PUBLIC LAW 107-171—MAY 13, 2002 116 STAT. 227 " (3) USE OF HANDBOOK AND GUIDES; STATE AND LOCAL CON- SERVATION CONCERNS.— "(A) USE OF HANDBOOK AND GUIDES.— In determining eligible conservation practices and the criteria for implementing or maintaining the conservation practices under the conservation security program, the Secretary shall use the National Handbook of Conservation Practices of the Natural Resources Conservation Service. "(B) STATE AND LOCAL CONSERVATION PRIORITIES.— The conservation priorities of a State or locality in which an agricultural operation is situated shall be determined by the State Conservationist, in consultation with— "(i) the State technical committee established under subtitle G; and "(ii) local agricultural producers and conservation working groups. "(4) CONSERVATION PRACTICES. —Conservation practices that may be implemented by a producer under a conservation security contract (as appropriate for the agricultural operation of a producer) include— "(A) nutrient management; "(B) integrated pest management; "(C) water conservation (including through irrigation) and water quality management; "(D) grazing, pasture, and rangeland management; "(E) soil conservation, quality, and residue management; "(F) invasive species management; "(G) fish and wildlife habitat conservation, restoration, and management; "(H) air quality management; "(I) energy conservation measures; "(J) biological resource conservation and regeneration; "(K) contour farming; "(L) strip cropping; "(M) cover cropping; "(N) controlled rotational grazing; "(O) resource-conserving crop rotation; "(P) conversion of portions of cropland from a soildepleting use to a soil-conserving use, including production of cover crops; "(Q) partial field conservation practices; "(R) native grassland and prairie protection and restoration; and "(S) any other conservation practices that the Secretary determines to be appropriate and comparable to other conservation practices described in this paragraph. "(5) TIERS. —Subject to paragraph (6), to carry out this subsection, the Secretary shall establish the following 3 tiers of conservation contracts: "(A) TIER I CONSERVATION SECURITY CONTRACTS.— ^A conservation security plan for land enrolled under a Tier I conservation security contract shall— "(i) be for a period of 5 years; and "(ii) include conservation practices appropriate for the agricultural operation, that, at a minimum (as determined by the Secretary)—
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