Fertiliser
'Tractor of the skies' pilot notches up major milestone
Aerial topdresser John Bargh is preparing for another season up in the air. He's spent nearly five decades in the skies spreading fert on hill country farms and says this season has been as tough as… Audio
Full circle composting on a Tararua dairy farm
The team at Waka Dairies near Dannevirke is turning waste from milking cows into fertiliser that can be worked back into the farm. Audio
Matthew Galloway: why take phosphate from the Western Sahara?
From his house on Otago Harbour, designer and artist Matthew Galloway sees the same view every evening as the sun sets: a plume of smoke rising from the chimney of the Ravensdown Factory. The factory… Audio
'It's not too hard' - DairyNZ Climate Change Ambassador
Dairy farmer George Moss used to be a climate change skeptic, now he's a climate change ambassador the dairy industry. Audio
Farm Talk - Welsh farmer Iwan Francis
Welsh dairy farmer Iwan Francis uses New Zealand genetics. He says they produce cows with a superior ability to turn grass into milk. Audio
Nitrogen - a vital powerhouse
Most important biological molecules contain nitrogen, even though it takes lots of energy to make or break its chemical bonds, says Allan Blackman from AUT in ep 54 of Elemental. Audio
No more cows should be allowed on Canterbury plains - Fish and Game
Intensive dairy farming and nitrate-laden fertiliser are contaminating the Canterbury water supply, Fish & Game New Zealand says. Audio
'Organic vet' Dr Paul Dettloff visits NZ
Dr Paul Dettloff was in the country recently to educate farmers and vets about the transition to sustainable practices and homeopathic treatments for cattle infected with Mycoplasma bovis.
Audio, Gallery
Ravensdown wants farmers to make smarter fertiliser decisions
The fertiliser co-operative is prepared to sell less fertiliser if that is what it takes to get better environmental outcomes for streams and rivers, it says.
Activists say NZ needs to stop importing African phosphate
A New Zealand ship full of fertilizer has been stopped in South Africa over claims it was illegally mined. Western Sahara Resource Watch lobbiest Erik Hagen says the situation is not complex, it is… Audio
Farmer confidence on the up, says Ravensdown
Strong demand for its fertiliser is a signal of farm confidence lifting, says Ravensdown.
Kaika Energy - from food waste to fertiliser and biogas
A group of Year 13 students from Kaikorai Valley College in Dunedin have created a biotechnology company and installed a biodigestor at school Audio