Items where Author is "Hammer, Graeme L."

2023

Wu, A., Brider, J., Busch, F. A., Chen, M., Chenu, K., Clarke, V. C., Collins, B., Ermakova, M., Evans, J. R., Farquhar, G. D., Forster, B., Furbank, R. T., Groszmann, M., Hernandez-Prieto, M. A., Long, B. M., Mclean, G., Potgieter, A., Price, G. D., Sharwood, R. E., Stower, M., van Oosterom, E., von Caemmerer, S., Whitney, S. M. and Hammer, G. L. (2023) A cross-scale analysis to understand and quantify the effects of photosynthetic enhancement on crop growth and yield across environments. Plant, Cell & Environment, 46 (1). pp. 23-44. ISSN 0140-7791

2022

Durrington, G., Brider, J., Holzworth, D., Hammer, G. L. and Wu, A. (2022) CropGen: A novel tool for optimising sorghum crop design. In: TropAg 2022 International Agriculture Conference, 31 October - 2 November 2022, Brisbane, Australia.

George-Jaeggli, B., Zhi, X., Massey-Reed, S. R., Potgieter, A. B., Hunt, C. H., Watson, J., Chapman, S. C., Laws, K., Borrell, A., Tao, Y., Mace, E. S., Jordan, D. R., Van Oosterom, E. J., Hammer, G. L. and Wu, A. (2022) Deriving radiation use efficiency from hyperspectral sensing for enhanced sorghum production. In: TropAg 2022 International Agriculture Conference, 31 October - 2 November 2022, Brisbane, Australia.

George-Jaeggli, B., Wu, A., McLean, G., Zhi, X., Massey-Reed, S. R., Jordan, D. and Hammer, G. L. (2022) Exploiting the variability and heritability of leaf angle in sorghum to design optimal canopies for different target environments. In: Proceedings of the 20th Agronomy Australia Conference, 2022, 6 - 10 February 2022, Toowoomba Qld.

Borrell, A. K., Wong, A. C. S., George-Jaeggli, B., van Oosterom, E. J., Mace, E. S., Godwin, I. D., Liu, G., Mullet, J. E., Klein, P. E., Hammer, G. L., McLean, G., Hunt, C. H. and Jordan, D. R. (2022) Genetic modification of PIN genes induces causal mechanisms of stay-green drought adaptation phenotype. Journal of Experimental Botany, 73 (19). pp. 6711-6726. ISSN 0022-0957

Potgieter, A. B., Schepen, A., Brider, J. and Hammer, G. L. (2022) Lead time and skill of Australian wheat yield forecasts based on ENSO-analogue or GCM-derived seasonal climate forecasts – A comparative analysis. Agricultural and Forest Meteorology, 324 . p. 109116. ISSN 0168-1923

2021

Zhao, Y., Zheng, B., Chapman, S. C., Laws, K., George-Jaeggli, B., Hammer, G. L., Jordan, D. R. and Potgieter, A. B. (2021) Detecting Sorghum Plant and Head Features from Multispectral UAV Imagery. Plant Phenomics, 2021 . p. 9874650. ISSN null

2020

Borrell, A. K., Van Oosterom, E. J., George-Jaeggli, B., Vadez, V., Singh, V. and Hammer, G. L. (2020) Physiology of Growth, Development and Yield. In: Sorghum in the 21st Century: Food – Fodder – Feed – Fuel for a Rapidly Changing World. Springer.

2019

Armstrong, R. N., Potgieter, A. B., Mares, D. J., Mrva, K., Brider, J. and Hammer, G. L. (2019) An integrated framework for predicting the risk of experiencing temperature conditions that may trigger late-maturity alpha-amylase in wheat across Australia. Crop and Pasture Science .

Geetika, G., van Oosterom, E. J., George-Jaeggli, B., Mortlock, M. Y., Deifel, K. S., McLean, G. and Hammer, G. L. (2019) Genotypic variation in whole-plant transpiration efficiency in sorghum only partly aligns with variation in stomatal conductance. Functional Plant Biology, 46 (12). pp. 1072-1089.

2017

Potgieter, A. B., George-Jaeggli, B., Chapman, S. C., Laws, K., Suárez Cadavid, L. A., Wixted, J., Watson, J., Eldridge, M., Jordan, D. R. and Hammer, G. L. (2017) Multi-Spectral Imaging from an Unmanned Aerial Vehicle Enables the Assessment of Seasonal Leaf Area Dynamics of Sorghum Breeding Lines. Frontiers in Plant Science, 8 (1532). ISSN 1664-462X

Singh, V., Nguyen, C. T., McLean, G., Chapman, S. C., Zheng, B., van Oosterom, E. J. and Hammer, G. L. (2017) Quantifying high temperature risks and their potential effects on sorghum production in Australia. Field Crops Research, 211 . pp. 77-88. ISSN 0378-4290

2016

Alam, M. M., van Oosterom, E. J., Cruickshank, A. W., Jordan, D. R. and Hammer, G. L. (2016) Predicting Tillering of Diverse Sorghum Germplasm across Environments. Crop Science . ISSN 0011-183X

Potgieter, A. B., Lobell, D. B., Hammer, G. L., Jordan, D. R., Davis, P. and Brider, J. (2016) Yield trends under varying environmental conditions for sorghum and wheat across Australia. Agricultural and Forest Meteorology, 228–22 . pp. 276-285. ISSN 0168-1923

2015

Spackman, G., Neale, T., Reid, D. J. and Hammer, G. L. (2015) A crop productivity research protocol for long wall mining. Agricultural Science, 27 (2). pp. 39-43. ISSN 1030-4614

Lobell, D. B., Hammer, G. L., Chenu, K., Zheng, B., McLean, G. and Chapman, S. C. (2015) The shifting influence of drought and heat stress for crops in Northeast Australia. Global Change Biology, 21 (11). pp. 4115-4127.

2014

Holzworth, D. P., Huth, N. I., deVoil, P. G., Zurcher, E. J., Herrmann, N. I., McLean, G., Chenu, K., van Oosterom, E. J., Snow, V., Murphy, C., Moore, A. D., Brown, H., Whish, J. P.M., Verrall, S., Fainges, J., Bell, L. W., Peake, A. S., Poulton, P. L., Hochman, Z., Thorburn, P. J., Gaydon, D. S., Dalgliesh, N. P., Rodriguez, D., Cox, H., Chapman, S., Doherty, A., Teixeira, E., Sharp, J., Cichota, R., Vogeler, I., Li, F. Y., Wang, E., Hammer, G. L., Robertson, M. J., Dimes, J. P., Whitbread, A. M., Hunt, J., van Rees, H., McClelland, T., Carberry, P. S., Hargreaves, J. N.G., MacLeod, N., McDonald, C., Harsdorf, J., Wedgwood, S. and Keating, B. A. (2014) APSIM – Evolution towards a new generation of agricultural systems simulation. Environmental Modelling & Software . ISSN 13648152

Alam, M. M., Hammer, G. L., van Oosterom, E. J., Cruickshank, A. W., Hunt, C. H. and Jordan, D. R. (2014) A physiological framework to explain genetic and environmental regulation of tillering in sorghum. New Phytologist, 203 (1). pp. 155-167. ISSN 1469-8137

Hammer, G. L., McLean, G., Chapman, S., Zheng, B., Doherty, A., Harrison, M. T., van Oosterom, E. and Jordan, D. (2014) Crop design for specific adaptation in variable dryland production environments. Crop and Pasture Science, 65 (7). pp. 614-626.

Borrell, A. K., Mullet, J. E., George-Jaeggli, B., van Oosterom, E. J., Hammer, G. L., Klein, P. E. and Jordan, D. R. (2014) Drought adaptation of stay-green sorghum is associated with canopy development, leaf anatomy, root growth, and water uptake. Journal of Experimental Botany, 65 (21). pp. 6251-6263.

Kholova, J., Murugesan, T., Kaliamoorthy, S., Malayee, S., Baddam, R., Hammer, G. L., McLean, G., Deshpande, S., Hash, C. T., Craufurd, P. Q. and Vadez, V. (2014) Modelling the effect of plant water use traits on yield and stay-green expression in sorghum. Functional Plant Biology, 41 (11). pp. 1019-1034.

Alam, M. M., Mace, E. S., van Oosterom, E. J., Cruickshank, A. W., Hunt, C. H., Hammer, G. L. and Jordan, D. R. (2014) QTL analysis in multiple sorghum populations facilitates the dissection of the genetic and physiological control of tillering. Theoretical and Applied Genetics, 127 (10). pp. 2253-2266. ISSN 0040-5752

Borrell, A. K., van Oosterom, E. J., Mullet, J. E., George-Jaeggli, B., Jordan, D. R., Klein, P. E. and Hammer, G. L. (2014) Stay-green alleles individually enhance grain yield in sorghum under drought by modifying canopy development and water uptake patterns. New Phytologist, 203 (3). p. 817. ISSN 0028646X

2013

Nguyen, C.T., Singh, V., van Oosterom, E. J., Chapman, S. C., Jordan, D. R. and Hammer, G. L. (2013) Genetic variability in high temperature effects on seed-set in sorghum. Functional Plant Biology, 40 (5). pp. 439-448. ISSN 1445-4408

Christopher, J., Christopher, M., Jennings, R., Jones, S., Fletcher, S., Borrell, A., Manschadi, A.M., Jordan, D. R., Mace, E. S. and Hammer, G. L. (2013) QTL for root angle and number in a population developed from bread wheats (Triticum aestivum) with contrasting adaptation to water-limited environments. Theoretical and Applied Genetics, 126 (6). pp. 1563-1574. ISSN 00405752 (ISSN)

2012

Mace, E. S., Singh, V., Van Oosterom, E. J., Hammer, G. L., Hunt, C. H. and Jordan, D. R. (2012) QTL for nodal root angle in sorghum (Sorghum bicolor L. Moench) co-locate with QTL for traits associated with drought adaptation. Theoretical and Applied Genetics, 124 (1). pp. 97-109.

2011

van Oosterom, E. J., Borrell, A. K., Deifel, K. S. and Hammer, G. L. (2011) Does increased leaf appearance rate enhance adaptation to postanthesis drought stress in sorghum? Crop Science, 51 (6). pp. 2728-2740. ISSN 0011-183X

George-Jaeggli, B., Jordan, D. R., van Oosterom, E. J. and Hammer, G. L. (2011) Decrease in sorghum grain yield due to the dw3 dwarfing gene is caused by reduction in shoot biomass. Field Crops Research, 124 (2). pp. 231-239. ISSN 0378-4290

Singh, V., van Oosterom, E. J., Jordan, D. R., Hunt, C. H. and Hammer, G. L. (2011) Genetic variability and control of nodal root angle in sorghum. Crop Science, 51 (5). pp. 2011-2020.

Vadez, V., Deshpande, S. P., Kholova, J., Hammer, G. L., Borrell, A. K., Talwar, H. S. and Hash, C. T. (2011) Stay-green quantitative trait loci's effects on water extraction, transpiration efficiency and seed yield depend on recipient parent background. Functional Plant Biology, 38 (7). pp. 553-566. ISSN 1445-4408

2010

Hammer, G. L., van Oosterom, E., McLean, G., Chapman, S. C., Broad, I. J., Harland, P. and Muchow, R. C. (2010) Adapting APSIM to model the physiology and genetics of complex adaptive traits in field crops. Journal of Experimental Botany, 61 (8). pp. 2185-2202. ISSN 0022-0957

Manschadi, A.M., Christopher, J. T., Hammer, G. L. and Devoil, P. (2010) Experimental and modelling studies of drought-adaptive root architectural traits in wheat (Triticum aestivum L.). Plant Biosystems, 144 (2). pp. 458-462. ISSN 11263504 (ISSN)

Singh, V., van Oosterom, E. J., Jordan, D. R., Messina, C. D., Cooper, M. and Hammer, G. L. (2010) Morphological and architectural development of root systems in sorghum and maize. Plant and Soil, 333 . pp. 287-299. ISSN 1573-5036

2009

Hammer, G. L., Dong, Z., McLean, G., Doherty, A., Messina, C., Schussler, J., Zinselmeier, C., Paszkiewicz, S. and Cooper, M. (2009) Can Changes in Canopy and/or Root System Architecture Explain Historical Maize Yield Trends in the U.S. Corn Belt? Crop Science, 49 (1). pp. 299-312. ISSN 0011-183X

Chenu, K., Chapman, S. C., Tardieu, F., McLean, G., Welcker, C. and Hammer, G. L. (2009) Simulating the Yield Impacts of Organ-Level Quantitative Trait Loci Associated With Drought Response in Maize: A “Gene-to-Phenotype” Modeling Approach. Genetics, 183 (4). pp. 1507-1523. ISSN 1943-2631

2006

Holzworth, D. P., Meinke, H., DeVoil, P., Wegener, M., Huth, N., Hammer, G. L., Howden, M., Robertson, M. J., Carberry, P. S., Freebairn, D. and Murphy, C. (2006) The development of a farming systems model (APSIM) - A disciplined approach. In: 3rd International Congress on Environmental Modelling and Software, July 2006, Vermont, USA.

2005

Cooper, M. and Hammer, G. L. (2005) Preface to special issue: Complex traits and plant breeding - Can we understand the complexities of gene-to-phenotype relationships and use such knowledge to enhance plant breeding outcomes? Australian Journal of Agricultural Research, 56 (9). pp. 869-872. ISSN 1836-0947

Hammer, G. L., Chapman, S. C., van Oosterom, E. J. and Podlich, D. W. (2005) Trait physiology and crop modelling as a framework to link phenotypic complexity to underlying genetic systems. Australian Journal of Agricultural Research, 56 (9). pp. 947-960. ISSN 1836-0947

Potgieter, A. B., Hammer, G. L., Doherty, A. and de Voil, P. (2005) A simple regional-scale model for forecasting sorghum yield across North-Eastern Australia. Agricultural and Forest Meteorology, 132 (1-2). pp. 143-153. ISSN 0168-1923

Meinke, H., de Voil, P., Hammer, G. L., Power, S., Allan, R., Stone, R. C., Folland, C. and Potgieter, A. B. (2005) Rainfall variability of decadal and longer time scales: Signal or noise? Journal of Climate, 18 (1). pp. 89-96. ISSN 0894-8755

Potgieter, A. B., Hammer, G. L., Meinke, H., Stone, R. C. and Goddard, L. (2005) Three putative types of El Niño revealed by spatial variability in impact on Australian wheat yield. Journal of Climate, 18 (10). pp. 1566-1574. ISSN 0894-8755

2004

Hill, H. S. J., Mjelde, J. W., Love, H. A., Rubas, D. J., Fuller, S. W., Rosenthal, W. and Hammer, G. L. (2004) Implications of seasonal climate forecasts on world wheat trade: A stochastic, dynamic analysis. Canadian Journal of Agricultural Economics, 52 (3). pp. 289-312. ISSN 1744-7976

Christopher, J. T., Borrell, A. K., Manschadi, A. M., Hammer, G. L. and Chapman, S. C. (2004) Developing high yielding wheat for water limited environments in northern Australia. In: "New Directions for a Diverse Planet", 4th International Crop Science Congress in conjunction with the 12th Australian Agronomy Conference and the 5th Asian Crop Science Conference, 26 September - 1 October 2004, Brisbane, Australia. Australian Society of Agronomy.

George-Jaeggli, B., Broad, I. J., Hammer, G. L. and Jordan, D. R. (2004) Is increased radiation use efficiency in sorghum related to increased height. New Directions for a Diverse Planet: Proceedings for the 4th International Crop Science Congress .

Broad, I. J. and Hammer, G. L. (2004) Soil exploration by sorghum root systems in wide row cropping systems. In: "New Directions for a Diverse Planet", 4th International Crop Science Congress in conjunction with the 12th Australian Agronomy Conference and the 5th Asian Crop Science Conference, 26 September - 1 October 2004, Brisbane, Australia. Australian Society of Agronomy.

2003

Keating, B. A., Carberry, P. S., Hammer, G. L., Probert, M. E., Robertson, M. J., Holzworth, D., Huth, N. I., Hargreaves, J. N. G., Meinke, H., Hochman, Z., McLean, G., Verburg, K., Snow, V., Dimes, J. P., Silburn, M., Wang, E., Brown, S., Bristow, K. L., Asseng, S., Chapman, S., McCown, R. L., Freebairn, D. M. and Smith, C. J. (2003) An overview of APSIM, a model designed for farming systems simulation. European Journal of Agronomy, 18 (3). pp. 267-288. ISSN 1161-0301

Chapman, S. C., Cooper, M., Podlich, D. and Hammer, G. L. (2003) Evaluating plant breeding strategies by simulating gene action and dryland environment effects. Agronomy Journal, 95 (1). pp. 99-113. ISSN 1435-0645

Lyon, D. J., Hammer, G. L., McLean, G. B. and Blumenthal, J. M. (2003) Simulation supplements field studies to determine no-till dryland corn population recommendations for semiarid western Nebraska. Agronomy Journal, 95 (4). pp. 884-891. ISSN 1435-0645

Borrell, A. K., Oosterom, E. v., Hammer, G. L., Jordan, D. R. and Douglas, A. (2003) The physiology of "stay-green" in sorghum. In: Solutions for a Better Environment: Proceedings of the 11th Australian Agronomy Conference Geelong, Victoria 2-6 February 2003. Australian Society of Agronomy. ISBN 0-9750313-0-9

2002

Nelson, R.A., Holzworth, D.P., Hammer, G. L. and Hayman, P.T. (2002) Infusing the use of seasonal climate forecasting into crop management practice in North East Australia using discussion support software. Agricultural Systems, 74 (3). pp. 393-414. ISSN 0308-521X

Chapman, S. C., Cooper, M. and Hammer, G. L. (2002) Using crop simulation to generate genotype by environment interaction effects for sorghum in water-limited environments. Australian Journal of Agricultural Research, 53 (4). pp. 379-389. ISSN 1836-0947

Potgieter, A. B., Hammer, G. L. and Butler, D. (2002) Spatial and temporal patterns in Australian wheat yield and their relationship with ENSO. Australian Journal of Agricultural Research, 53 (1). pp. 77-89. ISSN 1836-0947

Lafarge, T. A. and Hammer, G. L. (2002) Predicting plant leaf area production: shoot assimilate accumulation and partitioning, and leaf area ratio, are stable for a wide range of sorghum population densities. Field Crops Research, 77 (2-3). pp. 137-151.

Lafarge, T.A., Broad, I. J. and Hammer, G. L. (2002) Tillering in Grain Sorghum over a Wide Range of Population Densities: Identification of a Common Hierarchy for Tiller Emergence, Leaf Area Development and Fertility. Annals of Botany, 90 (1). pp. 87-98. ISSN 0305-7364

2001

Potgieter, A. B., Hammer, G. L. and deVoil, P. (2001) A regional commodity forecasting system for major crops in Australia. Geo-spatial Information in Agriculture .

White, D. H., Wilhite, D. A., O'Meagher, B. and Hammer, G. L. (2001) Highlights of drought policy and related science in Australia and the USA. Water International, 26 (3). pp. 349-357. ISSN 0250-8060

2000

Borrell, A. K., Hammer, G. L. and Douglas, C. A. (2000) Does Maintaining Green Leaf Area in Sorghum Improve Yield under Drought? I. Leaf Growth and Senescence. Crop Science, 40 (4). pp. 1026-1037. ISSN 0011-183X

Chapman, S. C., Cooper, M., Hammer, G. L. and Butler, D. G. (2000) Genotype by environment interactions affecting grain sorghum. II. Frequencies of different seasonal patterns of drought stress are related to location effects on hybrid yields. Australian Journal of Agricultural Research, 51 (2). pp. 209-222. ISSN 1836-0947

Chapman, S. C., Hammer, G. L., Butler, D. G. and Cooper, M. (2000) Genotype by environment interactions affecting grain sorghum. III. Temporal sequences and spatial patterns in the target population of environments. Australian Journal of Agricultural Research, 51 (2). pp. 223-234. ISSN 1836-0947

Bange, M. P., Hammer, G. L., Milroy, S. P. and Rickert, K.G. (2000) Improving Estimates of Individual Leaf Area of Sunflower. Agronomy Journal, 92 (4). pp. 761-765. ISSN 1435-0645

Borrell, A. K. and Hammer, G. L. (2000) Nitrogen Dynamics and the Physiological Basis of Stay-Green in Sorghum. Crop Science, 40 (5). pp. 1295-1307. ISSN 0011-183X

1999

Crauford, P.Q., Mahalakshmi, V., Bidinger, F.R., Mukuru, S.Z., Chantereau, J., Omanga, P.A., Qi, A., Roberts, E.H., Ellis, R.H., Summerfield, R.J. and Hammer, G. L. (1999) Adaptation of sorghum: Characterisation of genotypic flowering responses to temperature and photoperiod. Theoretical and Applied Genetics, 99 . pp. 900-911. ISSN 0040-5752

Birch, C.J., Hammer, G. L. and Rickert, K.G. (1999) Dry matter accumulation and distribution in five cultivars of maize (Zea mays): Relationships and procedures for use in crop modelling. Australian Journal of Agricultural Research, 50 (4). pp. 513-528. ISSN 1836-0947

Mortlock, M. Y. and Hammer, G. L. (1999) Genotype and water limitation effects on transpiration efficiency in sorghum. Journal of Crop Production, 2 (2). pp. 265-286. ISSN 1542-7528

1998

Rosenthal, W.D., Hammer, G. L. and Butler, D. (1998) Predicting regional grain sorghum production in Australia using spatial data and crop simulation modelling. Agricultural and Forest Meteorology, 91 (3-4). pp. 263-274. ISSN 0168-1923

Meinke, H., Rabbinge, R., Hammer, G. L., van Keulen, H. and Jamieson, P. D. (1998) Improving wheat simulation capabilities in Australia from a cropping systems perspective. II. Testing simulation capabilities of wheat growth. European Journal of Agronomy, 8 (1-2). pp. 83-99. ISSN 1161-0301

Meinke, H., Hammer, G. L., van Keulen, H. and Rabbinge, R. (1998) Improving wheat simulation capabilities in Australia from a cropping systems perspective. III. The integrated wheat model (I-WHEAT). European Journal of Agronomy, 8 (1-2). pp. 101-116. ISSN 1161-0301

Birch, C.J., Hammer, G. L. and Rickert, K.G. (1998) Temperature and photoperiod sensitivity of development in five cultivars of maize (Zea mays L.) from emergence to tassel initiation. Field Crops Research, 55 (1-2). pp. 93-107. ISSN 0378-4290

Henderson, S., Von Caemmerer, S., Farquhar, G. D., Wade, L. and Hammer, G. L. (1998) Correlation between carbon isotope discrimination and transpiration efficiency in lines of the C4 species Sorghum bicolor in the glasshouse and the field. Australian Journal of Plant Physiology, 25 (1). pp. 111-123. ISSN 1445-4408

Hammer, G. L. (1998) Crop modelling: Current status and opportunities to advance. Acta Horticulturae, 456 . pp. 27-36. ISSN 0567-7572

Hammer, G. L. (1998) Crop modelling: current status and opportunities to advance. Acta Horticulturae, 456 . pp. 27-36. ISSN 0567-7572

Birch, C.J., Hammer, G. L. and Rickert, K.G. (1998) Improved methods for predicting individual leaf area and leaf senescence in maize (Zea mays). Australian Journal of Agricultural Research, 49 (2). pp. 249-262. ISSN 1836-0947

Healey, K.D., Hammer, G. L., Rickert, K.G. and Bange, M.P. (1998) Radiation use efficiency increases when the diffuse component of incident radiation is enhanced under shade. Australian Journal of Agricultural Research, 49 (4). pp. 665-672. ISSN 1836-0947

Bange, M. P., Hammer, G. L. and Rickert, K. G. (1998) Temperature and sowing date affect the linear increase of sunflower harvest index. Agronomy Journal, 90 (3). pp. 324-328. ISSN 1435-0645

1997

Meinke, H., Hammer, G. L., van Keulen, H., Rabbinge, R. and Keating, B. A. (1997) Improving wheat simulation capabilities in Australia from a cropping systems perspective: Water and nitrogen effects on spring wheat in a semi-arid environment. European Journal of Agronomy, 7 (1-3). pp. 75-88. ISSN 1161-0301

Bange, M.P., Hammer, G. L. and Rickert, K.G. (1997) Effect of radiation environment on radiation use efficiency and growth of sunflower. Crop Science, 37 (4). pp. 1208-1214. ISSN 0011-183X

Bange, M.P., Hammer, G. L. and Rickert, K.G. (1997) Effect of specific leaf nitrogen on radiation use efficiency and growth of sunflower. Crop Science, 37 (4). pp. 1201-1208. ISSN 0011-183X

Meinke, H. and Hammer, G. L. (1997) Forecasting regional crop production using SOI phases: An example for the Australian peanut industry. Australian Journal of Agricultural Research, 48 (6). pp. 789-794. ISSN 1836-0947

Hammer, G. L., Farquhar, G. D. and Broad, I. J. (1997) On the extent of genetic variation for transpiration efficiency in sorghum. Australian Journal of Agricultural Research, 48 (5). pp. 649-656.

1996

Stone, R. C., Hammer, G. L. and Nicholls, N. (1996) Frost in northeast Australia: Trends and influences of phases of the Southern Oscillation. Journal of Climate, 9 (8). pp. 1896-1909. ISSN 0894-8755

Meinke, H., Stone, R. C. and Hammer, G. L. (1996) SOI phases and climatic risk to peanut production: A case study for Northern Australia. International Journal of Climatology, 16 (7). pp. 783-789. ISSN 0899-8418

Vanderlip, R.L., Hammer, G. L. and Muchow, R.C. (1996) Assessing planting opportunities in semiarid subtropical environments. Agricultural Systems, 51 (1). pp. 97-112. ISSN 0308-521X

1995

McCown, R.L., Hammer, G. L., Hargreaves, J. N.G., Holzworth, D. and Huth, N. I. (1995) APSIM: an agricultural production system simulation model for operational research. Mathematics and Computers in Simulation, 39 (3-4). pp. 225-231. ISSN 1872-7166

Hammer, G. L., Sinclair, T. R., Boote, K. J., Wright, G. C., Meinke, H. and Bell, M. J. (1995) A peanut simulation model: I. Model development and testing. Agronomy Journal, 87 (6). pp. 1085-1093. ISSN 1435-0645

Thomas, -, Fukai, S. and Hammer, G. L. (1995) Growth and yield response of barley and chickpea to water stress under three environments in southeast Queensland. II. Root growth and soil water extraction pattern. Australian Journal of Agricultural Research, 46 (1). pp. 35-48. ISSN 1836-0947

1994

Hammer, G. L. and Muchow, R.C. (1994) Assessing climatic risk to sorghum production in water-limited subtropical environments I. Development and testing of a simulation model. Field Crops Research, 36 (3). pp. 221-234. ISSN 0378-4290

Hammer, G. L. and Wright, G. C. (1994) A theoretical analysis of nitrogen and radiation effects on radiation use efficiency in peanut. Australian Journal of Agricultural Research, 45 (3). pp. 575-589. ISSN 1836-0947

1993

Hammer, G. L., Carberry, P. S. and Muchow, R.C. (1993) Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. I. Whole plant level. Field Crops Research, 33 (3). pp. 293-310. ISSN 0378-4290

Robertson, M. J., Fukai, S., Ludlow, M.M. and Hammer, G. L. (1993) Water extraction by grain sorghum in a sub-humid environment. I. Analysis of the water extraction pattern. Field Crops Research, 33 (1-2). pp. 81-97. ISSN 0378-4290

Robertson, M. J., Fukai, S., Ludlow, M.M. and Hammer, G. L. (1993) Water extraction by grain sorghum in a sub-humid environment. II. Extraction in relation to root growth. Field Crops Research, 33 (1-2). pp. 99-112. ISSN 0378-4290

Meinke, H., Hammer, G. L. and Want, P. (1993) Potential soil water extraction by sunflower on a range of soils. Field Crops Research, 32 (1-2). pp. 59-81. ISSN 0378-4290

1991

Shorter, R., Lawn, R.J. and Hammer, G. L. (1991) Improving Genotypic Adaptation in Crops – a Role for Breeders, Physiologists and Modellers. Experimental Agriculture, 27 (2). pp. 155-175. ISSN 0014-4797

1989

Hammer, G. L., Vanderlip, R.L., Gibson, G., Wade, L. J., Henzell, R.G., Younger, D.R., Warren, J. and Dale, A.B. (1989) Genotype-by-environment interaction in grain sorghum. II. effects of temperature and photoperiod on ontogeny. Crop Science, 29 (2). pp. 376-384. ISSN 0011-183X

1987

Hammer, G. L., Woodruff, D.R. and Robinson, J.B. (1987) Effects of climatic variability and possible climatic change on reliability of wheat cropping-A modelling approach. Agricultural and Forest Meteorology, 41 (1-2). pp. 123-142. ISSN 0168-1923