{"id":"https://openalex.org/keywords/nutrient-solution","display_name":"nutrient solution","description":"A water-based mixture of dissolved mineral nutrients supplied to plants, particularly in hydroponic and other soilless cultivation systems.","display_name_alternatives":["plant nutrient solutions","nutritive solution","nutritional solutions","nutrient solutions","plant nutrient solution"],"ids":{"openalex":"https://openalex.org/keywords/nutrient-solution","wikidata":null},"primary_topic":{"id":"https://openalex.org/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.2114,"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/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.2114,"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/T13391","display_name":"Innovations in Aquaponics and Hydroponics Systems","score":0.1553,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic 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/T12113","display_name":"Growth and nutrition in plants","score":0.1325,"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"}}],"works_count":8792,"cited_by_count":88559,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/nutrient-solution","updated_date":"2026-10-21T04:06:17","created_date":"2022-04-12T19:38:12"}