Also found in: Wikipedia.
Related to alley cropping: Ley farming
A method of planting in which rows of a crop are sown between rows or hedges of nitrogen-fixing plants, the roots of which enrich the soil.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.