; Public Law 101–624 ) is amended— (1) by striking the section heading and inserting National and Regional Agroforestry Centers ; (2) by redesignating subsections (a), (b), (c), and (d) as subsections (b), (d), (e), and (h), respectively; (3) by inserting before subsection (b) (as so redesignated) the following: (a) Definition of agroforestry In this section, the term agroforestry means a management system that intentionally integrates trees and shrubs into crop and animal farming systems to build more profitable and weather-resilient farms, ranches, and communities, address natural resource concerns and conservation needs, and establish productive and sustainable land use practices, including— (1) riparian forest buffers; (2) alley cropping; (3) silvopasture; (4) forest farming and multistory cropping; and (5) windbreaks, shelterbelts, hedgerows, and, where applicable, field borders, and living snow fences. ; (4) in subsection (b) (as so redesignated)— (A) in the subsection heading, by striking Semiarid and inserting National ; (B) by inserting (referred to in this section as the Secretary ) after Secretary of Agriculture ; (C) by striking Semiarid Agroforestry Research, Development, and Demonstration Center (hereafter referred to in this section as the Center ) and inserting National Agroforestry Research, Development, and Demonstration Center ; and (D) by striking subsection (b) and inserting subsection (d)