65 documents found, page 1 of 7
Serological occurrence for tick-borne agents in beef cattle in the Brazilian Pa...
Ramos,Inalda Angélica de Souza; Mello,Victória Valente Califre de; Mendes,Natalia Serra; Zanatto,Diego Carlos de Souza; Campos,João Bosco VilelaAbstract This study investigated the seropositivity for five different tick-borne agents, namely Anaplasma marginale, Babesia bovis, Babesia bigemina, Coxiella burnetii, Anaplasma phagocytophilum, and Trypanosoma vivax in beef cattle in the Brazilian Pantanal. The serum samples collected from animals (200 cows; 200 calves) were used in indirect enzyme-linked immunosorbent assays (iELISA) to detect IgG antibodie...
Temporal and Spatial Uncertainty of Erosion Soil Loss from an Argisol Under Sug...
Mendonça,Patrícia Gabarra; Teixeira,Daniel De Bortoli; Moitinho,Mara Regina; Silva Junior,João Fernandes da; Oliveira,Ismênia Ribeiro deABSTRACT The identification of erosion-susceptible areas is fundamental for the adoption of soil conservation practices. Thus, the best way to estimate the spatial pattern of soil erosion must be identified, in which the process uncertainties are also taken into consideration. The purpose of this study was to evaluate the spatial and temporal uncertainty of soil loss under two scenarios of sugarcane harvest man...
Starch and fibre intake and glucose postprandial response of dogs
Monti,Mariana; Palumbo,Guilherme Roberto; Pinto,Mariana Vieira de Paula; Putarov,Thaila Cristina; Loureiro,Bruna Agy; Gomes,Márcia de Oliveira SampaioABSTRACT: Fibre has been studied to reduce the postprandial glucose response of dogs, but the results are inconsistent. Starch intake, however, was not properly considered in the published studies. The effects of starch and fibre intake on the postprandial glucose response were studied in non-obese adult dogs. Cellulose (CEL), carboxymethylcellulose (CMC), pea fibre (PE) and sugarcane fibre (SCF) were combined ...
Magnetic susceptibility for characterizing areas with different potentials for ...
Siqueira,Diego Silva; Marques Júnior,José; Teixeira,Daniel De Bortoli; Matias,Sammy Sidney Rocha; Camargo,Livia Arantes; Pereira,Gener TadeuAbstract The objective of this work was to evaluate the use of magnetic susceptibility for characterizing the spatial variability of soil attributes and identifying areas with different potentials for sugarcane (Saccharum spp.) production. Samples were collected at 110 points (1 per 7 ha) in the layers of 0.00-0.20 and 0.20-0.40 m, to determine the magnetic susceptibility and physical and chemical attributes of...
FERRAMENTAS MATEMÁTICAS, SUSCETIBILIDADE MAGNÉTICA E MODELOS DE PAISAGEM APLICA...
Matias,Sammy Sidney Rocha; Marques Júnior,José; Pereira,Gener Tadeu; Siqueira,Diego SilvaA identificação de padrões de variabilidade dos atributos do solo permite o uso e a ocupação do solo de maneira sustentável. O objetivo deste trabalho foi delimitar áreas de manejo específico utilizando ferramentas matemáticas, suscetibilidade magnética e modelos de paisagem. A área de estudo localiza-se no município de Guariba, SP. Escolheu-se uma área de 110 ha, onde foram identificadas e mapeadas três superf...
SPATIAL UNCERTAINTY OF NUTRIENT LOSS BY EROSION IN SUGARCANE HARVESTING SCENARIOS
Mendonça,Patrícia Gabarra; Silva Júnior,João Fernandes da; Oliveira,Ismênia Ribeiro de; Teixeira,Daniel De Bortoli; Moitinho,Mara ReginaThe assessment of spatial uncertainty in the prediction of nutrient losses by erosion associated with landscape models is an important tool for soil conservation planning. The purpose of this study was to evaluate the spatial and local uncertainty in predicting depletion rates of soil nutrients (P, K, Ca, and Mg) by soil erosion from green and burnt sugarcane harvesting scenarios, using sequential Gaussian simu...
SPATIAL VARIABILITY OF SOIL PROPERTIES IN AN AGRARIAN REFORM SETTLEMENT
Azevedo,James Ribeiro de; Bueno,Célia Regina Paes; Pereira,Gener TadeuABSTRACT The study of soil chemical and physical properties variability is important for suitable management practices. The aim of this study was to evaluate the spatial variability of soil properties in the Malhada do Meio settlement to subsidize soil use planning. The settlement is located in Chapadinha, MA, Brazil, and has an area of 630.86 ha. The vegetation is seasonal submontane deciduous forest and stepp...
Mapeamento do fósforo adsorvido por meio da cor e da suscetibilidade magnética ...
Peluco,Rafael Gonçalves; Marques Júnior,José; Siqueira,Diego Silva; Pereira,Gener Tadeu; Barbosa,Ronny Sobreira; Teixeira,Daniel de BortoliO objetivo deste trabalho foi avaliar a possibilidade de se mapear o fósforo adsorvido por meio da avaliação da cor e da suscetibilidade magnética do solo. O experimento foi realizado em área de cana-de-açúcar com 380 ha, que compreendia quatro tipos de Latossolos, com diferentes texturas e fertilidades naturais. Foram coletadas 241 amostras de solo, na profundidade de 0,00-0,25 m. O índice de avermelhamento do...
Número de amostras na análise geoestatística e na krigagem de mapas de atributo...
Souza,Zigomar Menezes de; Souza,Gustavo Soares de; Marques Júnior,José; Pereira,Gener TadeuO objetivo deste trabalho foi analisar diferentes intensidades de amostragem do solo com relação à precisão na análise geoestatística e interpolação de mapas, para fins de agricultura de precisão em área de cana-de-açúcar. O solo foi coletado em duas grades regulares na profundidade de 0,00-0,20m para análise granulométrica (área 1) e da fertilidade do solo (área 2). Foram comparadas intensidades de amostragem ...
Iron oxides and quality of organic matter in sugarcane harvesting systems
Barbieri,Diogo Mazza; Marques Júnior,José; Siqueira,Diego Silva; Teixeira,Daniel De Bortoli; Panosso,Alan Rodrigo; Pereira,Gener TadeuImprovements in working conditions, sustainable production, and competitiveness have led to substantial changes in sugarcane harvesting systems. Such changes have altered a number of soil properties, including iron oxides and organic matter, as well as some chemical properties, such as the maximum P adsorption capacity of the soil. The aim of this study was to characterize the relationship between iron oxides a...