"कृषि का इतिहास" के अवतरणों में अंतर

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== बाहरी कड़ियाँ ==
* [https://web.archive.org/web/20120105215501/http://www.hindusthangaurav.com/krishi.asp भारत में कृषि विज्ञान की उज्जवल परम्परा] (भारत गौरव)
* [https://web.archive.org/web/20121026061547/http://asianagrihistory.org/articles.php एशियन कृषि-इतिहास फाउण्डेशन]
* [https://web.archive.org/web/20090928000004/http://acl.arts.usyd.edu.au/projects/earth/ Early Agricultural Remnants and Technical Heritage] is a multidisciplinary project investigating the development of non-industrial agricultural techniques, with a focus on Europe.
* [https://web.archive.org/web/20100528014815/http://www.nal.usda.gov/afsic/pubs/tracing/tracing.shtml ''Tracing the Evolution of Organic/Sustainable Agriculture''] A Selected and Annotated Bibliography. Alternative Farming Systems Information Center, [[National Agricultural Library]].
[[श्रेणी:कृषि का इतिहास]]