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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
271

Qualitätssicherungssysteme in der Ernährungsbranche / Quality Assurance Systems in the Food Sector

Jahn, Gabriele 11 November 2005 (has links)
No description available.
272

Einfluss von ökologischem Landbau und Landschaftskomplexität auf die Wirbeltierdiversität und Ökosystemfunktionen / Effects of farming practice and landscape complexity on vertebrate diversity and ecological functioning in agroecosystems

Fischer, Christina 20 May 2010 (has links)
No description available.
273

Tiergesundheit in der ökologischen Milchviehhaltung - Status quo sowie (Weiter-) Entwicklung, Anwendung und Beurteilung eines präventiven Konzeptes zur Herdengesundheitsplanung / Animal health in organic dairy farming - Health state as well as development, application and evaluation of a preventive herd health planning concept

March, Solveig 17 February 2011 (has links)
No description available.
274

Effizienzanalyse im ökologischen Landbau / Bestandsaufnahme, empirische Analyse und agrarpolitische Schlussfolgerungen / Efficiency analysis in organic farming / Status, empirical analysis and political conclusions

Lakner, Sebastian 27 January 2010 (has links)
No description available.
275

Tiergesundheit in der ökologischen Milchviehhaltung - Status quo sowie (Weiter-) Entwicklung, Anwendung und Beurteilung eines präventiven Konzeptes zur Herdengesundheitsplanung / Animal health in organic dairy farming - Health state as well as development, application and evaluation of a preventive herd health planning concept

Brinkmann, Jan 17 February 2011 (has links)
No description available.
276

Appropriate institutional and contractual arrangements for the marketing of organic crops produced by members of the Ezemvelo Farmers' Organisation in KwaZulu-Natal.

Gadzikwa, Lawrence. January 2010 (has links)
The Ezemvelo Farmers’ Organisation (EFO) is a certified organic smallholder group in KwaZulu-Natal province (South Africa) that exists as an institution to improve smallholder access to niche markets by reducing unit production and transaction costs. The study is motivated by the need to understand drivers of collective action, prevalence of internal group free-riding, and the impact of contract terms on contract performance. These three theoretical concepts are pertinent in understanding organisational and institutional issues affecting the performance of smallholder organic farming groups and in formulating policies to promote the performance of such groups. The study relies on the theoretical foundations of collective action, free-riding and contracts found within the realm of New Institutional Economics (NIE). These theories, though separate, are in fact related in certain respects. Collective action in smallholder groups, apart from being a function of a plethora of socio-economic factors, including transaction costs, could be constrained by free-riding within the group, which in turn could be influenced by flawed contractual arrangements. This study of collective action focuses on 200 farmers drawn from a sample survey of 49 non-EFO members, and a census survey of 103 partially certified and 48 fully certified EFO members. A ‘collective action’ model investigates the impact of perceived benefits and savings on production and transaction costs attributed to collective action by drawing comparisons between EFO members and non-members using a multinomial logit model. The study of free-riding uses data from 151 members of the EFO to construct an index of free-riding within the group using principal components analysis (PCA). A ‘contract model’, which also focuses on EFO members only, attempts to measure the impact of verbal contract provisions on contract performance in addition to evaluating the determinants of preferred contract terms using a combination of PCA, Ordinary Least Squares (OLS) regression, and logit models. Results indicate that continued participation in EFO is not influenced by the age or gender of the farmer, but positively influenced by growth in the net benefits of participation, and negatively by an increase in the size of the household’s cropland or on-farm earnings. With respect to production and transaction costs, the results suggest that EFO has reduced fully certified members’ concerns that crops would be damaged by livestock or constrained by inadequate technical information. However, this is not the case for other problems such as price uncertainty in conventional markets, a lack of affordable operating inputs, a lack of affordable transport, and a lack of communications infrastructure. The index of free-riding behaviour constructed using principal components analysis suggests that free-riding poses a serious threat to EFO’s collective marketing efforts. Ordinary Least Squares regression analysis of the index scores shows that members who are male, poorly educated, partially certified, aware of loopholes in the grading system, and who do not trust the buyer are more likely to free-ride. Benefits accruing to EFO members are limited and there is substantial confusion among members about the terms of EFO’s verbal contract with the pack house that purchases their organic produce. Ordinary Least Squares regression analysis of the impact that perceived contractual terms have on quantities delivered to the pack house yielded interesting findings. Perceptions that delivery calls are made by the buyer, that grading procedures are flawed and that prices are not jointly established were found to reduce quantities delivered to the pack house, after controlling for differences in farm and farmer characteristics. Logit models estimated to identify the determinants of preferred contract clauses indicate that farmers with higher levels of formal education and farm income, and lower levels of experience, favour a written contract over a verbal contract. Similarly, farmers with higher levels of formal education and lower levels of family farm labour favour a contract denominated by area rather than weight. It is concluded that EFO should recruit households that rely on farming for income and which are land constrained. EFO is more likely to survive if it continues to secure fully subsidised information, transport, fencing, and certification services for its members, and if it improves the benefits of participating by synchronising harvest and delivery dates, negotiating price discounts for organic inputs, and by maintaining an office with telephone, fax and postal services. In the longer-term, EFO should address institutionalised free-riding by issuing tradable ownership rights. In the short-term, EFO must engage with the pack house (buyer) to remove flaws in the grading process that conceal the origin of low quality produce. Transparent and mediated negotiations leading to an incentive compliant contract with the buyer may also help to build trust and reduce free-riding within EFO. It is also recommended that the terms of EFO’s contract with the pack house should be revised so that; (a) delivery calls can be made by either the pack house or by EFO during specified periods and with reasonable notice, and (b) grading procedures are fully transparent and ensure traceability so that losses caused by poor quality can be internalised to members who deliver inferior produce. In addition, it is important that prices be negotiated at the beginning of each season and that the contractual parties have recourse to pre-agreed facilitators and an arbitrator to resolve disputes on price and quality. A written contract is recommended to support these more complex terms, with the proviso that the contract is explained to current and prospective members, and that growers are fully informed of their rights and obligations. / Thesis (Ph.D.)-University of KwaZulu-Natal, Pietermaritzburg, 2008.
277

Analyzing organic farming training in the curriculum of the University of KwaZulu-Natal, Pietermaritzburg.

Polepole, John Sanzimwami. January 2010 (has links)
The study was conducted in the province of KwaZulu-Natal, in the town of Pietermaritzburg, at the University of KwaZulu-Natal. The aim of the research was to analyse to what extent organic farming is part of the curriculum at the University of KwaZulu-Natal (UKZN) in the Faculty of Science and Agriculture. The objectives of the study consisted of determining what is currently offered in terms of organic farming or sustainable agriculture; identify what the perceptions of students and lecturers are about organic farming; and identify the challenges faced by academics and stakeholders in organic farming. The research method used to achieve the objectives was qualitative; it was done through interviews, site visits and observations. The data analysis used Microsoft Excel and SPSS (Statistical Package for Social Sciences) for interpretation and coding. This process was based on the data analysis spiral, as described by Creswell (1998) cited in Leedy and Ormrod (2005). The research found that in the UKZN current curriculum there is a presence of modules dealing with organic farming to a small extent. The perceptions of academic staff concerning organic farming were related to sustainability, environmental protection, use of alternative methods for food production, human health protection and knowledge for future generations. Organic farming was regarded as a crucial approach on different levels, including food security, environment, economy and market. The challenges in organic farming field are more related to costs involved in production, lack of interest or awareness, yield production (very poor and not competitive); limited career opportunities; lack of expertise in the organic domain, lack of government support and intense competition with chemical companies. The research recommends an enhancement of organic farming training in the curriculum at UKZN/PMB; involvement of students in developing the curriculum; government support for organic agriculture; more research exploring the merits and disadvantages of organic farming; assessment of farmers’ knowledge and skills in marketing; initiation of partnerships between organic farmers, processors, retailers; and government, to study a range of issues related to organic farming. / Thesis (M.Agric.)-University of KwaZulu-Natal, Pietermaritzburg, 2010.
278

Organic farming: an institutional ethnography

Wagner, Katherine 29 April 2008 (has links)
This thesis investigates challenges to promoting socially just, locally focused agriculture faced by the organic certification program that now regulates organic farming in British Columbia. This inquiry into how organic certification works is conducted as an institutional ethnography. Institutional ethnography is the methodological foundation of Dorothy Smith’s feminist sociology for people. For the institutional ethnographer, ordinary daily activity is the site for investigation of social organization. Small scale organic farmers who are committed to sustainable, socially and ecologically just agriculture offer a critical standpoint from which to explicate extra-local text mediated ruling relations. This inquiry draws on data from open-ended interviews with farmers and an independent organic certification inspector. From these accounts I begin to address how it is that BC’s organic farming certification program actually enters into and reconstitutes the everyday work of farmers and inspectors. From my findings I argue that corporate interests and a focus on global free trade in organic produce and products increasingly guide the institutional structure of organic certification programs. This in turn moves organic farming out of local, farmer control.
279

Organic farming: an institutional ethnography

Wagner, Katherine 29 April 2008 (has links)
This thesis investigates challenges to promoting socially just, locally focused agriculture faced by the organic certification program that now regulates organic farming in British Columbia. This inquiry into how organic certification works is conducted as an institutional ethnography. Institutional ethnography is the methodological foundation of Dorothy Smith’s feminist sociology for people. For the institutional ethnographer, ordinary daily activity is the site for investigation of social organization. Small scale organic farmers who are committed to sustainable, socially and ecologically just agriculture offer a critical standpoint from which to explicate extra-local text mediated ruling relations. This inquiry draws on data from open-ended interviews with farmers and an independent organic certification inspector. From these accounts I begin to address how it is that BC’s organic farming certification program actually enters into and reconstitutes the everyday work of farmers and inspectors. From my findings I argue that corporate interests and a focus on global free trade in organic produce and products increasingly guide the institutional structure of organic certification programs. This in turn moves organic farming out of local, farmer control.
280

Vliv produkčních procesů při chovu hospodářských zvířat na emise CO2 / The impact of production processes on emission of CO2 in livestock raising

MAKRLÍKOVÁ, Kateřina January 2011 (has links)
This theses fokus on the enviromental impact of livestock raising cycle (cattle, pigs and poultry). Energetical costs and emissions caused by livestock fattening are counted including processing and transport of the final product ? meat. Conventional and organic farming were compared as well as different forms of housing. SIMA Pro software tool was used for obtaining the emission load. The aim of the work was to find which form of livestock raising has the least environmental impact. This work was created in the European Union internatiponal project M00080-EUS-AT-SUKI Sustainable Kitchen focusing on the emission load of substantial links of vertical production chain.

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