In addition to the extensive information offered on the websites of international veganic networks, here are websites that offer a quick intro to veganic growing:
Veganic farming and gardening
North American Vegetarian Society
Several articles about veganic growing and amendments.
Beginner’s Guide to Veganic Gardening
Gentle World (New Zealand and Hawaii)
Overview of sources of fertility and amendments in veganic gardens.
Vegan Organic Gardening
Wikipedia listing
Encyclopedic entry about vegan organic gardening.
6 Tips for Veganic Gardening
Vegan.org
Tips for getting started with a veganic garden
8 November 2020