Zobrazeno 1 - 10
of 220
pro vyhledávání: '"Eurípedes Malavolta"'
Autor:
José Lavres Junior, Cleusa Pereira Cabral, Mônica Lanzoni Rossi, Thiago Assis Rodrigues Nogueira, Neusa de Lima Nogueira, Eurípedes Malavolta
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 36, Iss 1, Pp 233-242 (2012)
Castor bean is a nutrient-demanding species, but there is still little information on its micronutrient requirements. The objectives of this study were to evaluate the effects of levels of B (2.5, 12.5 and 25.0 µmol L-1), Cu (0.05, 0.25 and 0.50 µm
Externí odkaz:
https://doaj.org/article/ba08b6b5d30e437fb20d36968f1188ad
Autor:
Bruno Fernando Faria Pereira, Danilo Eduardo Rozane, Suzana Romeiro Araújo, Gabriel Barth, Rafaela Josemara Barbosa Queiroz, Thiago Assis Rodrigues Nogueira, Milton Ferreira Moraes, Cleusa Pereira Cabral, Antonio Enedi Boaretto, Eurípedes Malavolta
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 35, Iss 2, Pp 645-654 (2011)
Among the toxic elements, Cd has received considerable attention in view of its association with a number of human health problems. The objectives of this study were to evaluate the Cd availability and accumulation in soil, transfer rate and toxicity
Externí odkaz:
https://doaj.org/article/6eedd12c7bdd4a8d834929fc94c23f6f
Autor:
José Lavres Junior, André Rodrigues Reis, Mônica Lanzoni Rossi, Cleusa Pereira Cabral, Neusa de Lima Nogueira, Eurípedes Malavolta
Publikováno v:
Scientia Agricola, Vol 67, Iss 3, Pp 287-294 (2010)
The deleterious effects of Mn stress on many species have been studied, mainly concerning biochemical, physiological and growth parameters of plants. However, there are few studies relating the anatomical and ultrastructural changes in response to ma
Externí odkaz:
https://doaj.org/article/ae4cfff728e94dc0a16c940b90ce1f67
Autor:
José Lavres Junior, Eurípedes Malavolta, Neusa de Lima Nogueira, Milton Ferreira Moraes, André Rodrigues Reis, Mônica Lanzoni Rossi, Cleusa Pereira Cabral
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 33, Iss 2, Pp 395-403 (2009)
The deleterious effects of both Mn deficiency and excess on the development of plants have been evaluated with regard to aspects of shoot anatomy, ultrastructure and biochemistry, focusing mainly on the manifestation of visual symptoms. However, ther
Externí odkaz:
https://doaj.org/article/26bdd75df9024bfc96df3058c7a86d9d
Autor:
Andre Rodrigues Reis, José Laércio Favarin, Luiz Antônio Gallo, Eurípedes Malavolta, Milton Ferreira Moraes, José Lavres Junior
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 33, Iss 2, Pp 315-324 (2009)
Nitrate reductase is the first enzyme in the pathway of nitrate reduction by plants, followed by glutamine synthetase, which incorporates ammonia to glutamine. The purpose of this study was to evaluate the nitrate reductase and glutamine synthetase a
Externí odkaz:
https://doaj.org/article/4705dc3ffe5d4fc1814d7e89f618c750
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 32, Iss 3, Pp 1157-1164 (2008)
O feijão (Phaseolus vulgaris L.) constitui a base alimentar da população brasileira. Muitos fatores determinam a baixa produtividade do feijoeiro, desde problemas políticos até fatores técnicos, dentre eles a adubação e nutrição. O objetivo
Externí odkaz:
https://doaj.org/article/4eb83ac841194032a695451ae133d3d1
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 32, Iss 1, Pp 173-181 (2008)
A toxidez de Mn pode ser um problema comum nas regiões tropicais com predominância de solos ácidos. Entretanto, variações das concentrações desse nutriente nas plantas têm sido atribuídas também a diferenças inter e intra-específicas. O p
Externí odkaz:
https://doaj.org/article/d99068b935544963a777e2da7634b748
Publikováno v:
Pesquisa Agropecuária Tropical, Vol 23, Iss 1, Pp 129-144 (2007)
Two open incubation experiments in laboratory conditions were carried out, using columns containing 50 g of soils, from the States of São Paulo, Minas Gerais and Goiás (Brazil). The clay contents varied from 8.0 to 60.0%, total sulphur (S) from 0.0
Externí odkaz:
https://doaj.org/article/883d6a1a53a8490abf72ee5381a71aa5
Publikováno v:
Pesquisa Agropecuária Tropical, Vol 24, Iss 1, Pp 1-16 (2007)
Conduziu-se em laboratório um experimento de incubação aberta com solos dos Estados de São Paulo, Minas Gerais e Goiás na ausência e presença de calagem em colunas com 50g de terra e umidade estabilizada a 60cm de Hg. Submeteram-se os solos à
Externí odkaz:
https://doaj.org/article/a87b929bb7e04527976b9804c8f7ea21
Publikováno v:
Pesquisa Agropecuária Tropical, Vol 24, Iss 1, Pp 37-49 (2007)
Conduziu-se um experimento em casa de vegetação em amostras superficiais de 12 solos provenientes dos Estados de São Paulo, Minas Gerais e Goiás (Brasil), com teores de carbono variando entre 0,5 e 3,03%, de enxofre total entre 0,0104 e 0,0319% e
Externí odkaz:
https://doaj.org/article/1469105837b64b10b5c37050cb4a1890