Hart SA trials

To investigate the effect of crop topping cereals for annual ryegrass control with nonselective herbicides.

To investigate the effect of crop topping cereals for annual ryegrass control with nonselective herbicides.

The trial was designed to compare barley variety grain yield response to grazing in the presence of annual ryegrass.

To determine barley varietal performance across two seeding row spacings.

To determine varietal performances under various seeding rates and the ability of barley varieties to compete with annual ryegrass.

To look for chickpea plant types which are more competitive with ryegrass.

To compare the performance of new barley varieties and lines against the current industry standards.

To compare the performance of new durum varieties and lines against the current industry standards.

To compare the performance of new triticale varieties and lines against the current industry standards.

To compare the performance of new wheat varieties and lines against the current industry standards.

To compare the effect of different pre-emergent herbicides and 2 seeding systems on wheat establishment and ryegrass control.

To investigate the effectiveness of different herbicides on glyphosate resistance ryegrass along a fenceline.

To assess the financial consequences of changing farming systems and inputs, specifically investigating the impact of changing break crop type and reduced fertiliser inputs on subsequent wheat yields and longer term profitability.

To investigate the effect of crop topping cereals for annual ryegrass control with nonselective herbicides.

To compare the performance of 3 seeding systems and 2 nutrition strategies. This is a rotation trial (funded by SAGIT) to assess the longer term effects of seeding systems and higher fertiliser input systems.

To evaluate the effectiveness of pre-emergent herbicides and crop safety in dry sowing conditions.

• To measure the effect of crop defoliation, ryegrass, sowing rate and nitrogen timing on the grain yield and quality, of new durum varieties against current industry standards.
• To compare the effect of growth regulants on durum grain yield and quality.

To assess three rotations used in the Mid-North, especially those incorporating export hay or ocntinuous cereals. 

• To identify best sowing time and fungicide strategies for maximum grain yields in field peas.
• To improve the reliability of the SARDI blackspot disease prediction model and validate the blackspot predictive model ‘Blackspot Manager’ in SA by incorporating data from replicated trials.

To investigate the reasons for these differences in WUE by establishing four sites on different soil types and rainfall zones in selected grower paddocks.

To combine existing knowledge with new techniques for effective integrated weed management to control herbicide resistant ryegrass.

To compare the tolerance of legumes and canola varieties to a range of herbicides and timings.

To investigate the impact of phosphorus fertiliser on the grain yield and quality of wheat.

To test the efficacy of a range of droplet sizes on ryegrass seed heads using a commonly used desiccant herbicide (paraquat).

To compare the effectiveness of early sowing using a range of wheat varieties with different varietal maturities.

To compare the performance of a controlled traffic system against a conventional traffic system.

• To improve the nitrogen and water use efficiency of wheat by manipulating canopy size and structure using post sowing applications of nitrogen and different row spacing.
• To maintain yield and quality, while reducing the risks associated with excess early crop growth.
• To compare how different nitrogen strategies effect crop competition with annual ryegrass.
• To compare and investigate the value of different optical crop sensors.

To report on Yield Prophet performance in 2008.

To compare the grain yield and quality of barley varieties with grazing and annual ryegrass (ARG).

To investigate barley varietal performance across two row spacings, 225mm (9 inch) and 350mm (14 inch). 

To investigate barley varietal performances under various seeding rates and the influence of annual ryegrass.

To report on blackspot manager – release of blackspot spores from pea stubbles.

To identify chickpea plant types which are more competitive with ryegrass.

To compare the performance of new barley varieties and lines against the current industry 

To compare the performance of new durum varieties and lines against the current industry standards.

To measure the hay yield of 6 oat varieties and lines against the current industry standards.

To compare the performance of new triticale varieties and lines against the current industry standards.

To compare the performance of new wheat varieties and lines against the current industry standards.

To compare the effect of different pre-emergent herbicides applied pre sowing and post sowing on wheat
establishment and ryegrass control and to specifically improve the control of ryegrass in the crop row.

To investigate the effectiveness of different herbicide mixes at controlling glyphosate resistant ryegrass along fencelines.

To evaluate a range of durum breeding lines for resistance and tolerance to crown rot.

• To investigate the effect of different nitrogen and grazing strategies on crop competition with annual ryegrass.
• To evaluate the performance of new durum varieties at different crop densities.

To identify best sowing time and fungicides strategies in new pea varieties to maximise yields and to improve recommendations from the ‘Blackspot Manager’ disease risk prediction model in different regions by incorporating data from replicated trials.

To investigate the reasons for these differences in WUE by continuing with trials established at 4 sites in 2008 on different soil types and rainfall zones in selected grower paddocks. 

To compare the tolerance of legumes and canola varieties to a range of herbicides and timings.

To investigate the impact of traditional phosphorus fertilisers and phosphorus alternatives on the grain yield and quality of wheat.

To investigate the effect of row spacing and standing stubble on the grain yield and harvestability of pulse crops.

To investigate the performance of soil moisture retention granules and seed coatings on wheat grain yield. 

To measure the interaction between stubble management and soil moisture on:

1. the retention of soil water accumulated outside the growing season, and
2. the value of stored water to crop physiological traits and yield.

To measure the effect of time of sowing (TOS) and plant density on wheat varieties with different development habits and maturities.