Abstract:
The experiment
was
conducted in the farm of Sher-e-Bangla Agriculthral University,
Dhaka, Bangladesh during the period from March to May 2007to study the effect of
inoculation and fertilization on the growth and yield of blaekgrain. The treatments of
the experiment were as T
1
: Control (No inoculation and fertilization), T
2: 20 kg N
hr'. T
3
: 40 kg P2O
hr'.
14
: 30 kg K20
hr.
T: 20 kg N hr - 40 kg P
20 5
hr',
T3
: 40 kg P
205 hr1
+ 30 kg K
2
0 hr', T,: 20 kg N hzr' 40 kg PO
5
ha 30 kg
K20 hr'.
T8
: RIn:ohium
inoculation.
19:
Tthi:ohium inoculation
-r
20 kg N hr'. T
Rhizobium
inoculation
40 kg P
2
O hr'. T
1
: Rhcobium
inoculation + 30 kg K
2 0
hr'. T,
2
: Rhzzohmnz
inoculation
-F
20 kg N
hr'
-F
40 kg P:Os hr'. T
1
: Rhi:ohirm;
inoculation - 40 kg P
205
ha + 30 kg K
2
0 hr'. T
14
: RIzi;ohiwn
inoculation ± 20 kg
N hr' 40 kg 1
12
0 hr - 30 kg K2
0 hr'. The single fhctor experiment was laid out
in Randomized Complete Block Design (RCBD) with three replications. Results
obtained from the experiment revealed that a package of Rhizobium inoculant along
with N, P
2
0 and K
2
0 at the rate of 20 kg hr
.
40 kg lia
-1 and
30 kg ha' respectivclv
improved the growth characters like plant height, leaves planr. dry weight plant.
nodules planr
1 . ('
pods planr'. pod
tcngth. seeds poth' and 1000 seed weight. Eventually the seed yield was maximized
OR. RGR and yield characters like flower planr
1 .
(1.48 t hr') and verified with higher value olharvest index (25.90 %). Seed yield was
47.83 % higher than that of control plot where as no Rhizobium inoculant and
fertilizer were given.
