What specific requirement did sodbuster implement?

The correct answer emphasizes the importance of soil conservation and sustainable agricultural practices as outlined by the sodbuster provision. This provision was enacted to address soil erosion and degradation, particularly on highly erodible lands. Under sodbuster, if farmers choose to cultivate highly erodible land, they must implement specific conservation measures to minimize soil erosion and maintain soil health.

This requirement encourages the adoption of practices that improve soil structure, reduce erosion, and preserve productivity while promoting environmental sustainability. The focus on placing conditions on the farming of erodible land ensures that agriculture can coexist with responsible land management, ultimately supporting long-term agricultural viability and environmental health.

The other choices, while related to conservation and agricultural practices, don’t specifically capture the essence of what sodbuster aims to achieve regarding soil management on highly erodible land.