How the world grows what it eats

Every crop, one connected map of feeding the world.

Agriculture and Farming Atlas is a cross-referenced encyclopedia of farming, from the crops and livestock people domesticated to the practices, tools and institutions built around them. Search any crop and follow its threads through every practice that shaped how it is grown.

Browse the Directory Compare crops

120Crops 337Livestock 75Practices 5,153Entries

10,716Sourced facts

Browse the Atlas

Every section of the atlas.

What you can do here

Explore & connect

Open any entry and follow it outward through everything it touches: the practices, the tools, the institutions and the crops it rests on. See what cites it in return.

Compare crops

Set two or more crops, livestock or practices side by side and see where their history, their sources and their disputes actually overlap.

Featured today

A cross section of the collection.

Concepts

Mite

Mites are small arachnids, eight-legged arthropods, of two large orders, the Acariformes and the Parasitiformes, which were historically grouped toget

Milestones

Domestication of the Potato

The potato was domesticated from wild Solanum species in the Andean altiplano near Lake Titicaca, on the border of modern Peru and Bolivia, likely bet

Disciplines

Animal Husbandry

The keeping and breeding of farm animals: feeding, housing, health and, above all, the slow generational work of selective breeding that turned the au

Pests and Diseases

Melampsora lini

Melampsora lini is a species of fungus and plant pathogen found in Ireland, commonly known as flax rust. This description is adapted from Wikipedia c

Crops

Sweet Potato

The sweet potato is a starchy tuberous root crop of the morning glory family, grown as a staple food across the tropics and cultivated as well for its

Livestock

Llama

The llama is a domesticated South American camelid, used by Andean cultures since the pre-Columbian era chiefly as a pack animal and for meat. DNA ana

Practices

Snail Farming

Snail farming, formally called heliciculture, is the process of raising edible land snails, primarily for human consumption or cosmetic use; the meat

Implements and Machines

Yoke

A yoke is a wooden beam fitted between a pair of oxen or other draft animals so that they can pull a load together, transferring the animals' combined

Latest Correction

When the atlas changes its mind about something it stated plainly, the record is kept in public.

Concerns Rice Huller

Introduced Year

What Changed. This entry moved from well-attested to partially Attested on September 25, 2026.

Why. The source gives 1885 as the year the Engelberg huller, the most popular modern type, was first patented; it does not date the earliest rice hullers, which are older hand and pounder methods.

Sourced to Rice Huller (Wikipedia).

An Open Question

A gap nobody has closed yet, rotated daily.

How much of the Homestead Act's granted land went to fraudulent or speculative claims rather than genuine settlers?

See This Question

Switch Atlas

The Inner World

The Civil World

The Natural World