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Factors Influencing Household Livelihood Diversification: The Case of Kebri Dahar District, Korahey Zone of Somali Region, Ethiopia 影响家庭生计多样化的因素——以埃塞俄比亚索马里地区Korahey地区Kebri Dahar区为例
Q3 Agricultural and Biological Sciences Pub Date : 2022-12-21 DOI: 10.1155/2022/7868248
Bishar Ahmed Yussuf, Abduselam Abdulahi Mohamed
In Ethiopia, livelihood diversification has become a major source of income for rural communities. This study was carried out in rural kebeles in the Kebri Dahar district, and it focuses on livelihood diversification strategies and the factors that affect livelihood diversification. The collected types of data were from primary and secondary sources based on a qualitative and quantitative basis. Multistage sampling techniques were employed in selecting the representative households of 119 respondents. Furthermore, multinomial logistic regressions were used to analyze and achieve the objective. Statistical Package for Social Sciences (SPSS) version 20 was used to analyze the collected data. The results revealed that 33.6%, 3.30%, 10.1%, and 52.9% of the respondents participated in the on-farm, off-farm, nonfarm, and combinations of livelihood activities, respectively. The descriptive statistics showed that 52.9% of the respondents diversified their livelihoods and 47.1% did not. The multinomial logistic regression shows that being male-headed as well as the increased age of HH head were found to be significant at a 1% significance level in three livelihood activities which positively and negatively influenced livelihood diversification. Livelihood diversification has a positive impact on security in the study area. Thus, it should be promoted not only by the government and nongovernmental organizations but also by individuals who are interested in livelihood diversification since it implies food security.
在埃塞俄比亚,生计多样化已成为农村社区的主要收入来源。本研究在Kebri Dahar地区的农村kebeles进行,重点研究生计多样化策略和影响生计多样化的因素。在定性和定量的基础上,收集的数据类型来自一手和二手来源。采用多阶段抽样方法,选取119个调查对象的代表性家庭。在此基础上,采用多项逻辑回归进行分析。使用SPSS (Statistical Package for Social Sciences)第20版对收集的数据进行分析。调查结果显示,33.6%、3.30%、10.1%和52.9%的受访者分别参与了农业、非农、非农和复合生计活动。描述性统计显示,52.9%的受访者生计多样化,47.1%的受访者没有。多项logistic回归分析显示,三种生计活动中,男性户主和HH户主年龄的增加在1%的显著水平上显著,对生计多样化有正向和负向影响。生计多样化对研究区域的安全具有正向影响。因此,它不仅应该由政府和非政府组织推动,而且还应该由对生计多样化感兴趣的个人推动,因为它意味着粮食安全。
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引用次数: 2
Evaluation of Early Maturity Group of Soybean (Glycine max L. Merr.) for Agronomic Performance and Estimates of Genetic Parameters in Sudanian Zone of Burkina Faso 布基纳法索苏丹地区早熟大豆(Glycine max L. Merr.)农艺性能评价及遗传参数估算
Q3 Agricultural and Biological Sciences Pub Date : 2022-12-19 DOI: 10.1155/2022/3370943
G. I. Thio, N. Ouédraogo, Inoussa Drabo, Frank Essem, F. B. Neya, F. W. Nikiema, Soumabéré Coulibaly, P. Sombié, Oumar Boro, Abdoul-Kawiyou Hassane, Abdoul-Aziz Ouédraogo, Hervé Bépio Bamaogo, M. Sawadogo, P. Sérémé
Soybean is one of the promising food crops and feeds which contributes significantly to the development of agriculture in Burkina Faso. However, very few improved soybean varieties have been developed in the country. The introduction of new genotypes with high agronomic potential and adapted to the climatic conditions of the Sudanian zone of Burkina Faso will boost soybean production in the region. Twenty-four (24) newly introduced soybean genotypes were evaluated for their agromorphological and adaptation characteristics in the Sudanian zone of Burkina Faso. The variability parameters such as genotypic and phenotypic coefficient of variation, broad sense heritability, and expected genetic advance were estimated for 14 agromorphological characters. The experimental design used in this study was an alpha lattice with 3 replications. Planting was done following a spacing of 50 cm (inter-row) × 5 cm (within row). Analysis of variance revealed significant difference ( P < 0.001 ; P < 0.05 ) for all characters studied except the nodule diameter, nodule score, and grain yield. The values of the phenotypic coefficient of variation (PCV) were higher than genotypic coefficient of variation (GCV) for all the characters indicating the influence of environmental factors. The highest GCV and PVC values were found in the number of nodules (70.07% and 77.26%), number of seeds per plant (41.34% and 44.18%), and number of pods per plant (29.27% and 33.50%), respectively. High estimates of heritability coupled with high genetic advance expressed as a percentage of mean were observed for 10 of the 14 traits, suggesting an important expected genetic gain allowing more success in selection.
大豆是一种很有前途的粮食作物和饲料,对布基纳法索的农业发展作出了重大贡献。然而,我国培育的大豆改良品种很少。引进具有高农艺潜力并适应布基纳法索苏丹地区气候条件的新基因型将提高该地区的大豆产量。在布基纳法索苏丹地区对24个新引进的大豆基因型进行了农业形态和适应性评价。对14个农艺性状的基因型变异系数、表型变异系数、广义遗传力和预期遗传进步等变异参数进行了估算。本研究采用的实验设计为3个重复的α晶格。种植间距为50 cm(行间)× 5 cm(行内)。方差分析显示差异有统计学意义(P < 0.001);除根瘤直径、根瘤评分和籽粒产量外,其他性状均P < 0.05)。表型变异系数(PCV)均高于基因变异系数(GCV),表明环境因素对各性状的影响。根瘤数(70.07%)、单株种子数(41.34%)、单株荚果数(44.18%)和荚果数(29.27%)的GCV和PVC值最高。在14个性状中,有10个性状具有较高的遗传率和较高的遗传进步(以平均百分比表示),这表明重要的预期遗传增益使选择更加成功。
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引用次数: 1
Quantifying Nectar Secretion Potential of Hygrophila auriculata (Schum.), Heine (Acanthaceae), and Salvia leucantha Cav. (Lamiaceae) for Honey Production 木耳水仙、棘科海茵和鼠尾草花蜜分泌电位的定量测定。(Lamiaceae)用于蜂蜜生产
Q3 Agricultural and Biological Sciences Pub Date : 2022-12-06 DOI: 10.1155/2022/8301903
Tura Bareke, A. Addi
The study was conducted to quantify the nectar secretion dynamics, and honey production capacity of Hygrophila auriculata and Salvia leucantha. One day before nectar collection, a group of flowers was enclosed with mesh bags to measure accumulated nectar volume. Moreover, nectar volume, concentration, temperature, and humidity were measured at intervals of 3 hours. The collected data was analysed using One-way ANOVA and linear regression. Nectar secretion dynamics of the two species were significantly varied (at p < 0.05 ) at different times of the day. The nectar volume that became available between the two consecutive measurements (three-h intervals) varied from 1.5 to 2.5 μl/flower, and 4.1 to 5.5 μl/flower for H. auriculata and S. leucantha, respectively. The temperature was positively correlated with the nectar concentration for both species. However, the temperature was negatively correlated with the nectar volume of H. auriculata whereas almost at equilibrium for S. leucantha. Humidity was negatively correlated with nectar concentration for both species whereas it is positively correlated with nectar volume for H. auriculata. However, the relationships between humidity and nectar volume were almost found at equilibrium for S. leucantha. Based on the mean amount of nectar sugar secreted by the plants, the mean honey production potentials of the species were estimated to be 29.88 kg and 60.2 kg/ha depending on the size of the plants for H. auriculata and S. leucantha, respectively. Therefore, propagation and in-situ conservation of these species are also recommended for sustainable honey production.
研究了水蜜罐(Hygrophila auriculata)和丹参(Salvia leucantha)的花蜜分泌动态和产蜜能力。采集花蜜前一天,用网袋将一组花包裹起来,测量积累的花蜜量。此外,每隔3小时测量花蜜的体积、浓度、温度和湿度。收集的数据采用单因素方差分析和线性回归分析。两种植物在一天中不同时间的花蜜分泌动态差异显著(p < 0.05)。在两次连续测量(间隔3 h)之间,可获得的花蜜量分别为1.5 ~ 2.5 μl/花,黑穗花和白穗花的花蜜量分别为4.1 ~ 5.5 μl/花。温度与花蜜浓度呈正相关。温度与蜜量呈显著负相关,与蜜量呈显著负相关。湿度与蜜浓度呈负相关,与蜜量呈正相关。湿度与花蜜量之间的关系基本处于平衡状态。根据植物分泌的平均花蜜糖量,估计该物种的平均产蜜潜力分别为29.88 kg/ha和60.2 kg/ha,具体取决于植物的大小。因此,这些物种的繁殖和就地保护也被建议用于可持续的蜂蜜生产。
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引用次数: 1
Study on Productive Performances, Constraints, and Opportunities of Improved Chicken under Village Production System in West Shewa Zone, Ethiopia 埃塞俄比亚西谢瓦地区乡村生产系统下改良鸡生产性能、制约因素和机遇研究
Q3 Agricultural and Biological Sciences Pub Date : 2022-12-05 DOI: 10.1155/2022/6354158
Amanuel A. Bekuma, Abdissa Tadesse
The study was conducted to determine productive performances, constraints, and opportunities of Bovans Brown (BB), Sasso, and crossbred chickens under village production system in Gindeberet district of West Shewa, Ethiopia. A total of 139 randomly selected smallholder chicken producers were involved in the study from six purposefully selected peasant associations (PAs) from the district. Information was gathered on average egg production/year, age at the first egg laying, constraints, and opportunities of improved chicken production during the study. The data collected were analyzed using Statistical Package for Social Science (SPSS) version 24, and Z-test was employed to test the difference among agro-ecologies on a certain variable. The mean annual eggs produced by BB (189.34 ± 0.99 eggs/hen/year) and by Sasso (180.82 ± 0.9 eggs/hen/year) were higher than those of crossbred chicken (111.26 ± 0.77 eggs/hen/year). Moreover, a significant difference ( p < 0.05 ) was observed for crossbred and exotic chickens' egg production performances between agro-ecological zones. The mean age at the first egg laying (182.28 ± 1.61 days) of crossbred chickens was higher than the mean age at the first egg laying (164.29 ± 0.41 days) of exotic chickens. Also, the mean age at the first egg laying of improved chicken breeds was statistically significant (p < 0.05) between agro-ecological zones. Prevalence of disease, inadequate veterinary services, predators, and shortage of balanced concentrate mixture feeds were among the constraints hindering improved chicken production in the study area. However, high demand of chicken and chicken products, participation of NGOs in dissemination of improved chicken, presence of government policy, and availability of manpower were the major potentials encouraging chicken production in the study area. Therefore, practical poultry production training and extension should get primary emphasis to combat the existing constraints. Therefore, good poultry management practices should be promoted to improve chicken productivity in the study area.
本研究旨在确定埃塞俄比亚西谢瓦金德贝雷特地区乡村生产体系下的博万布朗鸡(BB)、萨索鸡和杂交鸡的生产性能、制约因素和机会。共有139名随机选择的小规模养鸡户参与了这项研究,他们来自该地区六个有目的地选择的农民协会(PAs)。在研究期间,收集了平均产蛋量/年、首产蛋年龄、提高鸡产量的制约因素和机会等信息。采用SPSS第24版对收集到的数据进行分析,采用z检验检验各农业生态系统在某一变量上的差异。BB和萨索的年平均产蛋量分别为189.34±0.99个蛋/只/年和180.82±0.9个蛋/只/年,高于杂交鸡的111.26±0.77个蛋/只/年。不同农业生态区杂交鸡和外来鸡的产蛋性能差异显著(p < 0.05)。杂交鸡的平均初产蛋龄(182.28±1.61 d)高于外来鸡的平均初产蛋龄(164.29±0.41 d)。不同农业生态区间良种鸡的平均首蛋龄差异有统计学意义(p < 0.05)。疾病流行、兽医服务不足、捕食者和缺乏平衡的浓缩混合饲料是阻碍研究地区提高鸡产量的制约因素。然而,对鸡肉和鸡肉产品的高需求、非政府组织参与推广改良鸡肉、政府政策的存在以及人力的可用性是促进研究地区养鸡生产的主要潜力。因此,应首先重视实用家禽生产培训和推广,以克服现有的制约因素。因此,应推广良好的家禽管理规范,以提高研究区鸡的生产能力。
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引用次数: 1
Inclusive Technology Performance Evaluation in the Production of Teff (Eragrostis tef (Zucc.) Trotter) Teff生产中的包容性技术绩效评价(Eragrostis tef, Zucc.)Trotter)
Q3 Agricultural and Biological Sciences Pub Date : 2022-12-01 DOI: 10.1155/2022/9031999
Ademe Mihiretu, M. Asresu
Different management practices likely to enhance teff production are used in Ethiopia, however, evidence on their relative performance is little studied or unavailable. This on-farm experiment was conducted to assess the performance of different management practices for teff productivity, profitability, and acceptability in subtropical districts of North East Amhara. Four trial treatments (viz., IKIM, IBIM, LBIM, and LBFM) were laid out in an unreplicated simple block considering farmers as replication during the main cropping seasons of 2019 and 2020. Tukey’s (HSD) test following one-way ANOVA, partial budget analysis, and weighted matrix ranking were used to explain the significance level, profitability, and preference traits, respectively. Results presented a significant ( p  ≤ 0.01) treatment difference across districts in days to maturity, grain, and biomass yields. Among treatments, IKIM had short maturity days at Sekota (94), Dehana (105), and Lasta (95) districts. The grain yields were on average 1.75 ton ha−1, 1.45 ton ha−1, and 1.63 ton ha−1 at Sekota, Dehana, and Lasta districts, respectively. The lowest grain yields of 0.70 ton ha−1, 0.58 ton ha−1, and 0.63 ton ha−1 were recorded from LBFM. Despite the higher total variable costs, IKIM was gainful having 51400 ETB, 40579 ETB, and 46928 ETB net benefits at Sekota, Dehana, and Lasta districts, respectively. The MRR showed that a marginal profit of 13.77, 9.76, and 9.23 ETB was gained per each 1.00 ETB investment for shifting the practice (LBFM to IKIM). Therefore, we recommend IKIM as best management practice for consistent teff production in similar agroecological conditions.
埃塞俄比亚采用了可能提高苔麸生产的不同管理做法,但是,很少研究或没有关于其相对效果的证据。在阿姆哈拉东北部亚热带地区进行了田间试验,以评估不同管理措施对teff生产力、盈利能力和可接受性的影响。考虑到2019年和2020年主要种植季节的农民进行复制,在一个不可复制的简单块中布置了四种试验处理(即IKIM、IBIM、LBIM和LBFM)。采用单因素方差分析、部分预算分析和加权矩阵排序后的Tukey’s (HSD)检验分别解释显著性水平、盈利能力和偏好特征。结果表明,不同地区的处理在成熟期、籽粒和生物量产量方面存在显著差异(p≤0.01)。在治疗中,IKIM在Sekota(94)、Dehana(105)和Lasta(95)地区的成熟天数较短。Sekota、Dehana和Lasta地区的平均粮食产量分别为1.75吨、1.45吨和1.63吨。LBFM的最低产量分别为0.70、0.58和0.63 t ha - 1。尽管总可变成本较高,但IKIM在Sekota、Dehana和Lasta地区分别获得了51400 ETB、40579 ETB和46928 ETB净收益。MRR显示,每投资1.00个ETB,将获得13.77、9.76和9.23 ETB的边际利润,以转移实践(LBFM到IKIM)。因此,我们推荐IKIM作为在类似农业生态条件下持续生产苔草的最佳管理实践。
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引用次数: 1
Morphoagronomical and Nutritive Performance of Brachiaria Grasses Affected by Soil Type and Fertilizer Application Grown under Rainfed Condition in Ethiopia 埃塞俄比亚旱作条件下土壤类型和施肥对腕足草形态农艺和营养性能的影响
Q3 Agricultural and Biological Sciences Pub Date : 2022-12-01 DOI: 10.1155/2022/7373145
Beyadglign Hunegnaw, Y. Mekuriaw, B. Asmare, Shigdaf Mekuriaw
The objective of the field experiment was to evaluate the agronomic performance and nutritive values of brachiaria grass in response to cultivars, soil type, and fertilizer application. A randomized complete block design containing three replications with three factors (fertilizer, cultivars, and soil types) was used. The cultivars were Brachiaria mutica, Brachiaria hybrid Mulato-II, Brachiaria hybrid Mulato-I, Brachiaria birzantha Marandu, and Brachiaria birzantha La liberated. The root splits were means of propagation for all cultivars. The spacing between blocks and plots was 1 meter while between plants and rows was 0.5 meter. Agronomic performance such as plant height (PH), number of tillers (NT), number and length of leaves, forage dry matter (DM) yield, and nutritive values of the cultivars were measured and analyzed. Forage samples were taken at 90 days harvesting age. A general linear model of statistical analysis system (SAS) version 9.0 is used as a statistical method. The results revealed that all three factors interaction was highly significant ( p < 0.001 ) on all agronomic and nutritive values of Brachiaria grass cultivars. The agronomic performance and most of its nutritive values of brachiaria cultivars were higher ( p < 0.05 ) at black soil than in red soil; except for crude protein. The Brachiria mutica cultivar had a higher agronomic performance at both soil types than hybrid Mulato-II and hybrid Mulato-I. Based on the response recorded, it can be concluded that hybrid Mulato-II, B. mutica, and hybrid Mulato-I cultivars were performing better in the study areas. As a recommendation, farmers should consider cultivar, soil type, and presence of fertilizer in establishing brachiaria grass in the production system.
田间试验的目的是评价腕子草的农艺性能和营养价值对品种、土壤类型和施肥的响应。采用随机完全区组设计,包含3个重复,3个因素(肥料、品种和土壤类型)。这些品种分别是多臂腕子、杂交Mulato-II型、杂交Mulato-I型、Marandu型和La解放型。根裂是所有品种的繁殖手段。小区与小区间距为1米,植株与行间距为0.5米。测定并分析了各品种的株高(PH)、分蘖数(NT)、叶片数和长度、饲料干物质(DM)产量和营养价值等农艺性能。在收获期90日龄采集饲料样品。采用SAS 9.0版的通用线性模型作为统计方法。结果表明,3个因子交互作用对腕足草品种的所有农艺和营养价值均极显著(p < 0.001)。黑土上的腕鱼品种的农艺性能和大部分营养价值均高于红壤(p < 0.05);除了粗蛋白质。杂种Mulato-II和Mulato-I在两种土壤类型上的农艺性状均优于杂交Mulato-II和杂交Mulato-I。结果表明,杂交Mulato-II、杂交mutica和杂交Mulato-I品种在研究区内表现较好。作为建议,农民应考虑品种、土壤类型和肥料的存在,在生产系统中建立臂尾草。
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引用次数: 0
Agromorphological Diversity and Disease Assessment of Grain Amaranth in Lamjung, Nepal 尼泊尔Lamjung地区谷物苋菜的农业形态多样性及病害评价
Q3 Agricultural and Biological Sciences Pub Date : 2022-11-30 DOI: 10.1155/2022/8969390
P. Adhikari, L. Joshi, D. Ayer, K. R. Tiwari
Amaranth is a nutritious traditional food and vegetable crop with incomparable health benefits. However, very little research has been carried out to study diversity of amaranth in Nepal. An experiment was conducted in the research field of the Institute of Agriculture and Animal Science (IAAS) at Sundarbazar, Lamjung, Nepal, during 2021 growing season to assess twelve amaranth accessions based on agromorphological characters. Seed materials were collected from the Nepal Agriculture Genetic Resource Center (NAGRC), Khumaltar, and the experiment was conducted in alpha-lattice design with 3 replications. Early maturing accessions had inflorescence at 42.33 days while late maturing accessions were after 82 days. ANOVA test for quantitative traits revealed significant differences among the accessions for all traits studied except stem girth. Similarly, from frequency distribution of agromorphological characters, high variability was found in stem pigmentation, terminal inflorescence shape, inflorescence color, and seed color. Diversity indices (Shannon–Weaver diversity index and Simpson’s index of diversity) were also estimated in which inflorescence color, terminal inflorescence shape, seed color, stem pigmentation, leaf shape, branching index, and leaf pigmentation exhibited high variation confirming the presence of tremendous diversity in Amaranthus. Accessions NGRCO 6977, NGRCO 6969, and NGRCO 6871 had low disease incidence showing the potential of developing resistant varieties through précised breeding in the future. High yield attributing traits were possessed by accessions NGRCO 6977, CO 2435, NGRCO 6904, and CO 1239. Accession NGRCO 6977 was found superior among twelve accessions with highest grain yield and least disease occurrence which can further be evaluated in successive years as a promising variety in mid-hill region.
苋菜是一种营养丰富的传统食品和蔬菜作物,具有无与伦比的健康益处。然而,对尼泊尔苋菜多样性的研究很少。本试验于2021年生长季在尼泊尔拉姆戎(Lamjung) Sundarbazar农畜科学研究所(IAAS)进行,对12份苋菜材料进行了农业形态特征评价。种子材料采集自尼泊尔农业遗传资源中心(NAGRC),试验采用α格设计,3个重复。早熟品种在42.33 d开花,晚熟品种在82 d开花。数量性状的方差分析表明,除茎周长外,其他性状在各品种间均存在显著差异。同样,从农形态特征的频率分布来看,茎色素、顶生花序形状、花序颜色和种子颜色也存在较大的变异性。多样性指数(Shannon-Weaver多样性指数和Simpson多样性指数)显示,花序颜色、顶生花序形状、种子颜色、茎色素沉着、叶形状、分枝指数和叶色素沉着变化较大,证实了苋属植物的多样性。NGRCO 6977、NGRCO 6969和NGRCO 6871的发病率较低,表明今后通过改良育种培育抗病品种的潜力。NGRCO 6977、co2435、NGRCO 6904和co1239具有较高的产量性状。在12个品种中,NGRCO 6977的产量最高,病害发生率最低,可以连年评价为中山区有潜力的品种。
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引用次数: 1
Evaluation of Intrarow Spacing on Growth and Yield Performance of Four Onion (Allium cepa L.) Varieties in Beyeda District, North Gondar, Ethiopia 行距对四种葱(Allium cepa L.)生长及产量的影响品种在贝耶达区,北贡达尔,埃塞俄比亚
Q3 Agricultural and Biological Sciences Pub Date : 2022-11-28 DOI: 10.1155/2022/9408607
W. A. Wassie, Gashaw Fenta Assegahegn, Berhanu Tsegaye, A. Mekonnen
Onion (Allium cepa L.) is a vegetable crop that belongs to the genus Allium under the family Alliaceae produced widely throughout the world. Field experiments were undertaken to evaluate the different varieties and plant spacings on the growth and bulb yield performance of onion (Allium cepa L.) in Beyeda district, North Gondar, Ethiopia. Four different levels of spacing (6, 8, 10, and 12 cm) and four different types of varieties (Shallot, Nasik red, Robat, and Nafis) were arranged under randomized complete block design (RCBD) of factorial arrangement with three replications. The experiment was arranged in 4 × 4 factorial combinations, and the total area was divided into three blocks each of which comprised 16 treatment combinations and a total of 48 plots. The highest plant height (54.18 cm), leaf length (45.48 cm), and leaf diameter (1.47 cm) were recorded from the variety of Nasik red while the lowest plant height, leaf length, and leaf diameter were measured from shallot. The highest leaf number was observed from shallot (37.53) while the lowest leaf number was recorded from the Nafis variety. The longest bulb length (4.44 cm) and the widest bulb diameter (4.67 cm) were obtained from the Nafis variety while the shortest bulb length and narrowest bulb diameter were measured from shallot. Inversely, the highest bulb weight (54.50 g/plant), total biomass (94.75 g/plant), and unmarketable bulb yield (1.75 t/ha) were recorded from shallot while the lowest bulb weight, total biomass, and unmarketable bulb yield were recorded from the Robat variety. Intrarow spacing showed a significant effect on onion growth and bulb yield parameters, as the earliest (135 days) and the most delayed (146 days) maturity were recorded at 6 cm and at 12 cm spaces, respectively. The highest unmarketable bulb yield has been seen at 8 cm and the lowest at 12 cm space of the Nasik red variety. Similarly, the highest leaf number, leaf diameter, bulb diameter, bulb weight, total biomass, marketable, and total bulb yield were recorded at 12 cm space under the Nafis variety. Furthermore, under the shallot variety, the widest bulb diameter was recorded at 10 cm while the narrowest one was recorded at 6 cm space. Generally, based on the result of marketable bulb yield performance, Nafis variety at 12 cm and 8 cm spaces, Robat at 6 cm space, and Nafis red at 10 cm space, respectively, have effective performance for onion production. The interaction effects of intrarow spacing with different varieties did not have a significant effect on all of the growth parameters and yield components.
洋葱(Allium cepa L.)是世界上广泛生产的葱科葱属蔬菜作物。在埃塞俄比亚北部贡达尔贝耶达地区进行了不同品种和种植间距对洋葱生长和鳞茎产量的影响。4个不同间距(6、8、10和12 cm)和4个不同类型品种(大葱、纳西克红、罗巴特和Nafis)采用随机完全区组设计(RCBD), 3个重复。试验按4 × 4因子组合布置,总面积分为3个区,每个区包括16个处理组合,共48个样地。其最高株高(54.18 cm)、叶长(45.48 cm)和叶直径(1.47 cm)均为红品种,最低株高、叶长和叶直径均为小葱品种。其中,大葱叶片数最多(37.53),Nafis叶片数最少。Nafis品种的球茎长度最长(4.44 cm),球茎直径最宽(4.67 cm),大葱的球茎长度最短(4.44 cm),球茎直径最窄(4.67 cm)。相反,大葱的鳞茎质量(54.50 g/株)、总生物量(94.75 g/株)和滞销鳞茎产量(1.75 t/公顷)最高,而罗巴特品种的鳞茎质量、总生物量和滞销鳞茎产量最低。行距对洋葱生长和鳞茎产量参数有显著影响,在6 cm和12 cm处分别记录了最早(135天)和最晚(146天)的成熟。Nasik红品种的最高滞销球茎产量在8厘米处,最低在12厘米处。同样,Nafis品种的叶片数、叶片直径、鳞茎直径、鳞茎质量、总生物量、可售产量和鳞茎总产量在12 cm处也有最高记录。青葱品种鳞茎直径最宽为10 cm,最窄为6 cm。一般来说,根据商品鳞茎产量表现的结果,Nafis品种在12厘米和8厘米空间,Robat在6厘米空间,Nafis红在10厘米空间分别具有有效的洋葱生产性能。不同品种间行距的互作效应对所有生长参数和产量成分均无显著影响。
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引用次数: 0
Determinants of Garlic Producers Market Outlet Choices in Goncha Siso Enese District, Northwest Ethiopia: A Multivariate Probit Regression Analysis 埃塞俄比亚西北部Goncha Siso Enese地区大蒜生产者市场出口选择的决定因素:多元概率回归分析
Q3 Agricultural and Biological Sciences Pub Date : 2022-11-25 DOI: 10.1155/2022/6719106
F. Chekol, Teshager Mazengia
This study investigates the factors influencing garlic producers’ market outlet selection decisions in Goncha Siso Enese District, Ethiopia. A total of 359 garlic producer households were polled, and the results were analyzed using a multivariate probit (MVP) model. According to the MVP model results, extension contact, access to market information, quantity of garlic sold, and farm experience in farming were negatively and significantly associated with the choice of consumer outlet. Besides this, the estimated MVP for retailer outlet choice is positively influenced by the amount of quantity sold, and farm experiences in garlic have a significant and positive effect on the choice of retailer outlets. In contrast, education level, access to credit, extension contact, and land area allocated for garlic have a negative influence on the choice of retail outlet. Moreover, wholesaler outlet choice is significantly and positively influenced by education level, access to credit, amount of quantity sold, extension contact, and distance to market, whereas it is negatively influenced by lagged price. Assembler outlet is also positively influenced by sex, distance to market, access to market information, and quantity sold, and negatively affected by extension contact and lag price. The implication is that, if smallholder garlic producers have access to alternative market outlets, they must select an appropriate combination of market outlets to maximize their income in the long run. It is suggested that equal access to marketing infrastructure in potential production areas, the garlic production system, and rural-urban development infrastructure should be improved and made more accessible.
本研究调查了埃塞俄比亚Goncha Siso Enese地区大蒜生产者市场出口选择决策的影响因素。对359户大蒜生产农户进行问卷调查,采用多元概率(MVP)模型对调查结果进行分析。根据MVP模型的结果,推广联系、市场信息获取、大蒜销售量和农场种植经验与消费者出口的选择呈显著负相关。此外,对零售商销售点选择的估计MVP受到销售量的正影响,大蒜农场经验对零售商销售点选择有显著的正影响。相反,受教育程度、信贷可及性、推广联系、大蒜用地面积对零售网点的选择有负向影响。此外,批发商网点选择受教育程度、信贷可及性、销售数量、延伸联系和市场距离的显著正向影响,而滞后价格对批发商网点选择的负向影响。装配商出口受性别、市场距离、市场信息获取和销售数量的正向影响,受延伸联系和滞后价格的负向影响。这意味着,如果小农大蒜生产者有机会进入其他市场渠道,他们必须选择适当的市场渠道组合,以使他们的长期收入最大化。建议应改善潜在产区的销售基础设施、大蒜生产系统和城乡发展基础设施的平等准入,并使其更容易获得。
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引用次数: 1
Determining the Performance of Apis Mellifera Bandasii Populations under Different Agro-Ecologies of Central Ethiopia 埃塞俄比亚中部不同农业生态环境下蜜蜂种群表现的测定
Q3 Agricultural and Biological Sciences Pub Date : 2022-11-04 DOI: 10.1155/2022/2591154
Tadele Hunde, Z. Hora
Honeybee colonies exhibit a wide range of variations in their performance, depending on genetic and environmental factors. However, there has been little research carried out on Apis mellifera bandasii (A. m. bandasii) populations to characterize their behavioural performance. To gain insight into the details of the behavioural performance of this local honeybee, we characterized and compared the colony performance of honeybee populations at different altitudes. Fifty honeybee colonies per site, making a total of 150 colonies, were established at Bako (mid-highland), Gedo, and Holeta (highland). The colonies were evaluated for brood-rearing activities, resource collecting, brood solidity, swarming, defensive and hygienic behaviours, and honey yield parameters. The average brood areas were determined to be 6114.13 ± 500.36, 3298.30 ± 365.92, and 2521.23 ± 244.67 cm2 per colony; the average nectar areas were found to be 3399.46 ± 738.88, 1238.78 ± 228.96, and 1883.09 ± 232.57 cm2 per colony; the average number of queen cells was determined to be 0.62 ± 0.30, 1.20 ± 0.39, and 2.19 ± 0.49 per colony; the average percent of pin-killed broods removed was determined to be 93.78 ± 1.74, 96.42 ± 1.86, and 80.09 ± 7.86 per colony; the average percent of colonies absconded was determined to be 36, 54, and 46 per site at Holeta, Gedo, and Bako, respectively. The mean differences among the locations for brood areas, nectar areas, number of queen cells, percent of pin-killed broods removed, and percent of colonies absconded were significant ( p < 0.05 ), while the variations in the area of stored pollen, brood solidness, and honey yield were not significant. Significant variation within colonies of the same apiary of the same subspecies was observed. These results showed that A. m. bandasii at Holeta had the best performance and that Bako had the lowest performance. Therefore, the variability in colony performances indicates the possibility of improving strains of native stocks through selection and breeding strategies using the variations as an opportunity.
根据遗传和环境因素,蜂群表现出广泛的性能变化。然而,对大斑蜜蜂种群的行为特征研究却很少。为了深入了解这种当地蜜蜂的行为表现,我们对不同海拔地区的蜜蜂种群的群体表现进行了表征和比较。在Bako(中部高地)、Gedo和Holeta(高地)每个地点建立了50个蜂群,使总数达到150个蜂群。评估了这些蜂群的育卵活动、资源收集、巢固度、蜂群、防御和卫生行为以及蜂蜜产量参数。平均窝面积分别为6114.13±500.36、3298.30±365.92和2521.23±244.67 cm2 /窝;平均蜜面积分别为3399.46±738.88、1238.78±228.96和1883.09±232.57 cm2 /个菌落;平均后细胞数分别为0.62±0.30、1.20±0.39和2.19±0.49;针杀雏鸡的平均去除率分别为93.78±1.74、96.42±1.86和80.09±7.86;在Holeta、Gedo和Bako,每个站点的平均潜逃率分别为36、54和46。育雏区、花蜜区、蜂王细胞数、灭蜂率、潜逃菌落率的平均值差异显著(p < 0.05),而花粉储存面积、巢固度和产蜜量的平均值差异不显著(p < 0.05)。在同一亚种的同一蜂房的菌落内观察到显著的变异。这些结果表明,a.m。Holeta的bandasii表现最好,Bako表现最差。因此,群体表现的变异表明,利用这种变异作为机会,通过选择和育种策略来改进本地种群品系的可能性。
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引用次数: 0
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Advances in Agriculture
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