To review of zinc and crop production on the Darling Downs.

To report on experiments on foliar iron sprays to overcome deficiency in field pea.

To examine the influence of temperature on readily extractable copper in soils.

To test the hypothesis that altered Mn nutrition of barley affects the development of cereal cyst nematode and damage to the host.

To use field and glasshouse experiments to explore the relationship between soil pH and manganese availability.

To examine the relationship between crop Zinc nutrition and Rhizoctonia root rot.

Examine effect of applying chelated iron to leaves, and chalted iron, zinc, N and P to soils growing irrigated soybean and pigeon pea.

To determine which soil tests and tissue tests could be used to increase the likelihood of profitable responses from the application of nitrogen to wheat.

To provide a calendar as a guide to insect pests that could be expected during each of hte major crop and pasture growing phases.

To investigate how to improve the productivity of sodic soils in the Wimmera and southern Mallee.

To identify key soil indicators for sustained agricultural production.

To develop productive and sustainable cropping systems for the alkaline sodic soils in the Wimmera and southern Mallee.

To evaluate the response of three genotypes of Brassica napus and one genotype of Brassica juncea to subsoil low in zinc.

To demonstrate the effects on plant density, nodulation and yield from inoculating legume seed using the correct method, applying inoculum dry and sowing 7 days after inoculating seed.

To determine whether crop growth and yield responses are likely from inoculating legumes on alkaline clay-loams in the Southern Mallee.

To determine the value of pasture legumes grown in rotation with crops at Streatham, Gnarwarre and Hamilton

To answer the question: Can the lessons learnt in growing Prime Hard wheat in southern NSW be extended to the high rainfall grain regions of Southern Victoria? 

To assess a range of application methods for zinc including seed dressing, soil and foliar sprays and zinc with super fertiliser.

To identify those alternative pasture legume spcies that, when sown in rotation with crops, have the capaicty to improve crop plant productivity in the high rainfall zone of southern Australia.

To compare tactical nitrogen management options for improving nitrogen use and high quality wheat varieties including Janz, Chara and mira.

The aim was to investigate the performance of growth regulators in osmoprotectants to counteract the effects of water stress in plants.

• To determine the spatial variability of crop production within paddocks.
• To estimate the amount of water which is not being used by the crop.
• To develop agronomic solutions to increase water use and reduce the amount of water bypassing the root system of a crop.

To determine whether the lessons learnt in growing Prime Hard wheat in southern NSW be extended to the high rainfall grain regions of southern Victoria.

To investigate the effect that four different nozzle types had on spray efficacy using herbicides with different modes of action.

To investigate the effect that four different nozzle types had on spray efficacy using herbicides with different modes of action.

To determine whether highly zinc responsive crops such as faba beans and lentils would respond to additional zinc when grown on a paddock which has had a good zinc history.

To discuss the implications of the 2002 drought for weed management.

To investigate whether continuous wheat is viable.

To discuss alternative options to increase organic matter; improve soil properties and provide additional non-chemical control options for weed management, whilst providing a break crop effect.

To evaluate the quality and yield of Carnamah wheat in response to a range of in-furrow fungicide applications.

• To identify suitable machinery for deep nutrient placement with economic and practical potential.
• To evaluate the potential of injecting fluid fertilisers into soil using high pressure.

To assess the impact of strobilurin application on the need for PGR application.

To investigate the effect of water quality on ‘dim’ herbicides, Select and Aramo.

To evaluate specially formulated biodegradable soil wetters ability to improve crop establishment and yields in hydrophobic (non-wetting) soils.

• To identify within paddock variability (subsoil limitations) and its effects on production and recharge.
• To identify different paddock ‘zones’ and the effect of rainfall (amount and distribution) on production.

To test the effects of subsoil remediation on crop water use and yield.

To test the effects of subsoil remediation on crop water use and yield.

This trial is part of larger GRDC funded project, which examines whether lower plant populations and later timed nitrogen approaches are suited to the HRZ in Australia, it also examines whether these techniques which were principally established for wheat can be used in malting barley, where high protein can be undesirable.

Determine if there are economic and agronomic advantages with using soil ‘wetters’ at seeding to improve crop emergence of wheat (Arrino) in hydrophobic soils (non-wetting).

To discuss the common questions of are: ‘Is this dry spell a permanent feature? Is it just due to chance? Is it a periodic event?’

To test the impact of adding gypsum, lime or fertilisers to the subsoil.

To estimate in-crop risk management using the Yield Prophet.