Table 1. Averages±standard deviation per agroecosystem type.

	Grass cover (%)	P-manure (kg ha−1 yr−1)	Soil C ∶ P ratio (mass units)
GRAZED
organic grasslands	85.8±15.3	63.5±19.8	20.9±15.6
conventional farms	77.7±16.5	99.3±30.0	27.3±14.4
semi-intensive farms	73.8±23.2	124.3±33.1	14.0±4.8
intensive farms	76.0±21.7	266.7±148.8	11.5±3.7
UNGRAZED
forests	2.6±11.5	0	472.4±347.4
fields	14.1±29.0	0	22.4±15.2

These types are characteristic for ∼70% of the Dutch rural landscape [42].