Grain drill: References & Edit History
More Articles On This Topic
Article Contributors
Primary Contributors
-
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 05, 2026 | ||
| Invalidated site: PennState Extension - Plants and Pests - Crops and Soils - Calibration of Grain/Seed Drills. | Nov 26, 2019 | ||
| Add new Web site: PennState Extension - Plants and Pests - Crops and Soils - Calibration of Grain/Seed Drills. | Dec 01, 2016 | ||
| Add new Web site: Purdue Extension - Grain Drill Metering Systems and the Need for Calibration. | Dec 01, 2016 | ||
| Media added. | Feb 10, 2010 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: