Phosphate Residual Effect
Mostrando 1-12 de 23 artigos, teses e dissertações.
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1. Rock biofertilizer and earthworm compost on sugarcane performance and soil attributes in two consecutive years
ABSTRACT The deployment of soluble fertilizers has been one of the most commonly applied agricultural practices in the bid to increase crop yield. However, the production of soluble fertilizers has a considerable economic cost and consumes a substantial amount of energy. In general, soil organic matter provides the nutrients needed for plant growth in organi
Sci. agric. (Piracicaba, Braz.). Publicado em: 2016-02
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2. Dinâmica do Fomesafen no solo e impacto de Tiametoxam e Fomesafen sobre três espécies de macrófitas aquáticas / Dynamics of fomesafen in soil and impact of thiamethoxam and fomesafen on three freshwater macrophytes
Pesticides are very important to the modern agriculture. However, nowadays, with their increasing use, sometimes indiscriminately, there is also an increasing concern about their soil and water contamination. Fomesafen (herbicide) and thiamethoxam (insecticide) are organic compounds with very different physicochemical properties, but both are used in crops o
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/08/2011
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3. Produtividade do feijoeiro em resposta a adubacao fosfatada e a regimes de irrigacao em solos de cerrado.
O cultivo do feijoeiro (Phaseolus vulgaris L.) irrigado nos solos do Cerrado requer a utilizacao de fertilizantes fosfatados. Este trabalho foi desenvolvido com o objetivo de estudar o efeito do manejo de adubacao fosfatada e da lamina de agua na produtividade do feijoeiro, em Latossolo Vermelho Escuro Argiloso. Os tratamentos englobaram tres doses de adubac
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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4. Sewage sludge application in cane-plant as nitrogen and phosphorus source and its environmental effects / Aplicação de lodo de esgoto em cana-planta como fonte de nitrogênio e fósforo e seu impacto ambiental
The potential agricultural use of the sewage sludge is due to their organic matter and nutrients contents, mainly nitrogen and phosphorus, the most important constituint. However, there is a lack of research to adequate the nitrogen and phosphate fertilizer doses to be applied in agricultural fields treated with this residue. Despite the evident benefits of
Publicado em: 2009
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5. Eficiência agronômica de fosfatos de rocha, utilizados isoladamente ou associados ao superfosfato triplo, para a cultura da soja / Agronomic effectiveness of phosphate rocks, by itself or associated with the triple superphosphate, for soybean
due to a low natural availability of P in cultivated soils. To obtain good economically yield is necessary P fertilizer application. Nearly all phosphorus fertilization is carried out using acidulated phosphate, which have high water solubility and when applied in the soil may increase the P availability at times of low demand by the crop. To associate the u
Publicado em: 2008
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6. Dinâmica do fósforo em latossolo do cerrado sob sistema de integração lavoura-pecuária
The integration of crop-livestock systems (ILP) is one of the alternatives to recover the fertility of soils under degraded pastures in the Cerrado region. This system has positive effects on soil fertility and quality, increasing organic carbon contents and soil biological activity, thus requiring a new characterization of soil fertility by identifying soil
Publicado em: 2008
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7. Mineralização in vitro de matrizes de colágeno aniônico derivadas de tecidos biológicos / In vitro mineralization of anionic collagen matrices
The reconstruction of osseous defects is still a problem that affects millions of people and medicine tries to solve it. One alternative to solve these problems has been the development of biomaterials that can be used as inductors in the osseous repair process. Collagen is a natural polymer able to promote healing and bone regeneration, and among hydroxyapa
Publicado em: 2008
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8. Agronomic efficiency and residual effect of pand k rock biofertilizers with acidithiobacillus in two lecttuce consecutive crops in a brazilian soil from the Cariri cearense / Eficiência agronômica e poder residual de biofertilizantes de rochas com acidithiobacilus em cultivos consecutivos com alface em solo do Cariri cearense
Production of rock biofertilizers is a practical process with reduction of energy consumption and increasing nutrients availability in soils. A field experiment was carried out applying P and K biofertilizers from phosphate rock (Apatite-PR) and potash rock (biotite-KR) plus sulfur inoculated with Acidithiobacillus, on lettuce (cv. Crespa) in two consecutive
Publicado em: 2006
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9. Projeto, desenvolvimento, otimização e scale-up de um leito fluidizado para classificação de fosfato bicálcico microgranulado
Brazil holds second place in world production of dicalcium phosphate, which represents the main source of phosphorus for complementing the mineral salt that makes up the daily feed for cattle, hogs and fowls. Considering the fact that the increase in consumption of phosphates due to the increased annual consumption of meat by the world population, developmen
Publicado em: 2006
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10. ABSORÇÃO DE FÓSFORO POR PLANTAS DE SOJA, COM O AUMENTO DO pH EM LATOSSOLOS ARGILOSOS / AVAILABILITY OF PHOSPHORUS IN TWO CLAYEY LATOSOILS AND ITS ACCUMULATION IN SOYBEAN AS A FUNCTION OF THE INCREASE IN PH
To take better advantage of the P applied along the year and of the soil residual by the adequate use of lime, especially in soils cultivated and manured for many years, may be an economically viable practice, as lime is much less expensive than phosphate fertilizers, which may imply important increment in the profit margin for the farmer. Two experiments we
Publicado em: 2006
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11. AVAILABILITY OF PHOSPHORUS IN TWO CLAYEY LATOSOILS AND ITS ACCUMULATION IN SOYBEAN AS A FUNCTION OF THE INCREASE IN PH / ABSORÇÃO DE FÓSFORO POR PLANTAS DE SOJA, COM O AUMENTO DO pH EM LATOSSOLOS ARGILOSOS
To take better advantage of the P applied along the year and of the soil residual by the adequate use of lime, especially in soils cultivated and manured for many years, may be an economically viable practice, as lime is much less expensive than phosphate fertilizers, which may imply important increment in the profit margin for the farmer. Two experiments we
Publicado em: 2006
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12. Phosphorus fractions and soybean and bean yield in succession to grass fertilizer with different phosphorus source / FraÃÃes de fÃsforo e produÃÃo da soja e do feijoeiro em sucessÃo a gramÃneas adubadas com diferentes fertilizantes fosfatados
The present work was intended to evaluate (1) the growth and P accumulation by cover forage grasses fertilized with triple superphosphate and reactive arad phosphate; (ii) the alteration of the soil phosphorus fractions after cultivation of the forage grasses and P accumulation by soybean and bean plant grown in succession to the grasses fertilized with trip
Publicado em: 2005