil                  package:geoR                  R Documentation

_S_o_i_l _c_h_e_m_i_s_t_r_y _p_r_o_p_e_r_t_i_e_s _d_a_t_a _s_e_t

_D_e_s_c_r_i_p_t_i_o_n:

     Several soil chemistry properties measured on a 10x25 grid of
     points.

_U_s_a_g_e:

     data(soil)

_F_o_r_m_a_t:

     A data frame with 250 observations on the following 22 variables.

     _L_i_n_h_a x-coordinate

     _C_o_l_u_n_a y-coordinate

     _C_o_t_a elevation

     _A_G_r_o_s_s_a a numeric vector

     _S_i_l_t_e a numeric vector

     _A_r_g_i_l_a a numeric vector

     _p_H_A_g_u_a a numeric vector

     _p_H_K_C_l a numeric vector

     _C_a a numeric vector, calcium content

     _M_g a numeric vector, magnesium content

     _K a numeric vector, potassio content

     _A_l a numeric vector, aluminium content

     _H a numeric vector, hidrogen content

     _C a numeric vector, carbon content

     _N a numeric vector, nitrogenm content

     _C_T_C a numeric vector, catium exchange capability

     _S a numeric vector

     _V a numeric vector

     _M a numeric vector

     _N_C a numeric vector

     _C_E_C a numeric vector

     _C_N a numeric vector

_S_o_u_r_c_e:

     Bassoi and Moraes

_R_e_f_e_r_e_n_c_e_s:

     Bassoi thesis...

_E_x_a_m_p_l_e_s:

     ctc <- as.geodata(soil, data.col=16)
     plot(ctc)

