The soybean cyst nematode
Subtitle: a new pest
Series: PA -- 333; Program aid (United States. Department of Agriculture) -- no. 333.
Publisher: Plant Pest Control Branch, Agricultural Research Service
Published: 1957
Place of publication: Washington, D.C
Language: eng
Subjects: Soybean cyst nematode; Soybean; Diseases and pests
Notes: Cover title.

"May 1957"--Page [4].