; (2) in clause (vi), by inserting or after the semicolon; and (3) by adding at the end the following: (vii) agroforestry, including demonstration infrastructure for farmer or landowner learning; . (d) Regional food partnerships Section 210A(e)(2) of the Agricultural Marketing Act of 1946 ( 7 U.S.C. 1627c(e)(2) ) is amended by adding at the end the following: (C) Agricultural product diversity To the maximum extent practicable, in selecting partnerships to receive grants under subparagraph (A), the Secretary shall ensure diversity among the types of agricultural products supported by the partnerships, including sustainable fibers. .