Synthetic Fertilisers
Healthy cows and worm rich soil makes Motupipi milkers happy
15 Nov 2024
No looking back for dairy farming couple who eliminated imported feed and synthetic fertilisers, including nitrogen and switched to mineral fertilisers. Audio
The Otago 'dirt doctor' who fixed his damaged soil
27 Aug 2021
North Otago vege grower Jim O'Gorman has spent the past 20 years studying the soil at his market garden at Kakanui. His research focuses on restoring to health and high productivity damaged land… Video, Audio
