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Relevant bibliographies by topics / Agricultural Challenges / Dissertations / Theses

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Dissertations / Theses on the topic 'Agricultural Challenges'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Мельник, Леонід Григорович, Леонид Григорьевич Мельник, Leonid Hryhorovych Melnyk, and D. Uchelor. "Challenges of agricultural adaptation to climate change in Nigeria." Thesis, Сумський державний університет, 2013. http://essuir.sumdu.edu.ua/handle/123456789/31649.

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Climate change is one of the most serious environmental threats facing mankind worldwide. It affects agriculture in several ways, including its direct impact on food production. Climate change, which is attributable to the natural climate cycle and human activities, has adversely affected agricultural productivity in Africa When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/31649

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Gala, Xoliswa Masingita Hlubelihle. "Challenges facing LED Agricultural cooperative in the Greater Tzaneen Municipality : a case study of Nkomamonta Primary Agricultural Cooperative in Limpopo." Thesis, University of Limpopo (Turfloop Campus), 2013. http://hdl.handle.net/10386/1015.

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Thesis (M.Dev.) --University of Limpopo, 2013<br>Agricultural cooperatives have been widely promoted as a vehicle for smallholder agricultural development in South Africa. As a result, agricultural co-operative registrations in South Africa are increasing. However, research suggests that South African co-operatives have generally not been effective, successful and functional. This study has investigated the challenges facing agricultural cooperatives in the Greater Tzaneen Municipality. It is expected that identification of these elements may enable institutions that offer support to cooperati

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Mashile, Daphne Mmapabala. "Challenges facing smallholder farmers in accessing credit in Gauteng province: South Africa." Thesis, Nelson Mandela Metropolitan University, 2014. http://hdl.handle.net/10948/7991.

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Credit plays a significant role in agricultural growth, and it is understood that development of credit programmes will have a valuable impact on agricultural production earnings of smallholder farmers. It is also a strategic factor to poverty alleviation. In Gauteng, smallholder farmers source their loans commonly from informal moneylenders. This results in access to formal credit being at a low rate. Results show that low level of education, main occupation, group membership and household income are significant and have encouraging effects on access to credit financial services. The results

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Makhuvha, Musiwalo Jeremiah. "Matabane Secondary Agricultural Co-operative : challenges and opportunities in sustaining enterprise development." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/95595.

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Thesis (MDF)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: In the 19th century, farming in South Africa included vibrant small scale farms that were market responsive and competitive. Legislation enacted in the early 20th century adversely affected these farmers while supporting the development of large commercial farmers. The extensive government support for the White farmers was seen as a mode of increasing national output as well as creating food self-sufficiency, but at the same time, this decreased food security for the Black population. Major changes in the South African governmen

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Kokob, Tesfagergsh Tesfagabr. "The Hamelmalo agricultural college environmental society; an indigenous solution to global challenges." Thesis, Sumy State University, 2014. http://essuir.sumdu.edu.ua/handle/123456789/36295.

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The Hamelmalo agricultural college environmental society (HACES) is a college based organization founded to facilitate the establishment of vital development projects in predominantly rural, disadvantaged communities throughout Eritrea. HACES plays a facilitative role in the process, enabling local communities and neighborhoods who chose to do so, to identify, plan and implement the socio-economic and environmental projects they most need in a democratic manner. This ‘bottom-up’ participatory approach delivers not only projects but training. Communities therefore receive the tools to create t

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6

Milestad, Rebecka. "Building farm resilience : prospects and challenges for organic farming /." Uppsala : Dept. of Rural Development Studies, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a375.pdf.

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Mugwisi, Tinashe. "The information needs and challenges of agricultural researchers and extension workers in Zimbabwe." Thesis, University of Zululand, 2013. http://hdl.handle.net/10530/1204.

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Thesis submitted in fulfilment of the requirements for the award of the Degree of Doctor of Philosophy (Library and Information Science) in the Department of Information Studies at the University of Zululand, South Africa, 2013.<br>Agriculture is the dominant sector in Zimbabwe’s economy, contributing significantly to the Gross Domestic Product (GDP) and providing an income to over 75% of the population. Agricultural research and extension is undertaken in both public and private sector institutions across the five agro-ecological regions of the country. The aim of this study was to investigat

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Raphela, Maropeng Gilmore Matthias. "Smallholder farmers in Ekurhuleni : the challenges and constraints of access to agricultural markets." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/97292.

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Thesis (MDF)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: There is substantial evidence supported by literature that many smallholder farmers can benefit from agricultural markets and commercialisation. This research examines the challenges and constraints that smallholder farmers have to deal with in the study area and what needs to be done to overcome the barriers to market access. An argument was made that identification of these barriers could lead to the necessary interventions and assist in institutional innovation to alleviate market constraints and challenges faced by smal

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Lemma, Solomon Fikre. "The challenges of land law reform, smallholder agricultural productivity and poverty in Ethiopia." Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/71012/.

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Ethiopia has experimented with land law reforms linked to agriculture-led national development strategies that Emperor Haile Sellassie I, Derg, and EPRDF introduced since Emperor Menelik II enacted modern Ethiopia’s first reform intended for development in 1908. Nonetheless, the country’s smallholder productivity averaged 1.0 ton/hectare and its poverty ranked 174th in the UNDP Human Development Index in 2011. This thesis examines whether and how land law reform can be used to help raise smallholder productivity and tackle poverty in Ethiopia notwithstanding the challenges of legal pluralism.

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LaForce, Vanessa. "Legal challenges for developing countries' exports of agricultural food products to the EU." Thesis, Abertay University, 2013. https://rke.abertay.ac.uk/en/studentTheses/9a355197-e5bc-426f-a9c1-45956e732d56.

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This thesis critically examines the increasing complexity and diversity of market access issues for agricultural food products from developing countries (DCs) to the European Union (EU). Agriculture is the sector which receives the most protection from the EU and the trade-distorting measures, employed by the EU to protect its own agricultural market, affect opportunities for DCs in agricultural food trade. These measures are also opposed to the World Trade Organisation’s (WTO) objective of a “fairer and more open multilateral trading system” between the WTO member countries. The EU post-colon

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11

Benson, Amanda. "Reaching rural women : the institutional challenges of introducing gender-sensitive agricultural extension in India." Thesis, Glasgow Caledonian University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549695.

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Despite the high percentage of female farmers involved in Indian agriculture, the extension system has traditionally overlooked their specific farming needs. In India, the transformation of agricultural extension has been strongly influenced by the changing international and national economic, political and social climates. The Indian government has initiated moves toward mainstreaming gender concerns into agricultural extension delivery, but this will be hard to achieve unless there is an improved understanding of how gender issues can be identified and effectively incorporated into agricultu

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Mutshinya, Azwindini Robert. "Challenges facing principals in managing the teaching of agricultural sciences in the FET band." Thesis, University of Zululand, 2018. http://hdl.handle.net/10530/1726.

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A dissertation submitted to the Faculty Of Education in fulfillment of the requirements for the Degree Of Master Of Education in the Department Of Foundations of Education at the University Of Zululand, 2018<br>Principals are facing challenges in managing the teaching of Agricultural Sciences in the FET band, and this leads to some schools phasing out Agricultural Sciences. The aim of this study was to investigate the factors contributing to challenges principals experience in managing the teaching Agricultural Sciences in the FET band. The study adopted mixed methods approach and used quantit

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Atadja, Franklin Komla. "Sustainability Challenges for Maize and Cassava Farmers in Amankwakrom Subdistrict, Ghana." Thesis, Walden University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10243184.

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<p>Agricultural system in Ghana underperformed because of limited financing, which constrained some small-scale maize and cassava farmers. The purpose of this case study design was to explore the methods that some small-scale maize and cassava farmers in Amankwakrom Subdistrict used in obtaining farm financing. Two themes from the literature review were a lack of collateral for small-scale farm financing and the small-scale farmers cooperative associations? role in farm financing. Regional-scale management sustainability index formed the conceptual framework for this study. Data collection inc

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Levchenko, Anna, Inna Savitska, А. О. Левченко, and І. М. Савіцька. "The current challenges of reproduction of the human capital in the agricultural sector of Ukraine." Thesis, Ексклюзив-Систем, 2016. http://dspace.kntu.kr.ua/jspui/handle/123456789/3637.

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Masindi, Mphedziseni Moses. "The impact of child labour in agricultural sectors in the Vhembe Region : issues and challenges." Thesis, University of Limpopo, 2015. http://hdl.handle.net/10386/1409.

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Thesis (LLM. (Labour Law)) --University of Limpopo, 2015<br>This mini-dissertation deals with the impact of child labour in the Vhembe Region. Africa reportedly has the highest incidence of child labour in the world. Vhembe as a region and South Africa as a whole has the problem of child labour which is influenced by poverty. To respond to this problem, some scholars recommend an outright ban on child labour through legislation. Child labour refers to dangerous and exploitative work which is carried out at too early an age, involves long working hours, carried out in inadequate conditio

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Masindi, M. M. "The impact of child labour in agricultural sectors in the Vhembe Region : issues and challenges." Thesis, University of Limpopo, 2015. http://hdl.handle.net/10386/1449.

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This mini-dissertation deals with the impact of child labour in the Vhembe Region. Africa reportedly has the highest incidence of child labour in the world. Vhembe as a region and South Africa as a whole has the problem of child labour which is influenced by poverty. To respond to this problem, some scholars recommend an outright ban on child labour through legislation. Child labour refers to dangerous and exploitative work which is carried out at too early an age, involves long working hours, carried out in inadequate conditions, not sufficiently paid, involves excessive responsibility

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Barro, Maimouna. "Three essays on challenges facing agriculture in developing countries." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2024. http://www.theses.fr/2024UCFA0004.

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L’agriculture occupe une place prépondérante dans l’économie des pays en développement où la majeure partie de la population réside en milieu rural et dépend de l’agriculture et des systèmes alimentaires pour leur subsistance. Cette population est par ailleurs confrontée à de nombreux défis tels que le changement climatique, la pauvreté, la dégradation de l’environnement ou l’insécurité alimentaire. L’objectif de la thèse est d’apporter un nouvel éclairage sur les enjeux liés à l’agriculture afin d’en déduire des recommandations de politiques économiques. La thèse comprend trois chapitres. Le

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Zaychenko, V., Inna Savitska, В. В. Зайченко, and І. М. Савіцька. "The Current State And Challenges Of Reproduction Of The Human Capital In Agricultural Sector Of Ukraine." Thesis, Baltija Publishing, 2016. http://dspace.kntu.kr.ua/jspui/handle/123456789/3891.

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Ludlow, Karinne Anne. "Which little piggy to market? : legal challenges to the commercialisation of agricultural genetically modified organisms in Australia." Monash University, Faculty of Law, 2004. http://arrow.monash.edu.au/hdl/1959.1/5489.

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GIOE', MAURO. "International Agricultural Trade and Economic Development in Sub-Saharan Africa Past Lessons, Current Trends and Future Challenges." Doctoral thesis, Università Cattolica del Sacro Cuore, 2008. http://hdl.handle.net/10280/222.

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GIOE', MAURO. "International Agricultural Trade and Economic Development in Sub-Saharan Africa Past Lessons, Current Trends and Future Challenges." Doctoral thesis, Università Cattolica del Sacro Cuore, 2008. http://hdl.handle.net/10280/222.

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Khapayi, Musa. "Agribusiness challenges to effectiveness of contract farming in commercialisation of small-scale vegetable farmers." Thesis, Nelson Mandela University, 2017. http://hdl.handle.net/10948/13981.

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The spread of contract farming in South Africa in recent years has provoked an ideological debate in literature. Linking small-scale vegetable farmers with lucrative agricultural markets through agribusiness value chains is seen as one of the foremost emerging agricultural practices to develop the subsistence farming sector into a mainstream economic sector – thereby revitalising the rural economy and alleviating poverty levels in the developing rural areas of South Africa. However, the challenges agribusiness and small-scale farmers experience in contract farming engagement and the prospects

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Kendall, Linus. "Opportunities, constraints and challenges to the introduction of ICT services for sustainable agricultural development in West Bengal, India." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-169714.

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The application of information and communication technology (ICT) in socioeconomic development often referred to as “ICT for development” (ICT4D) is an increasingly relevant concern both academically as well as within development organisations on all levels. This master thesis project has explored opportunities, constraints and challenges to designing and implementing mobile phone based ICT services for an organisation working with sustainable agricultural development in West Bengal, India. Through a participatory design process with smallholding farmers a simple, low-cost platform for proto

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Matlou, Ntebatse Yvonne. "Challenges faced by emerging farmers in the managing projects towards sustainable agricultural development in Capricorn District, Limpopo Province, RSA." Thesis, University of Limpopo, 2018. http://hdl.handle.net/10386/2392.

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Thesis (M. Dev.) -- University of Limpopo, 2018<br>The research investigated the challenges faced by emerging farmers in managing projects towards sustainable agricultural development in Capricorn District. The literature established the importance of project management in the context of sustainable agricultural development. In this regard, it was found that it is of extreme importance to support emerging farmers in managing agricultural projects where emerging farmers are engaged through a participatory approach in decision making processes for sustainable agricultural development. Further

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Skepe, Siphelo. "Evaluation of the financial challenges faced by contract farmers in achieving transformation in the agricultural sector in South Africa." Master's thesis, Faculty of Commerce, 2021. http://hdl.handle.net/11427/33043.

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Access to finance is an essential factor in the agricultural value chain and enables participants to purchase essential inputs and infrastructure (e.g. machinery and land) necessary for the production process, grading, processing, packaging and distribution of their produce. Finance is also required where there are specific regulatory requirements (such as licencing and certification) to which a participant must adhere, and these may differ from commodity to commodity. With this in mind, it is clear that any farming enterprise that wishes to enter and participate in the agricultural sector wil

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Lukas, Katharine D. "The Supply Chain Of Fair Trade Coffee: Challenges, Opportunities & The Future Inside A Troubled Industry." ScholarWorks @ UVM, 2015. http://scholarworks.uvm.edu/graddis/441.

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What started as a grassroots effort to aid tradespeople in developing nations, Fair Trade and similar certification models have, over the last sixty years, successfully established themselves as a viable alternative to conventional international trade; the ongoing growth of their market share and volume emphasize the increasing market demand for these alternatives. For coffee, Fair Trade's oldest and most established commodity, over two billion pounds was sold as certified in 2012 alone and the percentage of certified coffee continues to grow in share each year (Volcafe, 2012, Fair Trade USA 2

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Valogiannis, Elias. "The difference in agricultural production cost among European and non-European countries : potato and tomato : market challenges for import-export." Thesis, Middlesex University, 2012. http://eprints.mdx.ac.uk/9053/.

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The complicated world of fresh fruits and vegetables commerce has inspired me to proceed with this project. The main topic of this research is the production cost of tomato and potato which are the highest- in consumption -vegetables in the Greek market. The study is focused on Greek production versus rest countries around it (European and non European countries) which export these products under specific circumstances. By stating European countries, it is implied that the countries are laid geographically in European continent and they are included in the European Monetary Union. In non Europ

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von, Hobe Cord-Friedrich [Verfasser]. "21st Century Challenges in Arable Farming - Essays on the Agricultural Land Market and Drone Adoption in Germany / Cord-Friedrich von Hobe." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2021. http://nbn-resolving.de/urn:nbn:de:gbv:7-21.11130/00-1735-0000-0008-5903-1-0.

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Harman, Luke. "Cross-sector insights into the challenges of targeting and crowding-out in agricultural and health voucher subsidy schemes : an economic analysis." Thesis, SOAS, University of London, 2016. http://eprints.soas.ac.uk/23679/.

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Wassajja, Emmy [Verfasser], and Regina [Akademischer Betreuer] Birner. "Governance challenges in post-conflict agricultural recovery programs in Northern Uganda : a comparative study of the Northern Uganda Social Action Fund (NUSAF) and the National Agricultural Advisory Services (NAADS) / Emmy Wassajja ; Betreuer: Regina Birner." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2017. http://d-nb.info/1131163745/34.

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Secor, William Glen. "Two Essays on Evaluation Challenges in Integrated Pest Management: An Evaluation Design for the Onion ipmPIPE and Identifying Women's Crops and Agricultural Technologies." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/32123.

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The two papers in this thesis are aimed at solving problems in Integrated Pest Management project, practice, and program evaluations. In the first paper, an evaluation design is constructed for the Onion ipmPIPE website, an onion pest information website. The Bayesian decision theoretic approach may not accurately model onion growers' pest management decisions throughout the season. Randomization of the treatment is possible, but an incomplete grower list proved to be a problem. The analysis shows that an instrumental variables approach may be the most appropriate method for estimating the imp

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Steyn, Cornelia Johanna. "Exploring ethical challenges, climate change and implications on land and water use within the agricultural sector of the Garden Route, Western Cape, South Africa." Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85635.

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Thesis (MPhil)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Climate change creates both risks and opportunities worldwide. By understanding, planning for and adapting to a changing climate, individuals and societies can take advantage of these opportunities and reduce risks where possible. The consequences of climate variability and climate change are potentially more significant for activities that depend on local weather and climatic conditions. The Garden Route in the Western Cape (southern region), is an agricultural region that is vulnerable to the impacts of climate change and cl

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Barreto-Munoz, Armando. "Multi-Sensor Vegetation Index and Land Surface Phenology Earth Science Data Records in Support of Global Change Studies: Data Quality Challenges and Data Explorer System." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/301661.

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Synoptic global remote sensing provides a multitude of land surface state variables. The continuous collection, for more than 30 years, of global observations has contributed to the creation of a unique and long term satellite imagery archive from different sensors. These records have become an invaluable source of data for many environmental and global change related studies. The problem, however, is that they are not readily available for use in research and application environment and require multiple preprocessing. Here, we looked at the daily global data records from the Advanced Very Hig

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Yan, Huijie. "Challenges of China’s sustainability : integrating energy, environment and health policies." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM1092.

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Dans le but de faire face aux défis interdépendants en termes d’épuisement des ressources énergétiques, de dégradation environnementale et des préoccupations de santé publique dans le contexte chinois en réponse au développement durable, nous nous concentrons sur l'étude des politiques en matière d’énergie, d’environnement et de santé en Chine. Dans le chapitre 1, nous donnons un aperçu des politiques chinoises en matière d’énergie, d’environnement et de santé au cours des 20 dernières années afin de connaître les orientations politiques futures auxquelles le gouvernement n'a pas donné une att

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Cahyono, Edi Dwi. "Challenges Facing Extension Agents in Implementing the Participatory Extension Approach in Indonesia: A Case Study of Malang Regency in the East Java Region." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1404402942.

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Didenko, Anton. "Challenges to effective treaty-making in contemporary transnational commercial law : lessons from the Cape Town Convention." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:a7574e4c-6c4a-4855-9dc4-0c689b32c936.

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This thesis is the first detailed and comprehensive research of the history of the 2001 Convention on International Interests in Mobile Equipment (the 'Convention' or 'CTC') and its protocols. It is submitted that the quality of response to the various challenges of the treaty-making process can serve as a measure of a convention's success, and that the unique characteristics of the CTC make it a prime target for such research. The author identifies and analyses the most problematic issues in the process of development of the Convention and its protocols, including the latest draft protocol on

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Shange, Nikiwe. "Analysis of the challenges and opportunities for smallholder farmer value chain integration in the Western Cape : a public and private sector organisation perspective." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96179.

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Thesis (MBA)--Stellenbosch University, 2014.<br>Access to markets is an essential requirement for smallholder farmer development. The limited access to formal value chains for smallholder farmers in South Africa is a key challenge that is facing both public and private value chain actors. Despite the substantial investments by government, the performance of smallholder farmers in South Africa remains poor. Several studies have been done to understand the key challenges facing smallholder farmer value chain integration. This study takes a unique view by understanding the challenges and opportun

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Casten, Carlberg Carl Johan, and Elsa Jerhamre. "Artificial Intelligence in Agriculture : Opportunities and Challenges." Thesis, Uppsala universitet, Avdelningen för datorteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-443576.

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Artificial Intelligence (AI) is increasingly used in different parts of society for providing decision support in various activities. The agricultural sector is anticipated to benefit from an increased usage of AI and smart devices, a concept called smart farming technologies. Since the agricultural sector faces several simultaneous challenges, such as shrinking marginals, complicated pan-European regulations, and demands to mitigate the environmental footprint, there are great expectations that smart farming will benefit both individual farmers and industry stakeholders. However, most previou

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McGinley, Susan. "Beef Faces Multiple Marketing Challenges." College of Agriculture, University of Arizona (Tucson, AZ), 1993. http://hdl.handle.net/10150/295740.

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Gersfelt, Birgitte. "Developing country agriculture and international trade : impact and future challenges /." Copenhagen, 2007. http://www.gbv.de/dms/zbw/540234249.pdf.

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Kay, Adrian. "The MacSharry reforms of the Common Agricultural Policy : a challenge to public choice theory." Thesis, University of Nottingham, 1997. http://eprints.nottingham.ac.uk/11838/.

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This thesis draws on the insights of economics, political economy and political science to study the MacSharry reforms of the CAP enacted in May 1992. It has two objectives. First, to understand the MacSharry reforms in terms of why they happened, when they did and in the form that they did. Second, to develop a more general framework for the interpretation of CAP reforms. The thesis is in two parts. In the first, the public choice paradigm of decision-making systems is introduced as an alternative to neo-classical agricultural economics. It is employed to generate three frameworks of CAP refo

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Amprako, Louis Kwaku [Verfasser]. "Challenges to ecosystem services of sustainable agriculture in West Africa / Louis Kwaku Amprako." Kassel : Universitätsbibliothek Kassel, 2020. http://d-nb.info/1225378591/34.

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Lago, Isabella <1995&gt. "Agriculture Knowledge and Innovation Systems in Veneto Region: an overview and future challenges." Master's Degree Thesis, Università Ca' Foscari Venezia, 2021. http://hdl.handle.net/10579/18792.

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Il mio elaborato finale riguarda il Sistema della conoscenza e dell’innovazione in agricoltura (AKIS) nel contesto regionale, nazionale ed europeo. Il trasferimento di conoscenza e l’innovazione in agricoltura hanno e mantengono un ruolo fondamentale per lo sviluppo del settore agricolo e agroalimentare in Europa e in Italia. Questo studio ha come obiettivo ultimo quello di aiutare la Regione Veneto (dove sto svolgendo un tirocinio curriculare presso la Direzione Agroalimentare) nel formulare nuove azioni e nuove strategie nel Sistema della conoscenza e dell’innovazione in agricoltura. In pr

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Flygare, Sara. "The Cooperative Challenge : Farmer Cooperation and the Politics of Agricultural Modernisation in 21st Century Uganda." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Universitetsbiblioteket [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7277.

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Vergunst, Petra. "Liveability and ecological land use : the challenge of localisation /." Uppsala : Dept. of Rural Development Studies, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a373.pdf.

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Parker, Lucinda J. "Agroterrorism risk communication : challenges and implications for communicators /." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Mar%5FParker.pdf.

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Thesis (M.A. in Security Studies (Homeland Security and Defense)--Naval Postgraduate School, March 2005.<br>Thesis Advisor(s): Christopher Bellavita. Includes bibliographical references (p. 41-44). Also available online.

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Powell, Ryan R. "Outback Nevada| Public Domain and Environmental Challenge." Thesis, University of Nevada, Reno, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10633860.

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<p> With the arrival of Euro-Americans to Nevada, settlers and travelers experienced struggles and opportunities on Nevada’s marginal lands. These lands did not fit well with Euro-American ideas of progress and resource-use throughout the second part of the nineteenth century. After 1848, these marginal lands became part of America’s public domain with little promise for permanent settlements. Between 1860 and 1905, Euro-Americans imposed unsustainable land-uses on Nevada’s marginal lands. Due to increased competition on limited rangelands, federal land managers working for t

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Dennehy, Timothy J., Benjamin A. DeGain, Virginia S. Harpold, et al. "New Challenges to Management of Whitefly Resistance to Insecticides in Arizona." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/215014.

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We report on susceptibility to insecticides of whiteflies (Bemisia tabaci) collected from cotton, melons and ornamental plants during the 2004 season. No major problems with field performance of insecticides against whiteflies were observed or reported in 2004 in Arizona cotton, vegetables, or melons. However, monitoring revealed further statewide reduction in susceptibility to pyriproxyfen (Knack®) and showed that whiteflies possessing pyriproxyfen resistance could be detected in all low desert areas of the state. Susceptibility to buprofezin (Applaud®/Courier®) has not changed significantly

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Stolt, Althén Ida. "Sustainability evaluation : challenges smallholding coffee farmers confronting in Colombia." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-78410.

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Smallholding coffee farmers in Colombia face many obstacles to satisfy their needs due to a changed climate, a low coffee price and the lack of saved financial capital, that in turns creates a vulnerability to unpredictable events. An increased sustainability in those smallholding systems could therefore be crucial. The objectives of this study were to identify sustainability constraints experienced by smallholding coffee farmers among two cooperatives in Colombia. Likewise to explore the usefulness of FAO:s sustainability tool “Sustainability Assessment of Food and Agriculture Systems (SAFA)”

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Pituello, Chiara. "Soil carbon management for future challenges in agriculture: the role of crop residues and biochar." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3424815.

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Soil loss of organic carbon is a widely recognised global threat. In this view, the study on management practices which precisely focus on soil C is a pressing need for the research community. The incorporation of crop residues at the end of the growing season to reintegrate organic matter losses has been currently jeopardised by their alternative use for bioenergy (mostly biogas production). In north-eastern Italy the fast spread of biogas production has generated two major drawbacks: firstly it has deprived soils from an important source of organic carbon utilizing plant parts which would ot

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