John Rusling Block (born February 15, 1935) is a former U.S. secretary of agriculture, during the Reagan administration.

Block was a Secretary of Agriculture, when more farmers lost their farms than at any time since the Great Depression of the 1930s.

[citation needed] During his term as Secretary, a Federal court judge ruled in a due process decision, Coleman vs. Block, 663 FSupp 1315, 1332 (D.N.D.

During the U.S. government's appeal of the decision, Congress passed the Agricultural Credit Act of 1987, Pub.

The Declaration of Principle was announced by Secretary of Agriculture John Block with a fanfare on Ag Day, March 21, 1983.

Canada, with assistance from USDA, developed an Agriculture in the Classroom program in every Province as well as a national organization.

He is a Senior Policy Adviser at Olsson Frank Weeda Terman Bode Matz, a Washington law and lobbying firm that specializes in representing interests before the USDA and related federal agencies.