Chris Dowling from Back Paddock Company and member of eXtensionAUS Crop Nutrition talks about in crop nitrogen while at the Managing Crop Nutrition for Growers update at Dubbo.
So you can see signs of nutrient deficiency on the crop – but what is causing the problem? Tissue testing would give a definitive answer, and the scale of the problem.
In the meantime there are some apps available now that might help.
But is it really a nutrient deficiency? Only the […]
The vast majority of fertiliser spreaders deliver highly varied spread patterns. Accu-Spread evaluates spread patterns from broadcast spreaders to help achieve an even result.
A new machine is no guarantee that an acceptable spread pattern will be achieved. Most spreaders do not provide acceptable uniformity of spread at the typical bout […]
Plant tissue testing helps ensure fertiliser responses are not compromised by factors we can control.
How effective was the fertiliser applied?
Tissue testing tells a lot about the effectiveness of different fertiliser treatments. The effectiveness of one product compared to another, or one strategy versus another is ultimately determined by the amount […]
Soil nutrient test results often come with benchmarks or critical values that indicate whether you are likely to get a response to applying fertiliser. But how useful are these critical values?
The most relevant critical values come from multiple trials, from soils and climate similar to your own. The ‘Better […]
Plant-available nitrogen in the soil profile is lower across the western grainbelt this year compared with the previous four years. Grain growers across the Western region are urged to monitor crops for nitrogen deficiency.
Last season’s high grain yields and the dry summer have combined to reduce soil nitrogen. For mineralisation, […]
Listen to Mark Conyers, from NSW Department of Primary Industries, talking about the implications of seasonal outlook and N requirements for this year’s crop.
For Wimmera and Mallee farming businesses, fertiliser is the biggest variable expense. Creating Nitrogen (N) budgets based on predicted yields makes sense.
N budgets start with realistic target yields based on predicted rainfall for the growing season. For wheat it is calculated as yield (kg/ha) = (growing season rainfall (mm) – […]
A couple of months ago it was so dry we wondered if we could grow a crop this year. Now we have had reasonable planting rain and everybody is madly sowing. The soil moisture from the March rainfall has stimulated mineralisation of N in the soil and it is still […]
Mike Bell from QAAFI and the University of Queensland presented to Advisers at the GRDC Update at Coonabarabran. In this video Mike talks about a new way of looking at P nutrition.
For the full paper visit the GRDC website.