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 108 cells·mL−1)
None
248.3d
1016.6d
267.3c
1138.8c
115.1c
352.2c
1230.4b
5976.5c
W48
227.9c
1135.5c
342.4a
1326.7b
183.4ab
403.2ab
1541.9a
6399.9b
W42
286.8b
1159.8b
311.9b
1323.2b
177.9b
379.9bc
1495.3a
7081.9a
W48 + W42
311.2a
1199.7a
345.6a
1416.1a
192.7a
420.3a
1492.5a
6990.0a
(B) Phosphorus fertilizer level (%)
0
247.6d
987.0d
255.9d
1138.0d
133.4d
330.7c
1171.1c
5290.0d
50
281.9c
1075.8c
296.4c
1261.1c
157.4c
371.5b
1419.7b
6244.9c
75
292.4b
1207.9b
334.9b
1363.3b
180.5b
426.5a
1569.6a
7205.1b
100
302.4a
1240.8a
380.1a
1442.4a
197.8a
427.0a
1599.7a
7708.2a
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.