“…Many other substantive works on the history of soil science have contributed to our understanding of some early concepts in pedology (Jenny, 1961b;Simonson, 1968;Arnold, 1983;Tandarich et al, 1988Tandarich et al, , 2002Hudson, 1992;Krupenikov, 1992;Gennadiyev et al, 1995Gennadiyev et al, , 1996Buol et al, 1997;Yaalon, 1997;Brevik, 1999). However, none of these works summarized key concepts in pedology.…”