Oil fractions and their toxic effect on plants when used as weed killing sprays explained
oleh: A Crafts
| Format: | Article |
|---|---|
| Diterbitkan: | University of California Agriculture and Natural Resources 1947-09-01 |
Deskripsi
A description of oil fractions and their toxic effects on weeds, extracted from the Agricultural Extension Service Circular No. 137, General Contact Weed Killers, issued by the University of California College of Agriculture. The complete circular may be obtained without charge by addressing a request to the College of Agriculture, Berkeley 4, California.