Sugar Cane
11 Apr 2017

Fertcare Cane Presentations

Understanding the N cycle - and how EEF's can be used to intervene.

05 Apr 2017

Crop residue burning and the loss of nutrients from fertilizers

The retention of crop residues is now one of the cornerstones of current farming systems. Residues help protect the soil from wind and water erosion, keep the soil cool so as to preserve precious water, and also help cycling of nutrients. Heavy and tangled stubbles can create problems at seeding,

Getachew Agegnehu Jenberu with supervisor Dr Paul Nelson, James Cook University.
23 Mar 2017

IPNI Scholars Awards

Qualified applicants are invited and encourage to apply for the 2017 IPNI Scholars awards. Previous winners for Australia and New Zealand are: 2009 - Preeti Sharma, La Trobe University 2010 - Richard Flavell, Univeristy of New England 2010 - Shu Kee Lam, University of Melbourne 2011 - Brooke Ryan,

22 Mar 2017

To replace or not to replace? - that is the question

Nutrient replacement is often discussed when considering rates after either good or poor seasons. Irrespective of off-takes, the general rule remains the same, the nutrient removed has to come from somewhere - from the fertilizer applied and/or from the soil reserves, and often both. So balancing

Inspecting K responses in dairy pastures
01 Mar 2017

Potassium for fodder quality – 2016

Pasture responses to applied K in the dairy industry are reasonably common, but with the increase in the use of bought-in feed, many paddocks are at luxury levels, especially in close proximity to the dairy shed. N use on dairy pastures is common but there is less attention – in general – paid to p

K deficiency in wheat
27 Feb 2017

Potassium responses on wheat and canola at Glenthompson, 2016

Potassium (K), along with nitrogen (N) and phosphorus (P), are the three essential nutrients required from soils by crops and pastures in large quantities. Typically, plant K demand is similar to N, although most of the K is present in stems and leaves rather than seeds. Table 1 shows typical N, P

Barley Crop
24 Feb 2017

Impacts of a wet season on crop nutrition

2016 was one of the wettest cropping seasons all across southern Australia, with flooding and transient waterlogging seen in many areas. As well, some areas also experienced late frosts which reduced crop yields where they hit. Despite this, the overall winter grain production in Australia is esti

Muriate of Potash at the outloading sheds in Vancouver
25 Jan 2017

Potassium removal and use in Australia

Since 2002, K use in Australia has remained essentially static at around 180 kt/y with a range between 130 kt (2008/09) to 215 kt (2015/16). Over the past two decades, the use of P has declined by around 10% while N use has increased by 50%, so that Australian growers are using relatively more N an

Wheat crop nearing harvest
07 Dec 2016

Nitrogen performance indicators for Australian grain farms

A survey was undertaken of 118 growers covering 474 fields over five years across south-eastern Australia. Crop type, grain and hay yield, residue management and fertilizer use were recorded and used to derive N partial nutrient balance (PNB) and N partial factor productivity (PFP). Estimates of t

Wheat crop showing Al toxicity
23 Jun 2016

A check-up using nutrient deficiency symptoms

When the uptake of any of the essential nutrients is inadequate, the plant metabolism becomes disrupted and distinctive symptoms often begin to appear. Since nutrients are involved in specific growth processes, deficiency symptoms provide clues to what nutrient might be lacking. However, most nutr

Barley trial plots
05 Apr 2016

Nutrient Use Efficiency beyond 2020

Summary Monitoring nutrient performance through a range of metrics or indicators is essential to assess changes over time. These metrics need to be described in terms of the system boundary, the time scale used and the sources of the raw data used. For broad scale nutrient use efficiency and effec

Poor patches in wheat due to low K
30 Jun 2015

Response to deep placed P, K and S in central Queensland

Two field experiments were established in central Queensland at Capella and Gindie to investigate the immediate and then residual benefit of deep placed (20 cm) nutrients in this opportunity cropping system. The field sites had factorial combinations of P (40 kg P/ha), K (200 kg K/ha) and S (40 kg

Soil from the Longerenong long term rotation
10 Nov 2014

Is the cation saturation ratio a good guide to fertilizer use?

The idea that there is a "ideal" soil is somewhat romantic, as a good soil is one that is fit for purpose - which in the case of agriculture is the capacity to sustainably grow plants. To do so the soil should supply the right nutrients, provide storage for water and be aerated so roots and soil mi

Regional Profile

Research is world class and funding models most commonly include public and private partnerships, with industry support through compulsory levies on production providing growers with leverage over the strategic and tactical issues addressed.

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Regional Director

Dr. Robert Norton
Regional Director Australia and New Zealand

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