23 research outputs found

    Judicial Restraints on Administrative Action: Effective or Illusory ?

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    As ações do projeto consistiram no reconhecimento da comunidade, realizando-se entrevistas, seguidas de um levantamento da demanda por espécies florestais e frutíferas, aquisição, transporte e distribuição das mudas e sementes. Das 28 propriedades cadastradas, 18 tornaram-se participantes, engajando-se no projeto. Na comunidade, a fruticultura é a principal atividade e o cupuaçu a principal cultura, presente em oito propriedades participantes com 2950 indivíduos plantados. Outras culturas importantes são: manga, pupunha, açaí, coco. O projeto promoveu também a introdução e o plantio de espécies vegetais com valor de mercado. Com as atividades do projeto, diversificaram-se as espécies florestais e frutíferas existentes na comunidade. Distribuíram-se 12.455 mudas de pau-rosa, cedro, andiroba, mogno, maçaranduba, seringueira, camu-camu (caçari), araçá-boi, cubiu e outras. Como perspectiva, as ações pretendem fixar o agricultor no campo, propor alternativas econômicas, sensibilizar a comunidade com relação à preservação da floresta e exploração racional dos recursos naturais.The activities of this project consisted in the recognition of the community by interviews, followed by a survey of the demand for forest and fruitful species, the acquisition, transport and distribution of seedlings and seeds. Of the 28 registered properties, 18 participated in the project. In the community, fruit culture is the main activity, and cupuaçu the main fruit in eight participant properties with 2950 plants. Other cultures are: mango, pupunha, açaí, coconut. The project also promoted the introduction and plantation of vegetal species with market value. Among the project activities, community forest and fruit species were diversified with 12,455 seedlings of wood-rose, cedar andiroba, mahogany, maçaranduba, seringueira, camu-camu, araçá-boi, cubiu and anothers were distributed. As the perspective, the activities intend to fix the agriculturist in the field, to consider economic alternatives, to make the community aware of the between preservation of the forest and the rational exploration of natural resources

    Capacidade de solubilização de fosfatos e eficiência simbiótica de rizóbios isolados de solos da Amazônia

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    On soils with low available phosphorus, such as the Amazonian upland, the ability of rhizobium strains to solubilize inorganic phosphates is of extreme importance. The objective of this work was to determine the ability of rhizobium isolates from Amazonian soil to solubilize calcium and aluminum phosphate in laboratory, and their symbiotic efficiency to increase N and P contents in cowpea. The rhizobium isolates were evaluated on specific growth media during a period of 15 days, when solubilizing indexes (S.I.) were obtained. From the 205 isolates, 68 solubilized P-Ca and 47 solubilized P-Al, and 32 solubilized P-Ca as well as P-Al. Among the 14 isolates with highest solubilizing activities, eight isolates (INPA R820, INPA R825, INPA R843, INPA R894, INPA R914, INPA R917, INPA R969 and INPA R982) provided higher shoot P and N contents and dry matter

    Hydrolytic activity of bacterial lipases in amazonian vegetable oils

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    The data presented describe the development of an enzymatic process in vegetable oils. Six bacterial lipases were tested for their ability to hydrolyze. For each lipase assay, the p-NPP method was applied to obtain maximum enzymatic activities. The lipase from Burkholderia cepacia (lipase B-10) was the most effective in buriti oil, releasing 4840 μmol p-NP mL -1. The lipase from Klebsiella variicola (lipase B-22) was superior in passion fruit oil, releasing 4140 μmol p-NP mL -1 and also in babassu palm oil, releasing 2934 μmol p-NP mL -1. Research into the bioprocessing of oils aims to provide added value for this regional raw material

    Phosphate solubilizing ability and symbiotic efficiency of isolated rhizobia from Amazonian soils [Capacidade de solubilização de fosfatos e eficiência simbiótica de rizóbios isolados de solos da Amazônia]

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    Em solos com baixa disponibilidade de fósforo, como os de terra firme da Amazônia, a habilidade de estirpes de rizóbio de solubilizar compostos de fosfato inorgânico é extremamente importante. Assim, o objetivo deste trabalho foi determinar a capacidade de solubilização de fosfato de cálcio (P-Ca) e fosfato de alumínio (P-Al) de isolados de rizóbio de solos na Amazônia em laboratório e a eficiência simbiótica dos isolados em aumentar os conteúdos de N e P em caupi. Os isolados de rizóbio foram avaliados em meios específicos para solubilização desses fosfatos por um período de 15 dias, obtendo-se os seus índices de solubilização (I.S.). Dos 205 isolados avaliados, 68 solubilizaram P-Ca, 47 solubilizaram P-Al e 32 solubilizaram tanto P–Ca quanto P–Al. Entre 14 isolados solubilizadores testados, 8 (INPA R820, INPA R825, INPA R843, INPA R894, INPA R914, INPA R917, INPAR969 e INPA R982) proporcionaram maiores teores de P na parte a��rea, consequentemente melhor eficiência na utilização de P e N pelas plantas assim como maior matéria seca da parte aérea.On soils with low available phosphorus, such as the Amazonian upland, the ability of rhizobium strains to solubilize inorganic phosphates is of extreme importance. The objective of this work was to determine the ability of rhizobium isolates from Amazonian soil to solubilize calcium and aluminum phosphate in laboratory, and their symbiotic efficiency to increase N and P contents in cowpea. The rhizobiumisolates were evaluated on specific growth media during a period of 15 days, when solubilizing indexes (S.I.) were obtained. From the 205 isolates, 68 solubilized P-Ca and 47 solubilized P-Al, and 32 solubilized P-Ca as well as P-Al. Among the 14 isolates with highest solubilizing activities, eight isolates (INPA R820, INPA R825, INPA R843, INPA R894, INPA R914, INPA R917, INPA R969 and INPA R982) provided higher shoot P and N contents and dry matter
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