Agriculture /
- Chicago, IL : World Book, c2009.
- 48 pages : color illustrations ; 27 cm.
- Inventions and discoveries .
Includes bibliographical references and index.
The domestication of plants and animals -- The hoe -- The plow -- Irrigation -- Crop rotation -- The water mill and water wheel -- The windmill -- The horse harness -- The seed drill -- The Norfolk system -- The cotton gin -- The steel plow -- The reaper -- The grain elevator -- The tractor -- Fertilizer -- Hybrid crops -- Pesticides -- Genetically modified food -- Important dates in agriculture.
"An exploration of the transformative impact of inventions and discoveries in agriculture. Features include fact boxes, sidebars, biographies, and a timeline, glossary, list of recommended reading and Web sites, and index"--Provided by publisher
9780716603856
AGRICULTURAL INNOVATIONS -- JUVENILE LITERATURE AGRICULTURE -- HISTORY -- JUVENILE LITERATURE