The use of available resources in the property is of paramount importance for the sustainability of the system. In this sense, the objective was to study the agronomic viability of mint Mentha piperita under amounts and forms of application of the organic fertilization in the semiarid of Brazil. The experiment was conducted at the experimental farm Rafael Fernandes in the period from August 2017 to November 2017, in the Alagoinha district, rural area of Mossoró-RN. The experimental design was a randomized complete block design in a 5 × 2 factorial scheme, with four replications. The first factor consisted of the quantities of the mixture of jitirana plus bovine manure (0.0, 1.4, 2.8, 4.2 and 5.6 kg m-2), the second factor was composed by the way of handling the mixture of jitirana and bovine manure (incorporated and in cover). For the mint crop, the cultivar Mentha piperita was planted. The following characteristics were evaluated: biomass height, green mass production; number of bunches; dry mass production; oil content and oil production. No interaction was observed between the amounts of organic fertilization in the forms of management of organic fertilization in the characteristics evaluated. The best agronomic performance of mint was observed in the amount of 4.2 kg m-2, with green mass production of 1.5 kg m-2, equivalent to 16.4 units m-2. Organic fertilization becomes viable option to be used in the fertilization of the mint.
Biometric analysis is of great importance for the evaluation of the characteristics of the seeds, being used to predict the physiological aspect. In this context, the objective was to study the biometry of seeds of cowpea bean varieties cultivated by family farmers in the Brazilian Northeast. The work was carried out from April to July 2018, consisting of the harvesting of cowpea bean seeds in the agroecological production area, of the region of Apodi, Northeast Brazil. A completely randomized design with six treatments (owl, canapum, lizão, always green, cow's rib plus cultivar BRS potiguar) and six replicates of 100 seeds was used. A completely randomized design with six treatments and six replicates of 100 seeds was used. The evaluated characteristics were: length and width of seeds, expressed in mm; length/width ratio of seeds, expressed in mm; weight of one hundred seeds, expressed in g; weight of one thousand seeds, expressed in grams and quantity of seeds per kg, expressed in units kg -1 . There was a statistical difference between the varieties of cowpea for the biometric characteristics studied. The cowpea variety was statistically superior to the others, for the characteristics, seed length (11.37 mm), length (2.14 mm) length ratio, weight of one hundred seeds (31.16 g) and weight of one thousand seeds (312.46 g). The BRS potiguar variety was statistically superior to the characteristic number of seeds per kilo (5099.16 units kg -1 ).
The objective of this paper was to determine the expected wind speed (km/day) as a function of the daily average values, at various levels of probability, recorded during thirty-eight years for the city of Mossoró-RN. Based on the Kolmogorov-Smirnov test, we found that the beta distribution can adequately describe the wind pattern, for all months of the year. We found average wind velocity values of 219.0 km/day demonstrating the great possibility of using this meteorological element as an alternative source of energy for the region.
Este e-book coloca em evidência os trabalhos completos apresentados no I Simpósio de Pós-Graduação em Engenharia de Processos, que teve como tema "O Empoderamento Científico e seus Aspectos Inovadores". Organizado pelo Programa de Pós-Graduação em Engenharia de Processos (PPGEP) da Universidade Federal de Campina Grande (UFCG), o Simpósio apresentou um caráter multidisciplinar transversal, incluindo as áreas de Engenharia, Ciências da Saúde, Exatas e da Terra e Ciências Agrárias, e como objetivo, divulgar o estágio de desenvolvimento de estudos inovadores nas áreas citadas. A presente publicação conta com 18 capítulos divididos em três Unidades, a saber, Processos Térmicos e de Separação, Desenvolvimento e Tecnologia de Materiais e Bioprodutos. Estes capítulos tratam de temas tais como o desenvolvimento de um secador solar de exposição indireta, caracterização reológica e térmica de blendas de pet reciclado, secagem de sementes de sorgo e de banana nanica, obtenção de corante natural do pimentão vermelho, compostos bioativos do pimentão amarelo, compostos bioativos do alho, gargalos do processo produtivo de mel, avaliação do ruído ocupacional em determinada empresa, avaliação de parâmetros respiratórios em operários de empresa de produção de brita e incidência de anemia ferropriva em crianças de uma creche municipal. Estes temas são uma prova da multidisciplinaridade do evento. Os trabalhos científicos foram apenas uma parte das atividades desenvolvidas no Simpósio. Ocorreram também palestras, tais como "O empoderamento científico e seus aspectos inovadores para a ciência e sua interdisciplinaridade" e "Discutindo a modelagem atual da turbulência"; mesas-redondas como "A inovação e seus impactos no desenvolvimento de novos produtos e processos" e minicursos como "Microencapsulação por spray drying: teoria e prática", "Programação aplicada à pesquisa usando software Wolfram Mathematica", "Fermentação em estado sólido: fundamentação e estudo de caso", "Escoamento multifásico nas engenharias" e ''Uso de OpenFoam para análise em CFD''. Todas estas atividades, incluindo o presente e-book, mostram a relevância desta primeira edição do Simpósio de Pós-Graduação em Engenharia de Processos e você, leitor, se deseja se informar sobre os desenvolvimentos inovadores em Engenharia de Processos e áreas correlatas, não deve perder as próximas edições desse Simpósio.
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