
NSW farmer Martin Royds reckons he's stumbled onto something big.
How to kill one of Australia's worst weeds - serrated tussock - with a chemical-free fertiliser known as urea, without killing the soil and surrounding plants.

NSW farmer Martin Royds reckons he's stumbled onto something big.
How to kill one of Australia's worst weeds - serrated tussock - with a chemical-free fertiliser known as urea, without killing the soil and surrounding plants.