Our global food supply is at risk when high gas prices limit the creation of fertiliser | Andrew Whitelaw

We need synthetic fertilisers to produce enough food for the world's population - there are no other alternatives yetSign up for the Rural Network email newsletterJoin the Rural Network group on Facebook to be part of the communityIf water is the source of life, fertiliser is the source of scaleable food production.The increasing cost of fertiliser is one of the largest contributors to a "cost-price" squeeze affecting the farmers of major agricultural products in Australia and globally.Sign up to receive Guardian Australia's fortnightly Rural Network email newsletter Continue reading...