Ethylcellulose Formulations for Controlled Release of the Herbicide Alachlor in a Sandy Soil

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Ethylcellulose formulations for controlled release of the herbicide alachlor in a sandy soil.

The development of controlled-release formulations of alachlor to diminish its leaching in sandy soils, avoiding groundwater contamination and maintaining its efficacy, was studied. For this purpose, ethylcellulose (EC) microencapsulated formulations (MEFs) of alachlor were prepared under different conditions and applied to soil columns to study their mobility. The results show that in all case...

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The application rates for conventional herbicide formulations are generally greater than the recommended dosage, in order to overcome losses from degradation, leaching, volatilization, and sorption during the time needed for weed control. All these factors have encouraged the development of controlled release formulations (CRFs), which can reduce herbicides levels in the environment since less ...

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3 Alachlor [2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide] is a 4 widely used herbicide that has been identified as a groundwater contaminant. Several 5 slow-release formulations (SRFs) of this herbicide have been examined for their 6 capacity to reduce its leaching and enhance weed control. A field experiment was 7 performed to determine alachlor leaching and bioefficacy in: (i) a ...

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ژورنال

عنوان ژورنال: Journal of Agricultural and Food Chemistry

سال: 2007

ISSN: 0021-8561,1520-5118

DOI: 10.1021/jf071459g