Items where Author is "Thomas, G.A."

2009

Singh, D.K., McGuckian, N., Routley, R.A., Thomas, G.A., Dalal, R.C., Dang, Y.P., Hall, T.J., Strahan, R., Christodoulou, N., Cawley, S. and Ward, L. (2009) Poor adoption of ley-pastures in south-west Queensland: biophysical, economic and social constraints. Animal Production Science, 49 (9-10). pp. 894-906. https://doi.org/10.1071/AN09015

2007

Thomas, G.A., Dalal, R.C., Weston, E.J., Holmes, C.J., King, A.J., Orange, D.N. and Lehane, K.J. (2007) Zero tillage and nitrogen fertiliser application in wheat and barley on a Vertosol in a marginal cropping area of south-west Queensland. Australian Journal of Experimental Agriculture, 47 (8). pp. 965-975. https://doi.org/10.1071/EA05253

2000

Weston, E.J., Doughton, J. A., Dalal, R.C., Strong, W.M., Thomas, G.A., Lehane, K.J., Cooper, J.C., King, A.J. and Holmes, C.J. (2000) Managing long-term fertility of cropping lands with ley pastures in southern Queensland. Tropical Grasslands-Forrajes Tropicales, 34 (3-4). pp. 169-176.

1999

Robinson, J.B., Freebairn, D.M., Dimes, J.P., Dalal, R.C., Thomas, G.A. and Weston, E.J. (1999) Modelling wheat production from low-rainfall farming systems in northern Australia. Environmental International, 25 (6-7). pp. 861-870. https://doi.org/10.1016/S0160-4120(99)00061-6

1997

Dalal, R.C., Strong, W.M., Weston, E.J., Cooper, J.E. and Thomas, G.A. (1997) Prediction of grain protein in wheat and barley in a subtropical environment from available water and nitrogen in vertisols at sowing. Australian Journal of Experimental Agriculture, 37 (3). pp. 351-357. https://doi.org/10.1071/EA96126

1995

Radford, B. J., Key, A.J., Robertson, L.N. and Thomas, G.A. (1995) Conservation tillage increases in soil water storage, soil animal populations, grain yield, and response to fertiliser in the semi-arid subtropics. Australian Journal of Experimental Agriculture, 35 (2). pp. 223-232. https://doi.org/10.1071/EA9950223

Thomas, G.A., Gibson, G., Nielsen, R.G.H., Martin, W.D. and Radford, B.J. (1995) Effects of tillage, stubble, gypsum, and nitrogen fertiliser on cereal cropping on a red-brown earth in south-west Queensland. Australian Journal of Experimental Agriculture, 35 (7). pp. 997-1008. https://doi.org/10.1071/EA9950997

1994

Lawrence, P.A., Radford, B.J., Thomas, G.A., Sinclair, D.P. and Key, A.J. (1994) Effect of tillage practices on wheat performance in a semi-arid environment. Soil and Tillage Research, 28 (3-4). pp. 347-364. https://doi.org/10.1016/0167-1987(94)90140-6

1983

Thomas, G.A. and Ladewig, J.H. (1983) Effect of depth and method of primary tillage on fallow soil water and nitrate changes and wheat grain yield. Queensland Journal of Agricultural and Animal Sciences, 40 (2). pp. 87-93.

1982

Thomas, G.A. and Ladewig, J.H. (1982) Relationship between grain yield and maturity of wheat in central Queensland. Queensland Journal of Agricultural and Animal Sciences, 39 (2). pp. 93-103.

1980

Thomas, G.A., Rawson, J.E. and Ladewig, J.H. (1980) Effect of weed competition and inter-row cultivation on yield of grain sorghum. Queensland Journal of Agricultural and Animal Sciences, 37 (1). pp. 47-51.

Thomas, G.A., French, A.V., Ladewig, J.H. and Lather, C.J. (1980) Row spacing and population density effects on yield of grain sorghum in central Queensland. Queensland Journal of Agricultural and Animal Sciences, 37 (1). pp. 67-77.