This Blog section is for news about Rainbow & Brown products and their application but especially new products.
04 Jul
Due to a number of requests from customers we have extended the special organosilicone wetting agent prices we had running for Fieldays until 4:30pm on Friday 12th July 2019
Check out the prices and info below and http://www.rainbowbrown.co.nz/penetrants
Rainbow & Brown have a great range of wetting agents and penetrants to aid the performance of herbicides in getting into and around the weed to allow maximum efficacy.
26 Oct
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Every NZ farm that uses hazardous substances needs an up-to-date chemical inventory and a current safety data sheet (SDS) for each product, kept where workers and emergency services can get to them. When WorkSafe checked 680 sheep, beef and dairy farms in late 2025, missing SDSs and inventories were behind 94% of the improvement notices issued. B..
08 Oct
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A wetter helps spray droplets spread across a leaf and stay there, instead of beading up and rolling off before the herbicide gets in. Use a non-ionic wetter for everyday spraying, and step up to an organosilicone wetter for waxy, hairy, dusty or stressed weeds. Always check the herbicide label first, because it tells you whether a wetter is need..
30 Sep
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Spring is the only time of year a wasp queen is on her own. She's out of hibernation, building a small nest by herself and feeding her first larvae with no workers to back her up. Catch her now and that nest never forms, which means no colony of thousands and no new queens next autumn.
✓Queens are active from early spring, roughly September to..
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