Deep Soil Nitrogen & Sulphur Testing

6 April, 2017

Levels of soil Nitrogen remaining after the 2016 season will vary significantly, depending on the yield and protein of harvested crops, paddock history, rainfall, plus soil Organic Carbon levels. Nitrogen loss factors such as denitrification, leaching and volatilisation, have also … Continue reading


Group G Herbicide Comparison

6 April, 2017

Group G herbicides when added to knockdown herbicides, generally don’t improve the final weed control results, rather they increase the speed of desiccation. With the exception of Sharpen, Group G products are contact, non-systemic herbicides which can be added to … Continue reading


Choosing Spray Adjuvants

6 April, 2017

Choosing the most suitable adjuvant for each chemical application can be a confusing process, given the vast array of wetters, oils, combinations and other adjuvants available on the market.  Consideration must be given to the type of chemical, the spray … Continue reading


New Crop Herbicide Products

6 April, 2017

A number of new herbicide products have either been released recently, or are expected to be released for the 2017 cropping period. The following products may be useful in specific circumstances, however the cost of new products should be compared … Continue reading


Group J & Group K Herbicide Comparison

6 April, 2017

Herbicide products from Groups J and K are increasingly forming the basis of grass weed control programmes in Wheat and Barley. Boxer Gold and Sakura can be very effective tools for managing ryegrass and other grass weeds. However, at around … Continue reading


New Herbicide Products

23 June, 2016

A number of herbicide products have been released recently for broadleaf weed control in crops. The following products may be useful in specific circumstances. However, when targeting low populations of small broadleaf weeds, there are likely to be more cost … Continue reading


Pre-Emergent Herbicide Use in Southern NSW

22 April, 2016

Resistance to post-emergent herbicides has resulted in an increased reliance on pre-emergent herbicides, particularly products like Sakura and Boxer Gold.  Achieving the best results from these products requires an understanding of how the products work, label requirements and use restrictions. … Continue reading


Mixing Pre-Emergent & Knockdown Herbicides

22 April, 2016

When applying pre-emergent herbicides, it is important to consider the incorporation restrictions of each and how they impact on mixtures with knockdown herbicides. Trifluralin products must be incorporated within 4 hours. Glyphosate mixtures with Trifluralin should be avoided, as the … Continue reading


The Declining Role of Group B Herbicides in Southern NSW Cropping Systems

22 April, 2016

The application of pre-emergent Group B herbicides can lead to root pruning, reduced crop vigour and increased incidence of root disease in cereal crops. Herbicide resistance and changes to the weed spectrum, have also reduced the need for these products. … Continue reading


Plant-Back Periods for Fallow Herbicides in Southern NSW

22 April, 2016

Herbicide plant-back restrictions should be taken into account when spraying fallow weeds prior to sowing winter crops in southern NSW. Many herbicide labels place time and/or rainfall restrictions on sowing certain crops and pastures after application, due to potential seedling … Continue reading