Jessica Crettenden

Affiliations

(1) SARDI (14)
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15 trial projects found Matching active filters and within map area

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Aims:

A long-term study was established at the Minnipa Agricultural Centre from 2008 to 2016 (EPFS Summaries 2008 to 2015) to assess the systems impact of grazing on crop and pasture production, and soil health. 

Crop type: Wheat 1 trial Fertiliser Rate Grazing Regime Sowing Rate
Minnipa Agricultural Centre, SA Red sandy loam
Research organisatons
Funding source

Aims:

A long-term study was established at the Minnipa Agricultural Centre from 2008 to 2015 (EPFS Summaries 2008 to 2014) to assess the impact of grazing on crop and pasture production and soil health and also to evaluate this from a systems perspective.

The eight year demonstration with a wheat, wheat, pasture (volunteer and sown annual me… read more

Crop type: Medic 1 trial Fertiliser Rate Grazing Regime Sowing Rate
Minnipa Agricultural Centre, SA Red sandy loam
Research organisatons
Funding source

Aims:

To look at current techniques used by farmers, or recommended by consultants, to improve medic pastures and determine the most effective method to optimise N2-fixation. Biomass, nodulation and N2-fixation differences between management practices, including inoculation treatments on both sown and regenerating medic stands were measured. The trial… read more

Crop type: Medic 1 trial Fertiliser Rate Inoculant Type Variety Type
Minnipa Agricultural Centre, SA Red sandy loam
Source Data Unavailable
Research organisatons
Funding source

Aims:

  • To determine the ability and drivers of grain yield recovery of two different wheat varieties after grazing.
  • To investigate whether N has the ability to assist in grazing recovery of yield and/or quality compensation.

Similar trials were conducted for the GRDC funded Grain & Graze 3 project in 2015 across o… read more

Crop type: Wheat 1 trial Fertiliser Rate Fertiliser Timing Grazing Timing
Minnipa Agricultural Centre, SA Red sandy loam
Source Data Unavailable
Research organisatons
Funding source

Aims:

A long-term study was established at the Minnipa Agricultural Centre from 2008 to 2014 (EPFS Summaries 2008 to 2013) to assess the impact of grazing on crop and pasture production and soil health and also to evaluate this from a systems perspective.

The seven year demonstration with a wheat, wheat, pasture (volunteer and sown annual me… read more

Crop type: Wheat 1 trial Fertiliser Rate Grazing Regime Sowing Rate
Minnipa Agricultural Centre, SA Red sandy loam
Research organisatons
Funding source

Aims:

To test whether soil fertility and health could be improved under a higher input system (e.g. higher fertiliser and seeding rates, establishment of improved pasture) compared to a lower input and more traditional system (district practice seed and fertiliser inputs, volunteer pasture).

The six year (2008-2013) rotation of: wheat, wheat… read more

Crop type: Wheat 1 trial Fertiliser Rate Grazing Regime Sowing Rate
Minnipa Agricultural Centre, SA Red sandy loam
Research organisatons
Funding source

Aims:

  • To investigate the potential to incorporate a mixture of perennial species into farming systems in low-rainfall areas across southern Australia.

Crop type: Perennial shrubs 2 trials Crop Type Grazing Regime
Minnipa, SA Piednippie, SA
Source Data Unavailable
Research organisaton
Funding sources

Aims:

  • To identify alternative perennial legumes to lucerne suitable for incorporation within cropping systems, there are at least 3 options potentially adapted to areas within the Eyre Peninsula environment.

Edillilie, SA Greenpatch, SA Minnipa, SA Rudall, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To reinvigorate the livestock component of the EP farming system.

Crop type: No crop specified 1 trial No treatment
Minnipa, SA
Source Data Unavailable
Research organisaton

Aims:

  • To compare the impact of four different management strategies on production, profitability and sustainability at the Minnipa Agricultural Centre.

Crop type: Barley 1 trial Crop Type Grazing
Minnipa, SA Red sandy loam
Source Data Unavailable
Research organisaton
Funding sources

Aims:

  • To test whether soil fertility and health could be improved under a higher input system compared to a lower input and more traditional system.

Crop type: Wheat 1 trial Crop Type Crop Rotation Grazing Regime
Minnipa, SA Red sandy loam
Source Data Unavailable
Research organisaton
Funding source

Aims:

To test whether soil fertility and health could be improved under a higher input system compared with a lower input and more traditional system.

Crop type: Wheat,Medic 2 trials Crop Rotation Grazing Regime
Minnipa, VIC
Source Data Unavailable
Research organisaton
Funding sources

Aims:

To identify better perennial species than what is already available in low rainfall areas.

Minnipa, SA Piednippie, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To identify alternative perennial legumes to lucerne suitable for incorporation within cropping systems, there are possibly at least 3 options adapted to areas within the Eyre Peninsula environment.

Crop type: Lucerne,Sulla,Cullen species 12 trials Crop Crop Type
Edillilie, SA Greenpatch, SA Minnipa, SA Rudall, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To test whether soil health and fertility can be improved under a higher carbon input system with or without grazing.

Crop type: Medic 1 trial Crop Type Crop Rotation Grazing Regime
Minnipa, SA Red sandy loam
Source Data Unavailable
Research organisaton
Funding source