Weeds
Publisher: U.S. Dept. of Agriculture; for sale by the Supt. of Docs.
Published: 1939
Number of pages: 29
Description: "Good rotations and efficient farm practices will subdue weeds. Three main principles of weed control must be observed: (1) prevent weeds from maturing seed on the farm, (2) prevent the introduction of weeds on the farm, and (3) prevent perennial weeds from making top growth."--Title page verso.