I would expect something similar here in NZ too. Some Government papers are calling for Tax on artificial fertilizer while some groups are calling for a ban altogether.I fully expect an artificial fertiliser tax at some point. Either that or using it will disqualify you from agri-environment schemes.
After CH4 (which is a contrived issue anyway in UK ruminant farming) the next biggest climate impact of UK ag is nitrogen fertilisers.
Animal Methane is coming under more pressure too several articles in the media in the last few days saying animal numbers will need to reduce.....