Effects of three biomaterials mixed with growing media on seedling quality of Prunus sargentii

Figures & data

Table 1. Physical and chemical properties of three biomaterials after mixing with growing media.

Biomaterials	Control	Mushroom sawdust		Pine bark		Rice husk
Mixed ratio		10%	20%	10%	20%	10%	20%
pH	5.8	5.4	5.0	4.5	4.9	5.0	5.2
EC (dS m^−1)	0.13	0.11	0.15	0.18	0.12	0.15	0.15
Bulk Density (g cm^−3)	0.36	0.44	0.43	0.40	0.36	0.38	0.37

Table 2. Leaf, stem, root dry weight and biomass allocation of Prunus sargentii applied with 3 biomaterials and 2 mixed ratios in a containerized seedling production system.

Biomaterials	Mixed ratio (%)	Leaf (g/tree)		Stem (g/tree)		Root (g/tree)		R/S ratio^a (%)		L/A ratio^b (%)
Control	0	14.2	(0.4)	24.2	(0.8)	17.3	(0.5)	37.0	(0.3)	45.3	(1.8)
Mush-room sawdust	10	13.8	(0.5)	25.6	(0.9)	17.2	(1.0)	34.9	(0.4)	43.5	(1.7)
	20	13.8	(0.3)	24.2	(1.0)	16.0	(0.7)	36.4	(0.7)	42.0	(1.0)
Pine bark	10	14.4	(0.3)	28.2	(0.7)	29.1	(2.5)	33.8	(0.2)	67.7	(4.4)
	20	13.8	(0.3)	26.2	(0.6)	22.2	(2.4)	34.6	(0.4)	55.2	(5.0)
Rice husk	10	14.6	(0.8)	28.8	(1.9)	29.3	(4.9)	33.7	(1.8)	66.7	(7.5)
	20	12.7	(0.6)	25.4	(1.2)	27.1	(1.2)	33.4	(1.6)	71.0	(1.7)

Parentheses represent one standard error of the mean (n = 5).

^a R/S ratio: Root to shoot ratio.

^b L/A ratio: Leaf to aboveground ratio.

Figure 1. Height growth of Prunus sargentii applied with 3 biomaterials and 2 mixed ratios in a containerized seedling production system. Different letters represent significant differences (p < 0.05) between treatments. Vertical bars represent one standard error of the mean (n = 5).

Figure 2. Root collar diameter growth of Prunus sargentii applied with 3 biomaterials and 2 mixed ratios in a containerized seedling production system. Different letters represent significant differences (p < 0.05) between treatments. Vertical bars represent one standard error of the mean (n = 5).

Figure 3. Total dry weight of Prunus sargentii applied with 3 biomaterials and 2 mixed ratios in a containerized seedling production system. Different letters represent significant differences (p < 0.05) between treatments. Vertical bars represent one standard error of the mean (n = 5).

Figure 4. Seedling quality index of Prunus sargentii applied with 3 biomaterials and 2 mixed ratios in a containerized seedling production system. Different letters represent significant differences (p < 0.05) between treatments. Vertical bars represent one standard error of the mean (n = 5).