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Publications (44)
1 RESUMO Este trabalho teve por objetivo desenvolver uma análise econométrica comparativa entre os sistemas de alagados construídos (tipo combinado) e lagoas de estabilização (modelo facultativa) em função de seis tamanhos de granjas de terminação de suínos e dois tipos de manejos aplicados nos dejetos (úmido x seco). Os resultados mostraram que o...
One of the major constraints to sustainable tillage is the rapid decomposition of the dry matter. The mechanism known to facilitate this process is the interference in the metabolic pathways of lignin polymers from spraying herbicide underdoses. This study has aimed to verify the effect of underdoses of haloxyfop-methyl in the synthesis of lignin a...
The crambe has emerged as an option for the production of biodiesel, constituting itself as an alternative for off-season grain in Brazil. To obtain the best performance in the post-harvest product processing, knowledge of physical characteristics of the grains to as well as of the design of machines and structure storage is necessary. After pre-cl...
Glyphosate has significant effects on the growth and development of plants when in underdoses. This work was developed to verify the effect of the application of glyphosate in underdoses in lignin synthesis and consequently decomposition of maize stover. Two experiments were conducted; the first one in a greenhouse for underdoses adjustments and th...
Soil compaction is one of the limiting factors in areas subjected to direct seeding. The method used to break up the compacted layer should disturb the soil as little as possible, as well as maintain the ground cover. The aim of this study was to evaluate the influence of subsoiling, scarification and use of shaft-type furrowing mechanisms when sow...
A semeadura direta e caracterizada pela minima mobilizacao do solo durante operacao, com emprego de maquinas especificas, logo, as semeadoras-adubadoras passaram a ter importância fundamental nestes sistemas de producao. Diante do exposto objetivou-se com o trabalho avaliar o custo operacional efetivo por hectare de uma semeadura de milho com difer...
Uma das limitações para sustentabilidade do sistema de cultivo em plantio direto é a rápida decomposição da matéria seca. Um dos mecanismos conhecidos para minimizar este processo e potencializar a permanência da palhada no solo é alterar as vias metabólicas dos polímeros de lignina com aplicação de subdoses de herbicida, interferindo diretamente n...
Soil compaction is one of the limiting factors in areas subjected to direct seeding. The method used to break up the compacted layer should disturb the soil as little as possible, as well as maintain the ground cover. The aim of this study was to evaluate the influence of subsoiling, scarification and use of shaft-type furrowing mechanisms when sow...
Realizou-se o presente trabalho objetivando avaliar a propagação de três variedades de caramboleira por estaquia em função da dose de regulador de crescimento (ácido indolbutírico - AIB), empregada no tratamento das estacas. Foram utilizadas estacas herbáceas apicais, sendo o experimento conduzido em câmara de nebulização intermitente, localizada e...
The present work is about a comparative study of two methodologies (MIALHE and ASABE), used to calculate the cost per hectare in the tillage operation in the culture of corn. The methodology of ASABE presents a higher cost per hectare in relation to the MIALHE proposal, being that the methodologies presents similar costs related to the depreciation...
Currently, the production of biodiesel in the world is growing so rapidly, this interest and demand for biodiesel promote an increase in demand for raw materials, or lipids. Biodiesel is a substitute for diesel oil obtained by transesterification, acid or base, of the lipids present in oils and fats. The Crambe abyssinica Hochst is species plant th...
O presente trabalho trata do estudo comparativo de duas metodologias (MIALHE e ASABE) utilizadas para o calculo do custo por hectare na operacao de semeadura direta na cultura do milho. A metodologia da ASABE, apresentou um custo por hectare superior em relacao a proposta de MIALHE, sendo que as metodologias apresentaram custos semelhantes referent...
This work had as objective to evaluate the performance of mechanisms of cutting of the no-tillage seedrills in different vegetable coverings and applied vertical loads. The experimental design used was in randomized blocks and factorial scheme 3 x 4, with four replications. The trials were accomplished with three different mechanisms of culting of...
This work was carried out to evaluate fluorescence through electron transport rate (ETR), water consumption and intoxication of Ipomoea triloba after application of four herbicides with different mechanisms of action. The herbicides glyphosate, haloxyfop-methyl, diuron, and amicarbazone were applied using a stationary sprayer installed in the labor...
A mensuração da unidade experimental consiste numa técnica adequada para estimar a médiado caráter em avaliação, sendo que a experimentação deve ser bem compreendida e executada,pois a precisão caracteriza a qualidade das inferências dos resultados. Objetivou-se verificar apossibilidade de obter a quantidade de frutos para amostragem de lichieira,...
A bananeira é uma espécie frutífera de grande importância econômica, principalmente para a região do Vale do Ribeira, maior produtora no Estado de São Paulo. A formação de mudas é uma das principais etapas a serem observadas e realizadas com o maior cuidado possível, evitando a contaminação de materiais e sua proliferação em condições de campo. Atu...
Amicarbazone is one of the most important herbicides registered for weed control in sugarcane. It must be absorbed, translocated, and reach the chloroplasts of leaf cells to act on its binding site in the photosystem II. The objective of this work was to evaluate the effects of applying amicarbazone on the electron ltransport rate (ETR) of Ipomoea...
O objetivo do trabalho foi avaliar a eficiencia fotossintetica da cana-de-acucar apos aplicacao, em pre-emergencia, de dois herbicidas inibidores da fotossintese. Para o plantio dos toletes da cana-de-acucar (variedade SP80-3280), utilizaram-se vasos com capacidade de 8 dm 3 . A aplicacao do atrazine e tebuthiuron foi realizada atraves de um pulver...
This study aimed to evaluate crambe seeds germination and vigor under water stress
conditions induced by polyethylene glycol solutions. The seeds were germinated on substrate
moistened with polyethylene glycol solutions, using the osmotic potentials of 0 (control), -0.2,
-0.4, -0.6, -0.8, -1.0, -1.2 and -1.4 MPa. The seeds germination was evaluated...
The objective of this study was to characterize the energy consumption in the deployment and conduction of the culture of Crambe abyssinica Hochst in no-tillage, at the Experimental Farm belonging to the Faculty of Agronomic Sciences - UNESP, located in Botucatu - SP, Brazil. Assessing the sustainability of the system were estimated, energy efficie...
LIM and SH3 protein 1 (LASP-1) is a nucleo-cytoplasmatic signalling protein involved in cell proliferation and migration and is upregulated in breast cancer in vitro studies have shown that LASP-1 might be regulated by prostate-derived ETS factor (PDEF), p53 and/or LASP1 gene amplification. This current study analysed the prognostic significance of...
No presente trabalho que foi realizado na Fazenda Experimental Lageado, da Universidade Estadual Paulista em Botucatu, SP, objetivou-se avaliar os custos envolvidos na produção de silagem de grãos úmidos de milho, tendo como referência o processamento seco deste cereal, ambos cultivados em sistema de plantio direto. Para a avaliação foram determina...
Visando estabelecer a contribuição dos parâmetros físicos na qualidade final da silagem de grãos úmidos de milho, foi conduzido experimento, no interior de câmara climatizada, simulando cinco condições de temperatura ambiente (5ºC 24h-1 por dia; 25ºC24h-1 por dia; 40ºC 24h-1 por dia; 20ºC 16h-1 por dia + 5ºC 8h-1 por dia; 30ºC 16h-1 por dia + 20ºC...
This work was carried out at FCA-Botucatu/UNESP - São Paulo State University, with the aim to evaluate the costs involved in high moisture corn silage production, using the corn drying process as witness, both cultivated in no-tillage system. The costs involved in the operations of agricultural machines, inputs and post harvest phase were obtained...
Visando estabelecer a contribuicao dos parâmetros fisicos na qualidade final da silagem de graos umidos de milho, foi conduzido experimento, no interior de câmara climatizada, simulando cinco condicoes de temperatura ambiente (5°C 24h -1 por dia; 25°C 24h -1 por dia; 40°C 24h -1 por dia; 20°C 16h -1 por dia + 5°C 8h -1 por dia; 30°C 16h -1 por dia...
O objetivo do trabalho foi apresentar análises e comparações sobre o desempenho térmico de um galpão para aves de postura, na região de Bastos, estado de São Paulo, adaptado a partir de alternativas naturais de acondicionamento, tendo como referências um galpão não adaptado, ou seja, de tipologia mais comum na região e outro acondicionado artificia...
The work aimed at presenting analyses and comparisons of the thermal performance of a laying hens housing in the region of Bastos, in the state of São Paulo, adapted from natural alternatives of acclimatization, having a not adapted housing as reference, that is, of a more common typology in the area, and another one, artificially acclimatized. The...
The work aimed at presenting analyses and comparisons of the thermal performance of a laying hens housing in the region of Bastos, in the state of São Paulo, adapted from natural alternatives of acclimatization, having a not adapted housing as reference, that is, of a more common typology in the area, and another one, artificially acclimatized. The...
O presente trabalho foi realizado na Fazenda Experimental Lageado, da Universidade Estadual Paulista em Botucatu, SP, e objetivou-se analisar o desempenho de um silo secador alambrado com ar à temperatura ambiente, de projeto simples, com possibilidades de atender às necessidades de pequenos cafeicultores. Para a avaliação do desempenho da secagem,...
This present work was carried out in FCA-Botucatu/UNESP - São Paulo State University, with the aim of evaluating coffee drying performance with near-ambient temperature air-drying system, designed for small farms. The variables measured include: moisture content, grain and air temperatures, relative humidity, drying airflow, drying time and grain q...
The aim of this work was to develop a detailed econometric analysis to compare a constructed wetland system - combined model, and a waste stabilization pond system - facultative pond, as a function of six different sizes of finishing pig farms and two waste management systems - wet and dry. The constructed wetland system using dried waste managemen...
0XX14)3811-7165, biaggioni@fca.unesp.br 3 Mestrando do Programa de Pós-Graduação em Energia na Agricultura, UNESP -Botucatu -SP. Recebido pelo Conselho Editorial em: 4-10-2005 Aprovado pelo Conselho Editorial em: 9-9-2006 Eng. Agríc., Jaboticabal, v.26, n.3, p.795-803, set./dez. 2006 RESUMO: O objetivo deste trabalho foi avaliar, por meio de simula...
The aim of this work was to evaluate, by using economical simulation, the viability to get a drying-storing facility, for small farms. This option was compared with two others conditions: to pay the processing or to market high moisture content grains. The study was carried out in properties with 10; 20; 30 and 40 ha, productivity levels of 3,900;...
Polycarbonate Nuclepore filters are better than cellulose filters for the direct counting of bacteria because they have uniform pore size and a flat surface that retains all of the bacteria on top of the filter. Although cellulose filters also retain all of the bacteria, many are trapped inside the filter where they cannot be counted. Before use, t...
This work was carried out at FCA-Botucatu/UNESP - São Paulo State University, with the aim to evaluate the costs involved in high moisture corn silage production, using the corn drying process as witness, both cultivated in no-tillage system. The costs involved in the operations of agricultural machines, inputs and post harvest phase were obtained...
Polycarbonate Nuclepore filters are betterthancellulose filters forthe direct counting ofbacteria because theyhaveuniform pore sizeanda flat surface thatretains allofthebacteria on topofthefilter. Although cellulose filters also retain allofthebacteria, many aretrapped inside thefilter wheretheycannot becounted. Before use,theNuclepore filters must...
Includes vita. Thesis (M.A.) in Political Science--University of Maine, 1980. Includes bibliographical references (leaves 297-302).
