Electric heating of hotbeds
By: [by James M. Stanley]
Series: Leaflet / U.S. Dept. of Agriculture -- no. 445; Leaflet (United States. Dept. of Agriculture) -- no. 445.
Publisher: U.S. Dept. of Agriculture
Published: 1959
Place of publication: Washington, D.C
Language: eng
Subjects: Vegetables; Hotbeds
Notes: Cover title.

"Issued Feb. 1959"--P. 8.