mull

{
  "id": "MLC-T-AGR-004219",
  "term": "mull",
  "field": "Agriculture and food",
  "definition": "A soil whose upper mineral layer has become intimately mixed (mainly through the action of earthworms) with amorphous organic material, sometimes to a depth of 1.2 to 1.5 meters (4 to 5 feet).",
  "subject": "Fields of Study",
  "see_also": [
    "soil organic matter"
  ],
  "references": [
    "Burns, Russell M. and Barbara H. Honkala, tech. coords. Silvics of North America, vol 2. Hardwoods; Glossary. Agriculture handbook no. 654. U.S. Department of Agriculture, Forest Service, 1990",
    "NAL Agricultural Thesaurus and Glossary"
  ],
  "translations": {
    "es": "mantillo suave"
  },
  "url": "https://mlchart.com/terminology/agriculture/mull/"
}