Table 1.

Effect of source of variance (F- and P-values) on cottonseed protein concentration (g kg⁻¹), oil concentration (g kg⁻¹), N, C, S, P, K, Ca, Mg percentages (%), and Fe, B, Mn, and Zn concentration (mg kg⁻¹).

Effect	Minerals
	Protein		Oil		N		C		S		P		K		Ca		Mg		Fe		B		Mn		Zn
	F	P	F	P	F	P	F	P	F	P	F	P	F	P	F	P	F	P	F	P	F	P	F	P	F	P
Year	15.8	***	1.4	NS	15.8	**	8.2	*	3.3	NS	42.8	***	0.4	NS	62.0	**	44.3	***	16.9	**	36.7	**	1.0	NS	2.3	NS
Line	20.4	***	13.4	***	20.4	***	17.3	***	5.0	***	5.9	***	4.3	***	62.6	***	8.9	**	16.1	***	24.5	***	5.1	***	59.3	***
Year × Line	2.3	**	3.6	***	2.3	**	3.9	***	1.4	NS	1.8	*	1.5	NS	1.6	NS	2.2	*	3.5	**	1.4	NS	0.4	NS	13.0	***

Cotton was grown in the field in 2012 and 2013 in Stoneville, MS, USA.

^*Significance at P ≤ 0.05;

^**significance at P ≤ 0.01;

^***significance at P ≤ 0.001.