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Exploring the Potential of Plant-Based Amino Acids – Now Brought to Life with Amino-80 In our August - September 2024 newsletter, we shared exciting early results from our research into plant-based amino acids for pasture and crop health. Those initial results were promising, and today, we’re thrilled to share that the work has culminated in the l..

Terbuthylazine 500 Now Available to Buy Online! Newly added to our range, Terbuthylazine 500 is a versatile herbicide designed specifically for use in forestry and non-croplands areas. It’s great for lifestyle block users or anyone managing a small forestry area. Terbuthylazine is ideal for pine spray release, ensuring young pine saplings remain ..

Introducing the Nitrosol Retail Range to Rainbow & Brown We are excited to announce the arrival of two fantastic additions to our gardening product line: Nitrosol Oceanic and Nitrosol Tomato. These products bring the renowned quality of Nitrosol into convenient 1L sizes, perfect for the home gardener. Nitrosol Oceanic is a trusted favourite among..

Exciting News! Keen-eyed readers may have noticed a recent addition to our Rainbow & Brown website: the Gibb-Gro range. Gibb-Gro, a well-established brand in New Zealand for over 12 years, is known as the preferred Plant Growth Regulator. In recent times, Gibb-Gro has diversified its offerings beyond Gibberellic Acid to include wetters, Seaweed Ex..

On the back of many international and successful trials, there had been little done in New Zealand on the benefits of humic acid and fulvic acid, especially when used in conjunction with Nitrogen. NZ trials were done back in 2012 by Phillip Schofi eld, Nicky Watt and Max Schofield testing the benefits of using humic acid granules (potassium humate/..

New Product – K-MATE 100% Soluble Potassium Humate/Humic Acid What is K-Mate? Potassium humate is an organic-based soil conditioner that feed the microbes in the soil.  It contains highly active humic accod and fulvic acid and is compatible with most other fertilisers. Soluble Humate Formulation Some of you might have tried humate and fulvates..

Foam Crusher is an organosilicone based defoamer agent.  These are products that are added to herbicide and pesticide mixes to reduce the amount of foaming.  Although mainly used by the helicopter boys (and girls) to allow them to fill up and get spraying quickly, there are plenty of people boom spraying that have the same issues, so they too are u..

New to our product stable is the well-known and respected Nitrosol.WHAT IS NITROSOLNitrosol is a range of biological fertilisers in a liquid concentrated form.  Sourced from either sheep processing abattoirs or fish processing operations these are designed as total replacement, one-step fertilisers.  Nitrosol is a supply of NPK in the ratio of 11-5..

We are pleased to announce that effective 1st August Rainbow & Brown are part of the Agrecovery stewardship programme to recycle plastic containers used rurally. This means you no longer need to burn or bury your Rainbow & Brown herbicide, wetter or other HDPE plastic containers.  You can just drop these at approved drop off points including the q..

As you all know we frequently bang on about cut stump treatments for many weeds, especially the woody ones.  Many of our more than 90 Weed Files have some form of cut stump recommendation.  We have generally recommended Glyphosate 360, Glyphosate 540, Granny, MSF600 or GrassMate in concentrated solutions painted onto the stumps but this is not the ..

We get asked frequently how our product compares with say some of the liquid seaweeds that are around, and also how well does the product dissolve.The answer to both is really well.  Go and check out our product application information and also our material on use as an animal supplement. More information here.Our seaweed extract flake is a concent..

Rainbow & Brown's MSF600 gorse killer is ideal for control of gorse and other scrub weeds.  MSF600 herbicide is probably the most cost-effective weedkiller for gorse in NZ and is certainly the cheapest gorse killer Rainbow & Brown has to offer.You need to be patient though.  The mode of action of MSF600 is basically to stop the gorse growing and on..