Forrest George Bell, 77, a retired agronomist for the Department of Agriculture and the Department of State, died of emphysema Monday at the Eppely Care Center in Omaha.

Mr. Bell was an authority on soil and water conservation soil physics, wind erosion, climatology and agricultural engineering.

He joined Agriculture in 1934 and worked at the department's research facilities in Iowa, Wisconsin and Nebraska before coming to this area in 1940.

He then was an assistant chief of conservation and chief of erosion control before transferring to the State Department's Old International Cooperation Administration in 1957 as an agricultural adviser to the U.S. Mission in Spain.

He also was a technical adviser for the Agency for International Development in Brazil before retiring in 1964.

A native of Beatrice, Neb., Mr. Bell graduated from the Nebraska State Teachers College. He also attended, Iowa State University.

He received the Spanish Merit Award.

Before moving to Omaha in 1978, he lived in Somner, Md.

Survivors include his wife, Alfhild G. Bell, and a son, Robert M., both of Omaha; two sisters, Hilda Carey, of Lincoln, Neb., and Evelyn Raitt, of Kansas City, Mo., and four grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the Westmoreland Congregational Church Organ Fund in Bethesda.