Speeding up flowering in the daffodil and the bulbous iris.
Griffiths, David, 1867-1935.
Speeding up flowering in the daffodil and the bulbous iris. By David Griffiths. - Washington, U.S. Govt. print. off. 1936. - 18 p. 5 pl. on 3 l. 23 cm. - U. S. Dept. of agriculture. Circular no. 367 .
Contribution from Bureau of plant industry.
agr36000118
Daffodils.
Forcing (Plants)
Irises (Plants)
SB413.D12 / G72
Speeding up flowering in the daffodil and the bulbous iris. By David Griffiths. - Washington, U.S. Govt. print. off. 1936. - 18 p. 5 pl. on 3 l. 23 cm. - U. S. Dept. of agriculture. Circular no. 367 .
Contribution from Bureau of plant industry.
agr36000118
Daffodils.
Forcing (Plants)
Irises (Plants)
SB413.D12 / G72