Table 1 Mean continental stocks in Gt (in the top 20–30 cm depth) of plant available and non-readily plant available soil phosphorus in cropland and improved grassland

Continent	Cropland		Improved grassland		Other land uses
	Plant available	Non-readily plant available	Plant available	Non-readily plant available	Total
Africa	0.037	0.546	0.002	0.027	0.837
Asia	0.089	0.844	0.007	0.119	0.901
Europe	0.070	0.934	0.007	0.147	1.227
North America	0.024	0.334	0.005	0.098	1.174
Oceania	0.083	0.055	0.003	0.035	0.258
South America	0.027	0.335	0.002	0.034	0.454
Total	0.254	3.049	0.024	0.461	4.851

Data were sourced from the 0–20 cm depth from McDowell et al.⁷ and Ringeval et al.⁶. The mean year of these databases is 2015.

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