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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.

04 Nov How to Kill Agapanthus
Shayne 0 47021
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,..
14 Oct HOW TO KILL CARROT WEED
Shayne 0 13337
Parsley dropwort (Oenanthe pimpinelloides) is very often known as ‘carrot weed’ although it is not closely related to the wild carrot species. It is common in Northland and South Auckland, but also exists in other North Island locations.  It grows in pastures as well as waste areas, roadsides, disturbed ground, sports fields and lawns. Carrot wee..
11 Sep The Perfect Storm - Glyphosate Price Rises
Shayne 0 7007
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..
25 Jun NATURAL OR GREEN HERBICIDES - the hidden facts
Shayne 0 10144
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..
14 Jun How Toxic are Herbicides
Shayne 0 8616
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..
Showing 25 to 29 of 29 (3 Pages)
17 Aug How to Control Buttercup in Pasture NZ (Without Losing Your Clover)
Shayne 0 162
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05 Aug How to Kill Californian Thistle in Pasture NZ
Casey 0 224
Californian thistle is hard to kill because the plant you see is only the top of a deep, spreading root system that keeps throwing up fresh shoots from root buds. Knocking back the top growth won't get on top of it. The reliable approach is a herbicide that moves through the whole plant down to the root buds, applied while the thistle is actively..
05 Aug Grass stopped growing? It's just idling, not done
Casey 0 292
Grass growth stalls once soil temperatures drop below about 10 degrees, which is the winter feed gap every farmer knows. Gibberellic acid, a natural plant hormone sold as Gibb-Gro and Gibber900, can get pasture moving again once soils sit in the 6 to 13 degree range, with a lift in dry matter over about three weeks. It works as a top-up on green,..