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A Day out Spraying Foliar Fertiliser Article written by Shayne McNamara A colleague recently spent some time with Rik Morris from RM Spraying learning about how some of the Rainbow & Brown foliar fertiliser products are used in the field.  RM Spraying is based out of Gore and applies foliar fertilisers to mostly dairy and sheep/beef farms in the ..

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..

Understanding Ascophyllum nodosum Welcome to the world of Ascophyllum nodosum, affectionately known as rockweed, knotted wrack, knotted kelp or egg-wrack. Introduced to the Rainbow & Brown family in 2016, our Ascophyllum nodosum Seaweed Extract Flake is sourced from the icy waters of the Northern Hemisphere. This natural product has gained a loyal..

Withholding Period for Herbicides Although this information is available on our labels, we frequently receive inquiries about withholding periods. To address this, we have prepared a summary of the ACVM approved withholding periods for our product range. PRODUCT WITHOLDING PERIOD – STOCK AND/OR PLANT BACK WHACK – 2,4-D 800 ..

My personal opinion... When I was spraying my driveway at home I got fed up with respraying, and although being a manufacturer where I get herbicides very cheaply, I decided to go and buy a competitor product called TAG G2(1) that you can get from most Farm supply stores.   I gave up on this as although TAG G2(1) is a very good product containing..

The ABC of Ragwort Control Ragwort is not a weed that lets you get away with a spur-of-the moment approach.   There are two reasons for that.  First is that this normally biennial plant has the ability to morph into a very hard-to-kill multi-crown perennial if it’s been mowed, slashed or ineffectually sprayed.  And each mature plant can produce 2..

Can K-Mate Humic Acid (Potassium Humate) improve Nitrogen efficiency? In the race to feed a growing global population, nitrogen (N) has become the superstar of plant nutrition. It’s the key to bumper crop yields and has led to a surge in urea fertilizer use, making up a whopping 70% of global agricultural nitrogen application. However, this surge ..

Glyphosate, Halox 100EC and GA 200 – Which one to Use Where? We often get asked which of these three herbicides to use and where to use them.   Rainbow & Brown Glyphosate 360, Glyphosate 540 and Granny (high strength soluble granular Glyphosate) Glyphosate, a broad-spectrum herbicide, is one of the most widely used chemicals globally. It is kno..

Spray Safe the Smarter Way   Spraying can be a hit-and-miss job at times. Having the certainty of knowing where chemicals have been applied, or the ability to detect spray drift by using a spray marker dye makes the process safer and more cost-effective too.   Rainbow & Brown sell FIL spray marker dyes which are high-quality additives that deli..

Unlocking the Secrets of Soil: A Beginner’s Guide to the Art of Soil Conditioning   Generally, improving soil depends on the Cation Exchange Capacity (CEC) of the soil that you are working with. Exchange capacity is merely a measure of the capacity of the soil to exchange nutrients.   Whether the CEC is large or small, it affects the soil’s cap..

Most liquid herbicides handle NZ winters without issue, but some formulations will separate, crystallise, or coagulate if they get too cold. The safe default is to keep liquid products above 4°C. Dry formulations like granules and WDGs have no temperature restriction but need to stay dry. Vegetable oil-based crop oils: keep above 4°C Most liq..

Does Water Quality Affect Herbicides? A simple question and a resounding yes.  For instance, most of you know that some herbicides, glyphosate being one of them, lose activity in the soil but that also applies to soil particles in the water.  So if you are dragging water from a pond, even if you are filtering you need to be careful that the filter..