--- title: "Soil moisture zone" chunk: 1/1 source: "https://en.wikipedia.org/wiki/Soil_moisture_zone" category: "reference" tags: "science, encyclopedia" date_saved: "2026-05-05T12:20:00.348759+00:00" instance: "kb-cron" --- The soil moisture zone is the depth of soil from which plant roots extract water. == References == This article incorporates public domain material from Jasper Womach. Report for Congress: Agriculture: A Glossary of Terms, Programs, and Laws, 2005 Edition (PDF). Congressional Research Service.