School exercises in plant production / by Dick J. Crosby.
"The course in agriculture for the rural common schools, as outlined by the committee on instruction in agriculture in its ninth report to the Association of American Agricultural Colleges and Experiment Stations, was designed to extend over two years, the seventh and eight years in schools hav...
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| Main Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1910.
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| Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 408. |
| Subjects: |