Table 1.

Generalized linear mixed model results for the effects of fertilizer type (conventional versus organic) and fertilizer level (high or low nitrogen) on B. oleracea var capitata above-ground dry biomass and foliar nitrogen and glucosinolate content.

		plant biomass	nitrogen	glucoiberin (3-methyl sulfinylpropyl)	sinigrin (2-propenyl)	glucobrassicin (3-indolyl methyl)	4-methoxy glucobrassicin (4-methoxy-3-indolylmethyl)	neoglucobrassicin (1-methoxy-3-indolylmethyl)
2007	fertilizer type	t9 = 1.28	t9 = 6.21***	F1,9 = 15.73**	F1,9 = 24.95***	F1,9 = 85.72***	F1,9 = 57.72***	F1,9 = 12.47**
	fertilizer level	t9 = 1.47	t9 = 4.47**	F1,9 = 0.03	F1,9 = 0.004	F1,9 = 2.95	F1,9 = 0.27	F1,9 = 0.30
	fertilizer type * level	t9 = 0.46	t9 = 3.72**	F1,9 = 0.54	F1,9 = 0.002	F1,9 = 0.73	F1,9 = 3.81	F1,9 = 1.40
2008	fertilizer type	t9 = 1.01	t9 = 6.21***	t9 = 4.64**	t9 = 4.08**	t9 = 4.04**	t9 = 2.98*	t9 = 1.07
	fertilizer level	t9 = 0.76	t9 = 4.47**	t9 = 2.62*	t9 = 1.13	t9 = 0.12	t9 = 2.54*	t9 = 1.14
	fertilizer type * level	t9 = 0.86	t9 = 3.72**	t9 = 2.01	t9 = 1.31	t9 = 0.24	t9 = 2.81*	t9 = 1.10

* p < 0.05.

** p < 0.01.

*** p < 0.001.