Conservation tillage systems.
| Corporate Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Madison, Wis. :
Soil Conservation Service, U.S. Dept. of Agriculture,
[1980]
|
| Subjects: |
| Item Description: | "June 1980." |
|---|---|
| Physical Description: | 1 folded sheet (6) pages : illustrations ; 22 cm. |