trials

To understand factors contributing to manganese deficiency in oat.

To establish the nutrient requirements of wheat following liming and deep ripping.

To find more reliable methods to control rhizoctonia.

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

To report results of a long-term sodicity trial for 1995.

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

To improve the soil structure of sodic soils using gypsum and tillage techniques.

To report on the nutritional status of wheat at three sites where lime was applied at a range of rates in either 1982 or 1983 and again in 1996.

To investigate the bio-fumigation effects of canola dn mustard varieties on root disease and a number of crop varieties.

To investigate four different lime rates on two different faba bean varieties.

The aim of this long-term trial is to investigate different soil management options to reduce the negative effect of sub-soil limitations on crop yield.

To investigate the effect of deep ripping and gypsum on root and plant growth of wheat, canola and lentils.

To report on the Forbes soil amelioration trials.

To identify whether deep ripping and other soil treatments will result in an increase in spring water use by crops and therefore increased yields and improved grain quality. 

To assess the benefits of various clay rates, types of clay and deep ripping on-farm.

To identify whether there is an advantage in using deep ripping or shallow cultivation compared to direct drill to improve the ability of crops to utilize soil water at depth. 
 

• To use farmer scale machinery to evaluate the benefits of adopting zone
management farming on a range of soil types over a three year period;
• To increase the output to input ratio for our farming system; and
• To collaborate with, and add value to research in precision agriculture being
undertaken by CSIRO, the Department.of Agriculture and University of Western
Australia (UWA).

To investigate amelioration of subsoil acidity through topdressing higher rates of lime and combining lime with gypsum.

To quantify the effects of nematode feeding groups in Western Australian soils on crop performance.

To evaluate the effect on wheat yield and quality of applying ameliorants at depth on a Wodjil soil (Graveyard Trial).

To report on a long-term soil amelioration trial established at the Gunning Gap CWFS regional site.

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

To investigate benefits of soil amendments on acid soil for wheat and triticale.

To identify whether there is an advantage in using deep ripping or shallow cultivation compared to direct drill to improve the ability of crops to utilize soil water at depth.

To investigate the benefits of Kelpak, seaweed extract containing high concentrations of auxin, a plant growth hormone.

To evaluate compost and clay for their ability to improve the production capacity of a loamy sand.

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

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 investigate the acidity profile in 2003 and 2004 of a lime trial conducted in 1986 by Aglime Australia. Does lime moved down the soil profile?

To investigate the effects of lime, gypsum and dolomite for wheat and lupin production on an acid soil.

To investigate the effects of different soil ameliorants at different rates on sodic soils.

To evaluate benefits and penalties of cropping traffic on deep ripping.

Evaluate benefits and penalties of cropping traffic on deep ripping.

To demonstrate the long term production and associated economic benefits from ameliorating soil sodicity.

To demonstrate the production and associated economic benefits from ameliorating soil acidity over the long term.

To determine suitable tine spacing and lime products for deep banding of lime to treat subsurface acidity.

To test a suitable relatively quick and cost-effective method of ameliorating subsurface acidity.

To examine the potential for crop yield in the northern sandplain systems and explore practices that will allow the potential to be approached

Experiments were conducted on two different soil types to test if (a) amelioration of these subsoils with a mix of gypsum and organic peat would increase the ability of the soil to hold more ‘plant available’ water and (b) if this extra water availability, would assist crops to achieve a better yield.

To investigate the potential of using a modified delving operation, which rips the clay and allows topsoil/gravel to fall back into the clay slot, to create a subsurface drainage line through the clay and reduce waterlogging.

To evaluate compost and clay for their ability to improve the production capacity of soil.

To overcome subsoil constraints to crop growth.

To improve grain production by ameliorating subsurface compaction and subsurface acidity.

To improve grain production by ameliorating subsurface compaction and subsurface acidity.

To improve grain production by ameliorating subsurface compaction and subsurface acidity.

To improve grain production by ameliorating subsurface compaction and subsurface acidity.

To improve grain production by ameliorating subsurface compaction and subsurface acidity.

To look at grinding our local limesands to see if it made them more effective.

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

To investigate the effects of Lime, Gypsum and Dolomite on grain production on acid soils.