Phosphorus is a key element in food production, but is a non-renewable resource. Recent estimates suggest that global production of P fertilizers will peak in 2033 and will be one third of that peak level by the end of the 21st century. Population and income growth will increase demand for food,...

Being of crucial importance for agricultural production and also having experienced significant price volatility, phosphate and its future availability have drawn growing at-tention from both academics and the public over the last years. This paper overviews the recent literature and data on the...