Sandy loam trials

To investigate the effect of phosphorus application rates and strategies over a number of years on the growth and yield of wheat.

Evaluation of new and existing Angustifolius lupin varieties.

Evaluation of the ability of barley varieties to tolerate acid/aluminum soils.

To evaluate new Lupin inoculation initiatives in high background populations of naturalised Rhizobium strains in medium–low rainfall cereal/lupin rotation

To compare the returns of barley, canola, wheat and triticale.

• To measure the productivity and recovery of cereals under simulated grazing regimes.
• To determine the number of times cereals can be grazed without affecting yield.

This trial was designed to investigate the crop growth, yield and gross margin response of a number of wheat varieties commonly grown in the district to changes in management input strategy.

To conduct a wheat variety evaluation.

To conduct an evaluation of the ability of wheat varieties to tolerate acid/aluminum.

To establish and manipulate 3 varieties of pasture and determine their effect on the following wheat crop.

To evaluate the performance of Litmus (WABAR2625) barley in comparison to Hindmarsh and Wyalkatchem on an acidic soil.

To determine if the livestock carrying capacity of pastures in the Eastern Wheatbelt of Western Australia, including those on mildly saline soil, can be increased by replacing native ryegrass with the Safeguard variety of ryegrass.

To determine whether lime has an effect on potassium (K) response

This trial is conducted to investigate the value of nitrogen on the profitability of new wheat varieties in early and late sowings in fallow/wheat system at Wongan Hills

To evaluate yields and quality of new and existing lupin varieties.

To evaluate yields and quality of new and existing lupin varieties

To determine the effects of mouldboard ploughing on a Wongan Hills yellow sand when varying lime and nutrient inputs.

To determine the effects of mouldboarding and deep ripping on a Wongan Hills yellow sand when varying lime and nutrient inputs

To conduct a barley variety trial.

The aim of this work was to identify new wheat varieties for maximising grain yield in dry and drying seedbeds in the scenario of possible frost risks during the growing season at Wickepin.

To quantify the impact of stubble on the extent, severity and duration of frost and determine its effect on canopy temperature and grain yield.

To compare hybrid performance to the standard Open-Pollinated Triazine-Tolerant varieties

To determine whether a profit can be achieved from incorporating lime in the year it is applied.

To compare EverGol Prime, Vibrance and Tripower to Baytan T for loose smut contol and to compare EverGol Prime to triazole seed treatments for Rhizoctonia suppression.

To evaluate and compare the effectiveness of standard post emergent herbicide treatments against the Clearfield™ system with Intervix herbicide for control of brome grass and radish in the new two gene wheat Justica CL.

To evaluate yields and quality of new and existing lupin varieties

To evaluate the weed control efficacy of mouldboard ploughing on an area with a high weed burden

To measure the role of water stored in the soil at sowing in affecting wheat yield.

To investigate the nitrogen rate and time of application response of canola varieties to yield and oil content of TT and RR hybrids in comparison with open-pollinated types to

• provide growers in lower rainfall environments with guidelines on optimal nitrogen rates and times of application to maximise grain and oil yields, and
• determine if the management of hybrid canola nutrition is different to that of open pollinated varieties due to different responses to N rates and timing.

To demonstrate the value of NUlogic soil and plant testing and the importance of reviewing fertiliser strategies in season

To test the effect of very deep ripping to 500mm with shallow leading tines and incorporation of limesand on a very deeply compacted acid sand plain soil.

To identify differences between commonly grown wheat varieties in their ability to emerge from very deep sowing (100mm) and relate to coleoptile lengths and to quantify the effects of deep sowing on grain yield.

To look at the potential of black urea in terms of lifting yields through better nitrogen efficiency.

To determine if there are any benefits to be gained from mouldboard ploughing a yellow sandplain soil

To evaluate the effects of mouldboard ploughing and deep ripping on a yellow sand

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

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

The purpose of this trial is to determine if there are benefits from applications of a biological based product developed by Basic Environmental Systems and Technology (B.E.S.T) namely ‘Customer Formulated Fertiliser’ (CFF).

To evaluate the effect of water rate using a medium spray quality on bromoxynil based herbicides under conditions where coverage is not optimal; to evaluate the effect of coarse droplets; and to evaluate the effect on wild radish control at different water rates with MCPA in tank mixtures with Velocity.

To demonstrate the metribuzin tolerance of the new lupin variety Mandelup.

To compare the effect of croptopping on Mandelup with other currently grown lupin varieties.

To demonstrate the benefit of wide rows in lupins.

To evaluate a range of nutrients on lupin yield and protein.

To compare agronomic factors on seven lupin varieties for yield and grain protein.

To assess the establishment of two new hard-seeded French serradellas, Erica and Margurita, in the medium rainfall zone using the under-sowing technique.

To evaluate the effectiveness of different, grower-chosen strategies to apply liquid nitrogen.

To compare the gross margins of a liquid fertiliser to a granular fertiliser strategy.

Examine the effect of variable rates of fertiliser on acidity in the furrow and how CalSap� interacts with soil pH over a period of time at different locations in the profile.

To evaluate the effects of mouldboard ploughing a soil with and without TM21.

To evaluate the effectiveness of an organic fertiliser (chicken manure) compared to conventional synthetic compound fertilisers.