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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.

23 Oct Herbicide Environmental Impact Guide: Compare Safety & Toxicity Ratings
Shayne 0 3125
Herbicide Environmental Impact Assessment Guide When selecting herbicides for agricultural or landscaping applications, understanding their environmental characteristics can help make informed decisions that balance effectiveness with ecological responsibility. This guide evaluates common herbicide products across three key environmental factors ..
13 Jul Herbicide Guide for Preparing Native Planting Sites
Casey 0 4219
Herbicide Guide for Preparing Native Planting Sites This guide outlines herbicide options for pre-planting site preparation to support the successful establishment of native vegetation. It focuses on the safe and effective control of invasive weeds and grasses. .herbicide-table { border-collapse: collapse; width: 100%; min-width: 900px..
18 Jun Spray Rate Calculator
Shayne 0 3496
Working out Your Spray Rates with our easy-to-use Spray Conversion Calculator Calculating spray rates can be a real head-scratcher. So, we’ve made a simple tool to help take the hassle out of it. Our new Spray Rate Conversion Calculator is free and easy to access on our website. This calculator helps you quickly figure out: How much herbicide..
01 Jun Controlling Weeds Over Winter
Shayne 0 4185
Controlling Weeds Over Winter Winter is the perfect time to tackle problem weeds in your established pasture. By applying our phenoxy herbicides like WHACK – 2,4-D 800 and Rainbow & Brown MCPA750, you can target invasive weeds such as thistles, ragwort, and buttercup when they’re small yet actively growing. These weeds germinate in autumn, and wi..
21 Apr Controlling 7 Common Weeds
Shayne 0 3453
Ultimate Guide to Controlling 7 Common Weeds Here’s a guide to controlling seven common and notably pesky weeds using Rainbow & Brown products. Often, there’s more than one solution, and the best choice depends on your specific circumstances. For example, GrassMate is ideal when protecting grass is a priority, while MSF600 is better suited when gr..
09 Apr Reduce Nitrogen, Save Money
Shayne 0 2480
Use Less Nitrogen – Save Your Dollars With increasing pressure to reduce nitrogen usage, many farmers find themselves between a rock and a hard place. But what if you could cut nitrogen use and still get the same feed growth—while saving money? The Solution: Less Urea + Gibb-Gro or Gibber 900 We believe that by using 18 units of Nitrogen (approx..
13 Mar Why is Glufosinate-ammonium a Great Choice!
Shayne 0 3415
WHY CHOOSE GA200? GA200 isn’t just another herbicide—it’s a smarter, safer, and a more targeted solution for weed control.   Here’s why it’s the go-to choice: Contact Herbicide: GA200 kills only what it touches, making it perfect for areas where you need precision. No need to panic about overspray harming your prized trees or vines, as even if ..
15 Dec Understand the Real Cost of Glyphosate
Shayne 0 5709
Understanding the Real cost of Glyphosate In the ever-changing landscape of agricultural products, pricing can be a complex subject, influenced by factors far beyond the control of individual businesses. Recently, we had an inquiry from a customer questioning the current price of Rainbow & Brown Glyphosate 360, leading to a deeper look into how th..
10 Nov Gibb-Gro/Gibber 900 Seaweed Success
Shayne 0 3150
Where are my Sheep? Little Bo Peep has lost her sheep and doesn’t know where to find them. Leave them alone and they will come home, dragging their tails behind them. It is not a fairy tale this time but a true and amusing anecdote. I was chatting with one of our Gibb-Gro / Gibber 900 customers today. Based in the South Island they are now only ..
20 Oct Vegan-Friendly Fertiliser Options
Shayne 0 3693
Boosting Young Fruit Trees: Vegan-Friendly Fertiliser options As sustainable and ethical agricultural practices gain traction, more of our customers are seeking alternatives to traditional fertilisers—particularly those that avoid animal-derived ingredients like blood and bone meal. Recently, a customer asked us about the best fertilisers to help ..
03 Oct Herbicide and Fertiliser application by Helicopter
Shayne 0 4550
Enhancing Agricultural Practices with Efficient Herbicide and Fertiliser Application by Helicopter In modern agriculture, effective weed management and precise application of fertilisers are crucial for optimising crop yields and ensuring sustainable farming practices. Helicopter-based aerial agrichemical application offers significant advantages,..
02 Oct Cleaning Been There from your Spray Tanks
Shayne 0 4267
How to Clean Been There from your Spray Tanks Cleaning your spray tank after using "Been There" products, particularly the red variant, can be a bit challenging due to its persistent staining properties. This issue is common across all red spray marker dyes in the market. However, there are effective methods to remove these stains and maintain the..
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15 Jun How to Keep Horse Paddocks Healthy in NZ: Weeds, Flies, and Nutrition
Casey 0 315
Healthy horse paddocks in NZ need a three-pronged seasonal approach: weed control for persistent species like docks and buttercups, residual fly and tick management through summer, and trace mineral support to fill gaps that good pasture alone can miss. ✓Docks and buttercups reduce pasture quality and can irritate horses; treat in early spring..
28 May Foliar Fertilisation in NZ: When It Works, When It Doesn't, and How to Get It Right
Casey 0 418
Foliar fertilisation means spraying dissolved nutrients directly onto plant leaves, where they're absorbed through the leaf surface and bypass the soil entirely. It's most useful for correcting mid-season deficiencies quickly, delivering micronutrients that soil chemistry is locking up, and supporting plants at critical growth stages when you can..
10 Mar What to Use Instead of Banvine
Shayne 0 12863
Note: This article was last updated March 2026 What Can We Use Instead of Banvine(1)? Quick answer: Banvine(1) contained 200g/L 2,4-D and 100g/L dicamba. The closest ready-mixed alternative from Rainbow & Brown is LawnMate. A lower-cost option is to use individual herbicides such as WHACK – 2,4-D 800 and Rainbow & Brown Dicamba 500 SL, but any ..