Nitrogen Efficiency and Nutrient Absorption by a Sorghum-Oats Forage Succession

Table 1

Chemical soil characteristics prior to sowing of sorghum in 2010.

Depth	pH	OM	P-Mehlich	K	Ca	Mg	Al	H + Al	BS	CEC	V
(cm)	CaCl2	%	Mg dm^−3	cmolc dm^−3							(%)
0–10	4.90	3.48	8.62	0.30	5.13	2.34	0.06	5.35	7.77	13.12	59.2
10–20	4.50	3.22	4.20	0.15	3.59	1.69	0.28	5.76	5.43	11.19	48.5

BS: basis sum; CEC: cation exchangeable capacity; V: basis saturation.