This Blog section is for news about Rainbow & Brown products and their application but especially new products.
20 Sep
0
13405
Carrot weed is the common name for parsley dropwort (Oenanthe pimpinelloides), a perennial broadleaf weed that regrows each year from small black tubers on its roots. Stock won't eat it, so it takes over paddocks quietly and then flowers from October through April once it's too late to do much about it. The window that actually works is autumn th..
15 Dec
0
2361
Herbicide Resistance: A Growing Challenge
Herbicide resistance is becoming an increasing challenge across New Zealand, affecting pasture, cropping, vineyards, forestry, and lifestyle blocks alike. It occurs when a weed population adapts to survive a herbicide that once provided reliable control - often after the same mode of action has been used ..
13 Oct
0
7749
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..
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20 Sep
0
13405
Carrot weed is the common name for parsley dropwort (Oenanthe pimpinelloides), a perennial broadleaf weed that regrows each year from small black tubers on its roots. Stock won't eat it, so it takes over paddocks quietly and then flowers from October through April once it's too late to do much about it. The window that actually works is autumn th..
13 Sep
0
74
Biochar is a highly porous form of charcoal made by heating wood with very little oxygen, and it works by giving soil (and gut) microbes somewhere to live while holding onto water and nutrients that would otherwise wash straight through. Southland Carbon makes it from New Zealand wood biomass at Pukerau, and the same process that produces the bioc..
17 Aug
0
239
Buttercup survives in pasture because cattle find it genuinely unpalatable, so it's left standing while everything around it gets grazed down. Flumetsulam-based herbicides such as Decision control both annual and giant (perennial) buttercup while leaving clover largely untouched, unlike older broadleaf sprays that knock clover around too. Spring, ..