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. 2017 Jan 1;140:871–880. doi: 10.1016/j.jclepro.2016.05.049

Table 3.

AD digestate utilization efficiencies (Wallace, 2011).

Unit Value Efficiency (%)
Readily available Na kg/m3 5.94 34.5
Total phosphate (P2O5) kg/m3 0.48 46
Total potash (K2O) kg/m3 1.81 60
a

40% of the readily available content of nitrogen is lost during spreading.