Books by John F. Ahrens:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Ahrens, John F. (John Frederick), 1929-: Chemical control of weeds in Christmas tree plantings (Connecticut Agricultural Experiment Station, 1969), also by Maxwell Leland McCormack and Theodore Ross Flanagan (page images at HathiTrust)- Ahrens, John F. (John Frederick), 1929-: Chemical control of weeds in nursery plantings (Connecticut Agricultural Experiment Station, 1961) (page images at HathiTrust)
- Ahrens, John F. (John Frederick), 1929-: The effects of additives on freshness and flammability of Christmas trees (Connecticut Agricultural Experiment Station, 1975), also by George R. Stephens (page images at HathiTrust)
- Ahrens, John F. (John Frederick), 1929-: Herbicides for conifer seedbeds (Connecticut Agricultural Experiment Station, 1976), also by C. G. Merrill and M. Cubanski (page images at HathiTrust)
Find more by John F. Ahrens at your library, or elsewhere.