The soil fumigants methyl bromide, chloropircrin and Basamid or mixtures of Basamid and chloropicrin proved to be of no use in filling T. trichiura ova in soil. However, on untreated plots the eggs died at a rate such than only 20% of the ova remained viable after 18 months.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2129819PMC
http://dx.doi.org/10.1017/s0022172400055753DOI Listing

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