Complex stability constants of glyphosate: A necessary parameter for predicting its fate in soil

Mohtar Yusof, . (1990) Complex stability constants of glyphosate: A necessary parameter for predicting its fate in soil. [Proceedings Paper]

Glyphosate has been considered to have a relatively low risk on environmental pollution. It has been shown that it could be bound strongly to clay minerals. A laboratory experiment was carried out to determine a necessary deactivation parameter of glyphosate by environmental matrices. It was shown that the major factor which glyphosate could be deactivated by the environment is through complex formation process with mineral ions. As the complex formation is a reversible mechanism glyphosate still could give environmental problem if this binding process is interrupted. A system fluctuating pH such as acid sulphate soil in the tropics will be a good sample for predicting its potential environmental pollution. Environment that has little bi-and trivalent metal ions such as sandy soil and flowing water system even in turbid irrigation water would not be able to reduce glyphosate environmental problem easily

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Abstract

Glyphosate has been considered to have a relatively low risk on environmental pollution. It has been shown that it could be bound strongly to clay minerals. A laboratory experiment was carried out to determine a necessary deactivation parameter of glyphosate by environmental matrices. It was shown that the major factor which glyphosate could be deactivated by the environment is through complex formation process with mineral ions. As the complex formation is a reversible mechanism glyphosate still could give environmental problem if this binding process is interrupted. A system fluctuating pH such as acid sulphate soil in the tropics will be a good sample for predicting its potential environmental pollution. Environment that has little bi-and trivalent metal ions such as sandy soil and flowing water system even in turbid irrigation water would not be able to reduce glyphosate environmental problem easily

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Item Type:	Proceedings Paper
Additional Information:	1 table 18 ref.; Summary En
AGROVOC Term:	GLIFOSATO
AGROVOC Term:	POLUCION
AGROVOC Term:	EFECTOS RESIDUALES/ PH
AGROVOC Term:	SUELO ARENOSO
Geographical Term:	MALAYSIA
Depositing User:	Ms. Norfaezah Khomsan
Last Modified:	24 Apr 2025 05:26
URI:	http://webagris.upm.edu.my/id/eprint/14919

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