Table 2.

Plant and root biomass, main roots length of pea genotype in pots or RhizoTubes

	Total plant dry matter (g/plant)	Root dry matter (g/plant)	Main root length (cm)
Pots	2.04 ± 0.34 (A)	0.28 ± 0.04 (A)	33.8 ± 8.7 (A)
RhizoTubes	1.93 ± 0.33 (A)	0.35 ± 0.06 (A)	49.6 ± 0.05 (B)

Total plant (i.e. shoots and roots) dry matter, length of main roots of Kayanne genotype (Pisum sativum) cultivated in pots or RhizoTubes with 10 mMeq soil mineral nitrogen were measured after 28 days after sowing. Letters in parentheses indicate significant differences (P < 0.05) between traits measured in RhizoTube or in pot