R. A. Holliday

Soil pH is a major determinant of the numbers of naturally occurring Rhizobium meliloti in non-cultivated soils in central New South Wales

J. Brockwell, A. Pilka, R. A. Holliday, 1991 .

Symbiotic characteristics of a Rhizobium-specific annual medic, Medicago rigidula (L.) All

J. Brockwell, R. A. Holliday, Deifallah M. Daoud, 1988 .

Evaluation of the symbiotic nitrogen-fixing potential of soils by direct microbiological means

J. Brockwell, A. Pilka, R. A. Holliday, 1988, Plant and Soil.