Permanent Pasture Compared with a 5-year Crop-and-pasture Rotation for Dairy Cattle Feed

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics: Third Report, Issues 601-625

The Pan American Tomato: A New Red Variety Highly Resistant to Fusarium Wilt, Issues 601-625

Investigations in Erosion Control and Reclamation of Eroded Sandy Clay Lands of Texas, Arkansas, and Louisiana at the Conservation Experiment Station, Tyler, Tex., 1931-40: Issues 901-925

A Revision of the Mites of the Subfamily Tarsoneminae of North America, the West Indies, and the Hawaiian Islands: Issues 651-675