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Rozprawy doktorskie na temat „Green manure”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 25 lipca 2025

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1

Sarkodie-Addo, Joseph. "Nitrogen dynamics in a green manure - maize rotation system." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368885.

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Ndikintum, Fouda Ndjinyo. "The role of night paddock manuring in the reduction of poverty and conflict amongst farmers and grazers in small Babanki (Cameroon) /." Online Access, 2009. http://etd.uwc.ac.za/usrfiles/modules/etd/docs/etd_gen8Srv25Nme4_1582_1277420558.pdf.

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Short, Nicolyn. "Implications of green manure amendments on soil seed bank dynamics." University of Western Australia. School of Earth and Geographical Sciences, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0022.

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[Truncated abstract] Weeds are a major limitation to agricultural and horticultural production and the main method of control is the use of herbicides. In addition to the resulting chemical pollution of the environment, the wide spread and continues use of herbicides have resulted in many weeds developing resistance to commonly used herbicides. This study investigated the potential of using green manures as a cultural method of control of weed invasion in agricultural fields. To understand the general mechanisms involved in the suppression of seed germination in green manure amended soils, see
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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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Cherr, Corey. "Improved use of green manure as a nitrogen source for sweet corn." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0006501.

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Ragozo, Carlos Renato Alves [UNESP]. "Eficiência da utilização de adubos verdes em pomar de laranjeira 'Pêra' (Citrus sinensis (L.) Osbeck)." Universidade Estadual Paulista (UNESP), 2005. http://hdl.handle.net/11449/103245.

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Made available in DSpace on 2014-06-11T19:32:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-12-20Bitstream added on 2014-06-13T19:03:05Z : No. of bitstreams: 1 ragozo_cra_dr_botfca.pdf: 331427 bytes, checksum: a7e833594247681e7c4ad5ac7e49b4c4 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O trabalho teve como objetivo avaliar a eficiência da utilização de adubos verdes em pomar de laranjeira 'Pêra' (Citrus sinensis (L.) Osbeck) e foi instalado na fazenda Três Irmãos, no município de Botucatu/SP. O solo da propriedade é denominado Neossolo Quartzarê
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Trott, Donna M. "Assessing near-field naturally occurring isothiocyanates emissions after mustard green manure cover crop incorporation." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Summer2009/d_trott_071609.pdf.

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Thesis (M.S. in environmental science)--Washington State University, August 2009.<br>Title from PDF title page (viewed on Aug. 7, 2009). "School of Earth and Environmental Sciences." Includes bibliographical references.
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8

Galpin, C. Mark. "The development and evaluation of participatory farm management methods for research needs assessment with smallholder farmers." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324995.

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9

Teklay, Tesfay. "Organic inputs from agroforestry trees on farms for improving soil quality and crop productivity in Ethiopia /." Umeå : Dept. of Forest Ecology, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/2005122.pdf.

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Plotkin, Jeremy Barker. "The Effects of Green Manure Rotation Crops on Soils and Potato Yield and Quality." Fogler Library, University of Maine, 2000. http://www.library.umaine.edu/theses/pdf/PlotkinJB2000.pdf.

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Ragozo, Carlos Renato Alves 1970. "Eficiência da utilização de adubos verdes em pomar de laranjeira 'Pêra' (Citrus sinensis (L.) Osbeck) /." Botucatu : [s.n.], 2005. http://hdl.handle.net/11449/103245.

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Orientador: Sarita Leonel<br>Banca: Sérgio Lázaro de Lima<br>Banca: João Domingos Rodrigues<br>Banca: José Eduardo Creste<br>Banca: José Orlando de Figueiredo<br>Resumo: O trabalho teve como objetivo avaliar a eficiência da utilização de adubos verdes em pomar de laranjeira 'Pêra' (Citrus sinensis (L.) Osbeck) e foi instalado na fazenda Três Irmãos, no município de Botucatu/SP. O solo da propriedade é denominado Neossolo Quartzarênico. As plantas estão enxertadas em limoeiro 'Cravo' e foram plantadas num espaçamento de sete por quatro metros, no ano de 1996, estando com sete e oito anos de ida
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12

Elfstrand, Sara. "Impact of green manure on soil organisms : with emphasis on microbial community composition and function /." Uppsala : Department of Soil Sciences, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200723.pdf.

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Harris, Mark Anglin. "The effects of green manure on soil structure in calcareous sodic and non-sodic soils /." Title page, Contents and Summary only, 1995. http://web4.library.adelaide.edu.au/theses/09A/09ah315.pdf.

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14

Izard, Erica Jean. "Seeking sustainability for organic cropping systems in the Northern Great Plains: legume green manure management strategies." Thesis, Montana State University, 2007. http://etd.lib.montana.edu/etd/2007/izard/IzardE0807.pdf.

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Lock, Julia. "The potential of a Novel Green Manure as a treatment for Replant Disease on Sorbus aucuparia." Thesis, University of Northampton, 2018. http://nectar.northampton.ac.uk/10530/.

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Trees have been an integral part of our environment for millennia by providing many ecosystem services to the surrounding populous. Trees add to their environment through the provision of ecosystem services and are a positive contributor to public health which financially equates to £1.8 billion per year. The importance of trees is recognised at government level and their health and resilience is considered a priority. Tree and shrub species in the Rosaceae are susceptible to replant disease (RD), which is expressed in the form of necrotic roots, stunting and reduced yield, and are thought to
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16

Coutinho, Neto André Mendes [UNESP]. "Manejo da adubação nitrogenada e utilização do nitrogênio (15N) pelo milho sob plantio direto com diferentes plantas de entressafra." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/88247.

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Made available in DSpace on 2014-06-11T19:23:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-07-28Bitstream added on 2014-06-13T20:50:11Z : No. of bitstreams: 1 coutinhoneto_am_me_jabo.pdf: 296593 bytes, checksum: 6a6231cd7d56cc4c51fd35c56469fea9 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>O aproveitamento do N pelo milho cultivado em sistema de plantio direto (SPD) é dependente da qualidade dos resíduos da cult
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17

Coutinho, Neto André Mendes. "Manejo da adubação nitrogenada e utilização do nitrogênio (15N) pelo milho sob plantio direto com diferentes plantas de entressafra /." Jaboticabal : [s.n.], 2011. http://hdl.handle.net/11449/88247.

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Resumo: O aproveitamento do N pelo milho cultivado em sistema de plantio direto (SPD) é dependente da qualidade dos resíduos da cultura antecessora, que por sua vez podem promover diferenças na eficiência da adubação nitrogenada em função da época em que esta é realizada. Assim, objetivou-se avaliar as estratégias de aplicação do N e das plantas de entressafra na eficiência de utilização do N, no aproveitamento pelo milho do N das plantas de entressafra, previamente marcadas com 15N e na produção de milho cultivado em um solo argiloso, sob SPD (18 anos). O delineamento experimental utilizado f
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18

Båth, Birgitta. "Matching the availability of N mineralised from green-manure crops with the N-demand of field vegetables /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5754-8.pdf.

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Parajuli, Krishna Joshi. "Economic Impact Analysis of Mixed-Species Green Manure on Organic Tomato: Evidence from the Northeastern United States." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/36108.

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With shifting preferences of consumers towards healthier food, organic food demand has been on the rise for the past two decades. This increased demand has created an opportunity for farmers to shift from conventional to organic production. However, there are risks and uncertainties associated with organic farming. The management of an organic farm in the absence of organic-based disease and pest suppressing strategies constrains farmers from adopting organic vegetable production. The use of cover crops to control soil-borne diseases and suppress weeds and other pests has increased because of
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20

Gacengo, Catherine N. Wood C. W. Shaw Joey N. "Agroecosystem management effects on carbon and nitrogen cycling across a coastal plain catena." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Agronomy_and_Soils/Dissertation/Gacengo_Catherine_2.pdf.

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Kapal, Debbie B. "Influence of a legume green manure crop on barley straw/stubble decomposition, and soil nitrogen retention and availability." Lincoln University, 2008. http://hdl.handle.net/10182/701.

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The incorporation of cereal straw/stubble often immobilises nitrogen (N). This can help conserve N in soil in organic forms, thus reducing loss through leaching over dormant winter periods. However, N-depressions that arise during decomposition can reduce crop yield. The inclusion of a legume green manure can supply fixed-N, thus alleviating the low N availability to crops. In this study, the effect of lupin (Lupinus angustifolius L.) green manure incorporation on barley (Hordeum vulgare L.) straw/stubble decomposition, and N availability was investigated. A field experiment was used to determ
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22

Buzinaro, Thais Nucci [UNESP]. "Qualidade microbiológica do solo sob citrus em comparação com outros ecossistemas e sob adubação verde." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/94907.

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Made available in DSpace on 2014-06-11T19:27:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-12-20Bitstream added on 2014-06-13T19:56:00Z : No. of bitstreams: 1 buzinaro_tn_me_jabo.pdf: 507442 bytes, checksum: a062b965b5c7aee4def0e6db053eb295 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A expansão da citricultura tem sido feita em áreas de florestas e de pastagens. O efeito desta conversão de uma área de floresta tropical e de pastagem em laranjal (Citrus sinensis L. Osbeck) constitui uma oportunidade para avaliar mudanças nas variáveis microbioló
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Buzinaro, Thais Nucci. "Qualidade microbiológica do solo sob citrus em comparação com outros ecossistemas e sob adubação verde /." Jaboticabal : [s.n.], 2006. http://hdl.handle.net/11449/94907.

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Orientador: Ely Nahas<br>Banca: Eliana Gertrudes Macedo Lemos<br>Banca: Eleonora Cano Carmona<br>Resumo: A expansão da citricultura tem sido feita em áreas de florestas e de pastagens. O efeito desta conversão de uma área de floresta tropical e de pastagem em laranjal (Citrus sinensis L. Osbeck) constitui uma oportunidade para avaliar mudanças nas variáveis microbiológicas e químicas do solo. As amostras de solo foram coletadas nas áreas de floresta, de pastagem e da parte alta (LA, laranjal do alto) e da baixada (LB, laranjal da baixada) de laranjal. As menores contagens de bactérias foram en
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24

Olewski, Jakub Szymon. "Effects of soil pH and plant material quality on soil mineral nitrogen dynamics and nitrous oxide production following addition of green manure to soil." Thesis, University of Aberdeen, 2012. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=202373.

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Human activities have doubled the loading of ecosystems with reactive nitrogen (N) contributing to many serious problems such as eutrophication, climate change and pollution. As most anthropogenic reactive N is created to supply plant-available N in agriculture, one of the ways to mitigate the situation is to improve N use efficiency in crop production. It is also potentially more sustainable to supply N to crops using biological N fixation (BNF) rather than synthetic N fertilisers, because BNF does not rely on energy from fossil fuels to create plant-available N. Soil pH affects N transformat
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Cardozo-Tacaná, José. "Impact of six cropping sequences on soybean cyst nematode, soil arthropods, and earthworms /." free to MU campus, to others for purchase, 1996. http://wwwlib.umi.com/cr/mo/fullcit?p9809665.

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Cerqueira, Danilo César Oliveira de. "Caracterização de leguminosas para adubação verde de canaviais em solo de Tabuleiro Costeiro, Penedo, Alagoas." Universidade Federal de Alagoas, 2011. http://repositorio.ufal.br/handle/riufal/256.

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The expansion of area cultivated with sugar cane incorporates every season, areas of poor soils, low fertility and low CEC. Green manure can be used in the renovation of the reeds with great benefits to soil, however, climate and soil for each condition it is important for a study to define the most suitable legumes to serve as green manure and to evaluate the effects of culture cane sugar. This experimental study aimed to characterize growth and nutrient uptake of certain species of legumes used as green manure and their influences on productivity and technological indices of cane sugar in th
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Barbosa, Francisca Edineide Lima. "Crescimento, fisiologia e produÃÃo da bananeira prata anà associada a plantas de cobertura e lÃminas de irrigaÃÃo." Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7878.

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Banco do Nordeste do Brasil<br>A bananicultura tem grande importÃncia no cenÃrio nacional e mundial, devido a aspectos nutricionais, sociais e, sobretudo econÃmicos. A utilizaÃÃo de tÃcnicas que visem o manejo adequado do solo e da Ãgua nessa cultura à de extrema importÃncia para o desenvolvimento de uma agricultura sustentÃvel reduzindo os impactos no ambiente. Diante do exposto pretendeu-se com esse trabalho, gerar difusÃo tecnolÃgica para o manejo da fertilidade do solo, utilizando leguminosas como cobertura viva e lÃminas de irrigaÃÃo no cultivo da bananeira P
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Salmi, Alexandre Porto. "Crescimento, ac?mulo de nutrientes e fixa??o biol?gica de nitrog?nio em Flemingia macrophylla [(Willd.) Merril]." Universidade Federal Rural do Rio de Janeiro, 2008. https://tede.ufrrj.br/jspui/handle/tede/532.

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Made available in DSpace on 2016-04-28T14:58:37Z (GMT). No. of bitstreams: 1 2008 - ALEXANDRE PORTO SALMI.pdf: 1554795 bytes, checksum: a6848d37084d24af12afa69b12020065 (MD5) Previous issue date: 2008-07-31<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Flemingia macrophylla is an underexploited Asian legume shrub in Brazil. International literature emphasizes its high potential as component in agroforestry systems in various regions of the tropics. The objective of this dissertation is to evaluate the potential of Flemingia macrophylla as an alternative green manure to
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Mellhorn, Malin. "Water hyacinths (Eichornia crassipes) and their presence in Shire River, Malawi : Problems caused by them and ways of utilise them elsewhere." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-211625.

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Malawi is one of many countries throughout the world struggling with massive amounts of water hyacinths (Eichornia crassipes) in the country’s fresh water resources.  In nutrient-rich ecosystems where the aquatic weed has no natural enemies it will reproduce very rapidly with the consequence that lakes become overgrown, water flow in rivers is reduced, and other water organisms becomes excluded. At the same time, the plants form a good breeding place for species carrying tropical diseases for example Malaria and Bilharzia. Water hyacinths are usually more of a problem for poorer countries sinc
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SANTOS, Ítalo Augusto Férrer Melo. "Seleção de isolados rizobianos de mucuna preta (Stizolobium aterrimum Piper e Tracy)." Universidade Federal Rural de Pernambuco, 2015. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4814.

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Submitted by Mario BC (mario@bc.ufrpe.br) on 2016-06-17T14:03:52Z No. of bitstreams: 1 Italo Augusto Ferrer Melo Santos.pdf: 648687 bytes, checksum: 5b47a27f3c6be0189b2514928929ea4a (MD5)<br>Made available in DSpace on 2016-06-17T14:03:52Z (GMT). No. of bitstreams: 1 Italo Augusto Ferrer Melo Santos.pdf: 648687 bytes, checksum: 5b47a27f3c6be0189b2514928929ea4a (MD5) Previous issue date: 2015-07-31<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The panorama of rapid population growth alert to the challenge of global food security demanding increased food product
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Thind, Harmit Singh. "Studies on the role of floodwater algae and green manure on the transformations of 15N-urea applied to floodwater under lowland rice conditions." Thesis, University of Reading, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303790.

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Rice accounts for 21% of the total energy content of the world's food and about 40% of the world's population depend on it. Nitrogen fertilization, mainly as urea, has played a major role in increasing rice production. But the fertilizer use efficiency is low. Therefore, the present investigation was undertaken to understand the effect of floodwater algae and green manure on the transformations of labelled urea applied to floodwater. The pertinent literature was reviewed. The experiments were carried out in the growth chamber using 4 to 5 cm soil columns covered with 4 to 5 cm floodwater. Alga
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Eberhardt, Diogo Néia. "Phosphorus use efficiency in conservation agricultural system: impact of organic restitution." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-02042013-112744/.

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The tropical savannas cover an area of approximately 1,900 million ha second biome of Brazil. Phosphorus (P) is frequently a major or even the prime limiting factor for plant growth in the subtropical and tropical regions (highly weathered soils). Small-scale farming systems are fairly representative in Brazil, accounting for approximately 84.4% of Brazilian agriculture establishments and the conventional tillage being the common practice in the systems. The objective of this work was to study the dynamics of P in an agronomic experiment located in the Cerrado region, on the efficient use of P
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Sánchez, Camilo Ernesto Bohórquez. "Produtividade da cana-de-açúcar e qualidade química do solo em função da rotação de cultura e remoção da palha." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-24082017-142747/.

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Limitações nas reservas de combustíveis fósseis e a crescente concentração de gases de efeito estufa na atmosfera tem aumentado o interesse para incrementar a participação da cana-de-açúcar como fonte de biomassa para geração de energia renovável. O uso dos resíduos de colheita da cana-de-açúcar para produção de eletricidade e etanol de segunda geração foi intensificado nos últimos anos, sem haver conhecimento claro das implicações da retirada total ou parcial da palha na produtividade da cultura e qualidade do solo a médio e longo prazo. O objetivo deste estudo foi avaliar a produtividade da
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MARTINS, Carla Andreia da Cunha. "Manejo da cobertura do solo e aduba??o com P e S na cultura da mandioquinha-salsa." Universidade Federal Rural do Rio de Janeiro, 2009. https://tede.ufrrj.br/jspui/handle/jspui/2361.

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Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-08-21T19:46:40Z No. of bitstreams: 1 2009 - Carla Andreia da Cunha Martins.pdf: 6594844 bytes, checksum: 336fdb999764e447e38cb6a0c803c837 (MD5)<br>Made available in DSpace on 2018-08-21T19:46:40Z (GMT). No. of bitstreams: 1 2009 - Carla Andreia da Cunha Martins.pdf: 6594844 bytes, checksum: 336fdb999764e447e38cb6a0c803c837 (MD5) Previous issue date: 2009-02-28<br>CNPq<br>Population in general is getting more interested in consuming healthy food. Alternative eco-agricultural cropping practices are being emphasized, thanks to the benefit
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Souza, Gilberto Flores de. "AVALIAÇÃO DE NOVE ESPÉCIES DE LEGUMINOSAS COMO HOSPEDEIROS ALTERNATIVOS DE Phakopsora pachyrhizi Syd. & P.Syd." UNIVERSIDADE FEDERAL DA GRANDE DOURADOS, 2007. http://tede.ufgd.edu.br:8080/tede/handle/tede/105.

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Made available in DSpace on 2016-02-26T12:59:37Z (GMT). No. of bitstreams: 1 GilbertoFloresSouza.pdf: 4776672 bytes, checksum: b8aabb595b89b1322dab91e3d6af328d (MD5) Previous issue date: 2007-03-29<br>Soybean yield has been the main culture in Brazil for its cultivation area and grain yield, which puts Brazil in the second place in world greatest yield and in the first place in country exporter. Although, the potential of productive efficiency of that culture of 4,000 kg hectare, it is hart to reach. Among main factors, diseases predominated, with great importance for Asian rust that is caus
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Antunes, Tayana Galv?o Sceiffer de Paula. "Influ?ncia do manejo da palhada de aveia-preta e tremo?o-branco sobre a fauna invertebrada do solo em ambiente de montanha." Universidade Federal Rural do Rio de Janeiro, 2016. https://tede.ufrrj.br/jspui/handle/jspui/1917.

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Submitted by Celso Magalhaes (celsomagalhaes@ufrrj.br) on 2017-07-26T16:23:58Z No. of bitstreams: 1 2016 - Tayana Galv?o Scheiffer de Paula Antunes.pdf: 886909 bytes, checksum: 3d81bdb995e369056c9a96e210803d4c (MD5)<br>Made available in DSpace on 2017-07-26T16:23:58Z (GMT). No. of bitstreams: 1 2016 - Tayana Galv?o Scheiffer de Paula Antunes.pdf: 886909 bytes, checksum: 3d81bdb995e369056c9a96e210803d4c (MD5) Previous issue date: 2016-05-31<br>Aiming to obtain information to support the biodiversity management that enable sustainable production systems and ensure the quality of natural resour
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Cunha, Aquiles Junior da. "Manejo intercalar de leguminosas perenes na cultura do café em produção." Universidade Federal de Uberlândia, 2012. https://repositorio.ufu.br/handle/123456789/12066.

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Intercropped legumes in coffee rows perform as green manure, providing good soil coverage and reducing weed infestation. This study evaluated soil coverage and interference of forage peanuts and perennial soybean on weed infestation and phytosociology, and on growth and yield of coffee plants. The experiment was done in Patrocínio/MG, in a 11 years old producing coffee orchard, cultivar Catuaí Vermelho IAC-99, spaced by 3.80 x 0.70 m. Nine treatments were evaluated as a 23+1 factorial, in randomized blocks, with 4 repetitions, with two perennial legumes: forage peanuts (Arachis pintoi) and per
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SOUSA, José da Silva. "Jitirana, flor-de-seda e mata-pasto como fonte de adubo verde na produtividade do coentro." Universidade Federal de Campina Grande, 2014. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/844.

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Submitted by Deyse Queiroz (deysequeirozz@hotmail.com) on 2018-05-30T12:11:20Z No. of bitstreams: 1 JOSÉ DA SILVA SOUSA - DISSERTAÇÃO PPGSA PROFISSIONAL 2014..pdf: 1561653 bytes, checksum: aa1844de8c3babe6fa251dc328c9832c (MD5)<br>Made available in DSpace on 2018-05-30T12:11:20Z (GMT). No. of bitstreams: 1 JOSÉ DA SILVA SOUSA - DISSERTAÇÃO PPGSA PROFISSIONAL 2014..pdf: 1561653 bytes, checksum: aa1844de8c3babe6fa251dc328c9832c (MD5) Previous issue date: 2014-11-11<br>O coentro (Coriandrum sativum L.) é uma olerícola herbácea anual com altura média de 10 a 20 cm planta-1, dependendo das condiç
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Santos, Tayane de Lima. "AvaliaÃÃo de impactos ambientais da produÃÃo de melÃo em sistema convencional e conservacionista no sumÃdio SÃo Francisco." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14652.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>O SubmÃdio SÃo Francisco à um dos principais polos produtores de melÃo amarelo para o mercado interno brasileiro. Sabendo que as atividades agrÃcolas impactam o meio ambiente, este estudo objetiva avaliar os impactos ambientais, por meio da avaliaÃÃo do ciclo de vida, na produÃÃo de 1 kg de melÃo cultivado no SubmÃdio SÃo Francisco, sob dois sistemas de produÃÃo: convencional e conservacionista. Os dados referentes ao sistema de produÃÃo convencional de melÃo foram obtidos em campo, com entrevistas conduzidas no PerÃmetro Irrigad
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Devide, Antonio Carlos Pries. "Sistema Org?nico de Produ??o de Mandioca Consorciada com Milho e Caupi." Universidade Federal Rural do Rio de Janeiro, 2006. https://tede.ufrrj.br/jspui/handle/tede/505.

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Made available in DSpace on 2016-04-28T14:58:30Z (GMT). No. of bitstreams: 1 2006-Antonio Carlos Pries Devide.pdf: 4000298 bytes, checksum: 757aca032c469431899c5eb8262fecf5 (MD5) Previous issue date: 2006-04-27<br>Organic systems were evaluated for cassava root production directed to human comsuption in natura, at Serop?dica, Metropolitan Region of Rio de Janeiro State. Treatments consisted of: cassava ('IAC 576-70') single cropping and its intercropped with corn ('Eldorado'), cowpea ('Mau?') or corn plus cowpea. The organic management was standardized and the experimental area was submitted
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Vieira, Flaviana de Andrade. "Doses de máxima eficiência física e econômica de flor-de-seda no rendimento de caupi-hortaliça." Universidade Federal Rural do Semi-Árido, 2014. http://bdtd.ufersa.edu.br:80/tede/handle/tede/89.

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Made available in DSpace on 2016-08-12T19:15:29Z (GMT). No. of bitstreams: 1 FlavianaAV_DISSERT.pdf: 775573 bytes, checksum: f0fb79ca644e2f981adf3e69a6c727f9 (MD5) Previous issue date: 2014-09-25<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Cowpea-vegetable (Vigna unguiculata (L.) Walp) is a grain legume, used in the human food, largely grown in semi-arid areas of the Brazilian Northeast. Green manure is an economical form and alternative for the low-income farmers to fertilize their crops. However, there is no information about the use of this green manure using rooster
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Trento, Filho Egyno. "Consorciação intercalar em linha com crotalária e feijão guandu anão na soqueira da cana-de-açúcar." Universidade do Oeste Paulista, 2010. http://bdtd.unoeste.br:8080/tede/handle/tede/368.

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Made available in DSpace on 2016-01-26T18:56:20Z (GMT). No. of bitstreams: 1 Dissertacao.pdf: 116799 bytes, checksum: 3e8130b0b12cb48079c689686d6e6753 (MD5) Previous issue date: 2010-02-01<br>Two great challenges for the sugar cane agribusiness are the reduction of the investment and of the operational cost to increase the competitiveness of the sugar and of the etanol. The improvement of the chemical and physical quality of the soil in elapsing of the years of cultivation of the cane is one of the factors that contribute to win those challenges. The objective of this work was of evaluating
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43

Matheis, Hector Alonso San Martín. "Uso contínuo de coberturas vegetais em citros: influência no banco de sementes, na comunidade infestante e nas características químicas do solo." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-19092008-122149/.

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Nos últimos anos os consumidores, em especial do mercado externo, estão interessados e preocupados cada vez mais com a segurança alimentar, principalmente no que se refere à forma de produção. Esse panorama tem motivado a busca por alternativas de baixo impacto ambiental. Uma delas é o uso de coberturas vegetais ou adubação verde. Nesse contexto a presente pesquisa teve como objetivo avaliar a influência do uso contínuo de coberturas vegetais em pomar de citros sobre os padrões de infestação e banco de sementes das plantas daninhas, assim como as características químicas do solo. O experimento
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Machado, Andressa Cristina Zamboni. "Pratylenchus brachyurus x algodoeiro: patogenicidade, métodos de controle e caracterização molecular de populações." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/11/11135/tde-17112006-143149/.

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Pratylenchus brachyurus é um dos nematóides mais disseminados na cultura do algodão nas áreas produtoras do Brasil. Sua patogenicidade ao algodoeiro, entretanto, é pouco estudada. Os objetivos deste trabalho foram: i) correlacionar níveis populacionais iniciais crescentes de P. brachyurus (0, 12.000, 30.000 e 75.000 exemplares/ planta) com os danos causados ao algodoeiro \'Delta Opal\'; ii) avaliar a patogenicidade de populações de P. brachyurus em algodoeiros \'Delta Opal\' e \'Fibermax 966\'; iii) testar cultivares de algodão em relação à reprodução de três populações de P. brachyurus ; iv)
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Matheus, Andr?ia Cristina. "import?ncia da aduba??o verde na diversifica??o da produ??o agr?cola: uma abordagem participativa em assentamento rural na Baixada Fluminense." Universidade Federal Rural do Rio de Janeiro, 2016. https://tede.ufrrj.br/jspui/handle/jspui/2088.

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Submitted by Celso Magalhaes (celsomagalhaes@ufrrj.br) on 2017-10-13T12:02:09Z No. of bitstreams: 1 2016 - Andr?ia Cristina Matheus.pdf: 2627280 bytes, checksum: 280f3799edc543851f302aefebda3f44 (MD5)<br>Made available in DSpace on 2017-10-13T12:02:09Z (GMT). No. of bitstreams: 1 2016 - Andr?ia Cristina Matheus.pdf: 2627280 bytes, checksum: 280f3799edc543851f302aefebda3f44 (MD5) Previous issue date: 2016-05-04<br>The present work was performed with families of the Agrarian Reform Settlement Promised Land (Terra Prometida), located in the cities of Nova Igua?u and Duque de Caxias, in Fluminen
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Melo, Isabel Giovanna Costa e. "Densidades de semeadura de leguminosas na melhoria da qualidade do solo e na produtividade do milho." Universidade Federal Rural do Semi-Árido, 2015. http://bdtd.ufersa.edu.br:80/tede/handle/tede/468.

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Made available in DSpace on 2016-08-31T13:15:08Z (GMT). No. of bitstreams: 1 IsabelGCM_DISSERT.pdf: 586522 bytes, checksum: 86053179d77d73865c20d7cb7ea451d7 (MD5) Previous issue date: 2015-02-12<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Currently, the concern with the progress of degradation processes installed in most Brazilian soils, and with the prevention of the degradation of new areas, has led to the need to use practices to add organic matter to soil. Among these, there is a green manure, recognized as a viable alternative in the search for sustainability of ag
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47

Grybas, Saulius. "Kai kurių medelyno ekologizavimo priemonių tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20100621_114417-66483.

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Magistro darbe tiriama kai kurių medelyno ekologizavimo priemonių įtaka paprastosios eglės (Picea abies (L.) H. Karst.) sodmenų augimui, vystimuisi, išlikimui, išeigai, dirvožemiui. Darbo objektas – vienerių metų paprastosios eglės sėjinukai ir 2+1 sodinukai bei sideralinis pūdymas. Darbo tikslas – ekologizuoti miško medelyną, pakeičiant mineralines trąšas organinėmis. Darbo metodai – literatūros loginė analizė, apskaitos aikštelių metodas; matematinės statistikos metodai. Darbo rezultatai. Paprastosios eglės sodmenų (pirmamečių sėjinukų ir 2+1 sodinukų) biometrinių požymių matavimai rodo, kad
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Lima, Nayrah de Deus. "Efeito da sucessão de culturas e doses de nitrogênio sobre o rendimento de frutos de melancia." Universidade Federal de Roraima, 2012. http://www.bdtd.ufrr.br/tde_busca/arquivo.php?codArquivo=164.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>A cultura da melancia é uma das mais importantes no Estado de Roraima, com uma área plantada de aproximadamente 1000 ha-1 irrigados e produtividade média de 8.017 kg ha-1 de frutos. Essa produtividade é considerada baixa, levando em conta o potencial da cultura; e as razões disso são o manejo inadequado, principalmente, da adubação. Neste estudo, testaram-se três sistemas de sucessão de cultura combinados com seis doses de Nitrogênio com o objetivo de avaliar os benefícios da sucessão das culturas e doses de nitrogênio sobre a prod
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Suleiman, Afnan Khalil Ahmad. "Impacto da adição de resíduos orgânicos na comunidade microbiana do solo e na emissão de N2O." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/3382.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Agricultural lands receive crop and animal residues as option for additional nutrients to replace inorganic fertilizers. Although the idea of discard residues is sustainable, its implementation contributes to the production of greenhouse gases such as nitrous oxide (N2O). However, the impact of disturbances caused by crop wastes on soil microbial community is still not clear. The aim was to study the impact of agricultural residues on the bacterial community accessed by next generation sequencing of nucleics acids. Two field experi
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Rodrigues, Graciela Bassan [UNESP]. "Aspectos produtivos e sanitários de sementes de feijoeiro em função do uso de diferentes coberturas de solo no sistema de plantio direto." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/98921.

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Made available in DSpace on 2014-06-11T19:29:45Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-09-30Bitstream added on 2014-06-13T19:18:15Z : No. of bitstreams: 1 rodrigues_gb_me_ilha.pdf: 631869 bytes, checksum: a8a1a5db9bca90fba6efa993d18375b1 (MD5)<br>Plantas de cobertura são de grande importância para conservação e proteção do solo, além de serem grandes fontes de nutrientes minerais para as culturas seguintes. Assim, o trabalho teve o objetivo de verificar os efeitos de diferentes plantas de cobertura do solo, utilizando leguminosas e uma gramínea isoladas em consórcio leguminos
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