Invited reviews

Soil and plant testing in Australia
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

New directions for irrigated pastures
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.