Clare Johnston

Affiliations

Liebe Group (30)
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24 trial projects found Matching active filters and within map area

23 results have export data available 24 trials are CC BY 4.0
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Aims:

To determine which ameliorant practice is the most effective and economic in remediating subsoil acidity at depth.

Crop type: Wheat 1 trial Soil amelioration
West Wubin, WA Yellow deep sand
Source Data Unavailable
Research organisatons
Funding source

Aims:

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

Crop type: Wheat,Barley 2 trials Variety Type
Wongan Hills, WA Sandy loam
Research organisaton

Aims:

To compare yield and quality of new and existing canola varieties in a paddock scale demonstration trial.

Crop type: Canola 1 trial Variety Type
Wongan Hills, WA Red loam
Research organisaton

Aims:

To compare the effects of mouldboard plough, spading and deep ripping on yellow non-wetting sand.

Crop type: Lupins 1 trial Soil Preparation Soil amelioration Type
Marchagee, WA Sandy loam
Research organisaton

Aims:

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

Crop type: Wheat 1 trial Fertiliser Application Soil Preparation Soil amelioration Type Soil amelioration Application
Wongan Hills, WA Sandy loam
Research organisaton

Aims:

To compare the efficacy and crop safety of different herbicide options for control of grasses in barley.

Crop type: Barley 1 trial Herbicide Herbicide Type
Wongan Hills, WA Sand
Research organisaton

Aims:

To evaluate the performance of new variety Cobra under farmer practice.

Crop type: Wheat 1 trial Variety Type
Pithara, WA Red loam
Research organisaton

Aims:

To evaluate the performance of new variety Cobra under farmer practice.

Crop type: Wheat 1 trial Variety Type
West Buntine, WA Sandy loam
Research organisaton

Aims:

To compare yield and quality of new and existing canola varieties in a paddock scale demonstration trial.

Crop type: Canola 1 trial Variety Type
Dalwallinu, WA Sand over gravel
Research organisaton

Aims:

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

Crop type: Wheat 1 trial Soil Preparation Soil amelioration Type
West Buntine, WA Sandy loam
Research organisaton

Aims:

To compare the effects of mouldboard ploughing, spading and deep ripping on yellow non-wetting sand.

Crop type: Wheat 1 trial Soil amelioration Type
Marchagee, WA Sandy loam
Research organisaton
Funding source

Aims:

To evaluate the economic benefit and effectiveness of different herbicide treatments on mixture of summer grassses and melons.

Crop type: No crop specified 1 trial Herbicide Type Herbicide Rate
Kalannie, WA Sandy loam
Research organisaton

Aims:

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

Crop type: Wheat 1 trial Fertiliser Rate Sowing Timing Variety Type
Wongan Hills, WA Sandy loam
Research organisaton
Funding sources

Aims:

To evaluate yield and quality response of existing wheat varieties when treated at different nitrogen rates. Aiming to maximise nitrogen use efficiency by matching inputs to variety.

Crop type: Wheat 1 trial Fertiliser Rate Variety Type
East Dalwallinu, WA Red loam
Research organisatons

Aims:

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

Crop type: Wheat 1 trial Fertiliser Application Soil Preparation Soil amelioration Type
Wongan Hills, WA Sandy loam
Research organisaton

Aims:

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

Crop type: Wheat 1 trial Soil Preparation Soil amelioration Type
West Buntine, WA Sandy loam
Research organisaton

Aims:

To evaluate the effects of mouldboard ploughing on yield on poor performing wodjil soil.

Crop type: Wheat 1 trial Soil Preparation
East Wubin, WA Acidic sand
Research organisaton

Aims:

To examine the difference in profitability between low and high input cropping practices over an extended period of time.

Crop type: Canola,Field peas,Wheat 3 trials Crop Rotation Fertiliser Type Fertiliser Rate Fertiliser Timing Fertiliser Application Sowing Rate
East Dalwallinu, WA Loamy clay
Research organisaton

Aims:

To evaluate whether Apron XL improves yield in field pea crops.

Crop type: Field peas 1 trial Inoculant Application
East Maya, WA Sandy loam
Research organisaton

Aims:

To evaluate two chickpea varieties sown at two seeding depths and two seeding rates by two different row spacings.

Crop type: Chickpeas 1 trial Sowing Rate Sowing Row spacing
East Pithara, WA Red loam
Research organisaton

Aims:

To determine the yield and quality value of responding to seasonal conditions through the ‘shandying’ of several wheat varieties.

Crop type: Wheat 1 trial Variety Type
East Coorow, WA Sandy loam
Research organisaton

Aims:

To evaluate the effects of different nitrogen rates over a two year period on a broadacre scale and to assess if lower N inputs depletes the soil of plant available nitrogen.

Crop type: Wheat 2 trials Fertiliser Rate
Waddy Forest, WA Sand over gravel
Research organisaton

Aims:

To evaluate which varieties of triticale yield well on ‘wodjil’ soils which have low subsoil pH and aluminum toxicity.

Crop type: Triticale 1 trial Variety Type
Perenjori, WA Various
Research organisaton

Aims:

  • To assess the impact of rotary spading non-wetting sandplain soil on soil properties and on crop growth and productivity.
  • To assess the use of strip trial techniques for on-farm assessment of agronomic management options using Precision Agriculture tools.

Crop type: Wheat 1 trial Soil Preparation Soil amelioration Type
Marchagee, WA Sand
Research organisatons
Funding source