Only 16 or so elements are truly essential for plant growth. The rest of the elements present in plant tissue are largely taken up in small quantities incidentally (or accidentally!) as plants take up the nutrient elements that they need for growth and reproduction.
Turkey has the largest economy in the region, followed by Saudi Arabia and Iran. Petroleum is the major industry in the regional economy, as more than half of the world's oil reserves and around 40 percent of the world's natural gas reserves are located in the region.
Natural gas can be found in oil fields, natural gas fields and coal beds and is one of the worldâs cleanest, safest and most useful sources of energy. Approximately 92% of Australiaâs natural gas reserves are located in Western Australia, in the Carnarvon, Browse and Bonaparte basins. They attributed close to 2% of global gas reserves in 2008.