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|Type:||Artigo de periódico|
|Title:||Evaluating the residual effects of sludge in root distribution and heavy metals in sugar cane crop|
|Author:||da Silva, PFC|
de Oliveira, JCM
|Abstract:||The results obtained in the study of root growth, agricultural productivity, and heavy metal contamination in sugar cane crop are analysed in this article, with the objective of evaluating the residual effects of sewage sludge (SS) applied to and in between the plant rows after the first harvest. Some treatments were evaluated from a field trial by examining aspects such as the main check, commercial fertilization (amended with 60, 80 and 100 Kg/ha of N, P2O5 and K2O), and plots amended with SS, with doses of 20 and 40 t/ha of wet SS applied to and in between the planting row after the first harvest: SS (20), SS (20+20), SS (40) and SS (40+40) of the t/ha. To evaluate the effect of SS in soil fertility, samples were taken from a depth of 0 to 20 and 20 to 50 ems, four months after the first harvest of sugar cane plants. The samples were analysed by the IAC method and had the heavy metals extracted with the DTPA method and analysed by ICP. By the time the sugar cane ripened and the stem was harvested, the root distribution was evaluated in the six treatments previously defined.|
|Country:||País de Gales|
|Editor:||Int Sugar Journal Ltd|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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