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Yield and yield attributes of Sweet Pepper under different protective structures

Journal of Sylhet Agricultural University, 2019, Volume 6, Number 1 and 2; Pages: 33-39

A field experiment was conducted at the experimental field of Horticulture Department, Sylhet Agricultural University, Sylhet, Bangladesh to find out the suitability of protective structures for sweet pepper (var. BARI mistimorich-1) production during winter season of 2013-2014. Four protective structures viz., polytunnel, polytunnel + net, only net and open field (control) were evaluated for sweet pepper production during winter season under Sylhet condition. Different parameters like plant height, leaf plant-1, fruit diameter, number of fruit plant-1, fruit yield plant-1, individual fruit weight, fruit yield t ha-1 were significantly different among treatments. The highest number of fruits plant-1 was counted from the plants grown under only net structure (13.67) while other treatments were statistically similar. The heaviest individual fruit was observed from the plants of polytunnel + net at each of the harvesting date. Under polytunnel + net protection system had the highest individual fruit weight at 1st, 2nd, 3rd and 4th harvest were 117.00 g, 144.10 g, 148.10 g and 77.0 g, respectively which were closely followed by only net protection system. The sweet pepper from polytunnel + net had the highest fruit diameter (6.13 cm) among the all protective structures. The highest sweet pepper fruit yield (0.82 kg plant-1) from only net which followed by polytunnel + net (0.77 kg plant-1). Benefit cost ratio revealed that production of sweet pepper under protected condition was much profitable than that of open field condition.

Keywords: Production, sweet peppers, net protection, cost benefit ratio, winter season


Journal of Sylhet Agricultural University, 2018, Volume 5, Number 1; Pages: 15-18

Three types of tomato seedlings viz., polybag raised seedlings (polybag seedling), seedbed raised seedlings (normal seedling) and grafted seedlings (tomato grafted on wild brinjal) of BARI hybrid tomato-4 were evaluated under with and without hormone application system during the summer season of 2014 at the experimental field of Sylhet Agricultural University with view to assessing the influence of grafting and hormone application on tomato yield during summer. Seedling types had significant influence on fruit yield and plant mortality. Only 3.5% plants were infected with bacterial wilt when grown from grafted seedling while it was 18% and 20% when the plants raised from normal and polybag grown seedling, respectively. Thus the higher survivability of plants in the grafted plot ensured much higher fruit yield acre-1 (18 ton) than those of normal seedling (13.15 ton) and polybag grown seedling (12.80 ton). Application of paracholorophenoxy acetic acid had significant influence on higher tomato production. The plants applied with hormone produced 979.50 g of fruits plant-1 while it was only 724.48 g in untreated plant. However, the highest fruit yield plant-1 was recorded from the grafted tomato plants (1.06 kg) and normal seedling grown plant (1.08 kg) when treated with hormone while it was the lowest for normal types of seedling at without hormone application (0.59 kg plant-1). Results revealed that the high scope of improving tomato yield during summer using grafted seedling along with hormone application in Sylhet region.
Keywords: Production, grafted tomato seedlings and Sylhet region

Keywords: Production, grafted tomato seedlings and Sylhet region


Journal of Sylhet Agricultural University, 2017, Volume 4, Number 2; Pages: 289-296

The study was conducted to assess the effect of species ratio on growth and yield of major carp under polyculture system in perennial ponds for a period of 270 days in haor villages of Sunamganj district. The experiment was designated into three treatments (T1, T2 and T3) based on fish species ratio with three replications each. The fingerlings of Hypophthalmicthys molitrics, Gibelion catla, Labeo rohita, Cirrhinus cirrhosus and Cyprinus carpio were stocked at a ratio of 10, 20, 40, 10, 20; 10, 15, 50, 15, 10, and 20, 10, 30, 20 and 20% in T1, T2 and T3, respectively. Stocked fishes were fed with rice bran and wheat flour at a decreasing rate of 10‒5% of body weight twice daily. Significant (p<0.05) differences in growth and production among treatments were observed. The highest weight gain of H. molitrics (512.89 g), G. catla (432.60 g), L. rohita (439.99 g), C. cirrhosus (346.46 g) and C. carpio (379.60 g) observed in T2. Production of H. molitrics (802.52‒1,477.00 kg ha–1), G. catla (605.25‒1,295.07 kg ha–1), L. rohita (1,880.01‒ 3,731.64 kg ha–1), C. cirrhosus (543.03‒951.42 kg ha–1) and C. carpio (686.66‒ 1,226.38 kg ha–1) varied in different treatments might be due to species ratio. Significantly (p<0.05) higher combined production of carp was obtained in T2 (7,444.98 kg ha–1) followed by T1 (6,625.27 kg ha–1) and T3 (6,007.40 kg ha–1). The highest net profit (BDT 213,695.03 ha–1) was also obtained in T2 than that of T1 (BDT 172,782.89 ha–1) and T3 (BDT 150,440.78 ha–1). Result of the study reveals that polyculture of carp like H. molitrics, G. catla, L. rohita, C. cirrhosus and C. carpio with stocking ratio of 10, 15, 50, 15, 10% in T2 is significantly higher from the viewpoint of growth and production. Therefore, the stocking ratio of 10, 15, 50, 15 and 10% in carp polyculture might be prescribed at farmers’ level in order to boost up fish production, uplift the nutritional status as well as accelerate the economic benefit of the farmers.

Keywords: Species ratio, growth, production and perennial ponds


Journal of Sylhet Agricultural University, 2016, Volume 3, Number 2; Pages: 253-262

The study is an attempt to examine the economic analysis of cauliflower and cabbage production in selected areas of Sylhet district. A total of 45 farmers were randomly selected from three villages namely Dighirpar, Basantagaon and Paschimdarsa at Sylhet Sadar upazila in Sylhet district. The major findings of this study revealed that production of the selected homestead vegetables were profitable. Per acre gross cost of production of cauliflower and cabbage were Tk. 93860.55 and Tk. 92135.8, respectively and the corresponding gross returns were Tk. 229407.4 and Tk. 230800, respectively. Per acre net returns of producing cauliflower and cabbage were Tk. 135546.85 and Tk. 138664.2, respectively. Benefit cost ratios of cauliflower and cabbage production acre-1 were 2.44 and 2.50, respectively. The farmers earned the highest profit from cabbage production. The results of Cobb-Douglas production function model indicated that acre-1 gross returns were significantly influenced by the use of human labour, tillage operation, seeds, fertilizers, manure, irrigation and insecticides. These factors were directly or jointly responsible for influencing acre-1gross returns of cauliflower and cabbage. Some essential policy recommendations have been arisen which are: input and price support, and motivation and training programmes should be arranged by different government and non-government organizations and public-private partnership should be emphasized for creating scope to improve the overall economic condition of the farmers through homestead vegetable farming.

Keywords: Economics, cauliflower, cabbage, production, Sylhet


Journal of Sylhet Agricultural University, 2016, Volume 3, Number 2; Pages: 223-232

The research was conducted to study the effect of stocking density on growth a nd production of endangered Feather back Notopterus chitala fry in earthen ponds for a period of 75 days from 1 August to 15 September 2014. The average pond size was 0.002 ha with water depth 1 m. The fishes were stocked in the hatchery complex of University of Rajshahi with three treatments group each having three replicates. The average initial fish weight and length was 6.00±0.5g and 3.19±0.34 cm, respectively. Three stocking densities were maintained at 14820 fishes ha-1 (T1), 13585 fishes ha-1 (T2) and 12350 fishes ha-1(T3). Fishes were fed same diet with 27.5% protein in three different treatments consisting fish meal (25%), rice bran (20%), wheat bran (20%), maize bran (13%), mustard oil cake (25%) and vitamin premix (2%) at the rate of 8% body weight. The mean value of weight gain (g) was the highest (20.33±0.00) in T3 and lowest (15.32±0.009) in T1. Specific growth rate (SGR) was also the highest (1.64±0.001) in T3 and lowest (1.41±0.008) in T3. Significant difference was found for the mean values of weight gain and SGR. The survival rate of N. chitala was 82.33±1.20, 87.67±1.45, 94.50±1.50 in T1, T2, T3, respectively. The highest survival rate (94.50) was found in T3. The highest production (300.78±1.62 kg ha-1) was found in T3 followed by T2 and T1. Despite of this, consistently higher CBR (cost benefit ratio) was found in treatment T3 (1.8) than in treatments T2 (1.46) and T1 (1.2).

Keywords: Stocking density, endangered, Notopterus chitala, survival rate, production


Journal of Sylhet Agricultural University, 2015, Volume 2, Number 1; Pages: 137-141

The study was undertaken to assess the input use pattern, cost of production, economic profitability, and contribution of different factors of Panikachu production in Jessore dictrict of Bangladesh. The study area were purposively selected and a total of 60 panikachu growers taking 30 from each upazila. Total quantity of different input of human labor, seedling, manure, insecticide, irrigation and fertilizer were 910 man days/ha, 37895 no./ha, 10000 Tk ha-1, 13044 Tk ha-1, 25989 Tk ha-1 and 2974 Kg ha-1 respectively. Total cost of production of Panikachu was 358966 Tk ha-1 where 316537 Tk ha-1 was variable cost and fixed cost was 42429 Tk ha-1. Among the cost item labor cost was the high as 50.69% and fertilizer cost 17.43 % cost of production. The yield of rhizome and stolon were 50 ton and 35 ton ha-1. The average gross return was calculated as Tk 655000 ha-1. The net margin of Panikachu cultivation was 296034 Tk ha-1. On the average, benefit cost ratio was 1.82 on full cost basis and 2.07 on cash cost basis. All the co-efficient of human labor, seedling, urea and MoP were positive and significant impact on the yield of Panikachu production. The coefficient of determination was 0.57. Ninety five percent farmers mentioned that they faced insects and disease infestation at Panikachu cultivation.

Keywords: Economic, panikachu, production


Journal of Sylhet Agricultural University, 2014, Volume 1, Number 2; Pages: 265-271

Fish cage culture allows intensive production in waterbodies without conventional preparation for aquaculture.Considering the importance and prospects of cage culture in Bangladesh, the present experiment was undertaken to study the effect of stocking density on growth performances and production potential of tilapia (Oreochromisniloticus) under cage culture conditions and to develop a suitable method of tilapia cage culture in inland open water body like Old Brahmaputra River. Three stocking densities (100, 150 and 200 fish m-3) of 2.78 g mean initial individual body weight of fingerlings in three different treatments (T-100, T-150 and T-200) each with three replicates were used. The fishes were supplied with high protein (30%) commercial feed at 10% of body weight twice daily. Water quality parameters namely transparency, temperature, pH, dissolved oxygen, phosphate were found within the suitable limit for fish culture.The result of the present study showed that the fish in the treatment T-150 resulted the best individual weight gain (90.72g), average daily gains (0.67 g), percent weight gains (3263%), specific growth rates (1.13%day-1) and the net production rates (13608gm-3135 days-1)followed by treatments T-100 and T-200, respectively.The net yield and growth performances showed a significant difference with increasing stocking density (P<0.01). The most effective stocking density was150 fish m−3 cage for Nile tilapia considering growth performances and production potential. Therefore, it can be concluded the growth performance of Nile tilapia is density dependent.

Keywords: Cage culture, stocking density,growth performance, production, Oreochromisniloticus


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