Spacing and date-of-seeding experiments with grain sorghums
- Source:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 131 1929
- Year:
- 1929
- Subject:
- Sorghum -- Research
- Format:
- 47 p. : ill. ; 23 cm.
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection