Preface by T. W. Schultz. Under contract with Iowa State Press for a revision, 2004. A 9-chapter book (about 200 pages) that documents the evolution, development, and economic impacts of public agricultural research, especially the state agricultural experiment stations over the past 150 years....

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This 474-page book provides much greater detail and documentation supporting the book "Science for Agriculture." It is available through 10 university research libraries and the National Agricultural Library, Beltsville, MD. Second printing 2000.

This article examines the impact of public agricultural research and extension on agricultural total factor productivity at the state level. The objective is to establish whether federal formula or competitive grant funding of agricultural research has a greater impact on state agricultural...

This article examines the impact of public agricultural research and extension on agricultural total factor productivity at the state level. The objective is to establish whether federal formula or competitive grant funding of agricultural research has a greater impact on state agricultural...

Huffman, W. E. "Changes in the Labour Intensity of Agriculture: A Comparison of California, Florida and the USA," in J.L. Findeis, A.M. Vandeman, J.M. Larson and J.L. Runyan, The Dynamics of Hired Farm Labour: Constraints and Community Responses, New York, NY: CABI Publishing, 2002, pp. 25-40.