AgMIP's ICASA variables — The International Consortium for Agricultural Systems Applications (ICASA) has established a naming convention for agricultural model variables. AgMIP has adopted these standards for use in the harmonized AgMIP Crop Experiment (ACE) database.
Agronomy Ontology - Gathers terms used to describe agronomic experiments
AGROVOC — Controlled vocabulary covering all areas of interest of FAO, including food, nutrition, agriculture, fisheries, forestry, environment etc. It is published by FAO and edited by a community of experts.
CAB Thesaurus — The CAB Thesaurus is not only an invaluable aid for CAB database users but has many potential uses by individuals and organizations indexing their own information resources for both internal use and on the Internet.
Crop Ontology — The Crop Ontology (CO) is intended to facilitate access to the data held within and/or across databases, in combination with a Trait Dictionaries for breeders' fieldbooks. The CO helps to harmonize data capture and manipulation through ontology-driven queries.
Gene Ontology — The Gene Ontology (GO) is a collaborative effort to address the need for consistent descriptions of gene products across databases. The GO Consortium (GOC) has grown since 1998 to incorporate many databases, including several of the world's major repositories for plant, animal, and microbial genomes.
Ontology Look Up Service of EBI - Provide a single point of access to the latest ontology versions, including CGIAR ontologies.
NAL Thesaurus and Glossary — The NAL Thesaurus and Glossary are online vocabulary tools of agricultural terms in English and Spanish.