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Transfer of cadmium and barium from soil to crops grown in tropical soils Rev. Bras. Ciênc. Solo
Melo,Leônidas Carrijo Azevedo; Silva,Evandro Barbosa da; Alleoni,Luís Reynaldo Ferracciú.
Phytotoxicity and transfer of potentially toxic elements, such as cadmium (Cd) or barium (Ba), depend on the availability of these elements in soils and on the plant species exposed to them. With this study, we aimed to evaluate the effect of Cd and Ba application rates on yields of pea (Pisum sativum L.), sorghum (Sorghum bicolor L.), soybean (Glycine max L.), and maize (Zea mays L.) grown under greenhouse conditions in an Oxisol and an Entisol with contrasting physical and chemical properties, and to correlate the amount taken up by plants with extractants commonly used in routine soil analysis, along with transfer coefficients (Bioconcentration Factor and Transfer Factor) in different parts of the plants. Plants were harvested at flowering stage and...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Soil pollution; Transfer factor; Bioconcentration factor.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000600028
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Effects of wine grape cultivar, application conditions and the winemaking process on the dissipation of six pesticides Ciencia e Investigación Agraria
Alister,Claudio; Araya,Manuel; Morandé,Jose E; Volosky,Christian; Saavedra,Jorge; Cordova,Andrés; Kogan,Marcelo.
Pesticide residue in primary products is an important issue for producers and consumers, even though little information is available on the effect of application conditions on residue persistence and the transfer to primary elaborated products. During the 2012 season, field and laboratory studies were conducted to determine the dissipation of lambda-cyhalothrin, buprofezin, pyrimethanil, tebuconazole, imidacloprid and acetamiprid in Sauvignon blanc and Pinot Noir cultivars and their residue dynamics during the winemaking process. Half-life values (DT50) for each pesticide applied alone and as a tank mix of all pesticides were similar and had averages of 6.4, 14.0, 19.7, 26.0, 14.5 and 13.4 days for lambda-cyhalothrin, buprofezin, pyrimethanil,...
Tipo: Journal article Palavras-chave: Pre-harvest interval; Residues; Transfer factor; Wine.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300010
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