< Page:Popular Science Monthly Volume 48.djvu
This page has been validated.
| On medium alkali. | Partly reclaimed alkali soil. | On fully reclaimed alkali soil. |
Plate 5.—Wheat and Barley Grain on Alkali Land treated with Gypsum. | ||
This article is issued from
Wikisource.
The text is licensed under Creative
Commons - Attribution - Sharealike.
Additional terms may apply for the media files.