Species Specific Responses to Age on Nodule Formation, Seedling Growth, and Biomass Production of Acacia auriculiformis at Nursery Stage

Table 2

Summary of nodulation responses of different particulars of A. auriculiformis with age. Data shows mean values ± SE. The same letter in the same row indicates no significant differences.

Particulars	60 days	90 days	120 days	150 days	180 days	value
NN	8.8 ± 1.96	9.4 ± 2.32	31.1 ± 2.6	34.6 ± 2.8	44.4 ± 3.78	0.000
LN	14 ± 2.78	35.6 ± 7.4	38.2 ± 2.6	46.4 ± 5.16	59.8 ± 4.36	0.000
R/S (gr)	0.156 ± 0.013	0.318 ± 0.045	0.36 ± 0.04	0.25 ± 0.02	0.27 ± 0.03	0.003
R/S (od)	0.29 ± 0.02	0.20 ± 0.06	0.22 ± 0.04	0.35 ± 0.01	0.37 ± 0.02	0.001
RBM	0.32 ± 0.11	1.29 ± 0.32	2.68 ± 0.11	5.88 ± 0.58	8.2 ± 0.61	0.001
SBM	1.09 ± 0.16	6.6 ± 0.49	12.3 ± 1.15	16.6 ± 1.01	22.4 ± 1.9	0.003
Height	21.2 ± 1.02	24.2 ± 3.92	26.9 ± 2.55	27.8 ± 2.65	36 ± 3.74	0.000

Note: NN: nodule number per seedling, LN: leaf number per seedling, R/S (gr): root shoot ratio of green weight, R/S (od): root shoot ratio of oven dry weight, RBM: root biomass per seedling, and SBM: shoot biomass per seedling.