Table 2. Results of a two-way analysis of variance of alfalfa clones by treatment (T), and genotype (G).

Dependent variables		T	G	T × G	Cov
Biomass		<0.001	<0.001	<0.001	<0.001
Height		<0.001	<0.001	0.047	0.015
Number of shoots		<0.001	<0.001	0.002	<0.001
Ions	Na	<0.001	<0.001	<0.001	0.185
	Cl	<0.001	<0.001	<0.001	0.301
	K	<0.001	<0.001	<0.001	0.360
	K/Na	<0.001	<0.001	<0.001	0.722
	P	<0.001	<0.001	0.010	0.636
	S	0.002	<0.001	0.001	0.490
	Ca	<0.001	<0.001	0.001	0.642
	Mg	<0.001	<0.001	0.004	0.766

Numbers represent P values. Values less than 0.05 are considered significant.