104,897 research outputs found
EFFECT OF TRANSPLANTING DATE ON YIELD AND SEED QUALITY OF T. AMAN RICE VARIETIES
No full textA Thesis
submitted to the Institute of Seed Technology,
Sher-e-Bangla Agricultural University, Dhaka
in partial fulfilment of the requirements
for the degree of
MASTER OF SCIENCE (MS)
IN
SEED TECHNOLOGYA field experiment was conducted in the experimental field of Sher-e-Bangla
Agricultural University to find out the effect of transplanting date on yield and seed
quality of T. aman rice varieties. cultivated during aman season (July 2019 to
December 2019). The experiment comprised two factors viz, factor A: Variety – 3, i)
V
1
= BRRI dhan32, ii) BRRI dhan62 and iii) V
3
= BRRI dhan80; factor B: Date of
transplanting – 4, T
1
= 01 July; T
2
= 15 July; T
3
ii
= 30 July and T
4
= 15 August. The
experiment was laid out in Randomized Complete Block Design (RCBD) with three
replications. Data were collected on different aspects of growth, yield attributes, yield
and seed quality of T. aman rice. Results revealed that, BRRI dhan32 gave the highest
grain yield (5.01 t ha
-1
) and maximum seed germination percentage (87.06%). This
may be attributed to the maximum number of effective tillers hill
-1
(14.83), longest
panicle (28.64 cm), the highest number of filled grains panicle
- 1
(114.16), highest
1000-grain weight (23.84 g) and highest vigor index (2067.54) in this variety. Out of
4 dates of transplanting treatment, T
3
(Transplanting on 30 July) produced the highest
grain yield (5.23 t ha
-1
) and maximum seed germination percentage (90.95%). This
treatment also showed the maximum number of effective tillers hill
-1
(14.99), longest
panicle (28.35 cm), the maximum number of filled grains plant
-1
(119.59), highest
weight of 1000-seed (24.23 g) and highest vigor index (2232.91). Regarding the
interaction of variety and date of transplanting, the interaction of V
1
T
3
(BRRI dhan32
when transplanting on 30 July) was the highest yielder (5.82 tha
-1
) among the other
interactions which was attributed to higher 1000-seed weight. Besides this, the
interaction V
1
T
3
also gave maximum seed germination percentage (92.89%) and
highest vigor index (2377.98). Considering the above result, it may be concluded that
BRRI dhan32 transplanting on 30 July was found superior in producing the highest
yield and best quality seed production
PROBLEM CONFRONTATION OF THE FARMERS ON T-AMAN CULTIVATION IN THE SELECTED MONGA AFFECTED UPAZILA
No full textA Thesis
Submitted to the Faculty of Agriculture,
Sher-e-Bangla Agricultural University, Dhaka,
in Partial fulfillment of the requirements for the degree of
MASTER OF SCIENCE (MS)
IN
AGRICULTURAL EXTENSIONThe main focus of the present study was to determine the problem confrontation by the
farmers in T-aman cultivation and to explore the relationships between the problem
confrontation by the farmers and their selected characteristics. The study was conducted at
Rajabirat and Katabari of Gobindaganj Upazila under Gaibandha District. Data were
collected from 103 T-aman farmers who were proportionately randomly selected as the
sample of the study from an update list of 1029 T-aman farmers that was prepared with the
help of Sub-Assistant Agricultural Officers of the study area. The researcher himself
collected data through personal contact with a well structured pretested interview schedule
during the period from 01 to 30 October, 2012. The study revealed that highest proportion
(72.8 percent) of the respondents had medium problem in T-aman cultivation, while the
rest 27.2 percent of the respondents had high problem. Pearson's Product Moment
Correlation co-efficient (r) was computed to explore the relationships between the problem
confrontation by the farmers in T-aman cultivation and their nine selected characteristics.
The correlation analysis indicated that educational level, knowledge on T-aman
cultivation, extension media contact and innovativeness had significant negative
relationships with the problem confrontation by the farmers in T-aman cultivation. Age,
family size. experience in T-aman cultivation and T-aman cultivation area had nonsignificant
relationships with the problems confrontation in T-aman cultivation. A
Problem
Confrontation Index (PCI) for the 15 selected problems in T-aman cultivation
was
developed to measure the severity among the problems of which possible range was
"0"
to 300. The Problem Confrontation Index indicated that the farmers confrontation
highest
problem in "high cost of production" and lowest problem in '4
lack of knowledge
on rice seed production"
EXPLORATION OF PROBLEMS OF THE FARMERS IN T-AMAN CULTIVATION DUE TO FLOOD
No full textA Thesis
Submitted to the Faculty of Agriculture,
Sher-e-Bangla Agricultural University, Dhaka,
in Partial fulfillment of the requirements for the degree of
MASTER OF SCIENCE (MS)
IN
AGRICULTURAL EXTENSIONThe main focus of the present study was to determine the problems faced by the farmers in
T-aman cultivation due to flood and to explore the relationships between the problems
faced by the farmers and their selected characteristics. The study was conducted at
Patadaha and Gojaria villages as a flood affected area of Adarvita Union of Madargonj
Upazilla under Jamalpur District. Data were collected from 125 flood affected T-aman
farmers who were randomly selected as the sample of the study by using random sampling
method from an update list of 1254 T-aman farmers that was prepared with the help of
Sub-Assistant Agricultural Officers of the study area. The researcher himself collected
data through personal contact with a well structured pretested interview schedule during
the period from 08 to 31 March, 2011. The study revealed that highest proportion (63.2
percent) of the respondents had medium problem in T-aman cultivation due to flood, while
20.8 percent and 16 percent of the respondents had low and high problems respectively.
Pearson's Product Moment Correlation co-efficient (r) was computed to explore the
relationships between the problems faced by the farmers in T-aman cultivation due to
flood and their ten selected characteristics. The correlation analysis indicated that
educational level, extension media contact, training exposure. innovativencss, decision
making ability and farmers' knowledge on T-aman cultivation in flooding condition had
significant negative relationships with the problems laced by the farmers in T-aman
cultivation due to flood. Experience in T-aman cultivation, T-aman cultivation area,
annual expenditure and commercialization had non-significant relationships with the
problems in T-aman cultivation due to flood. A Problem Faced Index (FF1) for the 15
selected problems in T-aman cultivation due to flood was developed to measure the
severity among the problems of which possible range was "0" to 300. The Problem Faced
Index indicated that the farmers faced highest problem in "fully damaged field requires retransplantation".
This was followed by "poor yield in the flood affected fields" and "high
price of seeds and seedlings after flood". However, the less serious problems were
identified as "high price of labor, fertilizers and pesticides after the affect of flood".
"unavailability of labor after flood" and "shortage of fertilizers and pesticides in after
flood condition". Individually they were positioned in the rank order as
14th and 15
"
respectively
Letter, [Author unclear] to Paulina T. Merritt
No full textHandwritten letter to Paulina Merritt from an unknown author, October 1, 1876.
Response of T. Aman and Boro Rice to Residue Retention Under Strip Tillage
No full textAn on-farm research was conducted at Gouripur upazila under Mymensingh district of Bangladesh during aman and boro season in 2013-14 to evaluate the performance of unpuddled rice cultivation. The rice var. Hybrid Krishan2 in aman and BRRI dhan28 in boro season were transplanted by two tillage practices viz., conventional tillage (CT) and strip tillage (ST) and two levels of crop residue i.e, no residue (R0) and 50% residue (R50). The experiment was designed in a randomized complete block design with four replications. ST yielded higher grains in aman season (5.67 t ha-1) and also in boro season (4.70 t ha-1) which were 9 and 13% higher compared to CT. Higher grain yield in ST leading to 26% higher BCR in aman and 23% higher in boro compared to CT. Retention of 50% residue increased by 5% yield in aman and by 4% yield in boro compared to no residue which contributed to 9% higher BCR in both aman and boro. ST combine with 50% residue retention yielded the highest grain yield in both of aman (5.97 t ha-1) and boro season (4.81t ha-1) which attributed to obtain the highest BCR in aman (3.08) and boro (2.78)
ELECTION OF ORGANIC FERTILIZERS RESPONSIVE TRANSPLANTED AROMATIC AMAN RICE CULTIVARS
No full textA Thesis
Submitted to the Department of Soil Science
Sher-e-Bangla Agricultural University, Dhaka
in partial fulfilment of the requirements
for the degree of
MASTER OF SCIENCE (MS)
IN
SOIL SCIENCEA pot experiment was conducted during the period from June to December 2021 in Aman
season at Sher-e-Bangla Agricultural University, Dhaka to investigate the effect of the
different organic fertilizer on the growth and yield of transplanted aromatic aman rice
varieties.The experiment was laid out in Completely Random Design (CRD) with 2
factor and four replications. Factor A: Different rice varieties (7) viz: V
:
Chinigura, V
3
: Gobindobhog, V
4
: Kataribhog, V
5
: Tulshimala, V
6
1
: Kaloshila, V
: Kalijira, V
: BRRI
dhan34 and Factor B: Application of different organic manures (3) viz: T
: 150 g CD
pot
-1
, T
2
: 150 g VC pot
-1
and T
3
: 30 g MOC pot
-1
. For the purpose of evaluating the
experiment's outcomes, data on various parameters were evaluated. Experimental result
revealed that in comparison to other rice varieties, BRRI dhan34 (V
) rice variety
performed best in different organic fertilizer treatments and recorded the highest average
plant height (121.08 cm), effective tiller number hill
-1
7
(10.00), grain weight pot
(17.81
g) and straw weight pot
-1
(37.40 g) comparable to other varieties. Different organic
manure application influenced the growth and yield attributes of transplanted aromatic
aman rice varieties, and the highest average plant height (120.39 cm), effective tiller
number hill
-1
of rice (9.36), grain weight pot
-1
1
of rice (20.58 g) and straw weight pot
of
rice (44.92 g) were obtained in 150 g vermicompost treated pot (T
). In case of
combination, the highest average plant height (128.50 cm), effective tiller number hill
(14.25), grain weight pot
-1
(24.56 g) and straw weight pot
-1
of rice (54.60 g) were
observed in V
7
T
combination treatment. Therefore, cultivating BRRI dhan34 in
combination with the application of 150 g VC pot
2
-1
for rice production resulted in a
higher grain weight than the other organic treatments and was suitable for organic rice
production comparable to other treatment combination
Rescheduling of Wet Season (T. Aman) Rice Planting for Cropping Intensification in Coastal Bangladesh
No full textAbout 1.0 million ha coastal lands in Bangladesh are mono-cropped suffer from varying degree of soil salinity, waterlogging and climate vulnerability. Low yielding, traditional T. Aman rice is grown only in wet season. Growing non-rice crop after late harvested T. Aman rice is not profitable. This study was aimed to introduce high yielding, short duration T. Aman rice varieties for advancing its harvesting time and to make the avenue for timely establishment of dry season crops. Varietal trials were made at Dacope and Amtali under ACIAR funded project during 2016-2018 and compared with local cultivars. Among tested varieties BRRI dhan76 followed by BRRI dhan77 and BRRI dhan54 in Dacope and BRRI dhan77 followed by BRRI dhan76 and BRRI dhan54 in Amtali were preferred for 0.5–1.0 tha−1 yield advantage and 15–25 days earliness compared to traditional varieties. Early harvesting of T. Aman created the avenue of timely establishment of rice and non-rice crops depending on availability of fresh water and thus crop intensification and land productivity was improved. The new cropping system increased annual rice yield and farmers’ profits by 1.5- to 2-folds compared with traditional system without environmental degradation. This technique can be replicated in similar coastal zones of Bangladesh
Rescheduling of wet season (T. Aman) rice planting for cropping intensification in coastal Bangladesh
No full textAbout 1.0 million ha coastal lands in Bangladesh are mono-cropped suffer from varying degree of soil salinity, waterlogging and climate vulnerability. Low yielding, traditional T. Aman rice is grown only in wet season. Growing non-rice crop after late harvested T. Aman rice is not profitable. This study was aimed to introduce high yielding, short duration T. Aman rice varieties for advancing its harvesting time and to make the avenue for timely establishment of dry season crops. Varietal trials were made at Dacope and Amtali under ACIAR funded project during 2016-2018 and compared with local cultivars. Among tested varieties BRRI dhan76 followed by BRRI dhan77 and BRRI dhan54 in Dacope and BRRI dhan77 followed by BRRI dhan76 and BRRI dhan54 in Amtali were preferred for 0.5–1.0 tha−1 yield advantage and 15–25 days earliness compared to traditional varieties. Early harvesting of T. Aman created the avenue of timely establishment of rice and non-rice crops depending on availability of fresh water and thus crop intensification and land productivity was improved. The new cropping system increased annual rice yield and farmers’ profits by 1.5- to 2-folds compared with traditional system without environmental degradation. This technique can be replicated in similar coastal zones of Bangladesh
ADOPTION OF SELECTED TRANSPLANTED AMAN TECHNOLOGIES BY THE FARMERS
No full textJ. Sher-e-Bangla Agric. Univ., 2(1): 7-11, January 2008The main purpose of the study was to determine the extent of adoption of selected T. Aman
technologies and to explore its relationship with the selected characteristics of the farmers. The
study was conducted in two villages of Pingna union under Sarishabari upazilla of Jamalpur
district. Data were collected from randomly selected 130 T. Aman growers during 12'h August to
18'" October, 2006. Findings revealed that overwhelming majority (80 %) of the farmers were
found to have medium to high adoption while only 20 % farmers belonged to low adoption of
selected T. Aman technologies. Data also revealed that among eight selected characteristics,
education, farm size, annual family income, organizational participation and extension media
contact were found to have positive significant relationships with their adoption of selected T.
Aman technologies. Other variables namely age, commercialization and cosmopolitness had no
signiticant relationship with their adoption of selected T. Aman technologies
On-Farm Assessment of System Productivity of Wheat-Jute-T. Aman Rice Cropping Pattern in Sylhet Region
No full textThe study was conducted to determine the yield and economic performance of two cropping patterns viz. IP: improved pattern (Wheat - Jute - T. aman) + improved management practice and FP: farmers pattern (Fallow - T. aus - T. aman) + management practice. The experiment was laid out in a randomized complete block design with six dispersed replications at farmers field in Sylhet region during two consecutive years of 2013-14 and 2014-15. Two years means data showed that the pattern with improved management practices provided 31% higher yield of T. aman rice and also contributed more rice equivalent yield compared to farmers practice. Sustainable yield index, production efficiency, and land use efficiency were the maximum with Wheat-Jute- T. aman cropping system. Similarly, highest mean gross margin and benefit cost ratio were attained in improved pattern. It was concluded that farmers of Sylhet region might follow Wheat (var. BARI Gom-26) - Jute (var. CVL-1) - T. aman (var. Binadhan-7) cropping system in medium high land for higher productivity and profitability.Bangladesh Agron. J. 2016 19(2): 87-94</jats:p
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