Life's Bottleneck: Sustaining the World's Phosphorus for a Food Secure Future

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Earth beyond six of nine planetary boundaries (2023, unknown): “The current rate of application of P in fertilizers to crop-lands is 17.5 Tg of P year − 1 ( 76 ) although P use is rising and much higher estimates of up to 32.5 Tg of P year − 1 have been reported in other studies ( 77 – 79 ).”
Soil Degradation, Land Scarcity and Food Security: Reviewing a Complex Challenge (2016, background): “Phosphorus is a key element in agriculture, but it too may soon become scarce, creating a bottleneck for our highly intensive agriculture [185].”
Safe and just Earth system boundaries (2023, unknown): “2018), and indirect harm through the consequences of eutrophication, such as loss of ecosystem services including lost fishery catches, impacts on farmland that rely on eutrophic water, and health impacts from algal blooms (Lavelle et al. 2005; Erisman et al. 2013; Cordell and White 2014; Schulte-Ue”
The Role of Soil Microorganisms in Plant Mineral Nutrition—Current Knowledge and Future Directions (2017, background): “Furthermore, known reserves of phosphate rock are rapidly diminishing and predicted to be exhausted within a few decades (Cordell and White, 2014), while N-fertilizer production via the energy-intensive Haber– Bosch process relies upon fossil fuels and thus exacerbates global warming and natural res”