Question 4 of the lab
Question 4 looking at the table 2. (Classification of soils based on salinity indicators) we're given, I can see that ESP for soil 1 in Question 4 of the lab is < 15, but what are the other values that we are given? i see dS/m is 9.2, is this related to S/m for electrical conductivity?
Clueless_Student