Photograph of Lowell Caskey and Walter Hart discussing organic matter and soil fertility. This field has had a crop of vetch in rotation every year since 1936, the oldest vetch planting in the country.

Photograph of land preparation comparison. The left plowed with disc-to the right plowed with mole board. Sand burr and needle grass competition where disc is used. No competition where mole board used Bermuda planted on both areas. Soil Unit 7.

Photograph of Lowell Caskey and Walter Hart discussing and posing with organic matter and soil fertility on the Lowell Caskey Farm. The Lowell Caskey Farm, according to the photograph, has the oldest vetch planting in the country due to his crop rotation of vetch since 1936. People shown in photo go as followed from left to right: 1. Lowell Caskey, 2. Walter Hart. The back of the photograph proclaims, "Lowell Caskey and Walter Hart discussing organic matter and soil fertility. This field has had a crop of vetch in rotation every year since 1936, the oldest vetch planting in the country."