Roger Armstrong

Roger Armstrong

Victoria Department of Primary Industries
Horsham Australia Papers:
9:20 AM, Henry Gonzalez Convention Center, Room 213A 146-5 Crop Residue Phosphorus: Speciation and Availability.
1:05 PM, Henry Gonzalez Convention Center, Room 213B 255-1 Nitrogen Fertilizer Recovery of Wheat Under Elevated Carbon Dioxide and Supplementary Irrigation In Southern Australia.
8:15 AM, Henry Gonzalez Convention Center, Room 210A 382-1 Effect of Soil Water On Crop Use of Fertilizer, Topsoil and Subsoil Phosphorus.