Fertiliser - the key ingredient needed to help crops grow - is in short supply across the world. Global prices have also sky-rocketed in part because of the Russia-Ukraine conflict. Russia, which is under Western sanctions, produces large amounts of potash, ammonia and urea. These are the three key ingredients needed to make chemical fertiliser. Russia exports around 20% of the world's nitrogen fertilisers and combined with its sanctioned ally Belarus, 40% of the world's exported potassium
The amount of fertiliser available globally has almost halved, while the cost of some types of fertilizer have nearly tripled over the past 12 months, according to the United Nations.