Phosphorus Sorption Kinetics in Reclaimed Lignite Mine Soils under Different Age Stands of Robinia pseudoacacia L. in Northeast Germany

Table 1

Description of the study sites located in the postlignite mining area, Welzow South.

Study site	Established in	Area	Dominant substrate			Fertilizer rates
		ha	Sand	Silt	Clay	N	P	K
			%			kg ha^−1
R2	2007	11.7	87.4	7.9	4.7	120	100	—
R3	2006	8.6	87.3	8.7	4.0	120	100	—
R4	2005	13.2	80.0	13.0	7.0	120	100	—
R14	1994	0.75	74.6^*	4.3^*	20.3^*	170	—	100

 ^*After Bungart and Hüttl [1].