THE BEHAVIOR OF HEXAZINONE HERBICIDE IN RECHARGE ZONE OF GUARANI AQUIFER WITH SUGARCANE CULTIVATED AREA

被引：17

作者：

Queiroz, Sonia C. N. ^{[1
]}

Ferracini, Vera L. ^{[1
]}

Gomes, Marco A. F. ^{[1
]}

Rosa, Maria A. ^{[1
]}

机构：

[1] Embrapa Meio Ambiente, Lab Residuos & Contaminantes, BR-13820000 Jaguariuna, SP, Brazil

来源：

QUIMICA NOVA | 2009年 / 32卷 / 02期

关键词：

pesticides; sugarcane; hexazinone;

D O I：

10.1590/S0100-40422009000200020

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sao Paulo state (Brazil) has an important area of sugarcane production, mainly for obtaining alcohol and sugar, where there is an intensive use of pesticides. An important recharge zone of Guarani aquifer, with supplies water for the local population, is located at Ribeirao Preto city, so the local behavior of pesticides must be investigated. The GUS index was obtained by using the paramenters Koc and half-life for hezazinone herbicide, determinated in representative soil of this region. This study has demonstrated that there is potential risks of hexazinone leaching to ground water, indicating that this herbicide must be monitored in ground water.

引用

页码：378 / 381

页数：4

共 23 条

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