TY - JA AU - Wierenga,P.J. AU - Horton,R. AU - Kies,B. AU - Nielsen,D.R. TI - Tillage effects on soil temperature and thermal conductivity SN - 0066-0566 U1 - 83-909794 PY - 1982/// KW - Soil chemistry and physics KW - Soil cultivation and cropping systems N1 - ill. 40 ref T2 - ASA Special Publication American Society of Agronomy (USA). (1982). (no. 44) p. 69-90 ER -