Table 1.

The dependence of total mass on experimental treatments based on mixed model ANOVA.

Effect	df	F	P
N	1,165	242.9	<0.001
Light	1,165	74.6	<0.001
N × Light	1,165	46.0	<0.001
Tsp	2,165	15.9	<0.001
Tsp × N	2,165	11.9	<0.001
Tsp × Light	2,165	2.5	0.090
Tsp × N × Light	2,165	4.5	0.012
Cul	2,165	43.4	<0.001
Cul × N	2,165	10.8	<0.001
Cul × Light	2,165	1.4	0.246
Cul × N × Light	2,165	5.1	0.007
Tsp × Cul	4,165	18.8	<0.001
Tsp × Cul × N	4,165	13.1	<0.001
Tsp × Cul × Light	4,165	1.3	0.291
Tsp × Cul × N × Light	4,165	3.7	0.006

Fixed factors: Nitrogen (N), Light, Target species (Tsp), and culture (Cul); Random factor: Pot number. Significant results are shown in bold.