This Blog section is for news about Rainbow & Brown products and their application but especially new products.
General information about farming, weed control, herbicides, seaweed, fertlisers and other.
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Agapanthus is not really a weed, of course. It’s more of an ornamental flower, and a pretty nice one too, in its place. It is, for example, better able than almost anything else to handle the carbon monoxide laden atmosphere in the middle of a busy motorway. That’s why we see so many planted there, and looking very pretty too. The problem, however,..
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Glyphosate Continues to RiseShort supply of raw material and increased production and shipping costs create almost the “perfect storm”!Increased global demand coupled with China’s Yunnan district have cut power supply by 10-30% resulting in shortages and huge increases in the price of yellow phosphorous which is the main raw material used for glyph..
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NATURAL or GREEN
HERBICIDES - THE HIDDEN FACTS
This article arose from a question from a customer that wanted to spray out a whole paddock – grass and weeds - but wanted a natural herbicide solution as they had a horse that was sensitive to chemicals. Fair enough.
We have always been keen on offering some more “green” herbicide alternatives..
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How toxic are herbicides?Although herbicides are chemicals and all chemicals should
be treated with respect there needs to be some perspective given as there is a mountain of misinformation being
spread by people that really don’t know what they are talking about. I hear it all the time on talkback and it
makes my blood boil.Below is a table whic..
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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..
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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..
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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..