Computing the biomass potentials for maize and two alternative energy crops, triticale and cup plant (Silphium perfoliatum L.), with the crop model BioSTAR in the region of Hannover (Germany)

Environmental Sciences Europe

Table 2 Reference table for approximation of nFK values from soil type and soil number

	*nFK*classes [mm] and the corresponding class boundaries of the soil numbers
	50	90	140	200	250	270	300
S	≤21	>21 ≤ 37	>37
Sl	≤17	>17 ≤ 31	>31 ≤ 47	>47
lS	≤18	>18 ≤ 32	>32 ≤ 49	>49 ≤ 71	>71
SL	≤17	>17 ≤ 31	>31 ≤ 48	>48 ≤ 69	>69 ≤ 86	>86
sL	≤18	>18 ≤ 33	>33 ≤ 51	>51 ≤ 73	>73 ≤ 92	<92
L	≤17	>17 ≤ 31	>31 ≤ 48	>48 ≤ 69	>69 ≤ 86	>86 ≤ 95	>95
LC	≤21	>21 ≤ 38	>38 ≤ 59	>59 ≤ 84	>84
C	≤21	>21 ≤ 38	>38 ≤ 60	>60

Source: Changed, after Müller et al. [27]. S, sand; Sl, slightly loamy sand; lS, loamy sand; SL, very loamy sand; sL, sandy loam; L, loam; LC, heavy loam; C, clay.