Russian fertiliser billionaire Dmitry Mazepin RUSSIAN fertiliser billionaire Dmitry Mazepin arrived in Harare on Tuesday afternoon to explore opportunities in Zimbabwe’s agro-chemical sector, the latest mogul to peek into the country as President Emmerson Mnangagwa actively courts foreign capital. Mazepin is one of Russia’s richest businessmen, Forbes puts his worth at $3,2 billion, but various Russian newspapers value his wealth at up to $7,7 billion. Forbes places him in the top 100 of richest Russians. Mazepin has made his fortune in the fertiliser business, through his company Uralchem, which is the world’s second-largest manufacturer of ammonium nitrate. In 2013, he bought into Uralkali, the world’s largest miner of potash, used in the manufacture of fertiliser. Uralkali is…