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How Long Before Rain Can I Spray? You want to spray today, but the weather forecast is looking iffy. So, how long before rain is it safe to spray? This is one of the most common questions, and the answer varies depending on several factors. The table below provides a guideline for rainfastness (or the time needed before rain) to help you achieve ..

Ranger, with thifensulfuron-methyl as the active ingredient, is a selective herbicide by Rainbow & Brown and is your go-to solution for controlling buttercups and docks in pastures, making it especially suitable for horse grazing. Ranger suppresses clovers without causing significant damage to grass species, ensuring your pasture remains productive..

Which Glyphosate do I use? We’re often asked about the differences between the three types of Glypohsate we sell. The basic answer is nothing.  Well, almost nothing.  The main difference is the strength.  A higher strength glyphosate means you use less in your spray tank.  There are a few other differences, like ease of use, quicker absorption, a..

The Ultimate Guide to Controlling Onehunga Weed: When and How to Spray for Best Results If you've ever walked barefoot across a New Zealand lawn and suddenly jumped in pain, you've probably met Onehunga weed (Soliva sessilis). This notorious little pest has been the bane of bare feet across the country for decades, and if you're dealing with an in..

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..

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..

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..

When selecting a herbicide there are many factors to consider.  What weeds will it kill?  Is it pasture friendly?  Does it harm clover?  Often you might end up with 2 or 3 options that all might do the job so how do you choose?  Well the one thing that often gets overlooked is the price.  Many might look at the 20L cost but this doesn’t really he..

Which Rainbow & Brown Herbicides are Grass and Clover Friendly? Below is a handy reference table to show which of our products are safe to use on pasture and / or clover and which have some residual effect which might affect replanting. Note: in some circumstances and at certain times of the year or at the rates required to control some weeds the..

Controlling Weeds in New Pasture This one can be tricky as many of the herbicides used for general weed control in established pasture are just too tough on new pasture and you risk damaging your new pasture. Whether grass weeds or broadleaf weeds they can be either annual or perennial. It is really important that you are on top of perennial weed..