An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > environment > environmental factors > photoperiod
Natural Resources, Conservation, Environment > environment > environmental factors > photoperiod
Preferred Term:

fotoperíodo

Concept Schemes:
NALT Core
https://lod.nal.usda.gov/nalt
Términos Genéricos:
factores ambientales
Términos Específicos:
Términos Relacionados:
URI:
https://lod.nal.usda.gov/nalt/31841
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2017-08-11
Exactly Matching Concepts: