Country Site pH EC dS/m
Mexico Bolson 7.63 ± 0.56 0.6 ± 0.099
Mexico La Teja 7.51 ± 0.04 2.244 ± 0.061
Mexico Palomas 7.71 ± 0.01 1.166 ± 0.014
USA Anthony 8.97 ± 0.03 0.167 ± 0.011
USA Columbus 9.36 ± 0.17 0.647 ± 0.122
USA Deming 8.71 ± 0.06 0.387 ± 0.07
USA Leyendecker 8.26 ± 0.18 1.137 ± 0.416
Average and standard deviation; EC = electrical conductivity
Table 3: Soil alkalinity and soil salinity at experiment sites.