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Rozprawy doktorskie na temat „Precision agriculture”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Window, Marc. "Security in Precision Agriculture : Vulnerabilities and risks of agricultural systems." Thesis, Luleå tekniska universitet, Datavetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-74309.

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BOTTA, ANDREA. "Agri.Q - Sustainable Rover for Precision Agriculture." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2963950.

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Diaz, John Faber Archila. "Design of a Rover to precision agriculture applications." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18149/tde-21112017-160424/.

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The population growth associated with natural resources shortage, food demand increasing and the lack of manpower for agricultural activities generate important challenges to agriculture and engineering. The challenges imply the improvement of productivity with fewer resources, This scenario is consisted parameters that generally are in opposite directions. This work presents the development of a rover to agriculture (R2A) to support agriculturescouting tasks, the tasks will be in the future important tools to improve the productivity and enable the use of less agricultural supplies. The resea

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Lundblad, Lowe, and Anna-Liisa Rissanen. "Precision Agriculture and Access to Agri-Finance : How precision technology can make farmers better applicants." Thesis, Umeå universitet, Företagsekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-149677.

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The World Bank has estimated that an additional $80 billion in financing are needed annually to achieve the 70 % increase in food supply required to feed the world in 2050. One of the cornerstones in achieving this increase in production is expected to be improved agricultural technology, where one of the latest additions is precision agriculture. It is believed that the money for investing in this technology must come from the private sector, but financial institutions are hesitant in lending money to farmers. This, in part, comes down to a high perceived riskiness in agricultural lending ste

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Uludag, Tuba. "LoRaWAN IoT Networks for Precision Agriculture Applications." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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Precision Agriculture (PA) is an emerging technology which enables efficient irrigation by employing the Internet of Things (IoT). We split the thesis in two parts. The first part is estimation of humidity level via experimentation. We focus on measuring Received Signal Strength Indicator (RSSI) to obtain humidity level of the field. Thus, we aim at eliminating the humidity sensors which are very expensive and estimate soil moisture through the variation of RSSI values measured by wireless devices buried underground. In the second part of the thesis, we aim at building an accurate and reliabl

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Shockley, Jordan Murphy. "WHOLE FARM MODELING OF PRECISION AGRICULTURE TECHNOLOGIES." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/105.

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This dissertation investigated farm management concerns faced by grain producers due to the acquisition of various precision agriculture technologies. The technologies evaluated in the three manuscripts included 1) auto-steer navigation, 2) automatic section control, and 3) autonomous machinery. Each manuscript utilized a multifaceted economic model in a whole-farm decision-making framework to determine the impact of precision agriculture technology on machinery management, production management, and risk management. This approach allowed for a thorough investigation into various precision agr

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Russell, David C. "DEM creation for application in precision agriculture." Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366365.

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Faiçal, Bruno Squizato. "The Use of Computational Intelligence for Precision Spraying of Plant Protection Products." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-02032017-155603/.

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Protection management with the aid of plant protection products makes it possible to carry out pest control programs in agricultural environments and make them less hazardous for the cultivation of products on a large scale. However, when these programs are put into effect, only a small proportion of the sprayed products is really deposited on the target area while much of it is carried to neighboring regions. The scientific literature includes studies on the use of mathematical techniques to calculate the physical transformation and movement and provide a deposition estimate of the product. O

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9

Colaizzi, Paul Dominic. "Ground based remote sensing for irrigation management in precision agriculture." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/280497.

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The relationship between remotely sensed canopy temperature and soil moisture was studied. The objectives were to relate two remotely sensed canopy temperature-based indices, the Crop Water Stress Index (CWSI) and the Water Deficit Index (WDI), to soil moisture through the water stress coefficient, to estimate soil moisture depletion with the CWSI and the WDI, and to develop a remote sensing system aboard a linear move irrigation system that would provide field images of the WDI at one-meter spatial resolution. Studies were conducted in Maricopa, Arizona during the 1998 and 1999 seasons with c

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10

Brown, Rachael M. "Economic Optimization and Precision Agriculture: A Carbon Footprint Story." UKnowledge, 2013. http://uknowledge.uky.edu/agecon_etds/11.

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This thesis examines the economic and environmental impacts that precision agriculture technologies (PATs) can have on the carbon footprint of a grain farm. An analysis is offered using two manuscripts. The first examines the impacts of three PATs and compares the findings to a conventional farming method. It was found that all three PATs investigated showed a potential Pareto improvement over conventional farming. The second manuscript expanded the model used previously to in order to develop a process to construct a carbon efficient frontier (CEF). The model employed examined uniform and var

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11

Amaral, Lúcio de Paula. "GEOESTATÍSTICA APLICADA AO MANEJO FLORESTAL EXPERIMENTAL EM FLORESTA OMBRÓFILA MISTA." Universidade Federal de Santa Maria, 2014. http://repositorio.ufsm.br/handle/1/4807.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Forests present spatial-temporal strucutre, and their management can be aided by geostatistics. The present study aimed to use geostatistics in the experimental forest management of Mixed Ombrophylous Forest (MOF), in Rio Grande do Sul, Brazil, with two case studies. The specific objectives were to determine areas of production for a population of Araucaria angustifolia and check the sensitivity of geostatistics to different intensities of management (selective wood harvesting), at different time points, before and after the interv

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12

Adrian, Anne Mims Rainer R. Kelly. "Factors influencing adoption and use of precision agriculture." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Summer/Dissertations/ADRIAN_ANNE_27.pdf.

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13

Wei, Jiantao. "Modular design of embedded systems for precision agriculture /." Search for this dissertation online, 2003. http://wwwlib.umi.com/cr/ksu/main.

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Junior, Antonio Marcelo Arietti. "Análise dos requisitos da qualidade em projetos de robôs agrícolas." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/18/18145/tde-21072017-084102/.

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Norteado pela necessidade de evolução do mercado agrícola, o desenvolvimento da agricultura de precisão atinge o nível de gerenciamento escalar de uma única planta, utilizando robôs agrícolas autônomos, os quais deverão trabalhar por longos períodos, ser ambientalmente corretos, atender às necessidades dos clientes, e ainda, com qualidade, confiabilidade e segurança. Este trabalho tem como objetivos pesquisar, discutir e apresentar os requisitos da qualidade em robôs agrícolas, focando a satisfação do usuário final. Tais objetivos serão atingidos por meio do detalhamento da aplicação de ferram

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15

Fickenscher, Tyrell. "Precision agriculture adoption by growers in South Central Nebraska." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/13777.

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Master of Agribusiness<br>Department of Agricultural Economics<br>Kevin Dhuyvetter<br>This thesis was commissioned by Cooperative Producers, Inc. (CPI) of Hastings, Nebraska in order to better understand the preferences and uses of precision agriculture by customers within the company’s trade territory. With the rapid increase of precision agriculture (hardware, software, services, etc.) it is necessary to get a better understanding of what drives growers to adopt and implement precision agriculture practices. A paper survey was sent out in CPI’s monthly statements to patrons that also inclu

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Santos, Patricia Menezes. "Controle do desenvolvimento das hastes no capim Tanzânia: um desafio." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-17072002-161144/.

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O capim Tanzânia (Panicum maximum Jacq. cv. Tanzânia) tem sido amplamente utilizado em áreas de pastagem no Brasil. O aumento da participação das hastes na produção, no entanto, têm efeito negativo sobre a qualidade da forragem e a eficiência do pastejo, principalmente durante o florescimento. O objetivo deste trabalho foi gerar informações sobre o perfilhamento e a dinâmica interna de nitrogênio, de modo a permitir a proposição de estratégias de manejo visando o controle do desenvolvimento das hastes. Para isso foram realizados dois experimentos. O primeiro em área de capim Tanzânia irrigado

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17

Andrade-Sanchez, Pedro, and John T. Heun. "Understanding Technical Terms and Acronyms Used in Precision Agriculture." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2010. http://hdl.handle.net/10150/146427.

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5 pp.<br>In this publication we make a recount of basic terms and acronyms used in describing the functionality and capabilities of precision agriculture technologies. Growers seeking to acquire new systems or upgrade their existing equipment need to be fluent in terminology used in communications, hardware, software, and other areas in order to make good decisions at the time of buying equipment. This information is also useful to educate equipment operators in the in-and-outs of this technology and this way be able to maximize the use of these expensive upgrades.

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Cillis, Donato. "Introducing innovative precision farming techniques in agriculture to decrease carbon emissions." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3425242.

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Nowadays, agricultural systems are asked to satisfy the increasing global demand for food and fiber for a growing population. The intensification of the current systems in term of inputs and outputs lead to raising the concerns about the impact on the environment. Considering the background found in literature and its highlighted gap, the hypothesis of this thesis are (1) to survey within-farm soil and yield variability in order to delineate the homogeneous zones and productive potential; (2) study the synergy between conservation agriculture and precision agriculture allowing the optimization

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Ramaswamy, Kiran. "Precision application of herbicides in corn fields." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114199.

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The primary objective of this thesis was to develop a system through which precision spraying of herbicides could be applied to a corn field at an early post-emergence stage of development. The initial hypotheses underlying this thesis were that it was possible to: 1) capture a series of digital images using a tractor-mounted camera; 2) tag these images using a Global Positioning System (GPS); 3) develop an algorithm to detect weeds in an image; 4) develop a weed map using a series of images tagged with the presence or absence of weeds; and 5) significantly reduce the amount of spraying neede

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20

Camargo, Marcel Pinton de. "Aerial machine vision, geographical information system and hue for pattern classification in agriculture." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11152/tde-17012019-180101/.

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In this research we aim to achieve cybernetic cohesion information flow in precision agriculture, integrating machine learning methods, computer vision, geographical information system and UAV-photogrammetry in an irrigated area with slaughterhouse wastewater, under five treatments (W100 - irrigation with superficial water and 100% of nitrogen mineral fertilization, E0, E33, E66 and E100 - irrigation with treated effluent from slaughterhouse and addition of 0, 33, 66 and 100% of nitrogen mineral fertilization, respectively) and four replications on grassland (Cynodon dactylon (L.) Pers.). Seve

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Gandonou, Jean-Marc A. "ESSAYS ON PRECISION AGRICULTURE TECHNOLOGY ADOPTION AND RISK MANAGEMENT." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_diss/227.

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Precision agriculture (PA) can be defined as a set of technologies that have helped propel agriculture into the computerized information-based world, and is designed to help farmers get greater control over the management of farm operations. Because of its potential to spatially reduce yield variability within the field through variable rate application of nutrients it is thought to be a production risk management instrument. Subsurface drip irrigation (SDI) is another production risk management technology that is generating interest from the farming community as a result of new technological

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Littlefield, Joanne. "A New Tool for Precision Agriculture: It's Site-Specific." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/622277.

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Cossette, Maximillion Kirk. "Precision Agriculture Technology Adoption and Usage in North Dakota." Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/31554.

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The world population is projected to rise, and there is a growing concern of future food availability. Precision agriculture technologies are one solution to this problem as they aim to produce more food on less land. This study examines the adoption and intensity of precision agriculture technology usage by producers in North Dakota. Data from a North Dakota State University survey was collected and analyzed using an econometric double-hurdle model. Results of the study describe which producers adopt precision agriculture technologies, which technologies complement each other, and what affect

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Chen, Yibo. "Routing algorithm dedicated to environmental data collection : precision agriculture." Thesis, Clermont-Ferrand 2, 2015. http://www.theses.fr/2015CLF22572/document.

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Les Réseaux de Capteurs Sans Fil (RCSF ou Wireless Sensor Network - WSN) sont l'une des technologies les plus importantes du 21ème siècle. La plupart des chercheurs et les analystes estiment que, dans un proche avenir, ces micro-capteurs seront intégrés partout dans l’environnement de notre vie quotidienne. Ces dernières années, l'Internet des Objets (Internet of Things - IoT) est également une des technologies émergentes qui se développe rapidement. Deux nouveaux standards permettent de déployer des réseaux sans fil de faible consommation énergétique connectés à internet : le protocole 6LowPA

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Kayrouz, Benjamin Michael. "PRECISION AGRICULTURE: REALIZING INCREASED PROFIT AND REDUCED RISK THROUGH COST MAP AND LIGHTBAR ADOPTION." Lexington, Ky. : [University of Kentucky Libraries], 2008. http://hdl.handle.net/10225/875.

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Thesis (M.S.)--University of Kentucky, 2008.<br>Title from document title page (viewed on November 3, 2008). Document formatted into pages; contains: ix, 58 p. : ill. (some col.). Includes abstract and vita. Includes bibliographical references (p. 55-57).

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Andrade-Sanchez, Pedro, and John T. Heun. "Things to Know About Applying Precision Agriculture Technologies in Arizona." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2010. http://hdl.handle.net/10150/146428.

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7 pp.<br>In this publication, we will make the case of what Precision Agriculture (PA) technologies can do to enhance the productivity of farming systems, with particular attention to the case of irrigated agriculture in the semi-arid Arizona. This guide is intended to aid growers to select the right technology when considering the need to acquire new, or upgrade existing equipment.

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Batista, Jessé Alves. "ADOÇÃO DA AGRICULTURA DE PRECISÃO NA AMAZÔNIA: ESTUDO DE CASO NA REGIÃO CONE SUL DO ESTADO DE RONDÔNIA." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/4841.

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During the last years, the application of Precision Agriculture (PA) has been a research object worldwide, and the understanding of the factors related to it becomes crucial for the development of strategies that can meet the needs of dissemination and use of such technologies. This work's objective was to identify the level of PA tools adoption in the south corner of Rondonia, a region that produces soy and corn, it the Brazilian Amazon, as well as the intention to contribute for the state of the art use of these technologies in Brazil. Data gathering was done through applying a questionnaire

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Esquerdo, Julio Cesar Dalla Mora. "Adaptação de um pulverizador convencional para a aplicação localizada de defensivos agrícolas." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11148/tde-05072002-090630/.

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Os defensivos constituem grande parte do custo total dos insumos utilizados na produção agrícola. O alto consumo de defensivos reduz a lucratividade e aumenta os riscos de contaminação ao ambiente. Uma das alternativas que vêm sendo propostas para a redução da quantidade de defensivos utilizada na produção agrícola é o chamado "gerenciamento localizado das culturas", através do uso dos conceitos da Agricultura de Precisão. Máquinas destinadas à aplicação localizada de defensivos líquidos em doses e produtos variáveis já estão presentes no mercado; entretanto, seu alto custo inicial e alta capa

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Pereira, Flávio José de Sousa. "Construção de uma bancada de ensaio e avaliação de um sistema de mensuração da produtividade de grãos." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11148/tde-31072002-150808/.

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Com o avanço da agricultura de precisão, em que a variabilidade da produtividade entre os diversos pontos de uma determinada área é levada em consideração, é necessário aprimorar, cada vez mais, o sistema de coleta de dados, para que os resultados possam ser confiáveis. Dentre outros, faz-se necessário conhecer o desempenho dos sensores localizados nas colhedoras, para que se saiba o nível de acurácia dos dados de campo para a geração dos mapas de produtividade. O objetivo do presente trabalho foi caracterizar o desempenho, sob condições controladas, de um equipamento comercial, especialmente

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Sivertsen, Kyle N. "Deployment of wireless sensor and actuator networks for precision agriculture." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45041.

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Wireless sensor and actuator networks (WSAN) are emerging as a key enabling technology for precision agriculture, a technique for maximizing crop yield and quality through targeted application of resources such as water, fertilizer and pest control agents by exploiting temporal and spatial variability in crop and soil conditions. In this thesis, we make three contributions to the field. First, we assess the state of the art in deployment and configuration of wireless sensor and actuator networks for precision agriculture, including the relevance and suitability of existing propagation models,

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Frogbrook, Zoe Louise. "Geostatistics as an aid to soil management for precision agriculture." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314311.

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Ali, Abid <1988&gt. "Remote Sensing and Site Specific Crop Management in Precision Agriculture." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amsdottorato.unibo.it/9095/1/PhD%20Tesi_Abid%20Ali_Ciclo%2032.pdf.

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Application of variable crop inputs in the right quantity and place is very important for optimizing plant growth and final yield through efficient use of finite resources and minimum environmental impacts. In this framework, actions were carried out to support the adoption of PA: In Chapter 1 several remotely sensed vegetation indices (VIs) were used to estimate the spatial crop yields of winter cereals (durum and bread wheat) and spring dicots (sunflower and coriander) through simple correlation over five years. Pixel level study was also investigated between original VIs data and kriged cro

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Teixeira, Bruno Eduardo. "Utilização de veículo aéreo não tripulado de asa fixa no monitoramento e coleta de imagem de animais e ambientes em propriedades rurais." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/74/74134/tde-06042016-133819/.

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Este trabalho tem por finalidade mostrar a aplicação e a utilização de um aeromodelo elétrico de asa fixa, também conhecido como veículo aéreo não tripulado (VANT), com controle manual ou automático, para coleta de dados e imagens em propriedades rurais, com a premissa de auxiliar os gestores no processo de gestão e tomada de decisão. A metodologia utilizada para a realização das coletas foi feita por meio de voos programados em dias e condições diferentes, para verificação e análise de desempenho do aeromodelo. Os resultados obtidos com os voos foram acima do esperado, gerando excelentes imag

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Turner, Steven Dale. "Improving production agriculture efficiencies and profitability through the development of new planting technologies." Thesis, Kansas State University, 2010. http://hdl.handle.net/2097/14045.

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Master of Agribusiness<br>Department of Agricultural Economics<br>Arlo Biere<br>With a large portion of U.S. farm production expenditures related to the cost of fertilizer, seed, and chemicals, producers within the Corn Belt region are looking for new methods and/or planting processes that would deliver higher levels of production efficiencies and lower operating costs. Specifically within the planting operation, Corn Belt producers are faced with the challenge to better manage the higher cost of crop inputs in order to sustain profitability. The primary objective of this thesis is to exa

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Souza, Cleber Kouri de [UNESP]. "Variabilidade espacial de atributos de solo e produtividade em área cultivada com café orgânico e convencional." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/105307.

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Made available in DSpace on 2014-06-11T19:34:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-06-12Bitstream added on 2014-06-13T21:06:50Z : No. of bitstreams: 1 souza_ck_dr_jabo.pdf: 545455 bytes, checksum: c75e733ce3cac410badbd40e2064934c (MD5)<br>Unincor-Univ. Vale do Rio Verde<br>O objetivo deste trabalho é avaliar a distribuição espacial de atributos do solo e produtividade da cultura do café em áreas com diferentes sistemas de manejo: sistema convencional e sistema orgânico, visando à definição de zonas específicas de manejo. Foram feitas amostragens de solos em espaçamento re

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Roccia, Clerivaldo José 1973. "Avaliação de redes de sensores sem fio aplicada a cultivos de milho, eucalipto e pinhão." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267793.

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Orientadores: Francisco José Arnold, Leonardo Lorenzo Bravo Roger<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Tecnologia<br>Made available in DSpace on 2018-08-19T02:17:11Z (GMT). No. of bitstreams: 1 Roccia_ClerivaldoJose_M.pdf: 1742155 bytes, checksum: fd0bcca80aa7a8e8592cfb08b248712e (MD5) Previous issue date: 2011<br>Resumo: Redes de Sensores Sem Fio (RSSFs) são utilizadas, normalmente, em ambientes de difícil acesso tais como vulcões, florestas, caldeiras, agricultura de precisão e gasodutos. As unidades fundamentais dessas redes são os nós sensores que t

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Menegatti, Leonardo Afonso Angeli. "Metodologia para identificação, caracterização e remoção de erros em mapas de produtividade." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11148/tde-05082002-171422/.

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A agricultura de precisão é um conjunto de tecnologias que prevê o manejo espacializado dos fatores de produção, baseado em informações coletadas e georeferenciadas. O mapa de produtividade é uma informação importante, pois materializa a resposta da cultura a todos os fatores. Diversos monitores de produtividade comerciais estão disponíveis no mercado para a coleta de informações de produtividade de forma bastante adensada. Devido à automação e à alta quantidade de informações, diversos erros ocorrem no processo de coleta e a retirada destes erros é um fator de qualidade da informação. A propo

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Povh, Fabricio Pinheiro. "Utilização de sensor ótico ativo em culturas de cereais." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11148/tde-16052008-155912/.

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A produtividade de uma determinada cultura, anteriormente tida como principal objetivo de uma propriedade rural, hoje passa a dividir espaço com múltiplos objetivos. O impacto ambiental das culturas e sistemas produtivos, qualidade dos produtos, baixo custo de produção e, conseqüentemente o aumento da eficiência no uso do nitrogênio, já fazem parte desses objetivos. Novas tecnologias vêm sendo desenvolvidas constantemente para otimizar o manejo de fertilizantes na agricultura. Os sensores óticos são uma dessas ferramentas que tem potencial para contribuir para o manejo do nitrogênio. Este trab

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Machado, Thiago Martins. "Avaliação de desempenho de receptores de GPS em modo estático e cinemático." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11148/tde-18112008-152542/.

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São inúmeras as atividades que fazem uso do sistema Global Navigation Satellite System - GNSS, sendo o Global Positioning System - GPS, desenvolvido pelos Estados Unidos, o mais utilizado. Na área de agricultura de precisão há a necessidade de posicionamento estático e cinemático com demandas de distintos níveis de acurácia e precisão para diferentes aplicações. A deficiência de informações técnicas dos fabricantes causa incertezas nos usuários, quanto à classe de receptor a ser utilizado para determinadas atividades agrícolas. Por esses motivos os objetivos deste trabalho foram: avaliar o uso

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Souza, Cleber Kouri de. "Variabilidade espacial de atributos de solo e produtividade em área cultivada com café orgânico e convencional /." Jaboticabal : [s.n.], 2006. http://hdl.handle.net/11449/105307.

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Orientador: José Eduardo Corá<br>Banca: Ednaldo Carvalho Guimarães<br>Banca: Sidney Rosa Vieira<br>Banca: Célia Regina Paes Bueno<br>Banca: Marcílio Vieira Martins Filho<br>Resumo: O objetivo deste trabalho é avaliar a distribuição espacial de atributos do solo e produtividade da cultura do café em áreas com diferentes sistemas de manejo: sistema convencional e sistema orgânico, visando à definição de zonas específicas de manejo. Foram feitas amostragens de solos em espaçamento regulares de 15m na transeção e 16m entre transeções em profundidade de 0-20cm. Determinaram-se matéria orgânica, fós

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Santos, Roberto de Souza. "Ocupação do território e modernidade : reestruturação espacial da microrregião de Rondonópolis - MT. Uma análise sociedade-natureza /." Rio Claro : [s.n.], 2006. http://hdl.handle.net/11449/104381.

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Orientador: Archimedes Perez Filho<br>Banca: Miguel Cezar Sanchez<br>Banca: Silvio Carlos Bray<br>Banca: Antonio Carlos Vitte<br>Banca: Jurandyr Luciano Sanches Ross<br>Resumo: O presente trabalho tem por objetivo desvendar e identificar as implicações espaciais e territoriais do progresso técnico-científico sobre o geossistema e quais as contribuições (e as não contribuições) que as políticas públicas de investimento (posteriormente a 1970) proporcionaram ao processo de ocupação territorial na microrregião de Rondonópolis-MT; aferir a efetiva intencionalidade ou não dos atores sociais (poder

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Addicott, James Edward. "Farming by satellites : how West Country farmers were being driven to, and by, precision agricultural systems." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/278696.

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Precision farming integrates satellite coordination and information communication technologies into farming practices to deliver self-driving and auto-regulating machinery and equipment to farmers, who can afford to invest, right across the globe. It is often sold on the basis that it can help clean up or ‘ecologically modernise’ conventional, industrial agriculture. It should also increase production rates in industrial agriculture to help to ‘feed the world’ as well as being cost effective in ways that could make farmers more money – miracle-grow formula and win-win technology. There are cri

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Baxter, Samantha Jayne. "The spatial variation of plant-available nitrogen within arable fields." Thesis, University of Reading, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272260.

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Mokrane, Adel. "Autonomous navigation of a rotary wing flying vehicles for precision agriculture." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPAST200.

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Alors que les applications d'agriculture de préecision (AP) sont déjà bien établies pour les quadrirotors, la navigation autonome, en particulier dans les champs agricoles complexes, non structurés et capricieux, reste un défi permanent pour ces véhicules. Les stratégies de navigation aérienne autonome ne doivent pas se limiter à garantir que la cible est atteinte sans entrer en collision avec les obstacles. Elles doivent également viser à identifier le chemin et la trajectoire optimaux (ou sous-optimaux) que le quadrirotor doit utiliser pour déplacer de son point de départ à sa destination, e

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Pötter, Marcel Borges. "ANÁLISE COMPARATIVA ENTRE AMOSTRAGEM DE SOLO CONVENCIONAL E AMOSTRAGEM DE SOLO PARA AGRICULTURA DE PRECISÃO." Universidade Federal de Santa Maria, 2014. http://repositorio.ufsm.br/handle/1/4804.

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Soil analysis is one of main resources for obtaining agriculture with quality and gains, being even the first way in planning this activity, to determine the necessity and quantity of fertilizer that each land needs, according recommendation of fertilization and setting. Therefore, this research is the main objective to evaluate the difference between soil analysis in conventional agriculture and soil analysis in precision agriculture. The research was developed in Restinga Seca, RS, at two distinct properties, was developed the system of conventional agriculture and, the precision agriculture

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French, Jr William David. "A Conceptual Design and Economic Analysis of a Small Autonomous Harvester." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/47787.

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Current trends in agricultural equipment have led to an increasing degree of autonomy. As the state of the art progresses towards fully autonomous vehicles, it is important to consider assumptions implicit in the design of these vehicles. Current automation in harvesters have led to increased sensing and automation on current combines, but no published research examines the effect of machine size on the viability of the autonomous system. The question this thesis examines is: if a human is no longer required to operate an individual harvester, is it possible to build smaller equipment that is

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Ruß, Georg [Verfasser], and Rudolf [Akademischer Betreuer] Kruse. "Spatial data mining in precision agriculture / Georg Ruß. Betreuer: Rudolf Kruse." Magdeburg : Universitätsbibliothek, 2012. http://d-nb.info/1047596296/34.

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Ruß, Georg Verfasser], and Rudolf [Akademischer Betreuer] [Kruse. "Spatial data mining in precision agriculture / Georg Ruß. Betreuer: Rudolf Kruse." Magdeburg : Universitätsbibliothek, 2012. http://nbn-resolving.de/urn:nbn:de:gbv:ma9:1-820.

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Esteves, Mariana Canavarro Reis Teixeira. "Precision agriculture : a spatial econometric analysis of a portuguese maize yield." Master's thesis, Instituto Superior de Economia e Gestão, 2021. http://hdl.handle.net/10400.5/22844.

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Mestrado Bolonha em Econometria Aplicada e Previsão<br>Nowadays, maize is the most important cereal in the world and its production has been increasing both worldwide and in Portugal, over the years. The constant technological development has led to the creation of new techniques such as precision agriculture, to better meet the global needs of this primordial cereal as well as optimize its production. This research was developed jointly with the firm Agro Analítica from the agriculture sector, whose area of expertise is Precision Agriculture and System Optimization. In this manner, the presen

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Wang, Chuan. "Development of plough-able RFID sensor network systems for precision agriculture." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/development-of-ploughable-rfid-sensor-network-systems-for-precision-agriculture(d19815ad-8a07-458f-8836-c0ddf7c8dc7a).html.

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There is a growing interest in employing sub-soil sensing systems to support precision agriculture. This thesis presents the design of an RFID sub-soil sensing system which is based on integrating passive RFID technology and sub-soil sensing technology. The proposed RFID sub-soil system comprises of an above-ground RFID reader and a number of RFID sub-soil sensor nodes. The key feature of the system is that the sensor nodes do not require an on-board battery, as they are capable of harvesting energy from the ElectroMagnetic (EM) field generated by the RFID reader. The sensor nodes then transmi

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