Editing Cannabis (section)

===Industrial use (hemp)===
{{Main|Cannabis (industrial uses)}}
[[File:Cannabis Sativa Querschnitt.JPG|thumb|upright|''Cannabis sativa'' stem longitudinal section]]
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The term ''hemp'' is used to name the durable soft fiber from the ''Cannabis'' [[plant stem]] (stalk). ''Cannabis sativa'' cultivars are used for fibers due to their long stems; Sativa varieties may grow more than six metres tall. However, ''hemp'' can refer to any industrial or foodstuff product that is not intended for use as a drug. Many countries regulate limits for psychoactive compound ([[THC]]) concentrations in products labeled as hemp.

Cannabis for industrial uses is valuable in tens of thousands of commercial products, especially as fibre<ref name="naihc.org">{{cite web|url=http://www.naihc.org/hemp_information/hemp_facts.html|title=Hemp Facts|publisher=Naihc.org|access-date=17 February 2011|archive-url=https://web.archive.org/web/20121127055208/http://naihc.org/hemp_information/hemp_facts.html|archive-date=27 November 2012|url-status=dead}}</ref> ranging from [[paper]], [[Rope|cordage]], [[Hemp#Composite materials|construction material]]<ref>{{Cite journal |last=Arrigoni |first=Alessandro |last2=Pelosato |first2=Renato |last3=Melià |first3=Paco |last4=Ruggieri |first4=Gianluca |last5=Sabbadini |first5=Sergio |last6=Dotelli |first6=Giovanni |date=2017-04-15 |title=Life cycle assessment of natural building materials: the role of carbonation, mixture components and transport in the environmental impacts of hempcrete blocks |url=https://www.sciencedirect.com/science/article/abs/pii/S0959652617303876 |journal=Journal of Cleaner Production |volume=149 |pages=1051–1061 |doi=10.1016/j.jclepro.2017.02.161 |issn=0959-6526|hdl=10446/131799 |hdl-access=free }}</ref><ref>{{Cite web |last=Environmental Professionals Network |first= |date=2014-10-08 |title=The Prospects of Hemp Building Materials |url=https://environmentalprofessionalsnetwork.com/the-prospects-of-hemp-building-materials/ |access-date=2025-05-06 |language=en-US}}</ref> and textiles in general, to [[clothing]]. Hemp is stronger and longer-lasting than [[cotton]]. It also is a useful source of foodstuffs (hemp milk, hemp seed, hemp oil) and [[biofuels]]. Hemp has been used by many civilizations, from [[China]] to [[Europe]] (and later [[North America]]) during the last 12,000 years.<ref name="naihc.org"/><ref>{{cite web|url=http://www.hempfood.com/IHA/iha02111.html|title=The cultivation and use of hemp in ancient China|publisher=Hempfood.com|access-date=17 February 2011|archive-date=29 January 2013|archive-url=https://web.archive.org/web/20130129083110/http://www.hempfood.com/IHA/iha02111.html|url-status=dead}}</ref> In modern times novel applications and improvements have been explored with modest commercial success.<ref name="Gertjan">{{cite journal|title=Hemp Pulp and Paper Production| vauthors = Van Roekel GJ |journal=Journal of the International Hemp Association|year=1994|url=http://www.druglibrary.org/olsen/hemp/IHA/iha01105.html|access-date=10 November 2011|archive-date=21 October 2011|archive-url=https://web.archive.org/web/20111021210825/http://druglibrary.org/olsen/hemp/IHA/iha01105.html|url-status=live}}</ref><ref name="Alberta">{{cite web|title=Industrial Hemp Production in Alberta|year=2011|url=http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/econ9631| vauthors = Atkinson G |publisher=Government of Alberta, Agriculture and Rural Development|location=CA|access-date=10 November 2011|archive-date=4 November 2011|archive-url=https://web.archive.org/web/20111104053513/http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/econ9631|url-status=live}}</ref>

In the US, "industrial hemp" is classified by the federal government as cannabis containing no more than 0.3% THC by dry weight. This classification was established in the [[2018 United States farm bill|2018 Farm Bill]] and was refined to include hemp-sourced extracts, cannabinoids, and derivatives in the definition of hemp.<ref name="cornell">{{Cite web |title=7 U.S. Code § 5940 – Legitimacy of industrial hemp research |url=https://www.law.cornell.edu/uscode/text/7/5940 |url-status=live |archive-url=https://web.archive.org/web/20201222033600/https://www.law.cornell.edu/uscode/text/7/5940 |archive-date=22 December 2020 |access-date=27 November 2018 |website=LII / Legal Information Institute}}</ref>