An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
 Image Number D2678-2 |
A study plot after beef cattle manure compost was added to soils degraded by mining. Compost can increase soil pH, plant-available phosphorus, total nitrogen, carbon, and available water to support plant establishment and growth.
Photo by Luke Baker, Brookside Laboratories, Inc.
