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Thèses sur le sujet « Organic farming »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 25 juillet 2025

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1

Szeremeta, A. "Organic farming policy in Poland." Thesis, Вид-во СумДУ, 2006. http://essuir.sumdu.edu.ua/handle/123456789/11803.

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Huxham, Sally. "Organic conversion strategies for stockless farming." Thesis, University of Nottingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289080.

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Law, Derek M. "ECOLOGICAL WEED MANAGEMENT FOR ORGANIC FARMING SYSTEMS." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_theses/414.

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Two field studies examining direct ecological weed control practices were conducted in Lexington, Kentucky. The first evaluated weed control efficacy and influence on yields of several mulches in two organically-managed bell pepper (Capsicum annum) production systems for two years. Peppers were planted in double rows in flat, bare ground or on black polyethylene-covered raised beds with drip irrigation, and four mulches (straw, compost, wood chips, and undersown white dutch clover (Trifolium repens L.) living mulch) were applied to the two production systems. In both years, polyethylene-covere

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4

Meyer, Hermann Markus Hanns-Erhard. "Competition between technologies : convential versus organic farming." Thesis, University of Cambridge, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319902.

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5

Wiegel, Whitney J. Artz Georgeanne M. "Adoption of organic farming systems in Missouri." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/5342.

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The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed January 20, 2010). Thesis advisor: Dr. Georgeanne Artz. Includes bibliographical references.

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6

Clunies-Ross, Tracey. "Agricultural change and the politics of organic farming." Thesis, Online version, 1990. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.256832.

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7

Veron, Émilien. "Incentives and spatial heterogeneity on organic farming development." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAB005.

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Cette thèse étudie le rôle de l'hétérogénéité des territoires dans le développement de l'agriculture biologique (AB) en France. Le chapitre 1 identifie des facteurs spatiaux permettant de comprendre l'inégale répartition des terres en AB. Le chapitre 2, par l'étude de la politique d'Aire d'Alimentation de Captage, permet d'observer les dynamiques locales des pratiques agro-environnementales. Le chapitre 3 mesure la valeur accordée à la pratique AB sur le marché foncier agricole entre 2015 et 2021<br>This thesis examines the role of spatial heterogeneity in the development of organic farming (O

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8

Eades, Daniel C. "Identifying spatial clusters within U.S. organic agriculture." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4716.

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Thesis (M.S.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains viii, 83 p. : ill. (some col.), maps. Includes abstract. Includes bibliographical references (p. 79-83).

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9

Williams, Stephen. "Soil transformations of added organic matter in organic farming systems and conventional agriculture." Thesis, University of Aberdeen, 1996. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU083669.

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The aim of this work was to assay the effects of previous history of organic amendment to soils in the field on the ability of those soils to mineralise mustard, a non-legume green manure. Soil and 15N labelled mustard mineralisation was followed in laboratory microcosms. Volatilised N was assayed by direct acid trapping of N in glass fibre disks, followed by direct combustion isotope ratio mass spectrometry. Animal manures, green manures and straw added to the soil in the field in the previous season, same season and for 7 years continuously did not significantly affect these soils' ability t

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10

Sanders, Ian. "Factors affecting symbiotic nitrogen fixation in organic farming systems." Thesis, University of Edinburgh, 2003. http://hdl.handle.net/1842/27337.

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Nitrogen (N) fixation by white clover (Trifolium repens L.) was measured in the ley phases of three experimental organic ley-arable rotations at two sites, between 1997 and 2000, using the 15N dilution technique. Soil nitrate-N, ammonium-N, and total soluble N were measured at one of the sites between 1999 and 2001. Variation of soil N was assessed in different ages of ley, year, month, rotation, site and microsite type (grass or clover). Data for soil pH, organic matter, P, K, and Mg, was also compared, as was weather data for the period. Variation of N fixation, grass and clover dry matter,

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11

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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12

Tashi, Sonam [Verfasser]. "The Prospects of Organic Farming in Bhutan / Sonam Tashi." Bonn : Universitäts- und Landesbibliothek Bonn, 2015. http://d-nb.info/1079323805/34.

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13

Bulson, Hugh A. J. "Intercropping wheat with field beans in organic farming systems." Thesis, University of Reading, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304585.

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14

Ruto, Christopher Kiptanui. "Lamb and wool production in an organic farming system." Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3839.

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Thesis (M.S.)--West Virginia University, 2005<br>Title from document title page. Document formatted into pages; contains vii, 51 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 46-51).

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15

Suen, Wing-han Cecilia. "Visitor centre in an organic farm." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25946250.

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16

McNab, Philip R. ""Planting Wholesome Seeds"| Organic Farming and Community Supported Agriculture at Sweetwater Organic Community Farm." University of South Florida, 2013.

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17

Mcnab, Philip R. ""Planting Wholesome Seeds": Organic Farming and Community Supported Agriculture at Sweetwater Organic Community Farm." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4370.

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Sweetwater Organic Community Farm is an organic farm and environmental education center located in Tampa, Florida. The farm employs the community supported agriculture (CSA) model, in which members pay a single fee before the growing season begins and receive a weekly or biweekly share of the ongoing harvest in return. Using multiple ethnographic methods, this research aimed to understand the daily operations at Sweetwater as well as the perceptions of staff and CSA members. Findings indicated that there were myriad perceived advantages of organic agriculture but also imposing challenges that

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18

Buchanan, Nancy P. "Organic poultry production and forage digestibility." Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4309.

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Thesis (M.S.)--West Virginia University, 2005.<br>Title from document title page. Document formatted into pages; contains vii, 73 p. : ill. (some col.). Includes abstract. Includes bibliographical references.

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19

Austin, Stephanie Elizabeth. "Subscription farming : a study of an alternative agricultural system /." Title page, table of contents and abstract only, 1993. http://web4.library.adelaide.edu.au/theses/09ENV/09enva937.pdf.

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20

Reeve, Jennifer Rose. "Soil quality, microbial community structure, and organic nitrogen uptake in organic and conventional farming systems." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Summer2007/j_reeve_071207.pdf.

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21

Tsymbalista, N. A. "Peculiarities of Implementing Environmental Innovations in Organic Farming in Ukraine." Thesis, Sumy State University, 2016. http://essuir.sumdu.edu.ua/handle/123456789/49459.

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The development of environmentally-oriented farming systems and management in the agricultural sector is an objective necessity in modern terms, since the implementation of innovative technologies in agricultural activity is often accompanied by exceeding the maximum permissible limits for intensification of production of different directions. Organic agricultural production has become widely spread in the world in recent years. Ukraine also has great potential for development of this area of farming. So, starting with 2000s the organic products market capacity has been rapidly growing.

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22

Prigg, David B. "DESIGN OF A HYDRAULICALLY-ACTUATED HEXAPOD ROBOT FOR ORGANIC FARMING." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1588002562729248.

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23

Kullaj, Endrit <1976&gt. "Organic farming policies for a sustainable development of rural Albania." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/432/1/Kullaj-Thesis-XIX_Cycle-Int_Coop-04-07.pdf.

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Kullaj, Endrit <1976&gt. "Organic farming policies for a sustainable development of rural Albania." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/432/.

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25

Cody, Sacha. "Exemplary Agriculture: Organic Farming and Urban/Rural Space in China." Phd thesis, Canberra, ACT : The Australian National University, 2016. http://hdl.handle.net/1885/110547.

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Exemplary agriculture is a grassroots alternative food movement in Shanghai, China and the surrounding countryside. At the movement’s centre are a group of 13 independent and small-scale organic farmers. This thesis outlines the movement’s formation and functioning, and discusses participants’ motivations and objectives. It also identifies relationships between movement activists and intellectuals, rural residents, volunteers on the farms and customers in the city. Exemplary agriculture is different to other alternative food movements because it is heavily influenced by the continuing legacies

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26

Niemeyer, Katharina Barbara. "An analysis of the conversion to organic farming in South Africa with special focus on the Western Cape." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52658.

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Thesis (MScAgric)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT:ENGLISH ABSTRACT: Organic agriculture is a growing sector world wide due to the ecological and SOCIOeconomic crisis in conventional agriculture. The International Federation of Organic Agriculture Movements (!FOAM) estimated a growth rate of between 20 and 30 percent annually across the world. This trend is also detectable in South Africa although it is still a relatively new movement. During the last two years the number of farmers who had converted to organic farming has increased sixfold and although they still accou

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27

Angeletti, Carlo. "Long term and short term effects of crop rotations in organic farming on soil organic matter content and stabilization dynamics." Doctoral thesis, Università Politecnica delle Marche, 2016. http://hdl.handle.net/11566/243104.

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La gestione del suolo in agricoltura puo’ contribuire significativamente ad accrescere la qualita’ dei suoli. Pratiche quali le lavorazioni minime, l’applicazione di ammendanti organici e la coltivazione di colture di copertura costituiscono delle valide strategie per accrescere il contenuto di sostanza organica nei suoli agricoli e squestrare CO2 dall’atmosfera, riducendo l’impatto ambientale dell’attivita’ agricola. Il contenuto di carbonio organico (OC) nel suolo e’ controllato dall’entita’ degli input di materiale organico che giungono al suolo in seguito alla coltivazione, e dalla resiste

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28

Kitchen, Julie Louise. "Nutrition and nutrional value of wheat grown in organic and conventional farming systems in South Australia." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phk618.pdf.

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29

Mamuya, Waized Betty. "Assessing the impacts of organic farming on domestic and exporting smallholder farming households in Tanzania : a comparative analysis." Thesis, Bangor University, 2011. https://research.bangor.ac.uk/portal/en/theses/assessing-the-impacts-of-organic-farming-on-domestic-and-exporting-smallholder-farming-households-in-tanzania--a-comparative-analysis(cc335371-350f-48b1-84f7-0af6cc8cf6cc).html.

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30

Demiryurek, Kursat. "The analysis of information systems for organic and conventional hazelnut producers in three villages of the Black Sea region, Turkey." Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326709.

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31

Jones, Stephen. "Nitrogen partitioning within different organic systems incorporating strip intercropping, sheep and crop rotation." Thesis, University of Reading, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250690.

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32

Erikson, Gustaf. "Contract farming and organic rice production in Laos : a transformation analysis." Thesis, Södertörns högskola, Institutionen för samhällsvetenskaper, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-15657.

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As in many least developed countries the farmers in Laos are heavily dependent on subsistence based agriculture production for their livelihood. A key for increased welfare for the rural population inLaosis to increase their profits of small scale farmers and generate a higher income per capita. One possible way to increase the profits and income for smallholder farmers may be to convert in to organic rice production for the export market, since the international market for organic rice is growing, consumers are prepared to pay a premium prise for organic products and conditions for organic ri

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33

Sanders, Jurn H. "Economic impact of agricultural liberalisation policies on organic farming in Switzerland." Thesis, Aberystwyth University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.534029.

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Lampkin, Nicolas. "The economic implications of conversion from conventional to organic farming systems." Thesis, Aberystwyth University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339273.

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35

Gill, Erin. "Lady Eve Balfour and the British organic food and farming movement." Thesis, Aberystwyth University, 2011. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.702932.

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This thesis explores the career of Lady Eve Balfour (1898-1990), the founder of the Soil Association, and her contribution to the British organic food and farming movement, as it emerged into public view after the Second World War. Eve Balfour's agricultural education at Reading University College during the First World War and her years as an owneroccupying farmer during the 1920s and 1930s in Suffolk are described, including her involvement in the tithe protest movement. A range of interests pursued by Eve Balfour during the inter-war period is also discussed, including novel writing and Spi

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Forest, Jean-François. "The economics of conversion to organic agriculture : a rotational plan." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60655.

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This thesis focused on the conversion period from conventional to organic agriculture for a Quebec dairy farm. The crucial problem resided in developing an economic framework to evaluate alternative crop rotations that would provide farmers in transition an optimal rotation plan compatible with organic farming practices.<br>Two multi-period linear programming models were developed for that purpose, both models having different assumptions concerning effects that the transition might have on crop yield.<br>In both transitional models, two crop rotations were selected in the optimal solution. In

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37

Erdélyi, Orsolya. "Sustainability and organic farming in the light of conventions theory : The example of the Hungarian organic sector." Thesis, Stockholms universitet, Stockholm Resilience Centre, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-44239.

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The globalization and industrialization of food sector created a need for food traceability. Alternative food networks, such as organic farming, can serve this purpose by offering an alternative to the conventional food and by regaining the trust between the producer and the consumer.Organic agriculture is assumed to be more sustainable than the industrial one. However, there is a misconception of the concepts “sustainable agriculture” and “organic farming”. In Hungary the contradiction of high export of organic raw materials and high import of processed organic food from the main export count

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Hall, Kelsey Lynn. "Ohio Non-Organic Grain Farmers' Perceptions of Organic Farming: An Application of the Theory of Planned Behavior." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406807326.

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孫詠嫺 and Wing-han Cecilia Suen. "Visitor centre in an organic farm." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31983042.

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Rick, Terry Lynn. "Phosphorus fertility in Northern Great Plains dryland organic cropping systems." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2008/rick/RickT1208.pdf.

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Maintaining phosphorus (P) fertility in northern Great Plains (NGP) dryland organic cropping systems is a challenge due to high pH, calcareous soils that limit P bioavailability. Organic P fertilizers, including rock phosphate (RP) and bone meal (BM) are sparingly soluble in higher pH soils. Certain crops species have demonstrated an ability to mobilize sparingly soluble P sources. Objectives of this project were to 1) evaluate the effect of green manure (GM) crops and organic P fertilizers on the P nutrition of subsequent crops, and 2) investigate P fertility differences between organic and n

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41

Barry, Stephanie Michelle. "Organic fundamentals : risk management, sacrament, and soul values in the Pacific Northwest /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/6490.

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42

Bobeche, Giddy. "Ecological, economic, and organizational dimensions of organic farming in Miami-Dade County." FIU Digital Commons, 2006. http://digitalcommons.fiu.edu/etd/1697.

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The purpose of this research was to determine what challenges small-scale organic farmers face in choosing their particular production, marketing, and organizational strategies in Miami-Dade County. Rapid soil assessments were used on six organic farms to determine the effects of soil nutrient management in terms of pH, soil organic matter (SOM), and phosphorus (P). Potential costs of inputs were documented for each farm to determine the largest challenges facing the profitability of organic farms. A production, marketing, and organizational analysis determined how farmers shape their inter-fa

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Balnytė, Skirmantė. "Agroecosystem Optimization by Crop Rotation, Catch Crop and Manure in Organic Farming." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20110902_143932-39161.

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To analyse the influence of crop rotations with a different ratio of nitrogen-fixing crops, catch crops and fertilisation with organic fertilisers on the following: 1. Soil enzyme activity; 2. Agrochemical properties of the soil and nitrogen balance; 3. Weed response; 4. Weed seed bank in the soil; 5. Crop yield and productivity.<br>Agroekosistemų optimizavimo augalų kaita, tarpiniais pasėliais ir organinėmis trąšomis ekologinėje žemdirbystėje tyrimai vykdyti 2004–2009 m., Lietuvos žemės ūkio universiteto Bandymų stotyje, sertifikuotame ekologinės žemdirbystės lauke, karbonatingame sekliai glė

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Hathaway-Jenkins, Laura Jane. "The effect of organic farming on soil physical properties, infiltration and workability." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/6798.

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Organically managed land has increased to 4 % of the total area of agricultural land in the UK. Changing land management can impact upon the rural environment (soils, hydrology and biodiversity) and rural community (socio-economics and culture). This thesis aims to compare the effects of organic farming practices on soil physical, chemical and hydrological properties in relation to conventional farming systems. The research combines data from three different scales: field measurements, plot measurements and catchment modelling. At the field scale: 16 pairs of farms (organic and conventional be

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Al-Oun, Mohammad Mutarad. "Opportunities and potential for organic farming in the arid lands of Jordan." Thesis, Coventry University, 2007. http://curve.coventry.ac.uk/open/items/349d42ba-8f9a-b669-5716-ac13e93a63f3/1.

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Certified organic farming is developing rapidly world-wide and has become of interest to many farmers, politicians, environmentalists and governments and is practised now in nearly all countries of the world. However, adoption of certified organic farming is not an easy option for farmers and it carries with it several barriers such as technical, economic, social, cultural or legal. The Jordanian Government is interested in proposing organic farming to farmers, but without initially investigating whether or not organic farming will be a suitable system for farmers. Therefore, this research is

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Abdelwhab, Mostafa Wali. "The importance of agricultural infrastructure to transformation to organic farming in Libya." Thesis, Sheffield Hallam University, 2012. http://shura.shu.ac.uk/19189/.

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The importance of agricultural infrastructure to the development of organic farming in Libya is receiving considerable attention from policy makers in view of its potential in contributing to economic development. There is a vital role for agricultural infrastructure in promoting organic farming development in Libya. This would increase employment, enhance general economic development and stimulate growth in other sectors. Agricultural infrastructure already contributes to the general development of Libyan agriculture, and it may be vital to improving sustainability. Despite growing research i

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47

Namome, Catherine. "An economic analysis of certified organic smallholders in Limpopo Province, South Africa." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/40356.

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To date, research on organic farming and certification has focused on the production and trade possibilities of the industry. Farmers‟ opinions are underrepresented and this study endeavours to capture their opinions. In this study, the economic problem is to investigate the low participation of farmers in certified organic farming, highlight the economic benefits which are normally not clearly defined, as well as study the often complicated and frustrating certification process. The main objective is to investigate the determinants, which affect the smallholder farmer‟s participation, and to

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TerAvest, Daniel Gerald. "Tree and soil nitrogen responses to alternative ground cover management strategies in organic apple production." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Summer2009/d_teravest_072309.pdf.

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Thesis (M.S. in soil science)--Washington State University, August 2009.<br>Title from PDF title page (viewed on Sept. 23, 2009). "Department of Crop and Soil Science." Includes bibliographical references (p. 46-50).

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49

Oberlander, Kristin M. "CULTURES IN OPPOSITION: THE BATTLE BETWEEN CORPORATE ORGANICS AND THE ORGANIC MOVEMENT." Oxford, Ohio : Miami University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1155088707.

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Vijaya, Bhaskar A. V. "Cultivation regimes and legume cover crops for organic wheat (Triticum aestivum) production." Thesis, Coventry University, 2014. http://curve.coventry.ac.uk/open/items/0eee127c-9732-4d39-bb0b-74535212c726/1.

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Field trials were conducted in 2010/11, 2012 and 2013 at the Royal Agricultural University’s Soil Association certified organic Harnhill Manor Farm, Gloucestershire, UK (NGR SP 075 006), to investigate suitable cultivation techniques and legume cover crops for winter and spring wheat production. Cultivation treatments included conventional tillage (CT), low residue non-inversion tillage (LRNiT) and high residue non-inversion tillage (HRNiT) as main plots while undersowing white clover (WC), black medic (BM) or no undersowing (Nus) as subplots. Wheat establishment, growth, grain yield and weeds

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