Invited Addresses

Opportunities for improving crop yields through research - a physiological perspective
D.J. Chalmers

Salinity - an environmental constraint on crop productivity
Michael C. Shannon

"The shock of the new" constraints on farmer use of new technology
NF Clark

Economic and marketing influences on future agronomic production
M J Taylor

Soil and plant testing in Australia¹
D.J. Reuter and R.J. Hannam

The genetic organization of nitrogen-fixing rhizobium species: past and future applications to agriculture.
Barry G. Rolfe ¹ and Alan E. Richardson ^1,2

Grain legumes in Australia
John Hamblin

Water use efficiency of non-irrigated field crops
M.W. Perry

Warren Mason, Kevin Kelly, Sam Blaikie and Richard Stockdale

Effects of deep ripping on cropping soils and crop production
A. Ellington

• "Responding to Change". Edited by TG Reeves. Proceedings of the 4th Australian Agronomy Conference, August 1987, La Trobe University, Melbourne, Victoria.