Books by John Harry Hoyert:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Hoyert, John Harry, 1922-: Comparison of three-year rotations in Maryland tobacco production (University of Maryland, Agricultural Experiment Station, 1965), also by Orman E. Street and Claude G. McKee (page images at HathiTrust)- Hoyert, John Harry, 1922-: Plant stands in Maryland tobacco plant beds as affected by fertilizer rates and irrigation levels (University of Maryland, Agricultural Experiment Station, 1968) (page images at HathiTrust)
Find more by John Harry Hoyert at your library, or elsewhere.