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PROCEEDINGS of the 14th CONFERENCE 1992 jot the Australian Society of Sugar Cane Technologists held at MACKAY, QUEENSLAND From 28th April to 1st May 1992 Edited by B.T. Egan COPYRIGHT ISSN 0726-0822 UB/TIB Hannover 89 125 459 19X... WATSON FERGUSON AND COMPANY Brisbane, Q.

Australian Society Sugar Cane Technologists - GBV · • PROCEEDINGS OF AUSTRALIAN SOCIETY OF SUGAR CANE TECHNOLOGISTS 1992 TUESDAY, ... Experiments with cane shredder tip ... Estimating

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PROCEEDINGS

of the

14th CONFERENCE 1992

jot the

Australian Society

of

Sugar Cane Technologists

held at

MACKAY, QUEENSLAND

From 28th April to 1st May 1992

Edited by B.T. Egan

COPYRIGHT

ISSN 0726-0822

UB/TIB Hannover 89125 459 19X...

WATSON FERGUSON AND COMPANY

Brisbane, Q.

• PROCEEDINGS OF AUSTRALIAN SOCIETY OF SUGAR CANE TECHNOLOGISTS 1992

TUESDAY, 28TH APRIL 1992

AFTERNOON SESSION — 2.00 p.m.

GENERAL SESSIONChairman: B.B. Sheedy

Paper: Green cane harvesting — a dilemma, by G.R. Shaw and G.A. Brotherton 1

Paper: The origin of colour in raw sugar, by N.H. Paton 8

Tea break 3.00 p.m. — 3.30 p.m.

Paper: The determination of soil in cane, by P.G. Atherton, J.C. Dow, P.J. Mathew,A.G. Noble and D.R. Ridge „ 18

Paper: Soil intake with cane during chopper harvesting — minimising the problem, byD.R. Ridge and R.G. Dick 24

Paper: Locomotive location systems, by G.A. Kent and F. Plaza 31

WEDNESDAY, 29TH APRIL 1992

MORNING SESSION — 8.30 a.m.

MANUFACTURING SESSIONChairman: N.W. Andersen

Paper: Application of a variable frequency drive on a rotary tippler, by H.E. Childs 176Paper: Splitting of cane feed from one tippler to dual milling trains, by J.J. Hodgson and

N.W. Andersen 179Paper: Experiments with cane shredder tip materials, by K.D. Lakeland, J.G. Loughran and

S. Gay 184

Tea break 10.00 a.m. — 10.30 a.m.

Paper: Performance of feed rolls on heavy duty shredders, by H. Flanders, N. Horniblowand J.G. Loughran 190

Paper: Estimating the recoverable sugar as extraction varies, by B.P. Edwards 196Paper: Juice tracking system for a dual milling train, single tip mill, by D.G. Raines 201

Brief presentations by authors of manufacturing posters

AGRICULTURAL SESSIONChairman: P.J. Amiet

Paper: RSD control in Bingera mill area and problems encountered, by B.C. Dominiak,L.R. Sinnamon, CD. Jones and P.W.J. Taylor 37

Paper: Incidence and control of ratoon stunting disease in sugarcane in New South Wales,by B.T. Roach, D.H. Parsons and P.J. Nielsen 43

Paper: In-field performance of two serological diagnostic tests for ratoon stunting disease insugarcane, by T.M. Leaman, D.S. Teakle and B.J. Croft 51

Tea break 10.00 a.m. — 10.30 a.m.

Paper: Genetic control of ratoon stunting disease in sugarcane, by B.T. Roach 59Paper: Involvement of Pachymetra root rot in stool tipping in varieties Q117 and Q124 in

north Queensland, by R.C. Magarey and S.A. Soper 68Paper: Pink ground pearl Eumargarodes laingi: recent research on insecticides and cultivar

resistance, by B.C. Dominiak, N.G. McGill and P.G. Allsopp 76

Brief presentations by authors of agricultural posters

iv

1992 PROCEEDINGS OF AUSTRALIAN SOCIETY OF SUGAR CANE TECHNOLOGISTS

POSTER SESSION (pages 334-336)

Posters will be displayed all day Wednesday and Thursday. Authors should be in attendance immediatelyafter presentations and at tea breaks.

AFTERNOON SESSION — 1.30 p.m.

MANUFACTURING SESSIONChairman: M.B. Frost

Paper: Direct contact secondary heating, by D.J. Hale and S. Wagner 207Paper: Investigation of frothing in flashtanks, by S.P. O'Gorman and O.L. Crees 212Paper: Smarter control of exhaust steam pressure using evaporator capacity, by M. J. de Viana

and L.J. Watson 216

Tea break 3.00 p.m. — 3.30 p.m.

Paper: Reducing the usage of cooling water in the factory, by P.G. Wright 223Paper: Sextuple evaporation at Harwood Mill, by R.M. Dephoff 231Paper: Examination of evaporator scales from the far northern region of the sugar industry,

by O.L. Crees, C. Cuff, W.O.S. Doherty and E. Senogles 238

AGRICULTURAL SESSIONChairman: N. Berding

Paper: N cycling in cane fields from 15N labelled trash and residual fertiliser, byL.S. Chapman, M.B.C. Haysom and P.G. Saffigna 84

Paper: Biological nitrogen fixation and sugarcane, by L.S. Chapman, D.M. Halsall andA.H. Gibson 90

Paper: Rainfall analysis to improve urea application decisions in trash blanketed sugarcane,by G.N. Anich and M.K. Wegener 94

Tea break 3.00 p.m. — 3.30 p.m.

Paper: Application of geographic information systems software for productivity evaluation,by M.K. Wegener, D. Bruce and T.G. Fuelling 99

Paper: Establishment of a geographic information system in the Bundaberg district, byG. Lee-Lovick, M. Saunders, T.G. Willcox and M. Bent 107

Paper: GPS for mapping and tracking, by T.F. Fuelling, R.J. Chappel, D.G. Moore andJ.C. Pease 116

THURSDAY, 30TH APRIL 1992

MORNING SESSION — 8.30 a.m.

MANUFACTURING SESSIONChairman: N.W. Andersen

Paper: A prototype automated roll arcing machine, by J.G. Loughran and I. Henderson 246Paper: Development of a mass flow meter using cross correlation techniques, by R.D. Wright,

P.J. Tait, P.G. Atherton and E.T. White 254Paper: Monitoring Torri waters for carry-over with the Torrimon pollution controller, by

S.R. Reichard, A.L. Fitzmaurice and C.W. Alman 260

Tea break 10.00 a.m. — 10.30 a.m.

PROCEEDINGS OF AUSTRALIAN SOCIETY OF SUGAR CANE TECHNOLOGISTS 1992

AGRICULTURAL SESSIONChairman: P.J. Amiet

Paper: The CSR sugarcane breeding program — future directions and strategies, byP.A. Jackson, W.M. Symington, T.E. Morgan and A.W. Wood 123

Paper: Ratooning ability of cane varieties: variation in yield and yield components, byL.S. Chapman, R. Ferraris and M.M. Ludlow 130

Paper: A computerised expert system for optimum selection of herbicides for use in sugar-cane fields, by L.G.W. Tilley, E. Coulston and J. Smith 139

Tea break 10.00 a.m. — 10.30 a.m.

MORNING SESSION — 10.30 a.m.

ANNUAL GENERAL MEETING

Chairman: P.G. Wright(a) Secretary's report and financial statements(b) Committee reports(c) ISSCT — report on 1992 Congress(d) General business

AFTERNOON SESSION — 1.30 p.m.

MANUFACTURING SESSIONChairman: M.B. Frost

Paper: Designing continuous pans for narrow crystal size distributions and improved cost per-formance, by R. Broadfoot 266

Paper: The continuous " B " massecuite pan at Tully Mill, by G. Arcidiacono, D. Pike, J.Scanlan and R.J.B. McLean 276

Paper: Assessing the performance of continuous fugals, by C.R. Greig, E.T. White andC.R. Murry 287

Paper: Maximising the information available from sugar sieve test data, by K.F. Miller .. 297

MANUFACTURING DELEGATES WILL LEAVE FOR MARIAN MILL VISIT AT 3.45 p.m.

AGRICULTURAL DELEGATES WILL COMMENCE A FIELD TOUR AT 1.30 P.M.

FRIDAY, 1ST MAY 1992

MORNING SESSION — 8.30 a.m.

MANUFACTURING SESSIONChairman: N.W. Andersen

Paper: Improving the Willison coupling, by G.A. Kent and J.J. Camuglia 303Paper: Protection and earthing of the electrical power systems at Marian Mill, by H.E. Childs

and J.M. Vickery 310Paper: Bagasse handling-bin bypass controls, by N.W. Andersen, H.E. Childs and

B.A. Cornell 313

Tea break 10.00 a.m. — 10.30 a.m.

Paper: Combustion characteristics of bagasse, by M. Luo and B. Stanmore 316Paper: Bagasse combustion in a fluidised bed, by Y.O. Chong, E.T. White, V. Rudolph and

M.R. Judd 326

« 1992 PROCEEDINGS OF AUSTRALIAN SOCIETY OF SUGAR CANE TECHNOLOGISTS

AGRICULTURAL SESSIONChairman: P.J. Amiet

Paper: The use of the AUSCANE model to predict crop yield for land evaluation studies inthe Herbert River district, by A.K.L. Johnson 144

Paper: The electronic cane loss monitor, by R.G. Dick and I.W. Grevis-James 150Paper: Control of harvester basecutter height, by C.A. Garson 155

Tea break 10.00 a.m. — 10.30 a.m.

Paper: The effect of row length, crop density and haulage distance on harvester delivery ratein the Mackay district for 1991, by J.G. Powell 163

Paper: Shear-stable hydraulic fluid for sugarcane harvesters, by P.J. Sweeney 169

MORNING SESSION — 11.30 a.m.

CLOSING PLENARY SESSIONChairman: P.G. Wright

(a) President's medals(b) Installation of new executive

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