herbicide use on a seafront bank to kill plants so that new plants can grow

motueka tasman district region south island aotearoa zealand irony herbicide yellowing soil agriculture control kill sprayed die pollution dieing glyphosate green organophosphorus nature weeds killer grass systemic cultivation chemical organic spray poison pesticides weedkiller toxic roundup round sunny controlling weed management clean plant care liquid lawn environmental damage dessicated use seafront bank plants grow irony thrive run flows estuary shellfish harvested food zealand love affair