US HB6388

Amends the Food Security Act of 1985 to update eligibility requirements for the Conservation Reserve Program (CRP), requiring cropland to have at least 85% soils with dryland cropland land capability class III through VII and a cropping history for at least 4 of the 6 preceding years

Defines conservation buffers to include grass waterways, prairie strips, filterstrips, riparian buffers, shelterbelts, wetlands, bioreactors, and wellhead protection areas eligible for enrollment

Sets cost-sharing payments at 50% of costs for establishing permanent vegetation, erosion control, fencing for riparian protection, water development practices, and mid-contract management activities

Reduces annual rental payments for reenrolled land, starting at 85% of the county average soil rental rate for the first reenrollment and decreasing by 10 percentage points for each subsequent reenrollment

Establishes tiered rental rate caps based on soil quality: 85% for Class I-II soils, 100% for Class III soils, 115% for Class IV-VII soils, and 100% for continuous enrollment regardless of soil class