Made available in DSpace on 2022-04-28T22:37:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-03-01; 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 in lettuce and rice plants grown in a Cd-contaminated...
O objetivo deste trabalho foi avaliar a produção de matéria seca de diferentes partes da planta (raiz, colmo, folha e espiga) e o estado nutricional (teores totais e solúveis, redutase do nitrato, absorção de 32P e testes rápidos), da cultura do milho sob diferentes doses de N, P e K. O delineamento experimental utilizado foi o inteiramente casualizado, com três repetições. Foram estudadas três concentrações de...
A capacidade máxima de adsorção de fósforo foi determinada em um Latossolo Vermelho Escuro distrófico sob fragmento de floresta primária e floresta de eucalipto. Amostras de 2,5 g de solo, coletadas nas profundidades de 0-10, 10-20 e 20-40 cm, foram agitadas por 24horas com 25mL de solução de CaCl2 0,01mol.L-1 contendo fósforo, na forma de NaH2PO4 H2O, nas concentrações de 0, 20, 40, 60. 80 e 100 ug mL- 1 . Det...
Submitted by Guilherme Lemeszenski (guilherme@nead.unesp.br) on 2013-08-22T18:46:06Z No. of bitstreams: 1 S0100-06832008000300024.pdf: 1672826 bytes, checksum: 1125d2a650e5b38dd9c97aa39efcc3f3 (MD5); Made available in DSpace on 2013-08-22T18:46:06Z (GMT). No. of bitstreams: 1 S0100-06832008000300024.pdf: 1672826 bytes, checksum: 1125d2a650e5b38dd9c97aa39efcc3f3 (MD5) Previous issue date: 2008-06-01; Made availa...
Submitted by Guilherme Lemeszenski (guilherme@nead.unesp.br) on 2013-08-22T18:46:50Z No. of bitstreams: 1 S0100-204X2005000100009.pdf: 263571 bytes, checksum: 524ac4c31f6dc503bbe76802874a177a (MD5); Made available in DSpace on 2013-08-22T18:46:50Z (GMT). No. of bitstreams: 1 S0100-204X2005000100009.pdf: 263571 bytes, checksum: 524ac4c31f6dc503bbe76802874a177a (MD5) Previous issue date: 2005-01-01; Made availabl...
The effect of Mg, Mn and B in uptake of 65Zn was studied by using excised roots from the cultivars IAC 165 and IAC 201. The experimental design was a randomized block scheme with three replicates. Two rates of Mg (0.1 and 0.4 mmol L-1) two rates of B (0.1 and 0.4 mmol L-1) and two rates of Mn (0.1 and 0.4 mmol L-1) were assessed in the presence of four zinc concentrations (0.5, 1.0, 2.0 and 10.0 mmol L-1). The ...
Germinating setts of sugar cane with different age and number of roots were placed in contact with a solution of phosphate labelled with p32. After 24hours the material was sliced and radioautographed. It was found that all ports were radio active (roots, buds, nodes and internodes). Radioactivity increased with age and with the number of absorbing roots.; A presente pesquisa foi realizada no Centro de Energia ...