(Group 10, Corn.) * For Sale by Superintendent of Documents. 15c. per set of 7 charts.
Notes:
10.1. Corn and corn plants. [Prepared in cooperation with Plant Industry Bureau.]
10.2. Structure of corn kernel. [Prepared in cooperation with Plant Industry Bureau.]
10.3. Corn production. [Prepared in cooperation with Plant Industry Bureau find Agricultural Engineering Bureau.]
10.4. Pests of corn. [Prepared in cooperation with Entomology and Plant Quarantine Bureau.]
10.5. Corn harvesting. [Prepared in cooperation with Plant Industry Bureau and Agricultural Engineering Bureau.]
10.6. Seed corn. [Prepared in cooperation with Plant Industry Bureau.]
10.7. Corn crop. [Prepared in cooperation with Agricultural Economics Bureau.]
Availability:
* For Sale by Superintendent of Documents. 15c. per set of 7 charts.