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 and Alan E. Richardson

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