Kitabu hiki huenda hakitapatikana katika uchapishaji.

This publication includes information on the work of the Ona Agricultural Research and Education Center began in the late 1930s.
36 pgs, illust
Maelezo ya Uchapishaji
- Limechapishwa: 1991
- Mchapishaji: Institute of Food and Agricultural Sciences, Ona Florida
- Dewey Decimal: 633.2
- Maktaba ya ECHO: 633.2 ARE