Soil Slotting to ameliorate subsoil limitations to crop production (first presented in 1991)
Soil Slotting to ameliorate subsoil limitations to crop production (first presented in 1991). N. S. Jayawardane , ex CSIRO, Division of Land and Water, GPO Box 1666, Canberra, ACT 2601, Australia. G. Kirchhof*, ex NSW Agriculture, PMB 944, Tamworth 2340, Australia. gk@mpx.com.au
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