Higher Yields

The determination of Iowa farmers to get the best return for their efforts has led to a momentous transformation in the quantity and quality of grains and livestock produced on Iowa farms. The first agricultural transformation arrived with the steel plow, which led to increased national grain production. The second transformation came in the form of a tractor, retiring horses from the chore of plowing while increasing the size of the fields that could be farmed with less labor. The third transformation, genetic engineering, enables farmers to custom-design crops and livestock.

Click to discover sites sharing the story of Higher Yields.

Contact Us

Silos & Smokestacks
National Heritage Area Headquarters

305 W Park Ave
Waterloo, IA 50701
319.234.4567Send Us a Message
Donate
STAY CONNECTED
Subscribe to our newsletter to receive the latest updates and news
Hours
Open Monday - Friday 9am - 4pm
Closed Weekends
Request Visitors Guide
Copyright © 2026 Silos & Smokestacks National Heritage Area. All rights reserved.
Iowa Web Design by IFC Studios
crosschevron-upchevron-down