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This Blog section is for news about Rainbow & Brown products and their application but especially new products.
13 Sep What Is Biochar and How Does It Work in NZ Soil?
Casey 0 68
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..
28 May Foliar Fertilisation in NZ: When It Works, When It Doesn't, and How to Get It Right
Casey 0 700
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..
09 Mar Fulvic Acid Explained: How Fulvex 9500 Unlocks Nutrients Plants Can Actually Use
Casey 0 2869
Fulvic Acid Explained: How Fulvex 9500 Unlocks Nutrients Plants Can Actually Use Category: Soil Health Quick answer: Fulvic acid helps plants access nutrients that may already exist in the soil but are chemically locked up and unavailable. Fulvex 9500 is a highly concentrated 95% pure fulvic acid that works as a natural chelator, binding minera..
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20 Sep How to Kill Carrot Weed (Parsley Dropwort) in NZ Pasture
Shayne 0 13387
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 What Is Biochar and How Does It Work in NZ Soil?
Casey 0 68
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 How to Control Buttercup in Pasture NZ (Without Losing Your Clover)
Shayne 0 237
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, ..