Hart SA trials

To measure the coleoptile lengths of 12 wheat varieties under different soil temperatures according to average soil temperature data in late March and early May at Hart.

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

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

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

To investigate improvements for pre-emergent herbicide spray coverage in stubble retention systems.

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

To evaluate the effectiveness of current and new fungicides in reducing ascochyta blight infection and maintaining grain yield and quality in lentils and chickpeas.

To compare the performance of three seeding systems and two nitrogen (N) strategies.

To demonstrate that crop competition afforded by a hybrid canola in combination with pre-emergent herbicides can reduce ryegrass seed set.

• To assess simple nitrogen management strategies to determine the best return on investment from fertiliser nitrogen applications.
• To determine within a crop rotation (wheat, barley and canola) where was your fertiliser dollar best spent over a number of seasons.

To evaluate the efficacy of new actives in disease control and yield benefits in low (Minnipa, upper Eyre Peninsula) and medium (Hart, Mid-North) rainfall zones in South Australia

To investigate yield responses to subsoil amelioration treatments.

To investigate the use of different sowing timings and N management to improve yield and maintain protein of wheat.

To study the effect of elevated temperature, sowing time, variety, and N rate on wheat yield.

To test the ability of Yield Prophet to predict wheat yield.

To report on a three year strategy to manage clethodim resistant ryegrass without oaten hay.

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 current industry standards.

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

To investigate the effect of early or delayed sowing on reduction of ryegrass numbers in combination with different pre-emergent herbicides.

To improve the understanding of optimum sowing time by variety to help maximise yields in different environments. 

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

To compare the performance of three seeding systems and two nitrogen (N) strategies.

To investigate the effects of different rates of nitrogen +/- plant growth regulator (PGR) treatment on plant height, lodging, head loss and yield.

To investigate whether Winter varieties bred for NSW can be grown successfully in SA.

To develop improved AB disease control management strategies through the use of fungicides. The 2016 trials were aimed to assess new experimental fingicides alongside the current strategy and also include variations in fungicide application timings to improve disease control efficacy. 

To investigate effects of soil amelioration methods on subsoil constraints and the benefots to grain yields in the Mid-North of SA.

To unravell the combined effects of variety, sowing time and N, on yield and its components.

To report on Yield Prophet performance in 2016.

To test the efficacy of a range of experimental (unregistered) foliar fungicides against the above strategy in controlling blackspot in field pea in three major production areas of South Australia.

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 wheat varieties and lines against the current industry standards.

To investigate the effect of early or delayed sowing on reduction of ryegrass numbers in combination with different preemergent herbicides.

To assess the effectiveness of narrow windrow burning practices in the Mid North as a late weed seed control tactic against ryegrass in canola and wheat.

To evaluate the effect of crop stubble management and seeding system on pre-emergent herbicide behaviour and crop safety.

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

• To compare the performance of three seeding systems and two nitrogen strategies.
• This is a rotation trial to assess the longer term effects of seeding systems and higher fertiliser input systems on soil fertility, crop growth and grain yield and quality.

To measure and demonstrate on-farm strategies that can reduce nitrous oxide by trialling four key practices:

• Use of legumes in the cropping rotation;
• Application of nitrogen fertiliser at key stem elongation growth stages;
• The use of precision farming tools to better measure N mineralisation;
• Use of nitrification inhibitors.

To conduct a multi-year trial to determine the effects of crop sequence and low, medium and high intensity management strategies to reduce clethodim-resistant ryegrass

To add normal, as required to optimise yield potential, and extra amounts of nutrients (N, P and S) to different stubble managements (intact, incorporated and removed) to see if SOM levels could be increased.

To demonstrate newly available fungicide products in comparison to existing standards.

To investigate time of sowing for individual wheat cultivars with different maturities.

This trial is apart of a three year GRDC project to develop a benchmark to be used to accurately determine crops' N status.

The aim of this years trial is to determine how a crops’ N status changes in relation to early sowing and variety.

To report on Yield Prophet performance in 2015.

To identify variety x sowing date combinations to achieve optimum flowering window.

To investigate the level of damage that may occur from clethodim applications and what factors might influence the degree of damage, over two seasons

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

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

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