Tag archive: phosphorus

New deep P tool calculates the benefits and payback for you

Subsoil phosphorus (P) deficiency costs growers in Queensland and Northern NSW around $80–100 million each year in reduced yield. Deep P fertiliser applications into the subsoil can improve yield but are a long-term decision. They are moderately expensive and returns are not immediate. The Deep-P calculator helps Northern region growers […]

Tips to tweak your crop nutrition program following drought

Following drought growers look to recover production and protect vulnerable soils. When it comes, the break may present opportunities to cut back on some usual nutrient inputs while moving back into production. Soils should be managed with an eye to their long term fertility.
Phosphorus
Soil phosphate levels may increase a little […]

What’s the minimum Phosphorus rate if you are following a poor crop?

Many growers will be thinking about what to do with Phosphorus (P) fertiliser for their next winter crop. Soil tests are the best indicator of whether a paddock is going to be responsive to P fertiliser.
If your soil tests shows moderate to good levels of P, and yields were […]

Top 10 crop nutrition articles 2015

During 2015 eXtensionAUS Crop Nutrition published 43 articles on many different aspects of crop nutrition in the Australian grains industry.
All of these articles were prepared with, and reviewed by, members of our Community of Practice, Australia’s leading experts in crop nutrition.
These are our top ten – the most popular articles based […]

Manage pH for profit

Video: Craig Scanlan from Department of Agriculture and Food, Western Australia talks about the interactions between nutrition and soil acidity.
Research in Western Australia has been looking into the interactions between Phosphorus (P) fertiliser rates and soil pH given that most West Australian cropping soils have good soil P reserves but […]

Understanding & managing multiple nutrient deficiency

Mike Bell from the University of Queensland and QAAFI talks about the increasing incidence they are seeing of soils with multiple nutrient problems and the implications on fertiliser management strategies. The video was taken at the National Soils Conference held in Melbourne in November 2014.
 
Further information
GRDC:
Deep soil tests reveal northern […]