any stata code for threshold effect model with ccross-sections data

[Xiaomin Lai]

hi ,everyone .I am working with my micro-paper. it is talking about the farmers's adoption of organic pesticide with cross sections data. I wonder test whether there is any threshold of the dosage in organic pesticide to production. but I have not found available code for threshold effect model with cross sections data ,only models wit time serious data or panel data are available now .any good ideal for this? thank