Russia’s booming agriculture sector and rising exports to China because of its trade war with the US is helping the country’s local fertiliser producers grow at unprecedented levels, according to the chief executive of PhosAgro.Andrey Guryev, chief executive of the fertiliser producer, said: “Everything we are seeing from the geopolitics standpoint — the US-China trade war that will not end but will continue, and get worse — Russian agriculture is the 100 per cent beneficiary of.”Already a major grain exporter, Russia has begun to sell chicken and is preparing to start…