How crops grow, a century later ; a series of lectures to celebrate the centennial of how crops grow by Samuel W. Johnson, 1868
Day, Peter Russell
How crops grow, a century later ; a series of lectures to celebrate the centennial of how crops grow by Samuel W. Johnson, 1868 - New Haven : Connecticut Agricultural Experiment Station, 1969 - 180 p. : ilus. - Connecticut Agr. Exp. Sta. Bulletin ; 708 . - Connecticut Agr. Exp. Sta. Bulletin ; 708 .
71956
Cultivos.
633 / D39
How crops grow, a century later ; a series of lectures to celebrate the centennial of how crops grow by Samuel W. Johnson, 1868 - New Haven : Connecticut Agricultural Experiment Station, 1969 - 180 p. : ilus. - Connecticut Agr. Exp. Sta. Bulletin ; 708 . - Connecticut Agr. Exp. Sta. Bulletin ; 708 .
71956
Cultivos.
633 / D39