Gibson WA trials

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Trial Contributor
Funding sources
Year Trial site
Agronomy of early sown wheat: Density and nitrogen timing effects on productivity in Western Australia

To test the following hypotheses:
1. Low plant density will not reduce yield of early April sown wheat
2. Delayed nitrogen application will not affect grain yield
3. Agronomy can offset yield reductions from grazing wheat sown in early April

Department of Primary Industries and Regional Development WA
2018 Gibson WA
Research organisaton
Canola in the HRZ - Optimising nutrition

To determine whether macronutrient supply (phosphorus, potassium, sulfur) becomes limiting as canola growers target high yields with high nitrogen rates in the high rainfall zone of WA.

Department of Primary Industries and Regional Development WA
GRDC
2021 Gibson WA
Research organisaton
Canola Nutrition for the HRZ – Gibson 2022

To determine whether macronutrient supply (phosphorus, potassium, sulfur) becomes limiting as canola growers target high yields with high nitrogen rates in the high rainfall zone of WA.

Department of Primary Industries and Regional Development WA
GRDC
2022 Gibson WA
Research organisaton
Optimising nutrition to maximise yield in canola in the HRZ

Understand the critical nutrients required to achieve high yielding (>3t/ha) canola crops, especially when wanting to chase yields with high N in-season.

Background

Project staff ran a series of workshops in high rainfall areas in WA in 2019 to understand key constraints and knowledge gaps when cropping within the HRZ (450-800mm annual rainfall) of WA. Among other things, optimising nutrition to maximise profitability was one such knowledge gap, especially considering fertiliser is the largest variable input cost. While there are a number of resources available that define critical levels of nutrition, this project is specifically focussed on growers with achieved or aspirational yields of 10t/ha in cereals and 5t/ha in canola, and so this trial will investigate whether the critical (or limiting) nutrients change at these high yields (and high levels of applied N).

Department of Primary Industries and Regional Development WA
GRDC
2020 Gibson WA
Research organisaton
Residual nutrition in WA’s HRZ – Gibson 2021

To investigate whether residual soil nutrition from canola grown with high fertiliser inputs should influence nutrition strategies in the following wheat crop.

Department of Primary Industries and Regional Development WA
GRDC
2021 Gibson WA
Research organisaton
Response of faba bean to in-season application of nitrogen - Gibson

To determine if faba bean responds to applied nitrogen.

Department of Primary Industries and Regional Development WA
GRDC
2020 Gibson WA
Research organisaton
Which wheats for when? Western Australia

To determine the appropriate sowing time by variety combination to maximise the grain yield and quality of wheat in different environments in Western Australia.

Department of Primary Industries and Regional Development WA
2018 Gibson WA
Research organisaton