-
The prices of fertilisers are recovering more slowly than those of other commodities, making fertiliser companies relatively cheap.
ECONOMIST: Feeding the world has become a mouth-watering opportunity
-
Conventional farming methods using conventional fertilisers are adding active nitrogen to the soil, which tends to move to other places - lakes, rivers, seas, the air.
BBC: Food: Organic growth?
-
The festival raises money for Greenpeace, Oxfam and Water Aid, while Mr Eavis' other green measures include recycling food waste on the working dairy farm, meaning he has not needed to use chemical fertilisers for almost 40 years.
BBC: Glastonbury tickets are 90% sold