TABLE 3.

Nutrient contents of soybean grains as affected by inoculation of plant growth-promoting bacteria (PGPB) and arbuscular mycorrhiza fungi (AMF), with or without the addition of nitrogen (N), phosphorus (P), and potassium (K) fertilizers.

Treatments	Carbohydrate	Protein	Zinc	Iron
	____________%_____________		_________mg 100 g–1_________
Control	20.14 ± 0.02f	31.02 ± 0.16h	2.74 ± 0.03h	16.75 ± 0.03f
PGPB	22.23 ± 0.02e	32.38 ± 0.06f	3.21 ± 0.01g	18.32 ± 0.03e
AMF	22.24 ± 0.02e	32.06 ± 0.06g	3.19 ± 0.02g	18.23 ± 0.02e
PGPB+AMF	22.33 ± 0.02d	32.75 ± 0.06e	3.33 ± 0.03f	18.43 ± 0.02d
PGPB+N	22.30 ± 0.02d	38.65 ± 0.19c	3.46 ± 0.07e	18.49 ± 0.03d
PGPB+PK	22.30 ± 0.02d	32.65 ± 0.10e	4.74 ± 0.02c	19.64 ± 0.08b
PGPB+NPK	22.37 ± 0.02c	38.33 ± 0.10d	4.73 ± 0.02c	19.71 ± 0.02b
PGPB+AMF+N	22.34 ± 0.02cd	39.60 ± 0.10b	3.64 ± 0.03d	18.60 ± 0.01c
PGPB+AMF+PK	22.41 ± 0.01b	38.85 ± 0.04c	4.82 ± 0.03b	19.72 ± 0.08b
PGPB+AMF+NPK	22.67 ± 0.02a	39.92 ± 0.04a	4.92 ± 0.05a	19.90 ± 0.02a

Data (Mean ± SD) within columns with different letters are significantly different (Tukey’s HSD, p < 0.001).