This research explores how community leaders could use Corbett’s Spectrum of Environmental Ideologies (2006) to analyze the ideologies of communication campaigns before adopting one into a community. In this research, a mixed age class of elementary students and local artisans created two “parks” in public parking spaces and participated in an arts contest in Nelson, BC. This action research used analytic coding to reflect on participants’ relationship with nature based on their response to: international Park(ing) Day and Transition Nelson. Additionally, participant recommendations for greening Nelson’s downtown core were compared with four models of social change for generating ecocentric solutions. Ecocentric solutions stem from the belief that humans and nature are interdependent. Found to be key were nurturing participants’ nascent ecocentric values and investigating the campaign materials deeply. Additionally building motivation, exploring alternatives, problem-solving, partnerships and improved organizational communication are important elements of social change.

La préparation de commandes est une activité primordiale dans les entrepôts de distribution (près de 60% des coûts opérationnels dans les entrepôts traditionnels). Un des moyens de réduire ces coûts est de collecter plusieurs commandes simultanément, plutôt qu’une par une ; cela permet d’éviter des déplacements inutiles des opérateurs dans le cas de collecte manuelle des produits, et de moins solliciter les machines, dans le cas de collecte automatisée. Nous considérons dans cette thèse des entrepôts de distribution où les produits sont stockés dans des machines appelées stockeurs automatisés composés de plateaux sur lesquels les produits sont stockés ; nous prenons en compte deux types de stockeurs : les VLMs et Carousels. Ces deux types de machines, en plein développement, se différencient par le temps nécessaire pour passer d’un plateau au plateau suivant à visiter (constant dans le cas d’un VLM, dépendant du nombre d’étages entre les 2 plateaux visités dans le cadre des carousels). L’objectif de la thèse est donc de développer des méthodes pour faire des regroupements de commandes en lots dans des entrepôts automatisés afin de collecter un ensemble donné de commandes le plus efficacement possible selon des critères que nous allons définir.Nous étudions tout d’abord un premier type de regroupement de commandes en lots, pour lequel chaque lot sera collecté entièrement (toutes les commandes composant le lot seront traitées) avant de passer au suivant. Nous parlerons simplement de batching. Nous évaluons le temps de préparation de commandes, dans le cas où l’opérateur effectue la collecte sur une ou sur plusieurs machines. L’intérêt d’utiliser plusieurs machines est de permettre la recherche de plateaux en temps masqué (le stockeur effectue un changement de plateaux pendant que l’opérateur est occupé à effectuer la collecte sur d’autres stockeurs). Cette évaluation du temps de préparation de commandes nous permet d’extraire un critère d’optimisation et d’établir des modèles d’optimisation exacts pour les VLMs puis les carousels. Ces modèles sont ensuite testés avec des données réelles d’entreprise, grâce au partenariat avec l’entreprise KLS Logistic, éditeur du WMS Gildas. Enfin, nous étendons la résolution aux méthodes approchées de type métaheuristiques, afin de garantir de bonnes solutions sous un temps de calcul raisonnable. Des résultats significatifs en termes de réduction du temps de préparation de commandes permettent de justifier l’intérêt de nos travaux.Nous étudions ensuite un deuxième type de regroupement, où un ensemble de commandes est collecté simultanément mais, contrairement au cas précédent, à chaque fois qu’une commande est terminée, elle est immédiatement remplacée. Nous parlerons ici de « Rolling batching ». Cette approche est classiquement utilisée dans les « Drive ». Nous nous focalisons sur le cas de collecte effectuée sur des carousels, système le plus utilisé dans les « Drive ». Nous développons un algorithme permettant le calcul du temps d’attente de l’opérateur. Une résolution approchée couplant l’utilisation d’heuristiques et d’une métaheuristique est proposée afin de résoudre efficacement le séquencement des commandes. Nous notons que des gains significatifs sont obtenus par l’utilisation de la méthode proposée. / The order picking is a critical activity in distribution warehouses (60% of the operational costs in traditional warehouses). One way to reduce these costs is to collect several orders simultaneously, rather than individually, to avoid unnecessary travels to the operators in the case of manual picking of the products, and less workload for the machines, in the case of automated picking. We consider, in this PhD, warehouses where products are stored in automated storage systems composed by trays on which products are stored. We consider two types of machines: VLMs and Carousels. These two types differ by the time required to move from a tray to the next one to visit (constant in the case of a VLM, depending on the number of trays between 2 consecutively visited trays for the carousels). We aim to develop order batching methods in automated warehouses to collect a set of orders efficiently, according to criteria that we will define.We study a first category of order batching, for which each batch will be entirely collected (all orders associated with a given batch will be collected) before moving to the next batch. We evaluate completion time, when the operator does the picking on one or several machines. The interest of using multiple machines is to search trays in masked time (the machine change trays while the operator is busy to collect on other machines). From this evaluation of the completion time, we extract an optimization criterion and establish optimization models for the VLMs then the carousels. These models are then tested with actual data, thanks to the partnership with the company KLS Logistic, editor of the WMS Gildas. Finally, we extend the resolution to metaheuristics, to ensure good solutions under reasonable computation time. Significant savings in terms of completion time reduction justifies the interest of our work.We then study the second category, where a set of orders is collected simultaneously, but unlike the previous case, whenever an order is collected, it is immediately replaced by a new one. We'll talk here about "Rolling batching”. This approach is typically used in the "Drive-in shops". We develop an algorithm for the computation of the waiting time of the operator. Resolution coupling heuristics and a metaheuristic is proposed in order to effectively resolve the order sequencing. Significant gains are achieved by the use of the proposed method.

The aim of this work was to assess the meat performance of hens and bulls of the Galloway breed and their crossbreeds from organic farming and their subsequent comparison with each other. Further comparing the yields of their JUT with the results of another six breeds of cattle that were behaving in a non-organic conventional manner.

Made available in DSpace on 2015-04-11T13:54:46Z (GMT). No. of bitstreams: 1 Dissertacao Wanderleia do Nascimento.pdf: 13562081 bytes, checksum: a816efdebb3de5e4fb8f9c33d9c881f1 (MD5) Previous issue date: 2009-12-10 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / The study aimed to identify the environmental impacts caused during the implementation and operation of land divisions in the APA, to propose adequate procedures for environmental licensing of the activity, along with environmental agencies. The identification and qualitative characterization of the environmental impacts have been realized from the use of the method List of Control ("Check-List"), which consists in the glimpse and the list of consequences (impacts), when is considerate the transformative potential of the environment physical, biotic and anthropic causes (impacting activities). To facilitate their evaluation, the method of Leopold Matrix, which facilitated the visualization and assessment of impacts on different components of the environment. To identify waterways, was used 1:50,000 basemap IBGE, using ArcGIS 9.3 softwere and Cadastral base of the City of Manaus, SEMEF scale of 1:2,000. After systematic data above was used to effect the SRTM image density of the watercourses in the area of Urban APA. For the spatio-temporal, multispectral images were used TM / Landsat 5, QuickBird, in the period that comprises the years 2001, 2005 and 2008 as well as aero-photogrammetric data (aerial photographs) for analysis of the temporal evolution of environmental degradation APA. Possibilitaramde Studies show that from the viewpoint of environmental impacts are common to the "Sizes", which differs only in intensity and magnitude of them. This information was evident when were making inquires about the impacts, which was concentrated in lots of different sizes: two medium-sized and two large-sized array and qualitative and quantitative. It was demonstrated that the allotments of Large Size with low population density tend to cause relatively less significant impacts than others who occupy smaller areas, considered in Small and / or Medium-sized, however, occupied more intensively. It was verified that the housing lot makers are responsible only for the suppression of plant part of the blending infrastructure (installation of building site, road system and recreation area), leaving the responsibility of the owners, the deforestation of the lots. This procedure revealed that a large portion of deforestation is the result of occupation of the plot, made without authorization from the Environmental Agency, disregarding the criteria of the legislation and no monitoring of construction, disrespecting the legal reserve area and interventions in the vast majority of Permanent Preservation Areas -APP. On the temporal analysis, the supervised classification was performed on Total Area of the APA, allowing the calculation of the dynamics and spatial-temporal process of deforestation, with allowance for the analysis of the study area which is its urban area. In the period 2006-2008, the rate of deforestation over the area of the BB was 63.26%. However, over the period analyzed, there was a reduction, an increase of only 6.36% and rate of progression was 59.78%. Analyzing the evolution of deforestation in the Urban Area of the APA, it was found that the main vectors of deforestation were: exploration of mineral products for immediate use in construction, crops, vegetation removal activities for industrial facilities, as well as invasions of areas, than the allotments. / O estudo teve como objetivo identificar os impactos ambientais provocados na fase de implantação e operação de loteamentos na APA, visando propor adequação nos procedimentos de licenciamento ambiental da atividade, junto aos órgãos ambientais. A identificação e a caracterização qualitativa dos impactos ambientais foram realizados a partir da utilização do método Listagem de Controle ( Check-List ), que consiste, no vislumbramento e na listagem de conseqüências (impactos ambientais), quando se considera o potencial transformador do ambiente físico, biótico e antrópico, de causas (atividades impactantes). Para facilitar sua avaliação foi utilizado o método de Matriz de Leopold, que facilitou a visualização e a valoração dos impactos sobre os diferentes componentes do ambiente. Para identificação dos cursos d água, foi utilizado base cartográfica na escala 1:50.000 do IBGE, utilizando o Softwere ARCGIS 9.3, bem como base Cadastral da Cidade de Manaus, escala 1:2.000 da SEMEF. Após sistematização dos dados acima citados, foi utilizado imagem SRTM para efetivar o adensamento dos cursos d água da área Urbana da APA. Para a dinâmica espaço-temporal, foram utilizadas imagens multiespectrais Sensores TM/LANDSAT 5, QUICKBIRD, no período compreendendo os anos de 2001, 2005 e 2008, bem como dados aero-fotogramétricos (fotografias aéreas), para análise da evolução temporal da degradação ambiental da APA. Os estudos possibilitaramde demonstrar que do ponto de vista ambiental, os impactos são comuns aos diferentes Portes , diferenciado-se apenas na intensidade e na magnitude dos mesmos. Essa informação foi evidenciada durante a fase de levantamento dos impactos, que foi concentrado em loteamentos de portes diferenciados: dois de porte médios e 2 de porte grande e na matriz qualitativa e quantitativa. Ficou evidenciado que loteamentos de Porte Grande com pouca densidade populacional tendem a causar impactos relativamente menos significativos do que outros que ocupam áreas menores, considerados de Pequeno e/ou Médio Porte, porém, ocupados de forma mais intensa. Foi constatado ainda, que os loteadores são responsáveis apenas pela supressão vegetal da parte de infra-estrutura do loteamento (implantação de canteiro de obras, sistema viário e área de lazer), deixando sob a responsabilidade dos proprietários, o desmate dos lotes. Esse procedimento evidenciou que uma grande parcela do desmatamento é resultante da ocupação dos lotes, feito sem autorização do Órgão Ambiental, desrespeitando os critérios da legislação e sem acompanhamento da construtora, desrespeitando a área de reserva legal e intervenções na grande maioria das Áreas de Preservação Permanente APP. Quanto a análise temporal, a classificação supervisionada foi realizada na Área Total da APA, possibilitando calcular a dinâmica e o processo espaço-temporal de desflorestamento, dando subsídio para análise da área objeto de estudo que é a sua Área Urbana. No período de 2006 a 2008, a taxa de desflorestamento em relação a área total da APA foi de 63,26%. Porém, em relação ao período analisado, houve uma redução, com incremento de apenas 6,36% e índice de evolução de 59,78%. Na análise da evolução do desflorestamento na Área Urbana da APA, constatou-se que os principais vetores de desflorestamento foram: exploração de produtos minerais para emprego imediato na construção civil, culturas agrícolas, atividades supressão vegetal para instalações industriais, bem como invasões de áreas, além dos loteamentos foco desta pesquisa

Until the last half century, land development patterns in the Intermountain West were designed after the Mormon settlement pattern. With its gridiron streets and in-town farmsteads, this pattern gave families the opportunity to grow crops and raise a few animals on their one acre or less in town with the added advantage of having a social life. Over the last century, small farms have dwindled and large farms have increased in size. However, in the Intermountain West the farmstead tradition continues with families who grow gardens and raise animals on their large city lots, who value self-sufficiency, and who thrive in wide open spaces. To better understand the land uses and preferences of this population, a research survey was mailed to a sample pool of residents of Cache Valley, Utah who live on large lots with animal rights. They contributed an array of data about their backgrounds and how they are specifically using their land. Their responses validated the existence of a continued agrarian culture and gave insight on how they felt about trends in conservation subdivisions and common open space. A range of opinions about ideal lot size supported rural planners' suggestions to develop lots of varying sizes to meet the needs of a diverse population. Small farms on large lots can be a valuable part of a sustainable urban and rural environment. Local vegetables and agricultural products bring nature and natural processes back to an urban setting and reduce the environmental footprint imposed by extensive shipping. Culturally, small farmers provide a connection to the past and fulfill a lifestyle choice for a rural-minded population. Particularly in the Intermountain West, planners need to integrate these small farms into their developments to preserve the rural character of towns and cities of the region.

No description available.

No description available.

The latest generation of semiconductor wafer fabs produce Integrated Circuits (ICs) on silicon wafers of 300mm diameter. In this dissertation, we address the following two types of (new) scheduling problems that are encountered in this generation of wafer fabs: multiple-lots-per-carrier scheduling problem (MLCSP) and integrated automated material handling and lot scheduling problem (IMHLSP). We consider several variations of the MLCSP depending upon the number of machines used, the prevailing processing technology of the machines, and the type of objective functions involved. For the IMHLSP, we study two instances, one with infinite number of vehicles and the other with finite number of vehicles. We begin by introducing a single-machine, multiple-lots-per-carrier with single-wafer-processing-technology scheduling problem for the objective of minimizing the total completion time (MLCSP1). The wafer carrier is a front-opening unified pod (FOUP) that can hold a limited number of wafers. The problem is easy to solve when all the lots are of the same size. For the case of different lot sizes, we first relax the carrier (FOUP) capacity and propose a dynamic programming-based algorithm, called RelaxFOUP-DP, which enables a quick determination of its optimal solution that serves as a lower bound for the problem with limited FOUP capacity. Then, a branch-and-bound algorithm, designated as MLCSP1-B&B, is developed that relies on the lower bound determined by the RelaxFOUP-DP algorithm. Numerical tests indicate that MLCSP1-B&B finds optimal solutions much faster than the direct solution of the MLCSP1 model by the AMPL CPLEX 10.1 Solver. In fact, for the medium and low density problems, the MLCSP1-B&B algorithm finds optimal solutions at the starting node (node zero) itself. Next, we consider a single-machine, multiple-lots-per-carrier with single-carrier-processing-technology scheduling problem for the objective of minimizing total completion time (MLCSP2). As for the case of MLCSP1, the optimal solution for the case in which all the lots are of the same size can be obtained easily. For the case of different lot sizes, we determine a lower bound and an upper bound for the problem and prove the worst-case ratios for them. Subsequently we analyze a two-machine flow shop, multiple-lots-per-carrier with single-wafer-processing-technology scheduling problem for the objective of minimizing the makespan (MLCSP3). We first consider a relaxed version of this problem, and transform the original problem to a two-machine flow shop lot streaming problem. Then, we propose algorithms to find the optimal capacitated sublot sizes for the case of lots with (1) the same ratio of processing times, and, (2) different ratios of processing times on the machines. Since the optimal solutions obtained from the lot streaming problem may not be feasible to the MLCSP3, we develop heuristic methods based on the heuristic procedures for the bin packing problem. We develop four heuristic procedures for lots with the same ratio of processing times, and another four procedures for lots with different ratios of processing times on the machines. Results of our numerical experimentation are presented that show that our heuristic procedures generate almost optimal solutions in a matter of a few seconds. Next, we address the integrated automated material handling and lot scheduling problem (IMHLSP) in the presence of infinite number of vehicles. We, first, propose a new strong hybrid model, which has the advantages of both segregate and direct models. In the segregate model, a job is always transferred to the stocker after its completion at a station, while in the direct model, it is transferred to the next machine in case that machine can accommodate the jobs; otherwise, the job will stay at current station. The decisions involved in the strong hybrid model are the sequence in which to process the lots and a selection between the segregate and direct models for each lot, whichever optimizes system performance. We show that, under certain conditions about the processing times of the lots, the problem can be approximated by the cases of either infinite buffer or zero-buffer at the machines. Hence, we consider all three cases of the IMHLSP in this chapter, namely, infinite buffer, zero-buffer, and limited buffer sizes. For the strong hybrid model with limited buffer size, we propose a branch-and-bound algorithm, which uses a modified Johnson's algorithm to determine a lower bound. Two upper bounds for this algorithm are also determined. Results of our numerical investigation indicate that our algorithm finds optimal solutions faster than the direct solution of the IMHLSP model by the AMPL CPLEX 10.1 Solver. Experimental results also indicate that for the same problem size, the times required to solve the IMHLSP model with interbay movements are larger than those for intrabay movements. Finally, we investigate the IMHLSP in the presence of limited number of vehicles. Due to the complex nature of the underlying problem, we analyze small-size versions of this problem and develop algorithms for their solution. For some of these problems, we can find optimal solutions in polynomial time. Also, based on our analysis on small-size systems, we have shown why some real-time dispatching (RTD) rules used in real fabs are expected to perform well while not the others. In addition, we also propose some new and promising RTD rules based on our study. / Ph. D.

La problématique des contaminations croisées (transfert inter-lots de micro-ingrédients : additifs et/ou produits médicamenteux) dans le secteur de l'alimentation animale est entrée, depuis quelques décennies, au cœur des préoccupations de la profession. Ce phénomène se décompose en 2 phases : le dépôt de particules par un lot de fabrication et sa récupération par le/les lot(s) suivant(s). Plusieurs études expérimentales, ont incriminé l’élévateur à godets post-mélangeur dans l’augmentation du niveau de contamination d’une ligne de fabrication. Cet appareil de manutention achemine verticalement des mélanges pulvérulents de diverses matières premières, pouvant contenir, en particulier, des additifs ou des produits médicamenteux. L’objectif de ces travaux est de comprendre dans quelles mesures cet appareil est source de transfert inter-lots, et quels paramètres liés au procédé entrent en jeu. Plusieurs outils ont été mis en place et la réalisation d'un plan d’expériences a permis de mettre en lumière l’impact de certains facteurs sur la contamination croisée :d’une part, le mode de vidange (lié à la vitesse de la sangle) en tête de l’élévateur et l’angle de la bavette de jetée agissent sur la quantité de micro-ingrédient déposée lors du passage d’un lot, et d’autre part, l’espace autour des godets, modifie la capacité du lot suivant à collecter les reliquats.Ces informations définissent une position optimale des paramètres de l’élévateur qui, sur pilote, réduit le niveau de contaminations croisées de 9 à 7 %. Enfin, des observations des champs de vitesses pendant la jetée du produit ont apporté de éléments de compréhension sur mouvements d'air et d'aérosols à l'origine des contaminations. / Carry-over of additives and/or medicated products is a common issue in feed industry and, by extension in most of powder handling industries. Currently carry-over rate of a production line can be accurately defined but the causes are not identified yet. It can be broken into 2 phases : firstly, particle deposit during one batch processing and then, their collecting during the following batches. Experimental studies, carried out on industrial sites or on test benches, charged the bucket elevator situated just after the mixer to be responsible for a significant increase of cross contamination rate of industrial feed production lines. Therefore this work focuses on this handling device. It transfers mixing of several raw materials in powdery forms, which may contain micro-ingredients, especially additives or medicated products. The aim of this study is to understand how process operations affect cross contamination rates during bucket elevator handling. A test bench of this handling device, a reference product and laboratory methods have been setup. Moreover, an experimental fractional factorial design highlights the effects of several process parameters : on one hand the discharge phase on elevator head (linked to belt velocity) and the discharge spout angle act on microingredients deposit mass. On the other hand, spacing between buckets and the leg’s inner surface influences micro-ingredients collected mass. Furthermore, ideal position of process parameters has been defined. By this way, cross contamination rate on the test bench has been decreased from 9 to 7 percent. Finally, velocity fields observations during the discharge phase leads to better understanding of how these process parameters influence cross contamination rate.

Submitted by Maria Beatriz Vieira (mbeatriz.vieira@gmail.com) on 2017-03-28T13:55:09Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) dissertacao_jose_ricardo_bagateli.pdf: 1010410 bytes, checksum: 368da44d8b3c8093608111216ecbe160 (MD5) / Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2017-04-05T17:39:56Z (GMT) No. of bitstreams: 2 dissertacao_jose_ricardo_bagateli.pdf: 1010410 bytes, checksum: 368da44d8b3c8093608111216ecbe160 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2017-04-05T17:40:52Z (GMT) No. of bitstreams: 2 dissertacao_jose_ricardo_bagateli.pdf: 1010410 bytes, checksum: 368da44d8b3c8093608111216ecbe160 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2017-04-05T17:41:01Z (GMT). No. of bitstreams: 2 dissertacao_jose_ricardo_bagateli.pdf: 1010410 bytes, checksum: 368da44d8b3c8093608111216ecbe160 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2015-08-06 / Sem bolsa / Sementes de alto vigor proporcionam uma rápida e uniforme emergência de plântulas em campo, resultando em plantas que possuem um potencial produtivo mais elevado. A pesquisa tem conseguido elucidar a relação entre o vigor das sementes e o estabelecimento das lavouras, porém o mesmo destaque não vem sendo dado aos estudos para avaliar o comportamento das plantas durante o ciclo fenológico e a produção. Desse modo, este trabalho objetivou verificar o efeito da variação do nível de vigor dos lotes de sementes sobre o crescimento das plantas, sobre os componentes de rendimento e produtividade da cultura da soja. Duas cultivares de soja correspondentes às cultivares NK 7059 RR e SYN 1059 RR tiveram seus lotes ranqueados nos níveis de vigor de 65%, 70%, 75%, 80%, 85%, 90% e 95% pelo teste de envelhecimento acelerado e semeados em campo. O experimento foi conduzido na Fazenda Iruna localizada no Paraguai, durante a safra de 2014/15. O delineamento experimental utilizado foi em blocos casualizados, em esquema fatorial 2x7 composto por cultivares e níveis de vigor, respectivamente, com cinco repetições. Os resultados foram submetidos à análise de variância e quando significativos, os efeitos de cultivares foram avaliados pelo teste de Tukey, enquanto que os efeitos dos níveis de vigor avaliados através de regressões polinomiais. O acréscimo no vigor das sementes provoca aumentos lineares no crescimento das plantas, no número de legumes por planta, no número de sementes por planta, na massa de mil sementes e na produtividade da soja. Cultivares de soja demonstram comportamentos diferentes frente à variação no nível de vigor das sementes para a massa de mil sementes e para a produtividade, sendo que, dependendo da cultivar, cada ponto percentual de acréscimo no nível do vigor de sementes é capaz de aumentar a produtividade em até 28,0 kg há-1. O uso de sementes com níveis de vigor de 95% pode incrementar a produtividade da soja em 842 kg há-1, provocando acréscimos superiores a 35% no rendimento de grãos de soja. / High vigor seeds provide rapid and uniform seedling emergence in the field, resulting in plants that have a higher yield potential. The research has been able to elucidate the relationship between seed germination and establishment of crops, but the same emphasis is not being given to studies to evaluate the behavior of the plants during the phenological cycle and production. This study aimed to verify the effect of varying the force level of seed lots on the growth of plants on yield components and soybean yield. Two soybean cultivars, NK 7059 RR and SYN 1059 RR, had their batch ranked levels of force 65%, 70%, 75%, 80%, 85%, 90% and 95% by accelerated aging test and sown in the field. The experiment was conducted at Fazenda Iruna located in Paraguay, during the harvest of 2014/15. The experimental design was a randomized block in a factorial 2x7 consists of cultivars and levels of force, respectively, with five repetitions. The results were submitted to variance analysis and when significant, the effects of cultivars were evaluated by the Tukey test, whereas the effects of the levels of force evaluated by polynomial regression. The increase in seed force causes linear increases in plant growth, number of pods per plant, number of seeds per plant, mass of thousand seeds and soybean yield. Soybean cultivars show different behaviors to the variation in the force level of the seeds to the mass of a thousand seeds and productivity, and, depending on the cultivar, every percentage point increase in seed force level is able to increase productivity up to 28.0 kg ha-1. Lots with low vigor reduce productivity by 26.5% .The use of seeds with force levels of 95% can increase soybean yield at 842 kg ha-1.