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Evolving meanings of ‘principles’ in agronomic discourse 农学话语中“原则”意义的演变
3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-11-09 DOI: 10.1177/00307270231213659
James Sumberg, Ken E Giller, Dominic Glover
The notion of principles, and the sense that they are different from but closely linked to practices, is deeply rooted in the agronomy literature. However, these terms are currently used by different authors to mean very different things. This paper explores these various uses and meanings. We argue that an understanding of the use of apparently innocuous, everyday words like principles and practices provides a valuable insight into on-going debates, contestation and politics about the future of agriculture and food. In the case of principles, it is important to understand the forms they take, by whom they are proclaimed and for what purpose(s). We find that while most alternative agricultures define themselves through a set of principles, these do not challenge or undermine the scientific principles that underpin mainstream agronomy. Further, we argue that to articulate and proclaim principles is to seek to exercise discursive power. Specifically, proclaiming principles or defining a favoured approach to agriculture by articulating a specific set of principles, is to exert authority, bolster legitimacy and claim a place in a crowded and contested marketplace.
原则的概念,以及它们不同于实践但与实践密切相关的感觉,深深植根于农学文献。然而,这些术语目前被不同的作者用来表示非常不同的东西。本文探讨了这些不同的用法和含义。我们认为,理解“原则”和“实践”等看似无害的日常词汇的使用,可以为有关农业和粮食未来的持续辩论、争论和政治提供有价值的见解。在原则的情况下,重要的是要了解他们采取的形式,他们是由谁宣布的,以及为了什么目的。我们发现,虽然大多数替代农业通过一套原则来定义自己,但这些原则并没有挑战或破坏支撑主流农学的科学原则。此外,我们认为,阐明和宣布原则是寻求行使话语权。具体来说,通过阐述一套具体的原则来宣布原则或确定一种有利的农业方法,是为了施加权威,增强合法性,并在拥挤和竞争激烈的市场中占据一席之地。
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引用次数: 0
Sustainable wheat production strategies in blast-affected areas of Bangladesh 孟加拉国受蝗灾影响地区的可持续小麦生产战略
3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-11-03 DOI: 10.1177/00307270231210589
Md Sohel Rana, Asif R Anik, Md R Islam, Mashrat Jahan
Bangladesh experienced widespread wheat blast infections for the first time in 2016. The outbreak of the disease has significantly affected wheat acreage and production. This study uses an ‘action theory’ framework to identify the determinants that affected wheat growers to adopt certain production practices to deal with the situation. We followed a multistage sampling procedure and interviewed 150 wheat growers from two severely blast-affected districts, Meherpur and Kustia. According to 91.3% of farmers, the most remarkable adoption strategies were ‘improved intercultural practices,’ ‘shifting variety,’ ‘shifting crops’, and ‘undertaking off-farm activities,’ of which farmers mostly followed the former. We also used multivariate probit model analysis to identify factors that shape farmers’ adaptation choices in wheat blast-affected areas. The adaptation strategies are influenced mainly by farmers’ education, primary occupation, family size, government incentives, extension services, access to Information and Communications Technology (ICT), and annual income. According to the notable similarities between the four adoption strategies, an adoption study should consider all potential factors influencing farmers’ adoption decisions. Policy implications include strengthening extension services, developing tailored adaptation strategies, and conducting relevant research.
2016年,孟加拉国首次经历了广泛的小麦瘟感染。此病的爆发严重影响了小麦的种植面积和产量。本研究使用“行动理论”框架来确定影响小麦种植者采取某些生产实践来应对这种情况的决定因素。我们采用了多阶段抽样程序,采访了来自Meherpur和Kustia两个蝗灾严重地区的150名小麦种植者。91.3%的农民表示,最显著的采用策略是“改进跨文化实践”、“转移品种”、“转移作物”和“从事非农活动”,其中农民大多遵循前者。我们还使用多变量概率模型分析来确定影响小麦稻瘟病灾区农民适应选择的因素。适应策略主要受农民受教育程度、主要职业、家庭规模、政府激励、推广服务、获取信息和通信技术(ICT)和年收入的影响。鉴于四种收养策略之间的显著相似性,一项收养研究应考虑影响农民收养决策的所有潜在因素。政策影响包括加强推广服务、制定有针对性的适应战略以及开展相关研究。
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引用次数: 0
Addressing the challenges and leveraging the opportunities of automation and robotics technologies adoption in agriculture: The case of Ontario, Canada 应对农业自动化和机器人技术采用的挑战和利用机遇:以加拿大安大略省为例
3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-10-12 DOI: 10.1177/00307270231201871
Charles Conteh
This paper seeks to advance understanding of the barriers that constrain and the drivers that promote the adoption of automation and robotics in agriculture. The paper focuses on Ontario, Canada, as the case study. The choice of the province is informed by the fact that it is generally considered one of Canada's leading agriculture powerhouses. The paper employed a mixed-methods approach consisting of survey questionnaires and in-depth focus group discussions. The article sheds light on the complex and context-specific factors determining farmers’ adoption of automation and robotics technology. Principally, adopters and non-adopters of automation robotics technology agree that government has a critical role in accelerating the adoption of automation and robotics technology. More importantly, the paper spells out the various facets of that role and the contexts within which they can be most effective and impactful. The discussion explores the significance of the results in relation to the relevant extant literature and highlights the key implications of our findings for future policy and practice. It also offers some solutions in the form of policy recommendations and suggested action steps for removing barriers and exploiting opportunities associated with adopting technology. While empirically focusing on Ontario, the findings and analysis have implications for all of Canada and other industrialized countries .
本文旨在促进对农业中采用自动化和机器人技术的限制和驱动因素的理解。本文以加拿大安大略省为个案研究对象。选择这个省是因为它通常被认为是加拿大领先的农业强国之一。本文采用调查问卷和深入焦点小组讨论的混合方法。这篇文章揭示了决定农民采用自动化和机器人技术的复杂和具体的因素。基本上,自动化机器人技术的采用者和非采用者都认为,政府在加速自动化和机器人技术的采用方面发挥着关键作用。更重要的是,该文件阐明了这一角色的各个方面,以及它们能够发挥最大效力和影响力的背景。讨论探讨了与相关现有文献相关的结果的意义,并强调了我们的研究结果对未来政策和实践的关键影响。它还以政策建议的形式提供了一些解决办法,并提出了消除障碍和利用与采用技术有关的机会的行动步骤。虽然经验主要集中在安大略省,但研究结果和分析对加拿大和其他工业化国家都有影响。
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引用次数: 0
A systematic review on the factors governing precision agriculture adoption among small-scale farmers 影响小农采用精准农业的因素的系统综述
3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-10-11 DOI: 10.1177/00307270231205640
Dah John, Norhayati Hussin, Mohd Sazili Shahibi, Masitah Ahmad, Hasnah Hashim, Divine Senanu Ametefe
The global agricultural paradigm is witnessing a transformative shift with the advent of precision agriculture. While large-scale agricultural enterprises have been swift in their embrace of this innovation, its uptake among small-scale farmers remains nuanced and complex. This study elucidates the multi-faceted determinants that influence the adoption of precision agriculture within the small-scale farming sector. The study adopts a systematic literature review approach, meticulously selecting and analysing 29 relevant papers. Drawing upon an exhaustive literature review and empirical analyses, the research presents a composite framework weaving economic, technological, social, and environmental factors. Among these, the social dynamics emerge as the most significant factor, shaped by awareness levels, knowledge dissemination pathways, and entrenched cultural norms. These social elements often intertwine with ingrained traditional practices and perceptions, forming the most intricate layer shaping adoption attitudes. Notably, although economic factors like substantial initial investments and the calculus of Return on Investment are present, they are overshadowed by social considerations. The technological landscape is characterised by the challenges of digital literacy, infrastructural readiness, and technological interoperability. Lastly, environmental imperatives, underscored by resource scarcity, climate change resilience, and ecosystem services, offer both challenges and motivations. Together, these factors delineate the intricate roadmap guiding small-scale farmers in their journey toward precision agriculture adoption. This comprehensive exploration provides stakeholders with actionable insights, fostering informed decision-making and strategic interventions to augment precision agriculture's integration within the small-scale farming tapestry.
随着精准农业的出现,全球农业模式正在发生革命性的转变。虽然大型农业企业已经迅速接受了这种创新,但小规模农民对这种创新的接受仍然微妙而复杂。本研究阐明了影响小规模农业部门采用精准农业的多方面决定因素。本研究采用系统的文献综述法,对29篇相关论文进行了精心的选择和分析。通过详尽的文献回顾和实证分析,本研究提出了一个编织经济、技术、社会和环境因素的复合框架。其中,社会动态是最重要的因素,受意识水平、知识传播途径和根深蒂固的文化规范的影响。这些社会因素往往与根深蒂固的传统习俗和观念交织在一起,形成了影响收养态度的最复杂的层面。值得注意的是,尽管存在大量初始投资和投资回报计算等经济因素,但它们被社会考虑所掩盖。技术前景的特点是数字素养、基础设施准备和技术互操作性的挑战。最后,资源稀缺、气候变化适应能力和生态系统服务所强调的环境要求,既带来了挑战,也提供了动力。总之,这些因素描绘了一个复杂的路线图,指导小农走向精准农业。这一全面的探索为利益相关者提供了可行的见解,促进了明智的决策和战略干预,以增强精准农业与小规模农业的融合。
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引用次数: 0
A mixed-methods approach to examine farmers’ willingness to adopt protein crops 一种混合方法来检验农民种植蛋白质作物的意愿
3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-10-09 DOI: 10.1177/00307270231205924
Margo Degieter, Xavier Gellynck, Shashank Goyal, Matis Mattelin, Jana De Wulf, Denise Ott, Hans De Steur
To achieve a more sustainable food system, it is necessary to shift toward more plant-based protein sources. Europe currently imports huge amounts of protein crops each year, mainly soy, which has adverse environmental and socioeconomic impacts. Therefore, there is a need to increase local production. Despite the numerous advantages associated with the cultivation of protein crops, the farmer adoption rate in Europe remains very low. This study aims to investigate farmers’ willingness to grow protein crops and the determinants of the willingness to adopt protein crops, using a standardized survey. In addition, selected protein crop farmers are interviewed to gain a deeper understanding of their motivations to grow these crops. Results indicate that risk aversion has a negative and environmental farming goals have a positive significant impact on the intention to adopt protein crops for food. Additionally, farmers with a larger farm size are more likely to adopt protein crops. The importance of these factors is also supported by the interviewed farmers. However, the latter further highlighted the importance of knowledge, profitability, consumer perceptions, and supportive policies. This study is one of the first studies exploring farmers’ perspectives on protein crop cultivation in Europe and can therefore serve as a foundation for future research and policy recommendations.
为了实现更可持续的粮食系统,有必要转向更多的植物性蛋白质来源。欧洲目前每年进口大量蛋白质作物,主要是大豆,这对环境和社会经济都有不利影响。因此,有必要增加当地的产量。尽管种植蛋白质作物有许多好处,但欧洲农民的采用率仍然很低。本研究旨在通过标准化调查,调查农民种植蛋白质作物的意愿和采用蛋白质作物意愿的决定因素。此外,还采访了选定的蛋白质作物农民,以更深入地了解他们种植这些作物的动机。结果表明,风险厌恶对采用蛋白质作物作为食物的意愿有负向影响,而环境农业目标对采用蛋白质作物作为食物的意愿有显著的正向影响。此外,农场规模较大的农民更有可能采用蛋白质作物。这些因素的重要性也得到了受访农民的支持。然而,后者进一步强调了知识、盈利能力、消费者观念和支持政策的重要性。这项研究是探索欧洲农民对蛋白质作物种植观点的首批研究之一,因此可以作为未来研究和政策建议的基础。
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引用次数: 0
Current agricultural diversification strategies are already agroecological 目前的农业多样化战略已经是农业生态学
IF 3 3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-09-01 DOI: 10.1177/00307270231199796
Jillian Lenné
Modern agriculture, especially monocultures, is increasingly blamed by proponents of agroecology for loss of biodiversity in agroecosystems through loss of natural vegetation and crop genetic diversity. However, loss of natural vegetation to agriculture has slowed in recent years, and the claim for 75% loss of crop genetic diversity due to the widespread use of improved crop varieties lacks evidence. The main objective of this perspective paper is to identify and analyze the kinds of diversity already developed by agricultural research in the context of their function, need and relevance to particular agroecological elements and principles related to biodiversity. The paper shows that biodiversity is already incorporated into agroecosystems in a multitude of ways such as improved crop varieties with functional traits; crop mixtures and dual-purpose crops in monocultures; inter-crops, strip crops or relay crops; cover crops; crop rotations; field margins; landscape diversification; crop-livestock systems; and agroforestry. Emphasis is also given to crop-associated biodiversity above ground and soil biodiversity. The paper highlights that more research is needed to (a) breed crops for multi-cropping systems; (b) improve understanding of how components of diversity interact within or across systems and scales; (c) understand the role of soil biodiversity in soil function; and (d) successfully use crop-associated biodiversity to manage pests and beneficial organisms. In the future, the promotion of agroecological principles should incorporate inputs from crop breeders, agronomists, ecologists and crop protectionists for the benefit of farmers, or such principles will remain aspirational.
农业生态学的支持者越来越多地指责现代农业,特别是单一栽培,因为自然植被和作物遗传多样性的丧失而导致农业生态系统生物多样性的丧失。然而,近年来,自然植被对农业的损失已经放缓,并且由于广泛使用改良作物品种而导致作物遗传多样性损失75%的说法缺乏证据。这篇前瞻性论文的主要目的是识别和分析农业研究中已经开发的多样性种类,包括它们的功能、需求以及与生物多样性相关的特定农业生态要素和原则的相关性。这篇论文表明,生物多样性已经以多种方式被纳入农业生态系统,例如具有功能性性状的改良作物品种;单一栽培的混合作物和双重用途作物;间作、带状作物或转作作物;覆盖作物;作物轮作;领域的利润率;景观多样化;农畜系统;和农林复合经营。重点还放在与作物相关的地上生物多样性和土壤生物多样性上。这篇论文强调,需要更多的研究来(a)培育适合多熟制的作物;(b)增进对多样性组成部分如何在系统和尺度内或跨系统和尺度相互作用的理解;(c)了解土壤生物多样性在土壤功能中的作用;(d)成功地利用与作物相关的生物多样性来管理害虫和有益生物。今后,促进农业生态原则应纳入作物育种家、农艺师、生态学家和作物保护学家的投入,以造福农民,否则这些原则将仍然是理想的。
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引用次数: 0
Measuring what matters: a descriptive participatory case evaluation of a tool for measuring outcomes of assistive technology after acquired brain injury. 衡量重要事项:对后天脑损伤后辅助技术成果衡量工具的描述性参与案例评估。
IF 0.8 3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-09-01 Epub Date: 2023-07-10 DOI: 10.1017/BrImp.2023.11
Natasha Layton, Chris Le Cerf

Acquired Brain Injury (ABI) can lead to the need to plan for housing, assistive technology and support to meet a person's goals. Recent Australian policy reforms have brought about opportunities for person-centred approaches to assistive technology (AT) product selection, and the opportunity for users of supports such as assistive technology and environmental adaptations to describe and measure their own outcomes. My AT Outcomes Framework (MyATOF) is an Australian tool designed for use by AT users and their support networks to articulate supports, outcomes, costs, and service delivery experiences. This article aims (i) report on use of MyATOF in a case study of ABI and AT-enabled housing and (ii) critically evaluate MyATOF tools and administration for this use case from the perspectives of the MyATOF author, an occupational therapist, and a lived experience expert with an ABI. An iterative development and test design was used to adapt the MyATOF administration procedures and conduct a case report evaluation. Results support the relevance of MyATOF conceptual domains, and detailed data about outcomes made possible by an AT-enabled home was captured. Recommendations are made to further refine the questions for ease of use by persons with ABI including simplifying the costing tool and enabling staggered administration. This case report suggests MyATOF can 'measure what matters' for ABI and AT-enabled housing and is worthy of further evaluation.

获得性脑损伤(ABI)可能导致需要对住房、辅助技术和支持进行规划,以实现个人目标。澳大利亚最近的政策改革为以人为本的辅助技术(AT)产品选择方法带来了机遇,也为辅助技术和环境改造等支持服务的用户提供了描述和衡量自身成果的机会。我的辅助技术成果框架(My ATOF)是澳大利亚的一种工具,旨在供辅助技术用户及其支持网络使用,以阐明支持、成果、成本和服务提供经验。本文旨在(i)报告 "我的辅助器具使用成果框架 "在一项关于辅助器具辅助住房的案例研究中的使用情况;(ii)从 "我的辅助器具使用成果框架 "作者、一名职业治疗师和一名有辅助器具使用经验的专家的角度,对 "我的辅助器具使用成果框架 "工具和管理进行批判性评估。我们采用了迭代开发和测试设计来调整 MyATOF 的管理程序并进行案例报告评估。结果证明了 MyATOF 概念域的相关性,并获得了有关智能辅助工具家庭所能带来的成果的详细数据。报告建议进一步完善问题,以方便有自闭症的人士使用,包括简化成本计算工具和实现交错管理。本案例报告表明,MyATOF 可以 "测量 "对有自闭症的人和有辅助器具的住房而言 "重要的东西",值得进一步评估。
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引用次数: 0
Plant breeding is needed to meet agroecological requirements: Legume crops as case study 植物育种需要满足农业生态要求:豆科作物为例研究
3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-09-01 DOI: 10.1177/00307270231195641
Diego Rubiales
Legume-based cropping systems are regaining interest due to the environmental services and the variety of food and feed uses they provide, this having special interest in agroecological systems. There are many legume crops that can be adopted but focused breeding is needed to better meet the specific requirements of each system, especially in the situation of changing climate and often stressful environments. Standard breeding methods remain valid, from classical selection, to genomic assisted-breeding, profiting from the modern biotechnological and genomic approaches which are rapidly developing for most legume crops. Rather than focusing on the tools, emphasis is needed on the breeding targets, which might be different from those of high input agriculture such as improved response to symbiosis, nutrient and water use efficiency and tolerance to biotic and abiotic stresses becoming priorities. Breeding for these traits requires the infusion of genetic diversity from landraces or wild relatives by pre-breeding. Prospects and constraints are discussed.
以豆类为基础的种植系统因其提供的环境服务和粮食和饲料用途的多样性而重新引起人们的兴趣,这对农业生态系统具有特殊意义。可以采用的豆科作物有很多,但需要有针对性的育种,以更好地满足每个系统的具体要求,特别是在气候变化和经常有压力的环境下。标准育种方法仍然有效,从经典选择到基因组辅助育种,受益于现代生物技术和基因组方法,这些方法正在为大多数豆类作物迅速发展。与其把重点放在工具上,不如把重点放在育种目标上,这可能与高投入农业不同,如提高对共生的反应、养分和水的利用效率以及对生物和非生物胁迫的耐受性成为优先事项。这些性状的育种需要通过预育种注入来自地方品种或野生亲缘品种的遗传多样性。讨论了前景和制约因素。
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引用次数: 1
Editorial: Why agroecology? 社论:为什么是农业生态学?
IF 3 3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-09-01 DOI: 10.1177/00307270231200299
Jillian Lenné
During the past 10–15 years, agroecology has grown in prominence in global agricultural discourse based on a belief that it can dramatically transform agrifood systems (Anderson et al., 2021). The concern of proponents of agroecology – that modern agriculture, often referred to as conventional or industrial, has been principally responsible for agroecosystem degradation – has led to calls for agroecology to replace conventional agriculture. As Sumberg and Giller (2022) have observed, the term conventional agriculture has been weaponised. No doubt, overuse of agrochemicals and mono-cropping has led to environmental problems such as pollution, soil erosion and in some circumstances, loss of wild biodiversity. These problems need to be addressed. Yet, paradoxically, the main focus of agroecology promotion is smallholder farmers in less-developed countries where conventional or industrial agriculture is not a common form of farming. Furthermore, this discourse mainly pursues a questionable binary agenda: agroecology versus conventional agriculture. It ignores the fact that hundreds of millions of farmers already deploy a range of good agricultural practices considered to be agroecological. These include crop rotation, intercropping, mixed crop-livestock systems, manure recycling, and integrated pest management, among others, together with conventional technologies such as improved crop varieties, judicious use of agrochemicals and functional biodiversity. For example, mixed crop-livestock systems, considered agroecological even when many deploy conventional technologies, produce around 50% of the world’s food (Herrero et al., 2010). In the past 60 years, food production systems have realized impressive achievements based on sound science, technology and innovations (Evans, 1998; OECD, 2021). As world population more than doubled, global food production has almost quadrupled whilst using only 10%– 15% more agricultural land. This has been achieved through large production increases per unit area of land. Much of global farming responsible for adequately feeding over 7 billion people is based on improved crop varieties and appropriate use of agrochemicals integrated with agroecological approaches. Crucially, the promotion of agroecology should not only be based on environmental and equity issues but also on its ability to continue to ensure food and nutritional security and provide livelihoods for farmers. Although the term agroecology first appeared around a century ago, its meaning has evolved and broadened in the interim period. Wezel and Soldat (2009) provide a useful historical account of the evolution of the term. From the 1930s to the 1960s, agroecology was firmly anchored in the science of crop production and protection. However, from the 1960s onwards, environmental activists motivated agroecological movements and agroecology evolved into a broad mixture of science, practices and movements with different groups and nations placing varying emph
在过去的10-15年里,农业生态学在全球农业话语中越来越突出,因为人们相信它可以极大地改变农业食品系统(Anderson等人,2021)。农业生态学支持者的担忧——现代农业,通常被称为传统农业或工业农业,是农业生态系统退化的主要原因——导致了人们呼吁农业生态学取代传统农业。正如Sumberg和Giller(2022)所观察到的,“传统农业”一词已被武器化。毫无疑问,过度使用农用化学品和单一种植导致了环境问题,如污染、土壤侵蚀,在某些情况下,还导致了野生生物多样性的丧失。这些问题需要解决。然而,矛盾的是,促进农业生态的主要重点是欠发达国家的小农户,在这些国家,传统或工业农业不是一种常见的农业形式。此外,这篇文章主要追求一个有问题的二元议程:农业生态学与传统农业。它忽略了一个事实,即数亿农民已经采用了一系列被认为是农业生态的良好农业做法。其中包括轮作、间作、混合作物畜牧系统、肥料回收和病虫害综合管理等,以及改良作物品种、明智使用农用化学品和功能性生物多样性等传统技术。例如,即使许多人采用传统技术,混合作物畜牧系统也被认为是农业生态系统,生产的粮食约占世界粮食的50%(Herrero等人,2010年)。在过去的60年里,粮食生产系统在健全的科学、技术和创新的基础上取得了令人印象深刻的成就(Evans,1998;经合组织,2021)。随着世界人口增加了一倍多,全球粮食产量几乎翻了两番,而农业用地只增加了10%-15%。这是通过大幅提高单位土地面积的产量来实现的。负责为70多亿人提供充足食物的全球农业,很大程度上是基于改良作物品种和适当使用农用化学品以及农业生态方法。至关重要的是,促进农业生态不仅应基于环境和公平问题,还应基于其继续确保粮食和营养安全以及为农民提供生计的能力。尽管农业生态学一词最早出现在大约一个世纪前,但其含义在这一过渡时期有所演变和扩大。Wezel和Soldat(2009)对该术语的演变提供了有用的历史描述。从20世纪30年代到60年代,农业生态学牢牢地植根于作物生产和保护科学。然而,从20世纪60年代起,环境活动家推动了农业生态学运动,农业生态学演变成了科学、实践和运动的广泛混合体,不同的群体和国家对这三个主要组成部分给予了不同的重视。因此,农业生态学有许多不同的定义,没有国际认可的术语。Biovision农业生态学信息库列出了来自研究界、联合国机构、公共组织和民间社会的23种不同的农业生态学定义。一般来说,研究界更重视农业生态学作为一门科学学科和实践,而民间社会和联合国机构则倾向于强调农业生态学是一场社会运动。关于这个主题的书籍和同行评审期刊文章中也有其他定义。我发现Martin和Sauerborn(2013)的定义:“对与自然过程、人类活动和环境之间的相互作用有关的农业生产的相关方面采取跨学科的方法”最有用。它包括三个核心组成部分:农业、环境和人。总的来说,农业生态学的科学研究主要在发达地区进行,特别是在欧洲,而通过积极的社会动员进行的推广往往集中在欠发达国家,尤其是拉丁美洲,而且越来越多地集中在撒哈拉以南非洲。此外,正如Wezel(2017)所说,“没有一套明确的做法可以被称为农业生态学,也没有明确的、一致同意的农业生态学和非农业生态学之间的界限”。缺乏明确的阈值会造成混乱。例如,一个小农户在间作系统中种植改良的、抗病的和耐旱的谷物和豆类品种,使用农场生产的堆肥和肥料,是否被认为是农业生态的?Altieri等人(2017年)的声明称,“真正的农业生态技术转换对单一种植和对外部投入的依赖提出了质疑”,这进一步引起了人们的怀疑。 尽管农业生态学最初是一门科学学科,60年来一直以农业生态系统生态学为基础,但这门科学,尤其是农业生态学的生态学部分,似乎已经被边缘化了。定义可能会随着时间的推移而变化,但农业生态学一词的显著扩展和不同定义数量的激增,导致人们对农业生态学到底是什么产生了越来越多的疑问
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引用次数: 0
Applying circular economy principles to intensification of livestock production in Sub-Saharan Africa 应用循环经济原则加强撒哈拉以南非洲的畜牧业生产
IF 3 3区 经济学 Q1 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-09-01 DOI: 10.1177/00307270231199116
Alan J. Duncan, Augustine A. Ayantunde, Michael Blummel, Tunde Amole, Varijakshapanicker Padmakumar, Dominic Moran
In the context of sustainable agricultural development, much has been made of the need to apply agroecology or regenerative principles to improve rural livelihoods and to align the sector with critical planetary health boundaries. This movement is a reaction to the perceived private and social costs arising from both production and consumption associated with industrialised agriculture, mostly in upper-income countries, with several default assumptions being apparent about applicability elsewhere. The notion of circularity, or the circular economy, is frequently conflated with agro ecological rhetoric, often overlooking a longer tradition of circular resource use efficiency in traditional mixed crop–livestock farming in low-income settings. This paper examines the concept and origins of circularity and reviews some examples of historic circular economy research within the international agricultural research system as applied to smallholder agriculture. These include (i) studies focusing on the impact of crop residue retention, (ii) work on residue incorporation and/or mulching and their effects on crop yields and soil fertility, (iii) research on the effects of manure use on crop yields and soil fertility and (iv) work on the feeding of crop residues to livestock. We consider some promising innovations or practices adhering to circular economy principles. Candidate innovations focus on the improvement of livestock feeding practices including the breeding of dual-purpose crops to enhance livestock nutrition, conversion of cereal straw residues to high-quality feed, use of cassava waste as livestock feed and use of insects as livestock feed. We conclude by considering how circular bio-economy principles might be maintained in the future evolution of food systems in Sub-Saharan Africa.
在可持续农业发展的背景下,人们非常重视应用农业生态学或再生原则来改善农村生计,并使该部门与关键的全球健康边界保持一致。这一运动是对工业化农业(主要是在高收入国家)的生产和消费所产生的私人和社会成本的反应,其中一些默认假设在其他地方的适用性很明显。循环性或循环经济的概念经常与农业生态修辞混为一谈,往往忽视了低收入环境中传统混合作物-畜牧业中循环资源利用效率的长期传统。本文探讨了循环性的概念和起源,并回顾了国际农业研究体系中应用于小农户农业的历史循环经济研究的一些例子。这些研究包括(i)侧重于作物残留物保留的影响的研究,(ii)关于残留物掺入和/或覆盖及其对作物产量和土壤肥力的影响的工作,(iii)关于粪肥使用对作物产量及土壤肥力的影响的研究,以及(iv)关于将作物残留物喂给牲畜的工作。我们认为一些有前景的创新或实践遵循循环经济原则。候选创新侧重于改进牲畜饲养做法,包括培育两用作物以提高牲畜营养,将谷物秸秆残渣转化为高质量饲料,将木薯废料用作牲畜饲料,以及将昆虫用作牲畜饲料。最后,我们考虑了如何在撒哈拉以南非洲粮食系统的未来演变中保持循环生物经济原则。
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Outlook on Agriculture
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