Contributed Papers

Farmers’ risk perspective on adoption of legume crops
A.K. Abadi Ghadim¹ , D.J. Pannell¹, A. Bennett², and V. Stewart³

Variation of wheat and subterranean clover cultivars in susceptibility to vulpia residue phytotoxicity
Min An, J. E. Pratley, T. Haig, and P. Jellett

TOPCROP - integrated marketing meets extension
R. Andrews and S.G. Till

Improved pastures and their effects on subsequent crops
J.F. Angus, M.B. Peoples, R.R. Gault, P.A. Gardner and G.N. Howe

Manage rice: decision support for tactical crop management
J. F. Angus¹, R.L. Williams² and C.O. Durkin¹

Sustainable resource use and the evaluation of agronomy R&D
G. Antony¹ and P. Cox²

The effect of non-lethal water deficits during establishment on the growth of wheat crops
L.J. Armstrong¹, D.G. Abrecht², W.K. Anderson², and R.K Belford³

Utilisation of nitrogen from plant residues and fertilisers by wheat in central Queensland farming systems
R.D. Armstrong, M. Probert¹, and K. McCosker

Effects of surface soil mixing after long-term zero tillage on soil nutrient distribution and wheat production
M. Asghar¹, D.W. Lack², B.A. Cowie² and J.C. Parker²

Effects of surface soil mixing after long-term zero tillage on soil nutrient concentration and wheat production   
M. Asghar1 , D.W. Lack2 , B.A. Cowie2 and J.C. Parker2

Effects of tillage practice and ley pasture on soybean productivity on a degraded Ferrosol
M.J. Bell¹, B.J. Bridge², G.R. Harch¹ , D.N. Orange³, R.C. Dalal³, and R.M. Mason¹

Quantifying the yield-density relationship for narrow-leafed lupin (lupinus angustifolius) in Tasmania
A.C. Bishop¹ and N.J. Mendham²

When Adoption Theory Fails
D.S. Blacket

Are district nitrogen recipes obsolete?
M.J. Cahill¹ and W.M. Strong²

An Integrated Program to Improve Anthracnose Resistance in Stylosanthes - A Review 
D.F. Cameron¹, L.A. Edye², S. Chakraborty³, J.M. Manners³, C.J. Liu¹ , R.A. Date¹, and R.M. Boland⁴

Establishment of surface-sown pastures on unploughed infertile soil   
M.H. Campbell

Farmer discussion groups - past, present and future
T. Campbell¹, N. Bales², and N. Postlethwaite³

Impact of deferred grazing and stocking density on annual medic
Chaichi, M.R., Carter, E.D. and Tow, P.G.

Summer grazing management of medic pasture to ensure adequate dry residues and seed reserves
Chaichi, M.R., Carter, E.D. and Tow, P.G.

Impact of stocking density and duration in spring on medic growth and development
Chaichi, M.R., Carter, E.D. and Tow, P.G.

Differences in Radiation Use Efficiency among lines in a Tropical Maize Population 
S.C. Chapman1and G.O. Edmeades

Soil management strategies for increased winter pasture production on dryland dairy farms
B.P. Christy¹, D.J. Watson¹, L. Trapnell², G. Drysdale¹, and G.R. Steed¹

Agronomy and farm viability
N. Clark, H. van Rees, P. O’Callaghan, and R. Rendell

THE POTENTIAL OF UPGRADED PERENNIAL PASTURES TO REDUCE GROUNDWATER RECHARGE IN SOUTHERN VICTORIA
C. Clifton¹ and P. Schroder²

Measuring the effects of landuse and land management 
on river water quality
P.S. Cornish¹, B. Baginska¹, G. Kuczera² and D. Jones³

INCREASING COMMITMENT TO PASTURES IS THE KEY TO IMPROVING FARM PRODUCTIVITY IN THE EAST GIPPSLAND WOOL INDUSTRY
J. Court

SURFACE SOIL NUTRIENT DISTRIBUTION FOLLOWING 
ZERO TILLAGE AND TRADITIONAL TILLAGE MANAGEMENT
B.A. Cowie¹, M. Hastie¹, S.B. Hunt², M. Asghar³, and D.W. Lack¹

CAUGHT IN THE WEB: USE OF THE INTERNET IN AGRICULTURAL R,D&E
P.G. Cox¹ and S.C. Chapman²

RE-ENGINEERING AGRICULTURAL R,D&E TO SUPPORT MANAGEMENT DECISION-MAKING: PROBLEMS AND PROSPECTS
P.G. Cox¹, N.D. MacLeod², P.E. Ridge¹, and A.D. Shulman³

BELOW-GROUND INPUTS OF CARBON BY CROPS AND PASTURES
M.C. Crawford^1,2, P.R. Grace¹, W.D. Bellotti^1,3, and J.M. Oades²

EFFECTS OF FALLOW MANAGEMENT AND CROPPING SEQUENCES ON PRODUCTION AND RESIDUAL N UPTAKE IN WHEAT 
G.J. Crocker¹ and I.C.R. Holford²

SOIL MOISTURE MANAGEMENT, CROP MONITORING AND ISO 9000: AGRICULTURE'S FUTURE
P. Cull

SUSTAINABILITY AND PROFITABILITY: A CASE STUDY FROM THE WARRA EXPERIMENT
R.C. Dalal¹, W.M. Strong¹, E.J. Weston², M.J. Cahill², J. Gaffney², 
J.E. Cooper¹, K.J. Lehane², and A.J. King¹

DEVELOPING WELL ADAPTED EARLY TO MIDSEASON CULTIVARS OF TRIFOLIUM SUBTERRANEUM SSP. BRACHYCALYCINUM - AN UPDATE
C.T. de Koning¹, P.G.H. Nichols², R.L. Tuckwell³ and N. Schubert¹

PRELIMINARY INVESTIGATION OF LOCALLY ADAPTED ECOTYPES OF TRIFOLIUM SUBTERRANEUM SSP. BRACHYCALYCINUMCV. CLARE IN SOUTH AUSTRALIA
C.T. deKoning¹, R.L. Tuckwell², and W.D. Bellotti³

FACTORS INVOLVED IN ANNUAL MEDIC DECLINE SYNDROME IN THE MURRAY MALLEE, SOUTH AUSTRALIA
M.D. Denton and W.D. Bellotti

EFFECT OF PHOSPHORUS RATE AND PLACEMENT ON EARLY GROWTH AND NODULATION OF FIELD PEAS (PISUM SATIVUM L. CV ALMA)
A. Derafshi¹, N.S. Wilhelm², and D.J. Reuter³

WHEAT PRODUCTION AND SOIL CHEMICAL PROPERTIES OF ORGANIC AND CONVENTIONAL PAIRED SITES IN WESTERN AUSTRALIA
A. Deria, R.W. Bell, and G. O’Hara

RARE EARTH ELEMENTS AND PLANT GROWTH
E. Diatloff¹, C.J. Asher², and F.W. Smith¹

HOWWET? - A TOOL FOR PREDICTING FALLOW WATER STORAGE.
J.P. Dimes, D.M. Freebairn, and S.F. Glanville

PERSISTENCE OF TEMPERATE PASTURES IN A SUBTROPICAL ENVIRONMENT
D. Donaghy and W.J. Fulkerson

MANAGING NITROGEN IN CROPPING SYSTEMS FOLLOWING LEGUME LEYS
J. A. Doughton¹, G.T. McNamara², Guixin Pu³, W.M. Strong² and P.G. Saffigna⁴

THE EFFECT OF SOIL AMMONIUM CONCENTRATION AND OSMOTIC PRESSURE ON SEEDLING EMERGENCE
C.W. Dowling

THE SOCIAL IMPACT OF COMPUTER NETWORKING ON THE RESTRUCTURING OF AN EXTENSION SERVICE
W.J. Easdown

ALTERNATIVES TO THE SOFTWARE PRODUCT MENTALITY IN EXTENSION 
W.J. Easdown

INTERCROPPING WHEAT, OATS AND BARLEY INTO LUCERNE IN VICTORIA
P. Egan and K.P. Ransom

SEWAGE SLUDGE: RESOURCE OR POLLUTANT
G. Evans, P. Rowland, J. Walcott

THE EFFECT OF NITRATE CONCENTRATION ON THE GROWTH AND NODULATION OF SEVERAL ANNUAL SPECIES OF MEDICAGO
M.A. Ewing

THE EFFECT OF ROW SPACING AND SEEDING RATE ON CHICKPEA YIELD IN NORTHERN NEW SOUTH WALES
W.L. Felton, H. Marcellos and R.D. Murison

PRIME HARD WHEAT AND MALTING BARLEY - HOW DOES PROFILE NITROGEN INFLUENCE THE FARMER’S CHOICE?
M.A. Foale¹, M.J. Cahill², H.W. Cox³, N. Douglas⁴, and C. Dowling⁵

FARMERS, ADVISERS AND RESEARCHERS LEARNING TOGETHER BETTER MANAGEMENT OF CROPS AND CROPLANDS
M.A. Foale¹, P.S. Carberry², R.L. McCown³, M.E. Probert⁴, J.P. Dimes⁵, 
N.P. Dalgliesh⁶, and D. Lack⁷

A SUCCESSFUL PASTURE SOIL NUTRITION PROGRAM
R.D. Freebairn¹, W. McDonald², C.L. Mullen³, G. Crocker², D. Lang⁴, and R. Watson⁵

NUTRIENT THREAT TO SUSTAINABLE AGRICULTURE
R.J. French¹ and A.D. Rovira²

MAINTAINING WHITE CLOVER (TRIFOLIUM REPENS) IN A KIKUYU (PENNISETUM CLANDESTINUM) PASTURE IN THE SUBTROPICS
W.J. Fulkerson and K. Slack

HIGH CONCENTRATIONS OF SOIL SOLUTION PHOSPHORUS IN WIMMERA SOILS
W.K. Gardner^a and B. Zarcinas^b

SYSTEMS MODELLING FRAMEWORK FOR CATCHMENT-SCALE SALINITY MANAGEMENT
Romy Greiner

ROTATION WITH CANOLA AND OPTIMISING WHEAT YIELD IN NORTH-EAST VICTORIA
P.J. Haines¹, J.M. Curran^1,2, and D.R. Coventry^1,3

SOIL TESTING IN THE PADDOCK: AN EVALUATION OF A FIELD TEST KIT
P.D. Handson

A CASE STUDY IN DECISION SUPPORT INFORMATION: 
A MANUAL TITLED MAKING BETTER DECISIONS FOR YOUR PROPERTY
P. Harris¹ and J. Gray ²

OPPORTUNITY CROPPING ON THE LIVERPOOL PLAINS: A COMPARISON OF RISK ASSESSMENT BY FARMERS AND SIMULATION MODELS
P.T. Hayman¹, D.M. Freebairn², and A.K.S. Huda¹

ADAPTING A BARLEY GROWTH MODEL TO PREDICT GRAIN PROTEIN CONCENTRATION FOR DIFFERENT WATER AND NITROGEN AVAILABILITIES
D.J. Hector^1,2 , S. Fukai¹ and P.J. Goyne³

METHODS TO ASSESS SOIL CHEMICAL PROPERTIES AND THEIR RELATIONSHIP WITH FIELD MEASUREMENTS OF INFILTRATION AND EROSION.
D.K. Malinda and R.G. Fawcett

HALOSULFURON-METHYL AND IMAZETHAPYR for the SELECTIVE CONTROL OF KYLLINGA (CYPERUS BREVIFOLIUS ROTTB.) IN IRRIGATED PASTURE
F.L.F. Henskens¹, K.O. Fallow², and R.H. Slarke¹

MANAGING THE PASTORAL LANDSCAPE: ADDING A SPATIAL DIMENSION?
M.J. Hill¹, P.J. Vickery², G.E. Donald¹, E.P. Furnival¹, and C. Mulcahy¹

NITROGEN FIXATION IN CHICKPEA AS AFFECTED BY PLANTING TIME AND TILLAGE PRACTICE
C.P. Horn¹, R.C. Dalal², C.J. Birch³ and J.A. Doughton⁴

The use of crop monitoring for problem analysis and decision making in wheat crops
J.D. Hughes^l, and P.D. Cregan²

DO-YOUR-OWN-RESEARCH IN THE NURSERY INDUSTRY
M.N. Hunter¹ , G.W. Hayes¹ , and S. Chamala²

ENVIRONMENTAL VANDALISM? 
TOWARDS AN OBJECTIVE ASSESSMENT OF WEED STATUS
G.J. Inglis, P.A. Pittaway, and H. Kibbler

RAISING SOYBEAN YIELD THROUGH APPLICATION OF CROP PHYSIOLOGY TO AGRONOMY AND BREEDING
A.T. James¹, R.J. Lawn² and B.C. Imrie¹

A NEW MODEL OF SPRING WHEAT PHENOLOGICAL RESPONSE TO TEMPERATURE AND DAYLENGTH
P.D. Jamieson¹, I.R. Brooking², and J.R. Porter³

MONITORING IMPROVEMENTS IN SEED PRODUCTION AND SEEDLING VIGOUR OF GREATER LOTUS (LOTUS PEDUNCULATUSCav.)
W.M. Kelman¹ and A.M. Bowman²

GRAIN OATS - A POOR BREAK CROP FOR WHEAT
J.A. Kirkegaard¹ , J.F. Angus¹, G.N. Howe¹, P.A. Gardner¹ and H.P. Cresswell²

Suppression of soil-borne cereal pathogens and inhibition of wheat germination by mustard seed meal
J.A. Kirkegaard¹, P.T.W. Wong², J.M. Desmarchelier³ and M. Sarwar¹

STRATEGIC INITIATIVES TO IDENTIFY AND MEET MARKET OPPORTUNITIES IN THE AUSTRALIAN GRAINS INDUSTRY
S. Lack and S. Till

ANNUAL MEDIC CULTIVAR MIXTURES IN SEMI-ARID FARMING SYSTEMS 
R.A. Latta¹ and E.D. Carter²

SOIL NITROGEN DECISION AID PUTS FARMERS IN CONTROL
D.N. Lawrence¹, S.T. Cawley², M.J. Cahill³, N. Douglas⁴, and J.A. Doughton⁵

IMPROVED VARIETY TESTING AND RELEASE PROCEDURES IN THE AUSTRALIAN GRAINS INDUSTRY
A. Lazenby¹ and S. Till²

THE INFLUENCE OF ALLEY FARMING AND INTERCROPPING ON THE YIELD OF LUPINS
E.C. Lefroy¹ and D.P.C. Melvin²

DEVELOPMENT AND APPLICATION OF RFLP AND STS IN STYLOSANTHES
C.J. Liu¹ and J.M. Musial²

ADAPTATION OF FABA BEAN TO MEDITERRANEAN ENVIRONMENTS OF WESTERN AUSTRALIA 
S.P. Loss and K.H.M. Siddique

PROMISING NEW GRAIN LEGUMES FOR WESTERN AUSTRALIA
S.P. Loss, K.H.M. Siddique and R. Jettner

EVOLUTION AND ACCOUNTABILITY IN THE GRDC
J.V. Lovett

WHEAT BREEDING IN GERMANY, ASSISTED BY MODERN EQUIPMENT
AND ASPECTS OF TOMORROW
H.-U. Hege¹ and L.J. Mock²

TRENDS IN CROP PRODUCTION AND SOIL PROPERTIES IN A LONG-TERM TRIAL AT TARLEE, SOUTH AUSTRALIA
J.E. Schultz

CARRYOVER OF SOIL NITRATE-N FOLLOWING FERTILISER APPLICATION TO WHEAT IN NORTHERN NEW SOUTH WALES
H. Marcellos, W.L. Felton, and D.F. Herridge

DEVELOPING QUALITY WHEAT VARIETIES FOR THE MARKET
D.J. Martin

AN INTEGRATED APPROACH TO LINK FARMING SYSTEMS RESEARCH, EXTENSION CO-LEARNING AND SIMULATION MODELLING
R.J. Martin¹, P.S. Cornish² and A.G. Verrell³

Integrated weed management for the control of herbicide resistant annual ryegrass 
John M. Matthews, R.S. Llewellyn, S. Powles and T. Reeves

AN INTEGRATED APPROACH TO EVALUATION OF RESEARCH OPPORTUNITIES IN THE QUEENSLAND SUGAR 
R.S. McLeod¹ and M.K. Wegener²

SWAGMAN^® DESTINY: A TOOL TO PROJECT PRODUCTIVITY CHANGE DUE TO SALINITY, WATERLOGGING AND IRRIGATION MANAGEMENT
W.S. Meyer, D.C. Godwin, and R. White

EFFECTS OF SEWAGE SLUDGE ON PASTURE PRODUCTION AND SHEEP PERFORMANCE
D.L. Michalk, I.H. Curtis, C.M. Langford, P.C. Simpson, and J.T. Seaman

IMPROVEMENTS IN R, D & E ARE ON-GOING
R. Monypenny

PHENOLOGY AND GRAIN YIELD OF FIELD PEA IN THE NORTHERN CROPPING BELT
S.G. Moore ¹ , D.M. Wheatley ² , L. O’Brien ¹, R.S. Jessop ².

THE POTENTIAL FOR GROWING SUGARBEET IN THE MACKAY AND BURDEKIN SUGARCANE AREAS
T.E. Morgan¹, L.S. Chapman², S.J. Elliott¹ and A.J. Royal²

THE FITZROY RIVER CATCHMENT: AN ASSESSMENT OF THE CONDITION OF THE RIVERINE SYSTEM
R.M. Noble¹, S.K. Rummenie¹, P.E. Long², L.D. Fabbro³, and L.J. Duivenvoorden³

BREEDING NON-TOXIC PHALARIS (PHALARIS AQUATICA L.)
R.N. Oram¹ and J.P. Edlington¹

APSIM SOILWAT AND SOILN: VALIDATION AGAINST OBSERVED DATA
FOR A CRACKING CLAY SOIL
M.E. Probert¹, J.P. Dimes², R.C. Dalal³ and W.M. Strong³

MODELLING CHANGES IN SOIL MICROBIAL BIOMASS IN RESPONSE TO
ADDED CROP RESIDUES
M.E. Probert and B.A. Keating

ESTABLISHMENT OF AN OPTIMAL GRAZING TIME OF KIKUYU PASTURES FOR DAIRY COWS
M. Reeves and W.J. Fulkerson

MODELS AND DECISION SUPPORT: BRIDGING THE MODEL GAP
P.E. Ridge and P.G. Cox

INTERPRETATION AND VALUE OF SOIL NITRATE NITROGEN AT DEPTH
P.E. Ridge, M.A. Foale, P.G. Cox, and P.S. Carberry

APPLICATIONS FOR A NEW TECHNOLOGY: COMPACT WEATHER RECORDING SYSTEM
P.R. Rodeck

DO MELILOTUS SPECIES HAVE A ROLE FOR SALINE AREAS IN AUSTRALIA?
M.E. Rogers¹ and P.M. Evans²

CHEMICAL FALLOWING AND MANIPULATION OF PASTURE ALONG WITH EARLY SEEDING GIVE GREATER YIELDS AND WATER USE OF WHEAT ON A SANDY CLAY LOAM SOIL
J.J. Russell

The Effect Of Non-Selective Herbicides On Pasture And Animal Production
G.J. Scammell

MANAGING THE NITROGEN NUTRITION OF WHEAT IN
NORTHERN NEW SOUTH WALES USING NITROGEN BUDGETS 
H. Marcellos and W.L. Felton

IMPROVING THE IRRIGATION EFFICIENCY OF BURDEKIN CANEGROWERS 
E.L. Shannon1 and S.R. Raine^1,2

THE AUSTRALIAN GERMPLASM OF PINK FLOWERING SERRADELLA SPECIES
R. Snowball

Comparisons of new medicago spp. In south australia
R.S. St John-Sweeting¹, G.C. Auricht², C.L. Shaw¹, and A.A. Mohamed¹

INFORMATION NEEDS IN AGRONOMY ON THE DARLING DOWNS, QUEENSLAND
A.M. Starasts

LUCERNE/VEGETABLE ALLEY CROPPING TO CONTROL LEACHING
R.J. Stirzaker

PROFITABLE USE OF NITROGEN FERTILISER TO SUSTAIN PRODUCTION WHERE RAINFALL IS UNRELIABLE
W.M. Strong¹, M.J. Cahill², R.C. Dalal¹, E.J. Weston², and J.E. Cooper¹

OPERATION UNDERSOW: IMPROVING PERENNIAL PASTURE ESTABLISHMENT UNDER A CEREAL CROP
J.M. Taylor¹, M.P. McCarthy², and D.A. McGrath¹

FACTORS LIMITING WHEAT YIELDS UNDER ZERO TILLAGE
IN SOUTHERN QUEENSLAND
G.A. Thomas¹, G.B. Wildermuth¹, J.P. Thompson¹, J. Standley¹, and F.P.C. Blamey²

EFFECT OF PERENNIAL PASTURE TYPE ON YIELD AND PROTEIN CONTENT
OF IRRIGATED WHEAT
J.A. Thompson¹, M.E. Lattimore², K.L. O'Callaghan², and S.H. North¹

RESPONDING TO INCREASED DEMANDS FOR ACCOUNTABILITY - THE ROLE OF BENEFIT-COST ANALYSIS IN RESEARCH INVESTMENT DECISIONS
S.G Till

A MULTI-MEDIA EDUCATIONAL PROGRAM 
IN PASTURE ASSESSMENT AND MANAGEMENT
P.G. Tow¹, P. Marriott², R.S. St.John-Sweeting¹ and D. Shelton²

VEGETATIVE BARRIER WITH VETIVER GRASS: AN ALTERNATIVE TO CONVENTIONAL SOIL AND WATER CONSERVATION SYSTEM
P.N. Truong¹, P.A. Dalton², C.D. Knowles-Jackson³, and D.S. Evans⁴

ADAPTATION OF COOL-SEASON PULSES TO
WATER-LIMITED ENVIRONMENTS
N.C. Turner^1,2, L. Leport¹, R.J. French^1,3, B.D. Thomson¹ and K.H.M. Siddique^1,4

Computer simulation of the effects of cropping rotations and fallow management on solute movement
J.E. Turpin¹, N. Huth², B.A. Keating², and J.P. Thompson³

SIMULATION OF CEREAL-LEGUME ROTATIONS USING APSIM
J.E. Turpin¹, M.E. Probert², I.C.R. Holford³, and P.L. Poulton¹

HAYING-OFF IN WHEAT: ENDURING MYTH OR CURRENT PROBLEM?
A.F. van Herwaarden^1,2

PHYSIOLOGICAL RESPONSES OF SIX SPRING WHEAT VARIETIES TO NITROGEN FERTILISER
A.F. van Herwaarden^1,2, G.D. Farquhar², J.F. Angus¹, and R.A. Richards¹

ASSESSING THE ENVIRONMENTAL IMPACTS OF THE GRAINS INDUSTRY: 
AN OVERVIEW
J. Walcott, R. Williams, P. Rowland, and G. Evans

DEPLETION AND RECHARGE OF AVAILABLE SOIL WATER UNDER THREE PASTURE LEYS AND CONTINUOUS WHEAT AT WARRA 
IN SOUTHERN QUEENSLAND
E.J. Weston¹, R.C. Dalal², W.M. Strong², K.J. Lehane¹, J.E. Cooper², and A.J. King²

CHANGES IN SOIL PHYSICAL PROPERTIES AND SOIL ORGANIC CARBON FRACTIONS WITH CROPPING ON A RED BROWN EARTH SOIL
A.M. Whitbread, R.D.B. Lefroy, and G.J. Blair

Identifying Persistent Lucernes For Dryland Pastures
R.W. Williams¹ and S.P. Boschma²

PEA PHENOLOGY RESPONSES TO TEMPERATURE AND PHOTOPERIOD
D.R. Wilson and M. Robson

ECONOMICS OF PASTURE ROTATIONS IN QUEENSLAND WHEAT AREAS
P.B. Wylie

FARMING SYSTEMS - THE NEED FOR ECONOMICS AND INTEGRATION
P.B. Wylie

RUMEN FUNGAL Β-GLUCANASE AND XYLANASE GENES: POTENTIAL FOR
GENETICALLY ENGINEERED CEREAL CROPS
G.P. Xue, K.S. Gobius, P.M. Ealing, and J.H. Aylward

TRITIUM CONTENT OF SHALLOW GROUNDWATERS IN THELIVERPOOL PLAINS CATCHMENT
R.R. Young¹, A.K. Broughton², J.M. Bradd², J. Holland¹,

VARIATION IN NATURALISED MEDICAGO POLYMORPHA
COLLECTED FROM INLAND EASTERN AUSTRALIA: I - NSW 
R.R. Young¹, D.L. Lloyd², M. O'Neill³, K. Teasdale⁴, and B. Johnson²