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Cost-Effective Forage and Browse Legume Feed for Dairy Production: An Optimisation Approach Using Jaya Optimisation Algorithm 具有成本效益的饲料和浏览豆类饲料乳制品生产:使用Jaya优化算法的优化方法
Q2 AGRONOMY Pub Date : 2022-07-18 DOI: 10.1155/2022/5838723
Godfrey Chagwiza
Livestock feed mix or feed choice decision-making is encountered by farmers in their daily operations. Livestock feed choice and mixing is emerging as a key research area considering the impact of climate change and emergence of new technology. Smallholder dairy farmers are usually capital constrained and hence a need to investigate cost-effective feed choice that maximises profit. A study to investigate the cost-effective feed among forage and browse legumes was conducted among smallholder dairy farmers in Zimbabwe. An optimisation problem was formulated with the objective of maximising profit by selecting the most cost-effective feed among forage and browse legumes. Secondary data are used to solve the optimisation problem by implementing the Jaya optimisation algorithm. Results show that grain crop silage is the best feed choice resulting in a maximum profit of $ 66.00 per day per farmer. Further research can be directed towards investigating the effect of combining the next best feed, quality hay, and grain crop silage for profit contribution.
畜禽饲料混合或饲料选择决策是养殖户在日常经营中遇到的问题。考虑到气候变化的影响和新技术的出现,牲畜饲料的选择和混合正成为一个重要的研究领域。小农奶农通常受到资金限制,因此需要研究具有成本效益的饲料选择,以实现利润最大化。在津巴布韦的小奶农中进行了一项研究,以调查饲料和浏览豆类之间的成本效益饲料。通过在牧草和浏览豆类中选择最具成本效益的饲料,制定了一个优化问题,以实现利润最大化。辅助数据通过实现Jaya优化算法来解决优化问题。结果表明,粮食作物青贮饲料是最佳饲料选择,每个农民每天的最大利润为66.00美元。进一步的研究可以针对调查下一个最好的饲料,优质干草和粮食作物青贮饲料组合对利润贡献的影响。
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引用次数: 1
Economics of Bulk Storage Techniques: Maize and Cowpea Storage in Ghana 大宗储存技术的经济学:加纳的玉米和豇豆储存
Q2 AGRONOMY Pub Date : 2022-07-16 DOI: 10.1155/2022/8953918
J. K. Bidzakin, Osei Yeboah, I. Sugri, A. Graves, D. Awunyo-Vitor
High postharvest loss is one of the major challenges faced by farmers in many African countries in their efforts to achieve food and nutrition security. Several postharvest techniques have been developed and introduced to farmers aimed at reducing food losses. This study evaluated the economic viability of four such grain storage techniques using capital budgeting techniques. Two grain protectants were applied at recommended rates in three treatment combinations to jute sacks, PICS sacks, polytanks, and poly sacks at different treatment levels and at different discount rates. Under maize storage, the net present value of all treatments yielded positive net returns. The polytank technique proved to be the most economically viable storage technique, followed by PICS and then jute sacks. Under cowpea storage, polytank proved to be the most viable, followed by PICS. This is consistent under replacement chain method and equivalent annual annuity under the three different discount rates used. Cowpea is best stored in polytanks and PICS sacks. Polytank is recommended as the most economically viable storage technique for both maize and cowpea storage. PICS is also recommend for both maize and cowpea storage. However, jute sacks and poly sacks are not suitable for cowpea storage even under chemical treatment, especially under long-term storage (over 6 months). The choice of storage technique should consider the commodity under consideration.
高采后损失是许多非洲国家农民在努力实现粮食和营养安全时面临的主要挑战之一。已经开发并向农民介绍了几种旨在减少粮食损失的采后技术。本研究利用资本预算技术评估了四种粮食储存技术的经济可行性。在不同的处理水平和不同的贴现率下,以三种处理组合的推荐剂量将两种谷物保护剂施用于黄麻袋、PICS袋、聚脂罐和聚脂袋。在玉米贮藏条件下,所有处理的净现值均产生正净收益。聚罐技术被证明是最经济可行的储存技术,其次是PICS,然后是黄麻袋。在豇豆贮藏条件下,聚罐是最可行的,其次是PICS。这在三种不同贴现率下的替代链法和等值年年金下是一致的。豇豆最好储存在聚罐和PICS袋中。聚罐储存技术被认为是玉米和豇豆最经济可行的储存技术。玉米和豇豆的储存也建议采用PICS。然而,黄麻袋和聚麻袋即使经过化学处理,也不适合豇豆的储存,特别是长期储存(超过6个月)。储存技术的选择应考虑所考虑的商品。
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引用次数: 1
How Arabidopsis Receptor-Like Kinase 7 (RLK7) Manifests: Delineating Its Structure and Function 拟南芥受体样激酶7 (RLK7)如何表现:描述其结构和功能
Q2 AGRONOMY Pub Date : 2022-07-14 DOI: 10.1155/2022/4715110
Ramen Chowdhury, M. Mubassir
Like animals, plants customarily utilize cell surface-localized receptors to keep track of environmental stimuli, specifically by plasma membrane-associated receptor-like kinases (RLKs). In comparison to other organisms, plants own a variety of RLKs, which insinuates that ligand-receptor-facilitated molecular mechanisms regulate an array of processes during plant development. Here, we take up Arabidopsis receptor-like kinase 7 (RLK7), which shares the archetypal structure of transmembrane receptor kinases accompanied by a receptor-like ectodomain comprising of leucine-rich repeats (LRRs) along with a functional intracellular kinase domain. Interestingly, this distinctive receptor-like kinase not only orchestrates crucial steps during plant development, including the regulation of seed longevity, dormancy, and seed germination speed, but also plays a role in oxidative stress tolerance, salt stress tolerance, and pattern-triggered immunity. This review deciphers the sequence and structure and evaluates existing knowledge of the function and expression pattern of RLK7.
与动物一样,植物通常利用细胞表面定位的受体来跟踪环境刺激,特别是通过质膜相关受体样激酶(RLKs)。与其他生物相比,植物拥有多种RLKs,这暗示着配体受体促进的分子机制调节了植物发育过程中的一系列过程。在这里,我们以拟南芥受体样激酶7 (RLK7)为例,它具有跨膜受体激酶的原型结构,伴随着一个由富含亮氨酸重复序列(lrr)组成的受体样外结构域以及一个功能性的细胞内激酶结构域。有趣的是,这种独特的受体样激酶不仅在植物发育过程中协调关键步骤,包括调节种子寿命、休眠和种子萌发速度,而且在氧化应激耐受性、盐胁迫耐受性和模式触发免疫中发挥作用。本文对RLK7的序列和结构进行了解读,并对现有的RLK7的功能和表达模式进行了评价。
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引用次数: 3
Determinants of Adoption of Improved Dairy Technologies: The Case of Offa Woreda, Wolaita Zone, Southern Ethiopia 采用改良乳制品技术的决定因素:以埃塞俄比亚南部Wolaita地区的Offa wooreda为例
Q2 AGRONOMY Pub Date : 2022-07-14 DOI: 10.1155/2022/3947794
Zekarias Zemarku, M. Senapathy, Elias Bojago
One of the agricultural activities of rural farmers is dairy farming. Furthermore, by providing income, it has the potential to make farm households rich. The objective of this study was to analyze the general factors that influence adoption decisions, as well as the status of adoption of dairy technology in the Offa district, Wolaita zone, southern Ethiopia. The study area has fundamental factors influencing the adoption of dairy technologies which were unknown. This research was started to fill a knowledge gap for responsible bodies. Four kebeles were selected randomly for the study. 150 sample households (63 adopters and 87 nonadopters) were chosen using the SRS (systematic random sampling) method. The interview schedule was used to collect primary data from these households. Secondary data were gathered from a variety of sources, including reports, research findings, documents, and publications. Both quantitative and qualitative data were analyzed by using descriptive and econometric analyzes by SPSS version 21. Focus group discussions and key informant interviews were also used to collect qualitative data. A binary logistic regression model was used to examine the factors that influence the adoption of dairy technologies. The results of the binary logistic regression model revealed that both dairy technology participants and nonparticipant households experienced a combination of personal, demographic, economic, and institutional factors that hindered adoption. Respondent age, access to credit services, size of household landholding, frequency of the extension contact, involvement of outside income, livestock ownership, and distance from the nearest market were all significant negative contributing factors. On the other hand, farm income and dairy farming experience were positively significant variables in the model. Technical assistance to improve farm productivity and income, experience sharing and field visit programs to the fields of early experienced dairy farmers, improvement of farmland usage, improvement of road infrastructure in the study area, provision of appropriate and modernized training and extension services, and so on are among the recommendations.
农民的农业活动之一是奶牛养殖。此外,通过提供收入,它有可能使农户富裕起来。本研究的目的是分析影响采用决策的一般因素,以及在埃塞俄比亚南部Wolaita地区的Offa地区采用乳制品技术的现状。研究区域具有影响乳制品技术采用的基本因素,但这些因素尚不清楚。这项研究的开始是为了填补责任机构的知识空白。随机选择了四个kebeles进行研究。采用系统随机抽样(SRS)方法选取150个样本家庭(63个收养家庭和87个未收养家庭)。使用访谈时间表收集这些家庭的原始数据。次要数据是从各种来源收集的,包括报告、研究成果、文件和出版物。定量和定性数据均采用SPSS版本21的描述性和计量经济学分析。焦点小组讨论和关键信息提供者访谈也用于收集定性数据。采用二元逻辑回归模型来检验影响乳制品技术采用的因素。二元logistic回归模型的结果显示,乳制品技术参与者和非参与者家庭都经历了阻碍采用的个人、人口、经济和制度因素的组合。受访者的年龄、获得信贷服务的机会、家庭土地拥有量、扩展联系的频率、外部收入的参与、牲畜拥有量以及与最近市场的距离都是显著的负面影响因素。另一方面,农场收入和奶牛养殖经验是模型中显著的变量。建议包括提高农场生产力和收入的技术援助、经验分享和对早期有经验的奶农进行实地考察、改善农田利用、改善研究地区的道路基础设施、提供适当的现代化培训和推广服务等。
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引用次数: 3
Analyzing Potato Market Participation, Market Surplus, and Market Outlet Choice on Small Farm Household Level in Lemo District, Southern Ethiopia 埃塞俄比亚南部莱莫地区小农户马铃薯市场参与、市场剩余和市场出口选择分析
Q2 AGRONOMY Pub Date : 2022-07-12 DOI: 10.1155/2022/7199929
Chaimiso Demisse, M. Melese, Mebratu Alemu, Afework Berhanu, Tamrat Sinore
This study was aimed to analyze potato market participation, market surplus, and market outlet choice in Lemo District of southern Ethiopia. To achieve the objective, primary and secondary data sources were employed and 202 potato producers were selected following simple random sampling techniques. The collected data were analyzed by using Heckman second-stage and multivariate probit models to identify factors that determine potato market participation decision and potato farmer market outlet choice, respectively. The Heckman’s first-stage (probit) result indicates that education level, sex, membership in the cooperative, distance to the nearest market, remittent from family members, own transportation facilities, seed types, frequency of extension contact, lagged market price, and amount of credit that farm household used for potato production significantly ( P < ) determined producers’ participation in potato market. Heckman second-stage (OLS) result showed that education level, cooperative membership, family size, total cropland size, oxen owned, types of seed, and lagged market price were significantly ( P < ) determined potato marketed surplus. Multivariate probit results showed the probability to choose wholesalers ( P < ), retailers ( P < ), collectors ( P < ), and consumers ( P < ) market outlets who were significantly affected by age, educational levels, sex, farm experiences, distance to near market, family size, remittance, land size, product supplied to the market, own transport facility, and extension service. Therefore, we recommend that the government and concerned stakeholders should focus on promoting improved potato seed, encouraging education, promoting farmers’ cooperatives, empowering females, strengthening rural-urban infrastructure, and protecting informal labor trading.
本研究旨在分析埃塞俄比亚南部莱莫地区的马铃薯市场参与、市场剩余和市场出口选择。为了实现这一目标,采用一、二级数据来源,采用简单随机抽样技术,选取202个马铃薯生产企业。采用Heckman第二阶段模型和多元probit模型对收集到的数据进行分析,分别找出影响马铃薯市场参与决策和马铃薯农贸市场出口选择的因素。Heckman第一阶段(probit)结果表明,受教育程度、性别、合作社成员、到最近市场的距离、家庭成员的汇款、自己的运输设施、种子类型、推广联系频率、滞后市场价格和农户用于马铃薯生产的信贷金额显著(P <)决定了生产者对马铃薯市场的参与。Heckman第二阶段(OLS)结果表明,受教育程度、合作社成员、家庭规模、总耕地规模、拥有牛数、种子种类和滞后市场价格显著(P <)决定了马铃薯的市场剩余。多变量probit结果显示,选择批发商(P <)、零售商(P <)、收集者(P <)和消费者(P <)市场网点的概率受年龄、受教育程度、性别、农场经验、到附近市场的距离、家庭规模、汇款、土地面积、市场供应产品、自身运输设施和推广服务的显著影响。因此,我们建议政府和相关利益相关者将重点放在推广改良马铃薯种子、鼓励教育、促进农民合作社、赋予妇女权力、加强城乡基础设施和保护非正规劳动力贸易上。
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引用次数: 0
Pesticidal Evaluation of Entomopathogenic Fungi and Selected Medicinal Plants against Cabbage Aphid (Brevicoryne brassicae L.) 昆虫病原真菌及部分药用植物对甘蓝蚜虫的杀虫效果评价
Q2 AGRONOMY Pub Date : 2022-07-01 DOI: 10.1155/2022/7334151
Gebreegziabher Gebreyohans, Nafyad Ibrahim Batu, J. Sasikumar
Pesticidal agents such as entomopathogenic fungi and medicinal plant extracts can be used as a component of integrated pest management. Biocontrol agents such as fungal isolates can be used as a component of integrated pest management. An evaluation of plant extracts from Azadirachta indica and Justicia schimperiana and two strains of entomopathogenic fungi were carried out on Ethiopian rape (Brassica carinata) against two stages (adult and nymph) of cabbage insect pests (aphids) in the laboratory and greenhouse condition. The efficacies of different treatments were examined, and results were recorded for plant extracts and entomopathogenic fungi on cabbage aphids. A significant difference was observed in the mortality of aphid insect pests recorded at different intervals of days. The adult aphid was reduced gradually from 8.65/plant to 2.77/plant after six days of spraying with A. indica indicating the highest efficacy. Moreover, the adult aphids after spraying of entomopathogenic fungi (BEI1) reduced from 11.2/plant to 6.5/plant after six days of spraying at 1 × 108 conidia/mL, showing the highest efficacy. The present results suggest the possibility of using a combination of entomopathogenic fungi and plant extracts to manage Brevicoryne brassicae (aphids). It revealed that a given combination displayed considerable efficacy to reduce B. brassicae (aphids) infestation. From the result, the adult aphids sprayed with A. indica + BEI1 reduced from 7.01/plant to 1.74/plant after six days of spraying with the highest efficacy. Generally, maximum percent of mortality was identified in plant extract treatment next to coapplication against adult aphids on sixth day of application. Similarly, conidial suspension of entomopathogenic fungi was found to have high activities for adult aphids. Therefore, based on the present result, products of fungal isolates and plant extracts should be used for further tests against other insect pests.
杀虫剂如昆虫病原真菌和药用植物提取物可作为综合虫害管理的组成部分。生物防治剂如真菌分离物可作为综合虫害管理的一个组成部分。在室内和温室条件下,研究了印楝(Azadirachta indica)和刺柳(Justicia schimperiana)植物提取物和两株昆虫病原真菌对埃塞俄比亚油菜(Brassica carinata)两期(成虫和若虫)白菜害虫(蚜虫)的防治效果。考察了不同处理对白菜蚜虫的防治效果,并记录了植物提取物和昆虫病原真菌对白菜蚜虫的防治效果。不同天数记录的蚜虫死亡率有显著差异。喷施6 d后,成虫数量由8.65只/株逐渐减少到2.77只/株,效果最好。在1 × 108分生孢子/mL喷施6 d后,BEI1的成虫数量由11.2只/株降至6.5只/株,效果最佳。本研究结果表明,利用昆虫病原真菌和植物提取物的组合来治理芸苔蚜是可能的。结果表明,给定的组合对减少芸苔蚜(蚜虫)的侵害有相当大的效果。结果表明,喷施6 d后,籼稻+ BEI1成虫数量由7.01只/株降至1.74只/株,效果最佳。一般情况下,在施用第6天,植物提取物处理对成虫的死亡率最高,其次是共施。同样,昆虫病原真菌的分生孢子悬浮液对成年蚜虫也有很高的活性。因此,在目前研究结果的基础上,真菌分离物和植物提取物的产物应用于进一步的害虫防治试验。
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引用次数: 0
Determinants of Small-Scale Irrigation Use for Poverty Reduction: The Case of Offa Woreda, Wolaita Zone, Southern Ethiopia 小规模灌溉用于减贫的决定因素:以埃塞俄比亚南部Wolaita地区的Offa worreda为例
Q2 AGRONOMY Pub Date : 2022-06-29 DOI: 10.1155/2022/4049868
Zekarias Zemarku, Mulumels Abrham, Elias Bojago, Tsegeye Bojago Dado
Small-scale irrigation is one of the agricultural activities used by rural farmers to improve the overall livelihood of the rural community by increasing income, securing food, meeting social requirements, and reducing poverty. The main objective of this study was to look into the factors that influence small-scale irrigation for poverty reduction among small-holder farmers in the Offa Woreda, Wolaita Zone. Government and nongovernmental organizations supplied small-scale irrigation and training to small-holder farmers in the study area at various times; however, the key determinants impacting small-scale irrigation use were not fully identified in the study area. The study location was chosen for this study purpose because no prior in-depth research had been conducted. Simple random sampling was used to select the three kebeles for the study. A total of 134 people were included in the study sample frame. The sample was chosen using simple random sampling and the proportional probability-to-size (pps) method, which was proportional to the size and used multistage sampling procedure. The primary data were collected using the interview schedule. Both quantitative and qualitative data were analyzed using descriptive and econometric analyzes in SPSS version 21. Qualitative data were also collected through focus groups and key informant interviews. A factor that influences small-scale irrigation use was investigated using a binary logistic regression model. The binary logistic regression model revealed that both the irrigation participants (37.3%) and the nonparticipant (62.7%) families had a combination of personal and demographic, economic, institutional, and social influencing factors that hinder their likelihood of using irrigation. HH age, annual income of the household, distance from the closest farm sight, farm experience, participation in training, access to irrigation, and sex of HH were positively and significantly influencing factors in the model, while total ownership of livestock of households and health status of households were negatively significant variables. As a result, the Agricultural and Natural Resources Development Office, as well as the Water Mining and Energy Offices, should devote scientific attention to the significant factors that influence irrigation use to boost farm family production and productivity.
小规模灌溉是农村农民通过增加收入、保障粮食、满足社会需求和减少贫困来改善农村社区整体生计的农业活动之一。本研究的主要目的是探讨影响Wolaita地区Offa wooreda小农减少贫困的小规模灌溉的因素。政府和非政府组织在不同时期向研究地区的小农提供小规模灌溉和培训;然而,影响小规模灌溉利用的关键决定因素在研究地区尚未完全确定。之所以选择这个研究地点,是因为之前没有进行过深入的研究。采用简单随机抽样的方法选择三种kebeles进行研究。共有134人被纳入研究样本框架。样本选择采用简单随机抽样和比例概率-大小(pps)法,该方法与样本大小成正比,采用多阶段抽样程序。使用访谈时间表收集原始数据。定量和定性数据分析使用描述性和计量经济学分析SPSS版本21。定性数据也通过焦点小组和关键线人访谈收集。采用二元logistic回归模型研究了影响小规模灌溉利用的因素。二元logistic回归模型显示,参与灌溉的家庭(37.3%)和未参与灌溉的家庭(62.7%)都存在个人和人口、经济、制度和社会等因素的综合影响,阻碍了他们使用灌溉的可能性。HH年龄、家庭年收入、距离最近农场视野的距离、农场经验、参加培训、获得灌溉和HH性别是模型中的正向显著影响因素,而家庭牲畜总拥有量和家庭健康状况是模型中的负向显著变量。因此,农业和自然资源开发办公室以及水、采矿和能源办公室应科学地关注影响灌溉利用的重要因素,以促进农业家庭生产和生产力。
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引用次数: 6
Photoperiod Sensitivity and Variability of Agromorphological Traits and Brix Content of Sweet Sorghum Cultivated in Burkina Faso under Two Sowing Dates 两个播期下布基纳法索甜高粱农态性状和糖度的光周期敏感性和变异
Q2 AGRONOMY Pub Date : 2022-06-29 DOI: 10.1155/2022/9504150
N. Sawadogo, J. Tiendrébéogo, G. Naoura, T. Bere, W. H. Tondé, B. Sawadogo, P. Bationo-Kando
Sweet sorghum is mainly cultivated for the sweetness of its stems and the quality of its fodder. Unfortunately, its cultivation is gradually being abandoned in Burkina Faso due to climatic hazards. In a general context of strong variations in the rainfall regime, it is, therefore, important to determine the effect of the sowing period on the expression of agromorphological traits and Brix content. Thus, 29 sweet sorghum accessions were evaluated using 15 quantitative variables in a three-replicate Fisher block design with two sowing dates spaced 25 days apart. The results of the study showed that only stalk length (pr. = 0.519) and internode length (pr. = 0.367) were not significantly influenced by sowing date. Indeed, delayed sowing resulted in an increase in the number of vegetative (+2.44) and useful (+1.3) tillers, as well as Brix (+1.16%). However, a reduction in leaf area (−4.35 cm × 1.43 cm), plant height (−85.69 cm), panicle length (−2.63 cm), and panicle weight (−6.19 g), as well as a reduction in the sowing-to-flowering cycle from 3 to 21 days, was obtained at the second sowing date. Thus, all accessions are sensitive to photoperiod with photoperiodic coefficients varying from 0.19 (GB02) to 0.93 (BSA5). These results could be exploited in the sweet sorghum improvement program.
种植甜高粱主要是为了其茎的甜味和饲料的质量。不幸的是,由于气候的危害,它的种植在布基纳法索逐渐被放弃。因此,在降雨制度强烈变化的一般背景下,确定播种期对农业形态性状和糖度含量表达的影响是很重要的。因此,在3重复Fisher块设计中,使用15个定量变量对29份甜高粱材料进行了评估,两个播种日期间隔25天。结果表明,播期对小麦茎秆长度(pr = 0.519)和节间长度(pr = 0.367)无显著影响。事实上,延迟播种导致营养分蘖(+2.44)和有用分蘖(+1.3)的数量增加,以及Brix(+1.16%)。然而,在第二次播期,叶面积(- 4.35 cm × 1.43 cm)、株高(- 85.69 cm)、穗长(- 2.63 cm)和穗重(- 6.19 g)减少,并且播种到开花周期从3天缩短到21天。因此,所有材料对光周期都很敏感,光周期系数在0.19 (GB02) ~ 0.93 (BSA5)之间变化。这些结果可用于甜高粱的改良。
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引用次数: 1
Determinants of Modern Agricultural Technology Adoption for Teff Production: The Case of Minjar Shenkora Woreda, North Shewa Zone, Amhara Region, Ethiopia Teff生产采用现代农业技术的决定因素:以埃塞俄比亚阿姆哈拉地区北谢瓦区Minjar Shenkora wooreda为例
Q2 AGRONOMY Pub Date : 2022-06-26 DOI: 10.1155/2022/2384345
Abebaw Hailu Fikire, Girma Mulugeta Emeru
Agriculture is one of Ethiopia’s economic cornerstones, although its production remains low. Since then, the implementation of modern agricultural technologies has remained a promising strategy in Ethiopia for increasing agricultural production, achieving food security, and reducing poverty. The objective of the study is to examine the determinants of modern agricultural technology adoption for teff production in Minjar Shenkora woreda. The data were collected from the representatives of 362 rural households. This study employed both descriptive statistics and multinomial logit model. The estimations of the multinomial logit model revealed that sex, age, marital status, tropical livestock units, educational level of household head, distance to market, extension contact, active household members, access to credit, off-farm activities participation, and cultivated land size are the determinants of modern agricultural technology adoption for teff production in Minjar Shenkora woreda, North Shewa Zone, Amhara Region, Ethiopia. Therefore, this study recommended that the country’s federal and regional governments, agricultural development offices, nongovernmental organizations, and donor agencies should collaborate with farm households to improve access to information, access to credit, encourage off-farm participation and provide training and consulting services to increase the adoption of modern agricultural technologies.
农业是埃塞俄比亚的经济基石之一,尽管其产量仍然很低。从那时起,在埃塞俄比亚实施现代农业技术一直是提高农业生产、实现粮食安全和减少贫困的一项有前途的战略。本研究的目的是考察现代农业技术在Minjar Shenkora wororeda的苔草生产中采用的决定因素。数据来自362个农村家庭的代表。本研究采用描述性统计和多项逻辑模型相结合的方法。多重logit模型的估计表明,性别、年龄、婚姻状况、热带牲畜单位、户主受教育程度、与市场的距离、推广联系、活跃的家庭成员、获得信贷的机会、非农活动的参与和耕地面积是埃塞俄比亚Amhara地区北Shewa地区Minjar Shenkora worda地区采用现代农业技术生产teff的决定因素。因此,本研究建议该国的联邦和地区政府、农业发展办公室、非政府组织和捐助机构应与农户合作,改善获取信息和信贷的渠道,鼓励非农参与,并提供培训和咨询服务,以增加对现代农业技术的采用。
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引用次数: 3
Soil and Water Conservation Nexus Agricultural Productivity in Ethiopia 埃塞俄比亚水土保持Nexus农业生产力
Q2 AGRONOMY Pub Date : 2022-06-24 DOI: 10.1155/2022/8611733
Wudu Abiye
Soil and water conservation practices contribute to long-term agricultural sustainability and sustainable agriculture. This review examines the primary agronomic practices and their role in soil and water conservation. The review revealed that Ethiopia's significant agronomic soil and water conservation practices are strip cropping, mixed cropping, intercropping, fallowing, mulching, contour plowing, crop rotation, preservation of tillage, and agroforestry. A significant difference was found between conserved and nonconserved land in terms of soil chemical and physical properties, soil organic matter, total N, available phosphorous (P), bulk density, infiltration rate, and soil texture. The non-conserved land had lower soil organic matter, total N, and infiltration rate with higher bulk density, clay content, and available P. Soil organic matter content positively correlated with infiltration rate and total N, and it negatively correlated with soil bulk density. Cation exchange capacity (CEC) positively correlated with soil pH and available P. The undulating lands were moderately suitable for rain fed agriculture. The plant canopies, litter, and mulching intercept rain by decreasing the amount, intensity, and spatial distribution of the precipitation reaching the soil surface, protecting the soil surface from the direct impact of raindrops that can cause splash and sheet erosion. In soil and water conservation, this practice is higher than others because crops and leguminous woody perennials improve and enrich soil conditions through atmospheric nitrogen fixation, organic matter through litterfall and dead and decaying roots, nutrient cycles, modification of soil porosity, and contribution to infiltration rates. It also relieves and maintains salinity, alkalinity, acid, and water retention problems. To increase the water table and increase soil moisture, water conservation is based on trapping as much of this water as possible and storing it on the surface (intanks) or allowing it to sink into the soil. Even where storage pans are dug, they are small and cannot keep the premises afloat when the drought lasts for days, as they have done recently. It is strongly recommended that the productivity of soil and water conservation measures is promoted through an integrated approach in which farmers are intensively involved in every implementation stage.
水土保持措施有助于农业的长期可持续性和可持续农业。本文综述了主要农艺措施及其在水土保持中的作用。审查结果表明,埃塞俄比亚重要的农艺水土保持做法是带状种植、混合种植、间作、休耕、覆盖、等高翻耕、轮作、保留耕作和农林业。在土壤理化性质、土壤有机质、全氮、速效磷、容重、入渗速率、土壤质地等方面,涵养地与非涵养地存在显著差异。非涵养地土壤有机质、全氮和入渗速率较低,容重、粘粒含量和速效磷较高,有机质含量与入渗速率和全氮呈正相关,与容重呈负相关。阳离子交换容量(CEC)与土壤pH和有效磷呈正相关,起伏地适宜雨养农业。植物冠层、凋落物和覆盖物通过减少到达土壤表面的降水的数量、强度和空间分布来拦截雨水,保护土壤表面免受雨滴的直接影响,从而导致飞溅和侵蚀。在水土保持方面,这种做法比其他做法效果更好,因为作物和豆科木本多年生植物通过大气固氮、通过凋落物和枯死及腐烂根系中的有机质、养分循环、土壤孔隙度的改变以及对入渗速率的贡献来改善和丰富土壤条件。它还可以缓解和维持盐度、碱度、酸和水潴留问题。为了增加地下水位和增加土壤湿度,水资源保护的基础是尽可能多地捕获这些水并将其储存在地表(储罐)或允许其沉入土壤中。即使在挖了储水盘的地方,储水盘也很小,而且在干旱持续数天的情况下(就像最近那样),也无法维持房屋的运转。强烈建议通过一种综合办法来促进水土保持措施的生产力,使农民集中参与每一个执行阶段。
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引用次数: 6
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Advances in Agriculture
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