-
Soil and Nutrition, 12 May 2023
Stripper-disc systems in the high-rainfall zones
High stubble loads in the high-rainfall zones have proven challenging for the adoption of stripper-disc systems
-
Soil and Nutrition, 11 May 2023
Computer model helps clarify taller stubble impacts
Computer simulations are being run to extrapolate likely impacts on a farming system’s soil–water balance arising from taller stubble produced by stripper headers
-
Soil and Nutrition, 10 May 2023
Stubble height trials
Growers have participated in trials to better understand the impacts of taller stubble on soil–water dynamics
-
Soil and Nutrition, 09 May 2023
What we know and what we need to learn about stubble retention
Information relating to stubble management has been collected and curated to identify knowledge gaps to more fully realise the benefits of stubble retention while avoiding potential downsides
-
Soil and Nutrition, 05 May 2023
Can you bank nitrogen in Western Australian soils?
Working with 20 growers from GRDC’s National Grower Network, Dr Darren Hughes from Laconik has been investigating the nitrogen banking capacity of Western Australian soils following frosted crops. Unfortunately, it is not a source of nitrogen to be relied upon.
-
Soil and Nutrition, 28 Apr 2023
Mungbeans not picky on nitrogen source but take more than they ‘fix’
Central Queensland research is finding mungbeans use a combination of both soil nitrates and fixed nitrogen to meet their needs and are a net soil nitrate consumer
-
Soil and Nutrition, 17 Apr 2023
Conference fosters nitrogen fixation knowledge
Specialists with a fascination for tiny nitrogen-fixing bacteria met at an Australian conference late 2022 to discuss their latest science findings and how the bacteria are being harnessed and applied for farming systems’ benefit.
-
Soil and Nutrition, 14 Apr 2023
GRDC releases new ‘bible’ to help grain growers get soil management right
Not getting soil management right could be costing some Queensland and New South Wales grain growers more than $1000 per hectare per year in yield losses according to new research.
-
Soil and Nutrition, 11 Apr 2023
$3.5M national project to examine ways to boost soil organic matter
An innovative new $3.5 million farming system project is underway to investigate how Australian grain growers could increase the level of their soil organic matter and return carbon to the soil.
-
Soil and Nutrition, 08 Mar 2023
Soil testing a good idea after relentless wet
With potentially high nutrient losses across the flood-affected GRDC northern region, plus a couple of years of above-average nitrogen removal by crops, soil testing is a good option to help assess soil nitrogen levels ahead of the coming winter crop