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A REVIEW ON MARKETING LOSS AND CHANNELS OF FRUITS AND VEGETABLES 果蔬营销损失与渠道综述
Pub Date : 1900-01-01 DOI: 10.26480/fabm.01.2022.25.27
Samiksha Upreti, Sristi Thapa, Samridhi Kafle, Prashna Budhathoki
Being highly perishable in nature, there is huge amount of losses of fruits and vegetables. After harvest, huge proportion of fresh fruits and vegetables are being damaged and loss worldwide. After the harvesting of horticultural produce, there undergoes various operations like grading, sorting, packaging, transportation, and storage. Lack of proper handling, transportation, storage facilities and unmanaged distribution play major role in marketing loss. There is still traditional marketing existing in Nepal where sellers have to travel long distance for hat bazar. This paper aims to describe the marketing loss and channels of fruits and vegetables. This study fills the knowledge gap of marketing losses of fruits and vegetables. Data were obtained through the related research article, books, and gather information. However, losses can be minimize by proper handling of fruits and vegetables, proper storage facilities, proper transportation facilities, cleaning, grading procedure and good market management. Then, there will be reduction of marketing losses and proper linkage between intermediaries.
由于水果和蔬菜本身极易腐烂,因此损失惨重。收获后,全世界有很大比例的新鲜水果和蔬菜遭到破坏和损失。园艺产品收获后,要经过分级、分类、包装、运输和储存等各种操作。缺乏适当的处理、运输、储存设施和管理不善的分销是造成市场损失的主要原因。尼泊尔仍然存在传统的营销方式,卖家必须长途跋涉才能到达集市。本文旨在描述水果和蔬菜的营销损失和渠道。本研究填补了果蔬营销损失的知识空白。通过相关的研究文章、书籍获取资料,并收集资料。但是,通过正确处理水果和蔬菜、适当的储存设施、适当的运输设施、清洁、分级程序和良好的市场管理,可以最大限度地减少损失。然后,将减少营销损失和适当的中介机构之间的联系。
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引用次数: 0
PRESENT STATUS AND PROBLEMS OF UNDERUTILIZED VEGETABLES AS PERCEIVED BY THE RETAILERS AND CONSUMERS OF KHULNA CITY OF BANGLADESH 孟加拉国库尔纳市零售商和消费者认为蔬菜利用不足的现状和问题
Pub Date : 1900-01-01 DOI: 10.26480/fabm.02.2022.42.47
Md. Yamin Kabir, Mouri Khan Mim, Jannatul Ferdous Katha, Md. Matiul Islam
Though underutilized vegetables are safe, cheap and rich sources of proteins, fibers, minerals, vitamins, and antioxidants; they attract very little attention from the researchers and from the vegetables’ traders. The study was conducted to evaluate the status of underutilized vegetables at retailers’ and consumers’ level of Khulna city along with the problems faced by the retailers and preferences of the consumers related to underutilized vegetables. More than half (60%) of the retailers were middle aged and only 12.5% were young. Three-fourths (75%) of the retailers were female though only 2.5% had received higher secondary level of education. Only one-fourth of the retailers participated in different organizations though all showed low involvement with those activities. However, majority of the retailers (82.5%) showed favorable attitude towards underutilized vegetables. Among the consumers, about a half of them (47.5%) belonged to middle age, 42.5% had postgraduate degree, and only 12.5% were involved with different organizations. However, just more than one-third (35%) consumers bought underutilized vegetables regularly. Consumers preferred underutilized vegetables mainly because of health and nutritional benefits. Laborious collection of underutilized vegetables, not getting permission from the owner, and collecting vegetables all day long without having meal ranked 1st, 2nd and 3rd, respectively in terms of problems being faced by the retailers.
虽然未被充分利用的蔬菜是安全、廉价和丰富的蛋白质、纤维、矿物质、维生素和抗氧化剂的来源;他们很少引起研究人员和蔬菜贸易商的注意。本研究旨在评估库尔纳市零售商和消费者层面的未充分利用蔬菜现状,以及零售商面临的问题和消费者对未充分利用蔬菜的偏好。超过一半(60%)的零售商是中年人,只有12.5%是年轻人。四分之三(75%)的零售商是女性,但只有2.5%的人受过中等以上教育。只有四分之一的零售商参加了不同的组织,尽管他们对这些活动的参与度都很低。然而,大多数零售商(82.5%)对未充分利用的蔬菜持赞成态度。在这些消费者中,大约一半(47.5%)属于中年人,42.5%的人拥有研究生学历,只有12.5%的人参与了不同的组织。然而,只有超过三分之一(35%)的消费者定期购买未充分利用的蔬菜。消费者偏爱未充分利用的蔬菜,主要是因为其有益健康和营养。在零售商面临的问题中,费力收集未充分利用的蔬菜、未经店主许可、整日收菜而不吃饭分别排在第1、2、3位。
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引用次数: 0
PRESENT STATUS, PROSPECTS AND PROBLEMS OF CASHEW CULTIVATION IN BANGLADESH 孟加拉国腰果种植的现状、前景及问题
Pub Date : 1900-01-01 DOI: 10.26480/fabm.02.2022.53.62
Md. Matiul Islam, M. Islam, Z. Sultana, Md. Abdul Mannan
Cashew (Anacardium occidentale L.) remained underexploited in Bangladesh, though it is a vital crop in many countries. This study was conducted to reveal the present scenario, explore the prospects, and identify the problems of cashew cultivation in Bangladesh. Data were collected from randomly selected 63 cashew-producing farmers from three hilly districts, Rangamati, Bandarban and Khagrachhari, under the Chittagong division of Bangladesh, using a structured interview schedule from February to April 2019. The majority of the farmers (65.1%) owned medium-size farms (1.01-3ha) and about half of them (46.0%) belonged to the higher annual income (>1,50,000 BDT; equivalent to 1,750.55 USD) group. The cashew yield was medium (1.40 to 1.80t ha-1) and an individual tree yield ranged from 3 to 8 kg with an average of 6.24 kg. More than two-thirds (68.3%) of the farmers earned 1,20,001-1,80,000 BDT ha-1 from cashew cultivation with an average of 1,68,000 BDT (equivalent to 1,960.62 USD). An average of 0.89 ha of land could still be taken under cashew cultivation. The net profit potential of 8,34,242 BDT ha-1 (equivalent to 9,706.69 USD) is possible from cashew cultivation which is much higher than other crops. The farmers confronted low (79.4%) to medium (20.6%) problems and among the 16 identified problems, ‘lack of processing for nut and apple’ was the most serious severe problem, followed by ‘lack of quality seeds or seedlings. The findings suggest that the government should take initiatives to overcome the prevailing problems regarding cashew cultivation.
尽管腰果(Anacardium occidentale L.)是许多国家的重要作物,但在孟加拉国仍未得到充分开发。本研究旨在揭示孟加拉国腰果种植的现状,探讨前景,并找出问题所在。数据是通过2019年2月至4月的结构化访谈计划从孟加拉国吉大港地区的Rangamati、Bandarban和Khagrachhari三个丘陵地区随机选择的63名腰果生产农民中收集的。大多数农民(65.1%)拥有中型农场(1.01-3公顷),其中约一半(46.0%)属于较高的年收入(> 15万BDT;相当于1,750.55美元)组。腰果产量中等(1.40 ~ 1.80吨每公顷),单株产量3 ~ 8公斤,平均6.24公斤。超过三分之二(68.3%)的农民从腰果种植中获得1,20001 - 1,80000 BDT /公顷的收入,平均收入为168,000 BDT /公顷(相当于1,960.62美元)。腰果种植平均仍可占用0.89公顷的土地。腰果种植可能产生的净利润潜力为8,34,242 BDT ha-1(相当于9,706.69美元),远高于其他作物。农民面临的问题是低(79.4%)到中(20.6%),在16个问题中,“坚果和苹果缺乏加工”是最严重的问题,其次是“缺乏优质种子或幼苗”。研究结果表明,政府应采取主动措施,克服腰果种植中普遍存在的问题。
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引用次数: 0
FOOD COST ANALYSIS DURING LOCKDOWN USING ACTIVITY BASED COSTING AND FOOD FREQUENCY QUESTIONARE METHODS 使用作业成本法和食品频率问卷法分析封锁期间的食品成本
Pub Date : 1900-01-01 DOI: 10.26480/fabm.02.2022.33.36
Edi Supardi, N. Nurjanah
The emergence of the debate about the level of effectiveness and efficiency of vaccination versus lockdown policies currently attracts the attention of the authors. The author believes that the lockdown policy will be effective to be implemented in the future. This study was aimed to determine the type and amount of food needs and obtain a mathematical model to predict the cost of food security if the lockdown policy scenario is implemented. Urban areas are used as subjects in this study due to the vulnerability of food availability in cities when a pandemic condition occurs where food supply from the supply area (rural) is disrupted. The novelty of this research is the use of two exploratory methods, that is activity base costing and a food frequency questionnaire which aims to obtain information about the number of basic food needs for 100 residents of batununggal village, bandung city, as the research sample. The results of the study found that the cost of food per person is rp. 219,848 per pax for 14 days. With the following mathematical equation food cost during 14 days lockdown = idr 219,848 x, x = person. The cost of lockdown in general is much cheaper than the cost of vaccinations currently being carried out by the government.
关于疫苗接种与封锁政策的有效性和效率水平的辩论的出现目前引起了作者的注意。笔者认为,今后封锁政策将有效实施。本研究旨在确定粮食需求的类型和数量,并获得一个数学模型,以预测实施封锁政策情景下的粮食安全成本。本研究使用城市地区作为研究对象,是因为当大流行发生时,来自供应地区(农村)的粮食供应中断,城市的粮食供应很容易受到影响。本研究的新颖之处在于使用了两种探索性的方法,即活动基础成本法和食物频率问卷调查,旨在获得万隆市巴屯加尔村100名居民作为研究样本的基本食物需求数量信息。研究结果发现,人均食品成本为250美元。14天,每人219,848美元。根据以下数学公式,14天封锁期间的食品成本= 219,848印尼盾x, x =人。总的来说,封锁的成本比政府目前正在进行的疫苗接种成本要便宜得多。
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引用次数: 0
A REVIEW ON MARKETING AND VALUE CHAIN OF NEPAL CARDAMOM (AMOMUM SUBULATUM ROXB.) IN THE EASTERN HILLS OF NEPAL 尼泊尔豆蔻(amomum subulatum roxb .)营销与价值链综述在尼泊尔东部的山上
Pub Date : 1900-01-01 DOI: 10.26480/fabm.01.2022.28.32
P. Magar, Prashna Budhathoki, Subarna Kandel, Rachana Tandan Chhetri, L. Devkota
Nepal cardamom (Amomum subulatum Roxb.) is one of the most precious commodities with considerable export potential, as well as one of our country’s most valued crops and most essential cash crops. Large cardamom is primarily farmed in the eastern region of our country. This study focuses on the current state of massive cardamom marketing and the value chain in Nepal. The market for large cardamon is hampered by a variety of obstacles. The vast cardamom market and marketing are weak, and there is a post-harvest loss that inhibits the market. Nepal is the top exporter of large cardamom in terms of market share. The districts of Ilam, Taplejung, Pachthar, and Sankhuwasabha produce and export huge quantities of best quality cardamom. India is the largest market for large cardamom in Nepal. The spice is re exported from India to Bangladesh, Pakistan, the Gulf states, and other international destinations through use of various transport systems.
尼泊尔豆蔻(Amomum subullatum Roxb.)是最宝贵的商品之一,具有相当大的出口潜力,也是我国最有价值的作物和最重要的经济作物之一。大豆蔻主要种植在我国东部地区。本研究的重点是尼泊尔大规模豆蔻营销和价值链的现状。大豆蔻的市场受到各种障碍的阻碍。广阔的豆蔻市场和营销疲软,收获后的损失抑制了市场。就市场份额而言,尼泊尔是大豆蔻的最大出口国。Ilam, Taplejung, Pachthar和Sankhuwasabha地区生产并出口大量优质豆蔻。印度是尼泊尔大豆蔻的最大市场。这种香料通过各种运输系统从印度再出口到孟加拉国、巴基斯坦、海湾国家和其他国际目的地。
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引用次数: 0
ANALYSIS OF SPOILAGE AND STORAGE OF FRESH TOMATO IN PLATEAU STATE NIGERIA 尼日利亚高原州鲜番茄腐败与贮藏分析
Pub Date : 1900-01-01 DOI: 10.26480/fabm.02.2022.37.41
A. O., Oladejo, A.O., Mbah, J.J., Popoola, A.S., Sadiku, Y, Onuwa, G.C., S. G.K
The purpose of this research was to determine spoilage resulting from adopted methods of storage among tomato sellers relative to quantity stored in major markets of Plateau State, Nigeria. Methods used to obtain data from 400 tomato sellers involve administration of structured questionnaires based on purposive and simple random sampling techniques. Descriptive statistics, F-test, t-test and Multiple Linear Regression (MLR) methods were used to analyse the data. Results from the use of F-test and t-test statistics showed that there is significant relationship among variables and that both storage methods and quantity stored of fresh tomato have significant effect on total quantity of tomato spoiled at 95% confidence bound. Consequently, a model of the association was presented. It was concluded that majority of tomato sellers used woven baskets to store tomatoes. Also, heat and pathogens were major factors causing tomato spoilage and more tomatoes spoiled during rain season than dry season.
本研究的目的是确定在尼日利亚高原州主要市场中,番茄销售商采用的储存方法与储存数量之间的腐败程度。从400名番茄销售商中获取数据的方法包括基于有目的和简单随机抽样技术的结构化问卷管理。采用描述性统计、f检验、t检验和多元线性回归(MLR)方法对数据进行分析。f检验和t检验统计结果表明,各变量之间存在显著的相关关系,在95%的置信范围内,新鲜番茄的储存方式和储存量对番茄腐坏总量均有显著影响。在此基础上,提出了一种关联模型。结果表明,大多数番茄销售者使用编织篮子来储存番茄。高温和病原菌是导致番茄腐坏的主要因素,雨季番茄腐坏率高于旱季。
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引用次数: 0
ECONOMIC FEASIBILITY FOR THE PRODUCTION OF JATROPHA ON A SMALL SCALE IRRIGATED BY TREATED WASTEWATER 经处理废水灌溉小规模生产麻疯树的经济可行性
Pub Date : 1900-01-01 DOI: 10.26480/fabm.01.2022.20.24
Assem A. A. Mohamed, M. G. El-Nagger, M. Abdelaziz, W. Abobatta
Energy is a vital driving force for development; access to energy can alleviate poverty, improve living conditions and propel economic development. Biofuels as a fossil energy alternative has gained worldwide attention for many years. Drastic changes in the energy system are needed. However, the establishment of the required new energy technologies and associated infrastructure will in itself lead to GHG emissions. Other important aspect affecting Egypt’s agriculture income is water scarcity. Egypt will need to improve the way they manage their water resources and associated services. However, expansion of Jatropha plantation largely depends on profitability from such plantations on small- scale level. The study reveals that Jatropha is a potential renewable energy resource with advantage of grown on marginal lands and irrigated by treated of waste water. The main objective of the study is to assess the profitability of Jatropha through discounted indicators in order to enhancing the sustainable development in Egypt. This study has shown positive returns from Jatropha plantation during the period 2008- 2022. Although the net present value at discount ratio of 30% was LE 8.2 thousand, while the benefit/ cost ratio was 1.45.
能源是发展的重要动力;获得能源可以减轻贫困,改善生活条件,推动经济发展。生物燃料作为一种化石能源替代品,多年来一直受到全世界的关注。能源系统需要进行重大变革。然而,所需的新能源技术和相关基础设施的建立本身就会导致温室气体排放。影响埃及农业收入的另一个重要方面是水资源短缺。埃及需要改进他们管理水资源和相关服务的方式。然而,麻疯树人工林的扩大在很大程度上取决于小规模麻疯树人工林的盈利能力。该研究表明,麻疯树是一种潜在的可再生能源资源,具有在边缘土地上种植和废水处理后灌溉的优势。本研究的主要目的是通过贴现指标评估麻疯树的盈利能力,以促进埃及的可持续发展。这项研究表明,在2008年至2022年期间,麻疯树种植园的收益为正。虽然折现率为30%的净现值为8.2万欧元,而收益/成本比为1.45。
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引用次数: 0
RETHINKING WHEAT IMPORTATION IN CAMEROON: AN ESTIMATION OF LIKELY BENEFITS MISSED DUE TO IMPORTATION 重新考虑喀麦隆的小麦进口:对进口可能带来的损失的估计
Pub Date : 1900-01-01 DOI: 10.26480/fabm.01.2022.12.19
Peter Ngek Shillie, Mary-Juliet Bime Egwu, Nji Mondi Boja
This study was conducted to create a re-awakening of thinking in the subject area of wheat importation in Cameroon. The objectives of the study included: examining the production and importation level of wheat, estimating likely job creation potential and community welfare missed due to high importation of wheat and estimating revenue (from taxes) that could have been generated through personal income tax if local production was prioritized. Secondary data was used. Simple descriptive analysis tools building on data for 20 years 2000 to 2019, was used for analysis. Data employed for analysis was collected from online sites namely FAO, USDA, Macrotrends, and Knoema. This was after all efforts to obtain data from the National Institute of Statistics yielded no fruits. The data collected from online sites were averaged and the mean was used for analysis. Wheat production results showed that on average for the period studied, 0.84 thousand metric tonnes of wheat were produced annually in Cameroon. Importation figures showed that an average of 513.85 thousand metric tonnes were imported annually in Cameroon. This shows a huge gap between local production and consumption needs to be filled through importation. Regarding lost job creation potential, estimates indicated that about 246,413 jobs could have been created annually if local wheat production was prioritized over importation. These indicate that unemployment levels would have been much better in wheat-producing areas if this was the case. Estimates relating to revenue generation through personal income tax show that on average, 16,912.24MFCFA might have been missed annually for the period 2000 to 2019 due to the high importation of wheat. Overall, the results suggest that Cameroon is missing a lot by importing huge volumes of wheat. The study recommends that Cameroon should engage heavily in local wheat production given that the agro-ecological conditions are favorable for wheat production. Such an action will bring about significant positive changes in terms of local job creation, income generation, and welfare improvements to the inhabitants, especially in the farming communities.
本研究旨在唤醒人们对喀麦隆小麦进口问题的思考。该研究的目标包括:审查小麦的生产和进口水平,估计由于小麦的大量进口可能造成的就业创造潜力和社区福利损失,并估计如果优先考虑当地生产,可能通过个人所得税产生的(税收)收入。采用二次数据。使用基于2000年至2019年20年数据的简单描述性分析工具进行分析。用于分析的数据收集自在线网站,即粮农组织、美国农业部、Macrotrends和Knoema。毕竟,从国家统计局获得数据的努力没有取得任何成果。从网络站点收集的数据取平均值,并用平均值进行分析。小麦产量结果表明,在研究期间,喀麦隆平均每年生产0.84万公吨小麦。进口数字显示,喀麦隆每年平均进口51385万公吨。这表明当地生产和消费之间的巨大差距需要通过进口来填补。关于失去的创造就业机会潜力,估计表明,如果优先考虑本地小麦生产而不是进口,每年可创造约246,413个就业机会。这表明,如果是这样的话,小麦产区的失业率会好得多。与通过个人所得税产生的收入有关的估计显示,2000年至2019年期间,由于小麦的大量进口,平均每年可能少报16,912.24MFCFA。总的来说,结果表明喀麦隆由于大量进口小麦而失去了很多。该研究建议,鉴于农业生态条件有利于小麦生产,喀麦隆应大力发展当地的小麦生产。这一行动将在当地创造就业机会、创造收入和改善居民福利方面带来重大的积极变化,特别是在农业社区。
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引用次数: 0
ECO-FRIENDLY AND COST-EFFECTIVE MANAGEMENT OF TOMATO FRUIT BORER (HELICOVERPA ARMIGERA) IN LAMJUNG DISTRICT OF NEPAL 尼泊尔lamjung地区番茄果螟(棉铃虫)的生态友好和成本效益管理
Pub Date : 1900-01-01 DOI: 10.26480/fabm.01.2022.05.07
Aashish Rashik Ghimire, Suraj , Acharya, Karuna Gauli, Sandeep Airee
A field experiment was conducted in Besishahar Municipality, Lamjung to identify eco-friendly and effective pesticides against tomato fruit borer (Helicoverpa armigera). The experiment setup was designed in Randomized complete block design (RCBD) with 7 treatments viz. are T1(Neem extract), T2(Bacillus thuringiensis), T3(Spinosad), T4(HNPv), T5( Tobacco extract), T6(Metarhizium anisopliae) and T7(control) and each treatment was replicated four times Spinosad gave highest percentage reduction of pest over control (PROC) 66.52% and 68.85% after the 1st and 2nd spray respectively. Bacillus thuringiensis was found to be another promising insecticide reducing the larval population with PROC (49.55%) after 2nd spray. The highest marketable fruit yield (48.50 ton/ha) and lowest fruit damage (8.53 ton/ha) were obtained from Spinosad treated plots followed by Bacillus thuringiensis with a marketable yield of 46 ton/ha and fruit damage of 11.47ton/ha. The highest benefit-cost ratio was obtained from spinosad (2.05) followed by Bacillus thuringiensis (1.94). Thus, spinosad and Bacillus thuringiensis could be the potential option for the management of tomato fruit borer and increasing the return.
在兰琼省贝西沙哈尔市进行了一项田间试验,以确定生态友好、有效的番茄果螟农药。试验采用随机完全区组设计(RCBD),共设T1(印楝提取物)、T2(苏云金芽孢杆菌)、T3(Spinosad)、T4(HNPv)、T5(烟草提取物)、T6(绿僵菌)和T7(对照)7个处理,每个处理重复4次,Spinosad在第一次和第二次喷施后的防虫率最高,分别为66.52%和68.85%。苏云金芽孢杆菌是另一种很有前景的杀虫剂,第2次喷施后,其PROC可减少幼虫数量(49.55%)。用Spinosad处理的地块可销售的果实产量最高(48.50吨/公顷),果实损害最低(8.53吨/公顷),其次是苏云金芽孢杆菌,可销售的果实产量为46吨/公顷,果实损害为11.47吨/公顷。效益成本比最高的是沙棘糖(2.05),其次是苏云金芽孢杆菌(1.94)。因此,spinosad和苏云金芽孢杆菌可能是治理番茄果实蛀虫和提高收益的潜在选择。
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引用次数: 0
TECHNICAL EFFICIENCY DYNAMICS IN SMALLHOLDING CASSAVA-BASED FARMING IN RURAL NIGERIA 尼日利亚农村小农木薯农业的技术效率动态
Pub Date : 1900-01-01 DOI: 10.26480/fabm.02.2022.67.73
Oluwakemi Adeola Obayelu, Ifeoluwase Tunrayo Awoku, Fatai Abiola Sowunmi, M. Akinyemi
Dynamics of production efficiency is a key factor in assessing resource-use patterns and production growth. Raising technical efficiency of smallholder farmers in rural areas would not only increase their income but also stimulate the rest of the economy. This study therefore assessed movement of smallholder farmers in and out of technical efficiency regime over time in Nigeria. Panel data from Living Standard Measurement Survey was analysed using stochastic production frontier model, Markov chain and multinomial logit model. Farm size, labour, cassava cuttings and the use of pesticides, significantly influenced the productivity of cassava production while age squared, household size, no access to extension services and membership of a cooperative society reduced the efficiency of the farming households. A higher percentage (64.83%) of cassava farms under mono-cropping system were efficient in 2010/2011, while a large proportion of about 92.91% were inefficient in 2015/2016. Further, the rate of entry into technical inefficiency (31.32%) was more than the rate of exit from technical inefficiency (14.89%). Transition into technical inefficiency was explained by age, age squared, farm size, gender, household size, marital status, secondary school education and farming systems. In the long run, the probability that rural cassava farmers will be technically efficient was higher than that of being technically inefficient in the future.
生产效率的动态是评价资源利用模式和生产增长的关键因素。提高农村小农的技术效率不仅可以增加他们的收入,还可以刺激经济的其他方面。因此,本研究评估了尼日利亚小农在一段时间内进出技术效率制度的情况。采用随机生产前沿模型、马尔可夫链和多项logit模型对生活水平测量调查的面板数据进行了分析。农场规模、劳动力、木薯插枝和杀虫剂的使用对木薯生产的生产力有重大影响,而年龄平方、家庭规模、无法获得推广服务和合作社的成员资格则降低了农户的效率。2010/2011年,单作制木薯农场的高效比例较高(64.83%),而2015/2016年,低效比例较高(约92.91%)。进入技术效率低下的比率(31.32%)大于退出技术效率低下的比率(14.89%)。年龄、年龄平方、农场规模、性别、家庭规模、婚姻状况、中学教育程度和农业制度可以解释向技术效率低下的过渡。从长远来看,农村木薯农民在未来技术上高效的概率高于技术上低效的概率。
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引用次数: 0
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