Potential of Phosphorus Solubilizing Purple Nonsulfur Bacteria Isolated from Acid Sulfate Soil in Improving Soil Property, Nutrient Uptake, and Yield of Pineapple (Ananas comosus L. Merrill) under Acidic Stress

Table 3

Effects of added liquid biofertilizers containing P solubilizing purple nonsulfur bacteria and phosphorus fertilizer levels on the dry biomass parts of pineapple cultivated in acid sulfate soil.

Factor		Crown	Flesh	Core	Shell	Slip, stem, shoot, and sucker	Peduncle (stem)	Butt (stem with leaves stripped off)	Leaf
		kg·ha^−1
(A) Biofertilizers (initial cell density 10^8 cells·mL^−1)	None	248.3^d	1016.6^d	267.3^c	1138.8^c	115.1^c	352.2^c	1230.4^b	5976.5^c
	W48	227.9^c	1135.5^c	342.4^a	1326.7^b	183.4^ab	403.2^ab	1541.9^a	6399.9^b
	W42	286.8^b	1159.8^b	311.9^b	1323.2^b	177.9^b	379.9^bc	1495.3^a	7081.9^a
	W48 + W42	311.2^a	1199.7^a	345.6^a	1416.1^a	192.7^a	420.3^a	1492.5^a	6990.0^a
(B) Phosphorus fertilizer level (%)	0	247.6^d	987.0^d	255.9^d	1138.0^d	133.4^d	330.7^c	1171.1^c	5290.0^d
	50	281.9^c	1075.8^c	296.4^c	1261.1^c	157.4^c	371.5^b	1419.7^b	6244.9^c
	75	292.4^b	1207.9^b	334.9^b	1363.3^b	180.5^b	426.5^a	1569.6^a	7205.1^b
	100	302.4^a	1240.8^a	380.1^a	1442.4^a	197.8^a	427.0^a	1599.7^a	7708.2^a
F (A)
F (B)
F (A × B)							ns
C.V. (%)		3.89	2.72	4.46	1.79	8.23	10.2	5.06	5.70

Numbers in each column with the same following letters are insignificantly different from each other; ns: not significant difference; : significant difference at 5%; none: no added biofertilizers; W48: Rhodobacter sphaeroides W48; W42: R. sphaeroides W42; W48 + W42: a mixture of R. sphaeroides W48 and R. sphaeroides W42.