The Agricultural Improvement Act of 2018 (2018 Farm Act): Consolidates USDA’s four market development and export promotion programs into a new Agricultural Trade Promotion and Facilitation Program and provides the Secretary of Agriculture new flexibility in promoting trade.Permits Market Access Program and Foreign Market Development Cooperator Program funding for activities in Cuba, with the restriction that funds are not used in contravention of the policy outlined in National Security Presidential Memorandum 5 of June 16, 2017.Expands technical assistance and extension efforts to increase trade and improve global food security.Removes minimum commodity monetization requirement (i.e., donated food sold to fund programming) for nonemergency development programs under Food for Peace.Requires more detailed annual reporting by USDA and USAID on use of funds by cooperators and implementing parties.New Programs and Provisions-Agricultural Trade Promotion and Facilitation Program (ATPFP)—With mandatory annual funding of $255 million, the ATPFP consolidates USDA’s four market development and export promotion programs (Market Access Program, Foreign Market Development Cooperator Program, E. Kika De La Garza Emerging Markets Program, and Technical Assistance for Specialty Crops) and adds to it the Priority Trade Fund. This new fund provides the Secretary of Agriculture $3.5 million annually to promote trade when the ATPFP’s component programs have applications that exceed available funding. Biotechnology and Agricultural Trade Program—Assists with the removal of nontariff and other trade barriers to U.S. agricultural products produced with biotechnology and other agricultural technologies. The program was originally part of the Food Agriculture and Conservation Act of 1990 and was appropriated $6 million annually from 2002 to 2007.