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Page 3.

EFFICACY EVALUATION
CB– RSG BIOLOGICAL FERTILIZER

Table
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Mean yield components at harvest:
See Table 2.

Plant height, in cms:
Statistical results very clearly reveal that all treated plants were comparable and significantly taller than the untreated plants.

Panicle count per m2:
Results indicate that rice plants applied with CB-RSG alone (T7) or in combination with 1/3 (T4) or ½ (T6) or full of M-99 (T8) were comparable in producing panicles and significantly better than those applied only with 1/3 (T3) or ½ M-99 (T5). The panicles produced from M-99 recommendation of 90-30-30 were comparable to all plants that were applied with CB-RSG. The increase in count of 118.67 (T3 vs T4) was attributed to CB-RSG. Likewise, the significant increase of 88.34 panicles (t5 vs. T6) was also attributed to CB-RSG. However, the additional application of CB-RSG to M-99 did not produce any significant increase in panicle production (T2 vs. T8). All treated plants, however, produced significantly more panicles that the untreated plants. The fertilizing value of CB-RSG was consistently shown when T7 produced significantly more panicles that the control plants.

Fresh weight of panicles per m2 in gms:
Table 2 evidently shows that the pattern of significant differences among treatments in terms of panicle fresh weight were virtually the same as those indicated for panicle counts. The significant increases of 119.33 and 114.67 gms. In T3 vs T4 and T5 vs T6, respectively, were both attributed to CB-RSG. Alone or in combination with inorganic fertilizers, the panicle fresh weights are comparable with that of the M-99 (T2). All treated plants had more fresh panicle weight than the untreated plants, with the CB-RSG again manifesting its fertilizing value.

Straw weight per 4 m2, in kg:
This has virtually the same pattern as plant height at harvest. The treated plants were all statistically comparable and significantly heavier that the untreated plants.

Table 2.
Mean yield component at harvest
Dry Season - December, 1993 – April 1994.

TRT Treatment Plant height
in cm
Panicle count
m2
FW of panicle
per m2 in gms
Straw weight
at harvest/
m2 in kg
1 Control 83.66 b 194.66 C 343.33 c 2.55 b
2 M-99 (90-30-30) 91.00 a 421.33 a 716.33 a 6.92 a
3 1/3 M-99 91.66 a 309.33 b 598.00 b 5.87 a
4 1/3 M-99 + RSG 91.33 428.00 a 717.33 a 6.32 a
5 1/2 M-99 95.00 429.66 b 576.66 b 5.69 a
6 1/2 M-99 + RSG 95.00 a 418.00 a 691.33 a 6.90 a
7 RSG alone 90.33a 431.33 a 746.00 a 6.14 a
8 M-99 + RSG 93.33 a 424.33 a 680.66 a 7.23 a
  c.v. (%) 2.55 5.29 4.57 15.46

1/ All means followed by the same letter are not significantly different using DMRT.

 

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