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“The term sustainable agriculture means an integrated system of plant and animal production practices having a site-specific application that will, over the long term:
- USDA 1990 Farm Bill (Food, Agriculture, Conservation and Trade Act (FACTA) of 1990)
Thomas Jefferson said: “The greatest service which can be rendered to a country is to add a useful plant to its culture.”
Aztec threshing Amaranth – Florentine Codex – 16th Century
A. cruentus A. caudatus