At the Agriculture Department, Richard Goldberg, president of Goldberg Feed and Grain Co. in West Fargo, N.D., has been appointed deputy undersecretary of Agriculture for international affairs and commodity programs. Goldberg will focus on domestic issues, while Alan Tracy, who also serves as deputy undersecretary, will concentrate on the foreign side. Charles L. Grizzle has been designated acting deputy assistant secretary for administration. Grizzle, who has served in departmental posts since February, 1982, was formerly executive director of the Republican Party of Kentucky. And Joseph H. Howard, acting director of the National Agricultural Library since last December, has been named its director.

Edmund DeJarnette, deputy chief of mission at the U.S. embassy in Senegal and a career foreign service officer, has been nominated to be ambassador to the Central African Republic. He would replace Arthur H. Woodruff.

Stuart R. Briedbart has resigned as chief counsel of the Transportation Department's Maritime Administration, effective Sept. 15.

Reed Phillips Jr., director of the Interior Department's Office of Information Resources Management, has been elected chairman of the Interagency Committee on Automatic Data Processing for 1983-84.

Barry Van Lare, staff director of the National Governors Association's Committee on Human Resources, has announced he will leave Aug. 3 to join the Sanus Corp., a health-care management firm.