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Search Results: 1 - 10 of 44067 matches for " Jandiê Araújo;Alves "
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Estado nutricional do piment o cultivado em solo tratado com diferentes tipos de biofertilizantes = Nutritional status of sweet pepper cultivated in soils treated with different types of biofertilizer
Gibran Silva Alves,Djail Santos,Jandiê Araújo Silva,José Adeilson Medeiros Nascimento
Acta Scientiarum : Agronomy , 2009,
Abstract: O uso de biofertilizantes líquidos é umas das práticas da agricultura organica com finalidade de obter nutri o balanceada das plantas. Como resultado, espera-se níveis mais elevados de produtividade sem aumentos significativos nos custos. Objetivou-se com este trabalho verificar o estado nutricional do piment o (Capsicum annuum L.), em resposta à aplica o de diferentes fontes e doses de biofertilizantes. O experimento foi realizado no Sítio Macaquinhos, em Remígio, estado da Paraíba. Os tratamentos foram distribuídos em esquema fatorial 2 × 5, referente a duas fontes de biofertilizante e cinco doses de cálcio (0; 0,65; 1,30; 1,95 e 2,60 g cova-1 de cálcio). As covas foram abertas em espa amento de 1 × 0,50 m e preenchidas com 2 L de esterco bovino e 1 L de cinza vegetal. Os biofertilizantes puro e agrobio foram preparados 30 e 60 dias antes do plantio, respectivamente. No início da flora o, as plantas depiment o encontravam-se nutricionalmente deficientes em nitrogênio, cálcio e magnésio, mas equilibradas em fósforo, potássio e enxofre. Apesar do acréscimo de macro e micronutrientes no agrobio, ao final do experimento, constatou-se que os resultados foram semelhantes quanto ao estado nutricional das plantas. Use of liquid biofertilizers is one of the practices of organic agriculture that aims to achieve balanced plant nutrition. As a result, higher yield levels are expected, with no significant cost increases. The aim of this work is to verify the nutritional status of sweet pepper (Capsicum annuum L.) in response to the application ofdifferent rates and sources of biofertilizer. The experiment was carried out at Sítio Macaquinhos, in the municipality of Remigio, Paraíba State, Brazil. Treatments were distributed in a 2 × 5 factorial arrangement, representing the two biofertilizer sources andfive calcium rates (0; 0.65; 1.30; 1.95 and 2.60 g pit-1 of calcium). Pits were spaced 1 × 0.50 m apart, filled to the top with 2 L of cattle manure and 1 L of vegetable ash. The pure form and agrobio biofertilizers were prepared 30 and 60 days before the sowing date, respectively. In the beginning of the flowering stage, sweet pepper plants were nutritionally deficient in nitrogen, calcium, magnesium, but were balanced in phosphorous, sulfur and potassium. In spite of higher levels of macro and micronutrients in agrobio, it was established at the end of the experiment that the results on plant mineral composition were similar.
Estado nutricional do piment?o cultivado em solo tratado com diferentes tipos de biofertilizantes
Alves, Gibran Silva;Santos, Djail;Silva, Jandiê Araújo;Nascimento, José Adeilson Medeiros;Cavalcante, Lourival Ferreira;Dantas, Tony Andresson Guedes;
Acta Scientiarum. Agronomy , 2009, DOI: 10.4025/actasciagron.v31i4.731
Abstract: use of liquid biofertilizers is one of the practices of organic agriculture that aims to achieve balanced plant nutrition. as a result, higher yield levels are expected, with no significant cost increases. the aim of this work is to verify the nutritional status of sweet pepper (capsicum annuum l.) in response to the application of different rates and sources of biofertilizer. the experiment was carried out at sítio macaquinhos, in the municipality of remigio, paraíba state, brazil. treatments were distributed in a 2 × 5 factorial arrangement, representing the two biofertilizer sources and five calcium rates (0; 0.65; 1.30; 1.95 and 2.60 g pit-1 of calcium). pits were spaced 1 × 0.50 m apart, filled to the top with 2 l of cattle manure and 1 l of vegetable ash. the pure form and agrobio biofertilizers were prepared 30 and 60 days before the sowing date, respectively. in the beginning of the flowering stage, sweet pepper plants were nutritionally deficient in nitrogen, calcium, magnesium, but were balanced in phosphorous, sulfur and potassium. in spite of higher levels of macro and micronutrients in agrobio, it was established at the end of the experiment that the results on plant mineral composition were similar.
Resposta do quiabeiro às doses de fósforo aplicadas em solo arenoso
Oliveira, Ademar P. de;Dornelas, Carina Seixas M.;Alves, Adriana U.;Alves, Anarlete U.;Silva, Jandiê Araújo da;Oliveira, Arnaldo Nonato P. de;
Horticultura Brasileira , 2007, DOI: 10.1590/S0102-05362007000200010
Abstract: the influence of phosphorus fertilization on yield of okra, cv. santa cruz was evaluated. the research was carried out in the experimental design of randomized blocks, with five treatments (0; 44; 88; 132 and 176 kg ha-1 of p), and four replications. the maximum number of fruits per plant (43) was obtained with the maximum level of 176 kg ha-1 of p. the estimated maximum yield of commercial fruits (38.6 t ha-1), was related to 139 kg ha-1 of p. the application of 137 kg ha-1 of p provided the highest economical income, yielding 38.3 t ha-1 of commercial fruits, with an increment of fruits of 17.4 t ha-1. the most economic level represented 98% of that responsible for the maximum yield, indicating that the okra responded economically to the use of p in sandy soil and, of the p level responsible for the maximum commercial yield of fruits were related to 40 mg dm-3 of available p in soil (mehlich 1), and the level responsible for the highest economic income was related to 38 mg dm-3.
Efeito de extratos vegetais no controle de Fusarium oxysporum f. sp tracheiphilum em sementes de caupi
Silva, Jandiê Araújo da;Pegado, Claúdia Maria Alves;Ribeiro, Valéria Veras;Brito, Noelma Miranda de;Nascimento, Luciana Cordeiro do;
Ciência e Agrotecnologia , 2009, DOI: 10.1590/S1413-70542009000200039
Abstract: wilt caused by fusarium sp. in cowpea crop is a disease of great importance because it causes yield decrease. the control of this disease has been accomplished with uncontrolled applications of chemical fungicides causing problems for humans and environment. the present work had the objective to compare the effect of natural extracts on the control of fusarium oxysporum f. sp tracheiphlum, originated from seeds of cowpea (vigna unguiculata l), compared to chemical fungicide effect. extracts of allium sativum, anadenanthera colubrine, and ocimum basilicum were used alone or in combination with mancozeb. a 50 μl aliquot of each treatment was added in a hole (6 mm of diameter) made in the center of petri dishes with bda and a fungus mycelia disk was inoculated on it. evaluations were done during seven days, measuring the pathogen mycelial growth. seeds of cowpea were disinfected with sodium hypochlorite, sowed in plastic bags with autoclaved soil. eight days after germination, wounds were made on the basal part of the plantlets, and fungus spore suspension (1.4 x 10-5 con/ml) was applied on it. evaluations of the disease severity were accomplished daily during 30 days after inoculation, using a disease index. combination of extracts of a. sativum + ocimum basilicum and anadenanthera colubrina + ocimum basilicum did not reduce fungus mycelial growth, whereas ocimum basilicum extract alone showed minor mycelial growth, indicating fungicide action of this treatment on f. oxysporum f. sp tracheipphlum under the conditions studied. combination of mancozeb + anadenanthera colubrina was responsible for lower average of severity on the evaluated plants.
Rendimento do inhame adubado com esterco bovino e biofertilizante no solo e na folha
Silva, Jandiê A. da;Oliveira, Ademar P. de;Alves, Gibran da S.;Cavalcante, Lourival F.;Oliveira, Arnaldo N.P. de;Araújo, Maria A. M.;
Revista Brasileira de Engenharia Agrícola e Ambiental , 2012, DOI: 10.1590/S1415-43662012000300003
Abstract: the objective of this study was to evaluate the yam yield, cultivar da costa, fertilized with bovine manure doses and biofertilizer. the experimental design was randomized blocks, in subdivided plots 6 x 2 + 1 with three repetitions. in plots six doses of cattle manure (0; 6; 12; 18; 24 and 30 t ha-1) were tested, factorially combined with the presence and absence of biofertilizer and in subplots, two forms of application of biofertilizer in the soil and by spray on the leaf and an additional treatment with conventional fertilization (animal manure and npk). the doses of 30 t ha-1 of bovine manure and the biofertilizer which was applied in the soil and leaf produced tubers with ideal average weight for the commercialization. the bovine manure in doses of 19.2 t ha-1 and in the absence of biofertilizer provided maximum productivity of 20.3 t ha-1 of commercial tubers. subplots in which the biofertilizer was applied to the soil and leaf, the dose of 30 t ha-1 of cattle manure was responsible, respectively, for maximum yields of 22.8 and 24 t ha-1 of commercial tubers. the organic and conventional fertilizations did not cause any significant change in the mean tuber weight, but the conventional fertilization increased the productivity of commercial tuber.
Rendimento de feij?o-vagem em fun??o de doses de K2O
Oliveira, Ademar Pereira de;Silva, Jandiê Araújo;Alves, Adriana Ursulina;Dorneles, Carina Seixas M;Alves, Anarlete Ursulino;Oliveira, Arnaldo Nonato P. de;Cardoso, Edson A.;Cruz, Iordam da Silva;
Horticultura Brasileira , 2007, DOI: 10.1590/S0102-05362007000100007
Abstract: aiming to evaluate the effect of k2o levels on the increase of snap bean yield, an experiment was performed in paraíba state, brazil, in a quartz psamment soil. the experimental design was of randomized blocks, with six treatments (0; 50; 100; 150; 200 and 250 kg ha-1 of k2o), in four replications. each plot contained 40 plants spaced 1.0 m x 0.2 m. pods maximum number/plant (20 pods) and the maximum yield/plant (171 g), were obtained, respectively with 145 and 173 kg ha-1 of k2o, and pods yield reached maximum value around 25,3 t ha-1 at the level of 171 kg ha-1 of k2o. the most economic level of k2o for the production of pods was of 165 kg ha-1. the most economic level represented 96% comparing to that responsible for maximum pods production. the k2o levels that obtained maximum pods production and economic return were correlated, respectively, with 181 and 176 mg dm-3 of k available for the extractor mehlich 1.
Rendimento produtivo e econ?mico do feij?o-caupi em fun??o de doses de potássio
Oliveira, Ademar Pereira de;Silva, Jandiê Araújo da;Lopes, Edson Batista;Silva, Erllens éder;Araújo, Lucia elena Avelino;Ribeiro, Valéria Veras;
Ciência e Agrotecnologia , 2009, DOI: 10.1590/S1413-70542009000200042
Abstract: cowpea bean [vigna unguiculata (l) walp] is one the main crops in the northeast region of brazil. with the objective of evaluating the effect of potassium fertilization on cowpea bean cv. pitiúba, an experiment was carried out at federal university of paraíba, in areia (pb), brazil, on a quartz psamment soil, from july to september 2005. the experimental design was the randomized blocks, with six treatments (0, 50, 100, 150, 200, and 250 kg ha-1 k2o), and four replications. each plot contained 40 plants spaced 0.80 m x 0.40 m. the maximum yield of pods per plant (285 g), green grains (143 g) and dry grains (120 g) were obtained with 160, 153 and 200 kg ha-1 k2o, respectively. the levels of 210, 151, and 170 kg ha-1 k2o were responsible for the maximum yields of 4.18 t ha-1 of pods, 3.48 t ha-1 of green grains, and 1.89 t ha-1 of dry grains, respectively. the maximum level of economical efficiency for the yield of dry grains was 141 kg ha-1 k2o, with a yield of 1.87 t ha-1.
Além do ocidente, além do estado e muito além da moral: por uma política eticamente responsável em rela??o à diferen?a - o caso Ruandês
Alves, Ana Cristina Araújo;
Contexto Internacional , 2005, DOI: 10.1590/S0102-85292005000200002
Abstract: drawing on a post-modern/post-structuralist approach in international relations, this article aims to make an analysis of the un's decision taken in april 21, 1994 about the establishment of unamir as a response to the violence in rwanda. we emphasize the assessment of the ethical responsibility of the organization, in terms of the radical re-articulation of the concepts of ethics, responsibility, and subjectivity, as proposed by emmanuel levinas. we look for the implications of that decision in terms of the consequences it permitted - that is, the rwandan genocide, the increasing of the violence over time allowed by turquoise operation, and the reorganization of the genociders in the refugees' camps. besides, we intend to look upon a deeper theme, which underlies the permissive conditions of those tragic consequences: the sovereign-territorial-state principle domination in the contemporary political imagination. the hard boundaries between inside/outside, state/refugee camp, domestic/international derived from that principle imposed also a compartmentalization in the arena of formulation of policies to deal with the humanitarian crisis that followed the genocide. this fragmented way to deal with such a complex and multifaceted problem, for its turn, resulted in politics that distorted the priorities and undermined the effectiveness of the assistance programs, as well as alienated the newly installed government.
Com as patas dos cavalos: a criminaliza o dos pobres e das lutas sociais
Fábio Alves Araújo
Geografares , 2006,
Abstract: Com as patas dos cavalos:a criminaliza o dos pobres e das lutas sociaisA incapacidade do Estado neoliberal de resolver as quest es sociais produziu uma forma penal de gest o da pobreza. A conten o punitiva dos deserdados tornouse palavra de ordem das políticas sociais. Neste sentido, tem ocorrido um processo de criminaliza o dos pobres e das lutas sociais em que os servi os públicos s o transformados em servi os de controle, vigilancia e repress o. No Brasil, um dos principais alvos da criminaliza o tem sido o Movimento Sem-Terra (MST).
Sportive Communication Board: A Low Cost Strategy to Improve Communication of BC3-Paralympics Boccia Athletes  [PDF]
Ana Paula de Araújo Alves, Helena Carla Castro, Leonardo Alves Miceli, Julio Vianna Barbosa
Creative Education (CE) , 2018, DOI: 10.4236/ce.2018.911127
Abstract: Boccia is a fun and stimulating physical active sport suitable for people with Cerebral Palsy (CP). The Boccia class three (BC3) players include those with four-limbs-motor-dysfunction with or without CP. These players can request a sport assistant that may help them physically during the game but not in their game strategy. In this work we investigated the use of a supplementary communication sportive board constructed specifically to improve the interaction of Paralympic BC3 players with their sport assistants. This case study enrolled a two-year-experience-CP-BC3 athlete with classification of gross motor function at level 5, severe four limbs dysfunction, low strength and coordination, and no verbal/oral language use but small body movements. This study was performed in a sport club during one month of training, twice a week for two-hour sessions. The sportive communication board (SCB) was designed based on Boccia rules and symbols using white and colored papers, scissors and glue. In the first two training sessions, the Paralympic athlete did not use the sportive board, whereas in the other two sessions the board was tested and the performance was compared. A set of questionnaires was applied to the legal tutor and the sport assistants before and after the SCB tests together with the analysis of the recording of a training session. According to our questionnaires data analysis, a significant contribution to the assistant understanding of the athlete game strategy was noticed by the legal tutor and the sport assistants when using the SCB. Improvement on time playing (reduction of 22%) and difficulty imposed to the opponent (increase of 33%) were the most important data detected during the tests. According to our video-records, the use of the SCB generated positive effects on the athlete?overall performance, improving their communication. In fact, after this study,?the BC3 player—which was allowed to keep the sportive board—has always required SCB during her training sets, which reinforced our perception of this material applicability and contribution to the player performance. Thus, we suggest that this SCB may be adapted and more explored to the use in other sport activities helping other Paralympic athletes in their performances as well as other sport assistants in their work activities.
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