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Variation of production performance of Gulsha (Mystuscavasius) monoculture with variation of water and soil quality parameters 古沙单作生产性能随水土质量参数变化的变化
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2410
M.H. Rahman, M. Mahmud, M. Hossain, A. T. Mou, F. Sarker, U. O. Rahman
An on-farm experiment was carried out to evaluate the production performance of Gulsha ( Mystus cavasius ) for 120 days at different environmental conditions. Two areas were considered: one in Gazipur Sadar and another one in Narsingdi Sadar. Five ponds of almost similar size (30 decimal with an average water depth of 1.5 m) and water intensity were selected at each location with a stocking density of Gulsha 500 fry/decimal. Pre-stocking, stocking and post-stocking management had been similar in each place. The significantly lower (p<0.05) value of soil pH (5.5±4.1) in Gazipur location caused pond water acidic and imbalanced the water buffering system for maintaining primary productivity. After 120 days of rearing period, the average harvest weight of Gulsha 48.10 ±7.12 g was significantly (p<0.05) higher for Narsingdi compared to the average weight 23.18 ± 6.24 g in Gazipur. The survival rate (p<0.05) 68% at Narsingdi area was the highest. The estimated average production of fish in 120 days in the Gazipur and Narsingdi region was 7.55 ± 5.61 kg/dec and 16.31 ± 6.13 kg/dec, respectively , that differed substantialy (p<0.05) from one another. Ponds of Narsingdi district in general, showed almost all of its physico-chemical and biological features suitable for fish production. However, ponds in the Gazipur area were found less productive for the cultivation of Gulsha particularly with lower primary and secondary productivity.
采用田间试验研究了不同环境条件下古沙(Mystus cavasius) 120 d的生产性能。审议了两个地区:一个在加济布尔萨达尔,另一个在纳辛迪萨达尔。每个地点选择5个大小(30十进制,平均水深1.5 m)和水强度几乎相同的池塘,放养密度为Gulsha 500尾/十进制。每个地方的放养前、放养和放养后管理都是相似的。加济浦尔地区土壤pH值(5.5±4.1)显著降低(p<0.05),导致池塘水呈酸性,使维持初级生产力的水缓冲系统失衡。饲养120 d后,纳singdi的平均收获重为Gulsha的48.10±7.12 g,显著高于Gazipur的23.18±6.24 g (p<0.05)。成活率以Narsingdi地区68%最高(p<0.05)。Gazipur和Narsingdi地区120天平均鱼产量分别为7.55±5.61 kg/dec和16.31±6.13 kg/dec,差异显著(p<0.05)。Narsingdi地区的池塘总体上表现出几乎所有适合鱼类生产的理化和生物学特征。然而,Gazipur地区的池塘对Gulsha的种植生产力较低,特别是初级和次级生产力较低。
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引用次数: 2
Characteristics of buffalo traders and their business status at Bhola district in Bangladesh 孟加拉国Bhola地区水牛贸易商的特点及其商业状况
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2304
M. Habib, M. Sarkar, M. Sojib, M. Z. Islam, M. Alam, M. Rahman, M. A. Islam
The study was carried out to investigate the demographic characteristics of buffalo traders, current buffalo business status, and challenges of this business in the Bhola district of Bangladesh. Hence, a face-to-face interview with 16 buffalo traders (male, age above 25 years) was conducted using simple random sampling. Among the traders, 75% have completed primary education, 12.5% have passed higher secondary certificate (HSC), and the remaining 12.5% were illiterate. Approximately 75% of the traders sold female buffalo as surplus stock, and 56.25% traders indicated that both males and females had an excellent selling demand in the market. Roughly 81.25% of the buffalo traders thinks that they could not meet the consumer demand for buffalo; however, buffalo availability increased in 2021 compared to 2016-2020, as indicated by 87.5% of the buffalo traders. Generally, buffalo pricing was fixed by assuming the live weight only. Over the year, buffen costs at the local market ranged from 478 to 586 BDT per kg, with an average of 523 BDT. About 37.5% of the buffalo traders thought that minimizing buffen price volatility is a key challenge in the studied area, followed by transportation issues (12.5%) during buying or selling live buffalo. Data obtained in the present study could provide some background to develop a sustainable buffalo value chain in Bangladesh.
开展这项研究的目的是调查孟加拉国Bhola地区水牛贸易商的人口特征、当前水牛业务状况以及该业务面临的挑战。因此,采用简单随机抽样对16名水牛贸易商(男性,年龄在25岁以上)进行了面对面访谈。在贸易商中,75%完成了小学教育,12.5%通过了高等中学证书(HSC),剩下的12.5%是文盲。大约75%的交易商将雌性水牛作为剩余库存出售,56.25%的交易商表示雄性和雌性水牛在市场上都有良好的销售需求。大约81.25%的水牛贸易商认为他们无法满足消费者对水牛的需求;然而,87.5%的水牛贸易商表示,与2016-2020年相比,2021年的水牛供应量有所增加。一般来说,水牛的价格是通过假设活重来确定的。在过去一年中,当地市场上的牛肉价格在每公斤478至586比特币之间,平均价格为523比特币。约37.5%的水牛贸易商认为最小化水牛价格波动是研究地区的主要挑战,其次是买卖活水牛时的运输问题(12.5%)。本研究获得的数据可以为在孟加拉国发展可持续的水牛价值链提供一些背景。
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引用次数: 1
Effects of zinc on growth and yield of rice cv. BRRI dhan29 under alternate wetting and drying water management practice 锌对水稻生长和产量的影响。BRRI dhan29采用干湿交替水管理实践
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2305
S. Farzana, A. Sarkar, M. Hosenuzzaman, M. Galib, M. Hoque
Rice, Zinc, Alternate wetting and drying, Continuous flooding Insufficient zinc (Zn) and water are key concerns in agricultural production, resulting in lower yields and nutritional qualities. The goal of the study was to figure out how water management and Zn application rates affect the growth and yield of rice. The experiment was carried out in a split-plot design with three replications. The treatments consisted of two factors, a) water management, like 1) Continuous flooding (CF) and 2) Alternate wetting and drying (AWD) system and b) Zn application like 1) Control (0% Zn), 2) 75% Zn, 3) 100% Zn, 4) 125% Zn, and 5) 150% Zn of the recommended dose. All the plots received an equal amount of NPKS fertilizers. The application of Zn in both AWD and CF systems had a significant effect on a number of grains panicle -1 , 1000 grain weight and grain yield. The highest value for both yield contributing traits and yield was obtained by the application of 150% Zn in the AWD system. However, the lowest value was found in the control treatment of the CF system for both the yield components and yield. It is also evident that the growth rate of yield components and yield was increased with increased doses of Zn in both AWD and CF systems. In Bangladesh, farmers involved in rice cultivation may be benefited following the treatment of 150% Zn and AWD irrigation systems.
水稻、锌、干湿交替、连续淹水锌和水不足是农业生产中的关键问题,会导致产量下降和营养品质下降。这项研究的目的是弄清楚水分管理和锌的施用量如何影响水稻的生长和产量。试验采用裂区设计,重复3次。处理包括两个因素,a)水管理,如1)连续驱水(CF)和2)干湿交替(AWD)系统;b)锌施用,如1)控制(0% Zn), 2) 75% Zn, 3) 100% Zn, 4) 125% Zn和5)推荐剂量的150% Zn。所有地块都得到了等量的NPKS肥料。锌在AWD和CF体系中的施用对籽粒数、穗数、千粒重和产量均有显著影响。在AWD体系中施用150% Zn时,产量贡献性状和产量均达到最高。然而,在CF系统的控制处理中,产量成分和产量都是最低的。在AWD和CF体系中,产量组分的生长速率和产量均随Zn剂量的增加而增加。在孟加拉国,参与水稻种植的农民可能会受益于150%锌和AWD灌溉系统的处理。
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引用次数: 2
Integrated Use of Remote Sensing and Climate Parameters to Explore Boro Rice (Oryza sativa L.) Cultivation Area and Driver of Expansion in Tangail Sadar Upazila 综合利用遥感和气候参数对水稻品种进行探索坦吉尔-萨达尔-乌巴齐拉种植面积及其扩大动因
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2403
M. Siddiquee, M. Miah, H. Abdullah, G. K. M. M. Rahman, M Mofizul Islam, M. T. Tanzir
identification of for are crucial for efficient crop management and decision-making in agriculture. Remote Sensing techniques are now being used to estimate crop area and production monitoring globally, including developing countries. In Bangladesh, rice area estimation has traditionally been done through location-based field visits or eye-estimation, which is tedious and time-consuming. The present study uses Remote Sensing (RS) and climate parameters to explore the cultivation area and driver of boro area expansion in Tangail Sadar Upazila. Multi-spectral Landsat imageries were obtained from 1999 to 2020 at the maximum growth stages of boro rice. Upazila's boundary was clipped over the images using a shape file created from Bangladesh map. The images were analyzed with QGIS, ArcGIS, and R software through the Random Forest (RF) supervised classification. Standardized Precipitation Evapotranspiration Index (SPEI) was calculated using monthly total rainfall; minimum and maximum temperature to observe drought impacts. The findings revealed that the boro rice cultivation gradually increased from 8104 ha (in 1999) to 12781 ha (in 2020). In 2009-20, the expansion rate (3.10 percent) of boro rice areas was much lower (11.49 percent) than in 1999-2009. It was due to relatively stable boro cultivation in the recent decade. The Overall accuracy was 93-96 percent with the kappa coefficient of 0.90-0.93. The study showed that there was a good relationship between satellite and traditionally estimated boro rice area. The expansion of boro rice areas has been driven mainly by the positive impacts of climate change. Long-term hydrological drought and a shorter wet spell have introduced boro rice cultivation to the lowlands and river basin areas. According to the benefit cost ration (BCR), growing mustard and boro rice in the same season was more profitable than growing any sole crop. The study revealed that remote sensing was effective for exploring boro rice cultivation area and driver of expansion.
病害的识别对于有效的作物管理和农业决策至关重要。遥感技术现在被用于估计全球作物面积和监测生产,包括发展中国家。在孟加拉国,水稻面积估算传统上是通过基于位置的实地考察或目测来完成的,这既繁琐又耗时。利用遥感技术和气候参数,探讨了坦盖尔萨达尔乌帕齐拉地区的种植面积及其扩大的驱动因素。利用1999 ~ 2020年水稻最大生育期的多光谱Landsat图像进行了研究。Upazila的边界是用孟加拉国地图创建的形状文件在图像上剪切的。采用QGIS、ArcGIS和R软件进行随机森林(Random Forest, RF)监督分类。标准化降水蒸散发指数(SPEI)采用月总降雨量计算;观察干旱影响的最低和最高温度。结果表明,水稻种植面积从1999年的8104 ha逐渐增加到2020年的12781 ha。2009- 2020年,水稻种植面积扩大率(3.10%)远低于1999-2009年(11.49%)。这是由于近十年来种植相对稳定。总体准确率为93 ~ 96%,kappa系数为0.90 ~ 0.93。研究表明,卫星数据与传统估算的水稻面积之间存在良好的关系。水稻种植面积的扩大主要受到气候变化的积极影响。长期的水文干旱和较短的湿润期将水稻种植引入了低地和流域地区。根据效益成本比(BCR),在同一季节种植芥菜和米米比单独种植任何一种作物都更有利可图。研究表明,遥感技术对水稻种植面积和扩展动力的探索是有效的。
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引用次数: 0
Effects of varieties and organic post harvest treatments on shelf life and quality of cherry tomato 品种和有机采后处理对樱桃番茄保质期和品质的影响
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2303
A. Estiaque, M. H. Rashid, M. Rabbani
The present experiment was carried out at the Laboratory of the Department of Horticulture, Bangladesh Agricultural University, Mymensingh during the period from February to April 2020 to study the effects of varieties and organic postharvest treatments on shelf life and quality of cherry tomato. The two-factor experiment consisted of two varieties viz. Binatomato 10 and BARI Tomato 11, and five organic postharvest treatments viz. control, chitosan coating (0.2%), garlic extract (1:1), hot water (50 ° C for 5 mins) + chitosan coating (0.2%) and hot water (50 ° C for 5 mins) + garlic extract (1:1). The experiment was carried out in a completely randomized design with 3 replications. The maximum weight loss (8.93%) was recorded in BARI Tomato 11 treated with garlic extract, while the minimum (5.93%) was found in Binatomato 10 treated with hot water + chitosan coating. The maximum TSS (8.67%) was recorded from BARI tomato 11 treated with control and the minimum TSS (6.13%) was found in Binatomato 10 treated with hot water + chitosan coating. The highest disease incidence (12.67%) and severity (21.67%), and shortest shelf life were recorded in BARI Tomato 11 fruits treated with control, whereas the lowest disease incidence (3.67%) and severity (3.57%), and longest shelf life (31.00 days) were found in Binatomato 10 fruits treated with hot water + chitosan coating. Therefore, Binatomato 10 treated with hot water + chitosan coating was found to be better in respect of extension of shelf life and quality retention of cherry tomato.
本试验于2020年2月至4月在孟加拉国农业大学园艺系实验室进行,旨在研究品种和有机采后处理对圣女果保质期和品质的影响。采用双因素试验,采用对照、壳聚糖包衣(0.2%)、大蒜提取物(1:1)、热水(50°C浸泡5 min) +壳聚糖包衣(0.2%)、热水(50°C浸泡5 min) +大蒜提取物(1:1)5种有机采后处理。试验采用完全随机设计,每组3个重复。大蒜提取物处理的BARI番茄11的失重率最高(8.93%),热水+壳聚糖包覆处理的Binatomato 10的失重率最低(5.93%)。对照处理BARI番茄11的TSS最高(8.67%),热水+壳聚糖包衣处理Binatomato 10的TSS最低(6.13%)。对照处理的BARI Tomato 11果实发病率最高(12.67%)、严重程度(21.67%)、货架期最短;热水+壳聚糖包衣处理的Binatomato 10果实发病率最低(3.67%)、严重程度(3.57%)、货架期最长(31.00 d)。因此,经热水+壳聚糖包衣处理的Binatomato 10在延长圣女果保质期和保质方面效果较好。
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引用次数: 1
Effects of nitrogenous fertilizers on rice yield under continuous flooding and alternate wetting and drying conditions 连续淹水和干湿交替条件下氮肥对水稻产量的影响
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2306
S. Farzana, J. Dey, M. Hosenuzzaman, M. Hossain, M. Galib, M. A. Hoque
Alternate wetting and drying, Continuous flooding, Urea super granule, Prilled urea In rice cultivation, water and nitrogen saving strategies are becoming more crucial in order to identify efficient and useful crop production and management approaches. A study was conducted at the Soil Science Field Laboratory of Bangladesh Agricultural University, Mymensingh to examine the combined effects of irrigation method and nitrogen fertilizer on yield contributing traits and yield of rice cv. BRRI dhan29. The experiment was set up in a split-plot based on a randomized complete block design with 3 replications and 14 treatment combinations. Two irrigation methods such as continuous flooding (CF) and alternate wetting and drying (AWD) were the main factor while nitrogen fertilizers including prilled urea (PU) and urea super granule (USG) were the sub-factor. The treatment T6 (USG at 7 DAT) generated the highest plant height (cm), no. of effective tillers hill -1 , panicle length (cm), no. of grains panicle -1 , grain yield and biological yield during AWD condition. In terms of grain yield, the treatment combinations AWD + T6 and CF + T7 were statistically equal. In comparison to control, all AWD + USG and CF + PU treatment combinations increased straw yield and harvest index. Under both AWD and CF conditions, USG increased more grain and straw yields compared to PU. So, farmers may be advised to apply USG (216 kg ha -1 ) at 7 DAT under AWD conditions in order to improve rice yield and ensure food security.
干湿交替、连续淹水、尿素超粒、颗粒尿素在水稻栽培中,为了找到高效和有用的作物生产和管理方法,节水和氮肥策略变得越来越重要。孟加拉国农业大学Mymensingh土壤科学野外实验室进行了一项研究,研究了灌溉方式和氮肥对水稻产量贡献性状和产量的综合影响。BRRI dhan29十分。试验采用完全随机区组设计,设3个重复,14个处理组合。连续淹水(CF)和干湿交替灌溉(AWD)两种灌溉方式是主要影响因素,氮肥(PU)和尿素超颗粒(USG)是次要影响因素。处理T6 (7 DAT时USG)株高最高(cm);有效分蘖山-1,穗长(厘米),无。籽粒穗数-1、籽粒产量和生物产量。在籽粒产量方面,AWD + T6和CF + T7处理组合在统计学上是相等的。与对照相比,AWD + USG和CF + PU处理组合均提高了秸秆产量和收获指数。在AWD和CF条件下,USG比PU提高了更多的谷物和秸秆产量。因此,建议农民在旱作条件下每天7天施用USG(216公斤公顷-1),以提高水稻产量,确保粮食安全。
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引用次数: 0
Impact of near infrared (NIR) spectroscopy and hyperspectral (HS) imaging system to predict physicochemical composition and quality attributes of meat: A review 近红外(NIR)光谱和高光谱(HS)成像系统对肉类理化成分和品质属性预测的影响综述
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2310
M. Uddin, M. Hossain, N. Z. Shoshe, S. A. Toma, S. A. Belal, M. Akanda, M. A. Zaman, F. Hossain, B. Maburutse
1 Department of Livestock Production and Management, Sylhet Agricultural University, Sylhet-3100, Bangladesh 2 Department of Poultry Science, Sylhet Agricultural University, Sylhet-3100, Bangladesh 3 Department of Pharmacology and Toxicology, Sylhet Agricultural University, Sylhet-3100, Bangladesh 4 Department of Dairy Science, Sylhet Agricultural University, Sylhet-3100, Bangladesh 5 Department of Animal Production Sciences and Health, Marondera University of Agricultural Sciences and Technology, Zimbabwe
1锡尔赫特农业大学畜牧生产与管理系,孟加拉国锡尔赫特-3100 2锡尔赫特农业大学家禽科学系,孟加拉国锡尔赫特-3100 3锡尔赫特农业大学药理学与毒理学系,孟加拉国锡尔赫特-3100 4锡尔赫特农业大学乳业科学系,孟加拉国锡尔赫特-3100 5动物生产科学与卫生系,孟加拉国锡尔赫特-3100津巴布韦马龙德拉农业科技大学
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引用次数: 1
Comparative Profitability of Conventional and Chemical Free Pineapple Production in Madhupur Upazila of Tangail District 坦盖尔地区Madhupur Upazila传统菠萝生产和无化学品菠萝生产的比较盈利能力
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2309
N. Nishat, J. Islam, M. A. Mou
The purpose of this study was to determine the relative profitability of non-adopters and adopters, as well as the factors influencing the adoption of chemical-free pineapple production technology at Madhupur Upazila Tangail district. Data were collected by interviewing 50 randomly selected pineapple producers of Haludiya, Baniabari and Aushnara villages of Madhupur Upazila in Tangail during July to September 2019. For comparing the profitability of chemical-free and conventional pineapple farming, two groups of pineapple growers were chosen: non-adopters and adopters. Farmers were chosen from two groups using a purposive sampling strategy.Collected data were analyzed with undiscounted BCR and logistic regression analysis. Per acre total cost were estimated Tk. 16,5477 and Tk.16,4285.66, respectively for non-adopters and adopters of chemical free pineapple production. The per acre gross returns of pineapple were determined in this study at Tk. 31,7995.2 for non-adopters and Tk. 40,2986 for adopters of
本研究的目的是确定非采用者和采用者的相对盈利能力,以及影响Madhupur Upazila Tangail地区采用无化学物质菠萝生产技术的因素。研究人员在2019年7月至9月期间,随机选择了来自坦吉尔Madhupur Upazila的Haludiya、Baniabari和Aushnara村的50名菠萝生产者进行访谈,收集数据。为了比较无化学品和传统菠萝种植的盈利能力,选择了两组菠萝种植者:不采用和采用。采用有目的的抽样策略从两组中选择农民。对收集的资料进行未贴现BCR和logistic回归分析。未采用和采用无化学剂菠萝生产的每英亩总成本分别为16.5477泰铢和16.4285.66泰铢。本研究确定了菠萝的每英亩总收益,未收养的为31.7995.2塔卡,收养的为40.2986塔卡
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引用次数: 0
Consumption rate of two different pollen substitute diets and their effects on honey bee (Apis melliferaL.) during the scarcity food time of the year 两种花粉替代日粮的食用量及其对一年中食物短缺时期蜜蜂的影响
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2301
A. Moustafa, R. Sayed, M. Rahman, M. Mahbob
they recorded (14.85 inch2) for the fermented and (11.81 inch2) for the unfermented, but only (9.81 inch2) in the case of the control. Colonies also showed increase in the mean of bee population in cells fed on the fermented diet (5904.54 bee) followed by the unfermented diet (3649.27 bee); comparing with the control treatment that showed the lowest number (2291.98 bee). The purposes being to evolve a perfect substitute diet that can improve the bee health. We can say as an achievement, fermentation by bee bread-derived microorganisms can made the artificial diet better for honey bee colony.
他们记录了发酵菌(14.85英寸2)和未发酵菌(11.81英寸2),但对照组只有(9.81英寸2)。蜂群中,饲喂发酵饲料(5904.54只)后饲喂未发酵饲料(3649.27只)的蜂群平均数量也有所增加;与对照处理相比,其数量最少(2291.98只)。目的是进化出一种完美的替代饮食,可以改善蜜蜂的健康。我们可以说,利用蜂面包来源的微生物发酵可以使人工饲料对蜂群更好。
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引用次数: 0
Socio economic status of beef fattened farmers of Kauniaupazila at Rangpur district of Bangladesh 孟加拉Rangpur地区Kauniaupazila养牛农民的社会经济地位
Pub Date : 2021-01-01 DOI: 10.47440/jafe.2021.2307
M. M. Hasan, S. Rahman, M. Hashem, M. Azad, M. Haque, M. Rahman
of household land middle-aged and old family the majority of the marginal fattening fattening and
农户土地中老年家庭以边际育肥为主
{"title":"Socio economic status of beef fattened farmers of Kauniaupazila at Rangpur district of Bangladesh","authors":"M. M. Hasan, S. Rahman, M. Hashem, M. Azad, M. Haque, M. Rahman","doi":"10.47440/jafe.2021.2307","DOIUrl":"https://doi.org/10.47440/jafe.2021.2307","url":null,"abstract":"of household land middle-aged and old family the majority of the marginal fattening fattening and","PeriodicalId":14096,"journal":{"name":"International journal of food, agriculture and environment","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86959360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
期刊
International journal of food, agriculture and environment
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