Agriculture in what is now Mexico City can be traced back to the great city of Tenochtitl
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/role-urban-agriculture-waste-management-mexico-city
[2] http://admin.indiaenvironmentportal.org.in/category/author/h-losada
[3] http://admin.indiaenvironmentportal.org.in/category/author/j-rivera
[4] http://admin.indiaenvironmentportal.org.in/category/author/j-vieyra-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/urban-agriculture-magazine
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-agriculture
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agricultural-inputs
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-fertilisers
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/eco-sanitation
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/organic-waste
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-management
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/composting
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mexico