Titre A new method of self-pollinating cotton / by W.W. Ballard.

Adresse Bibliographique

Washington, D.C. : U.S. Dept. of Agriculture, 1934.

Exemplaires

Description	4 p. : ill. ; 23 cm.
Collection	Circular / United States Department of Agriculture ; no. 318
	Circular (United States. Department of Agriculture) no. 318.
Notes	Caption title.
With:	Bound With: Three bacterial spots of tomato fruit.
Sujet	Cotton.
	Pollination.
No Doc. Officiel	A 1.4/2:318