Practical aspects of factory water usage reduction, Prediction of erosion in the convection tube banks of boilers, Productivity trends in southern and central regions and the impact of new varieties, Progress in the development of cane varieties with resistance to canegrubs, Recent studies into the soil biology of yield decline - Magarey, R.CSnoad, JeffAllsopp, P.GCox, M.CDixon, T.F (Watson Ferguson and Company)