Abstract:
The experiment was conducted in the farm area of Sher-e-Bangla Agricultural
University, Sher-e-Bangla Nagar, Dhaka during the period of July to November,
2017 for comparative study of USG (urea super granule) and NPK briquette on
the performance of aromatic rice variety BRRI dhan70. In this experiment BRRI
dhan70 aromatic rice were used as the test crop. The experiment comprised of
the treatments of T
0
PKSZn, T
3
: Control, T
1
: 100% RFD, T
2
: 80% RFD + 2 USG within 4 hills, T
4
ii
: 1 USG (1.8 g) within 4 hills +
: 1 NPK briquette within 4
hills, T
5
: 2 NPK briquette within 4 hills and T
6
: 80% RFD + 1 NPK briquette
within 4 hills. The experiment was laid out in Randomized Complete Block
Design (RCBD) with three replications. Data were recorded on different yield
contributing characters, yield and characteristics of post-harvest soil and
statistically significant variation was recorded for most of the studied characters.
The tallest plant (134.47 cm), maximum number of total tillers hill
(19.07),
maximum number of total grains panicle
-1
(145.20), the longest panicle
(28.75
cm), highest grain yield
(4.83 t ha
-1
) and highest straw yield
-1
(6.26 t ha
) was
recorded from T
6
treatment, while the shortest plant (106.17 cm), minimum
number of total tillers hill
-1
(15.00), the shortest panicle (22.88 cm), minimum
number of total grains panicle
-1
(120.47), lowest grain yield (2.88 t ha
) and
lowest straw yield (4.40 t ha
(0.064%), highest available P
-1
)was found in T
0
-1
-1
treatment. The highest total N
(32.23 ppm) and highest exchangeable K
(0.178
meq/100 g soil) was recorded in T
6
treatment, while the lowest total N (0.032%),
lowest available P (17.29 ppm) and lowest exchangeable K (0.081 meq/100 g
soil) was found in T
0
. Application of 80% RFD + 1 NPK briquette within 4 hills
was the package of nutrient for achieving higher yield of aromatic rice (variety
BRRI dhan70) at Tejgaon series soil of SAU farm.
