{"id":"https://openalex.org/keywords/em4","display_name":"EM4","description":"EM4 is a microbial inoculant used in agriculture and fermentation, including applications to improve crop growth and organic waste treatment.","display_name_alternatives":["EM-4"],"ids":{"openalex":"https://openalex.org/keywords/em4","wikidata":null},"primary_topic":{"id":"https://openalex.org/T11275","display_name":"Composting and Vermicomposting Techniques","score":0.2572,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11275","display_name":"Composting and Vermicomposting Techniques","score":0.2572,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13246","display_name":"Agriculture, Plant Science, Crop Management","score":0.214,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","score":0.0786,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"works_count":2458,"cited_by_count":3936,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/em4","updated_date":"2026-10-21T04:06:17","created_date":"2026-09-30T00:00:00"}
