Roger Armstrong

Impact of subsoil constraints on wheat yield and gross margin on fine-textured soils of the southern Victorian Mallee

Daniel Rodriguez, Victor O. Sadras, H. van Rees, 2006 .

The effect of boron tolerance, deep ripping with gypsum, and water supply on subsoil water extraction of cereals on an alkaline soil

David J. Connor, D. Connor, J. Nuttall, 2005 .