Clemens, Lewis and Postel (2018) (“CLP”) looked at the impacts of the termination of the Bracero Agreement. The original reasoning for cancelling the Bracero Agreement was to improve wages of US citizens in the agriculture sector, especially in states that had a high number of immigrants from Mexico under the Bracero Agreement. CLP found that there was no change in real wages for citizens after the agreement was terminated. Moreover, there was also no change on employment.
For additional information on this paper and other papers regarding non-college educated immigration, see here - https://www.nominalnews.com/p/h-2b-immigrants-economic-growt...