BIG 6

Practical ways to optimise yields

whilst reducing the weed seed bank.

WeedSmart Big 6

The WeedSmart Big 6 are a set of chemical, mechanical and cultural tactics to help growers control crop weeds and fight herbicide resistance. The Big 6 include:

  1. Rotate crops and pastures
  2. Increase crop competition
  3. Mix and rotate herbicides
  4. Optimise spray efficacy
  5. Stop weed seed set
  6. Implement harvest weed seed control
More on the Big 6

Latest Resources

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Article
News

Dry seeding conditions can challenge pre-emergent herbicides

Dry soil conditions at sowing can impact the efficacy of pre-emergent herbicides including potential risks to crop safety and weed control. Read More...
Article
Ask an Expert

Have we lost some key herbicides in the Northern region?

Dr Michael Widderick says the latest weed survey has uncovered increasing resistance to glyphosate, paraquat and 2,4-D in key weeds. Read More...
Case Study
Case Study

Krui Pastoral Co, Condamine, Qld

East-west sowing is a legacy of the Hamilton's land clearing for livestock, providing paddock-wide weed suppression. Read More...

Articles

View all
Article
News

Dry seeding conditions can challenge pre-emergent herbicides

Dry soil conditions at sowing can impact the efficacy of pre-emergent herbicides including potential risks to crop safety and weed control. Read More...
Article
Ask an Expert

Have we lost some key herbicides in the Northern region?

Dr Michael Widderick says the latest weed survey has uncovered increasing resistance to glyphosate, paraquat and 2,4-D in key weeds. Read More...
Article
Ask an Expert

What are some blue-sky weed control technologies?

Electric weeders, directed energy, gametocides and allelopathy are some promising new weed control methods. Read More...
Article
News

Efficient farm layout benefits weed control

Their block farming layout allows the Slarkes to complete major operations like seeding, spraying and harvesting very efficiently. Read More...
Article
News

Don’t let weeds call the shots in your business

With good advice and the WeedSmart Big 6 checklist, you will soon be on track with an integrated plan to keep weed numbers low. Read More...
Article
News

Weighing up the automated spot-spraying tech options

Automated spot-spraying (using either sensors or cameras) gives growers multiple levers to pull using different chemistry, timings and rates. Read More...
Article
News

Crop competition from the ground up

At Lake Grace, WA, the Slarkes use narrow row spacing, high seeding rates, east-west sowing, VRT and soil amelioration to help combat weeds. Read More...
Article
News

Testing optical spot-sprayers in a low weed environment

Weed detection capability is significantly reducing herbicide use on the Holland family's mixed farming operation at Young, NSW. Read More...

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