Education Commons^™

G95-1268 Lettuce And Other Salad Greens, Susan D. Schoneweis

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses different salad greens, their uses and nutritional value.

Lettuce has been an important part of human diets since ancient times. It was customary for the Romans to precede their gargantuan banquets with refreshing lettuce salads in the belief that lettuce enhanced the appetite and relaxed the alimentary canal. It had other uses, too. Dried lettuce juice was used to aid sleep in Elizabethan times and through World War II lactucarium, a sedative made from wild lettuce extracts, was used in hospitals¹. Today, lettuce is used as the main ingredient in most salads and it is joined by …

Ec95-1560 Use Of Cultural Practices In Crop Insect Pest Management, Robert J. Wright

University of Nebraska-Lincoln Extension: Historical Materials

This Extension Circular reviews what is known about the effects of rotations, tillage practices, and planting and harvest dates on crop insect management, focusing on major crops in Nebraska.

Before the development of synthetic organic insecticides (pre-DDT era), rotations, tillage practices, planting and harvest dates, and other nonchemical cultural controls were commonly recommended for insect management. Research focused on crop rotation and other cultural practices for insect management. With the development of DDT and later insecticides however, research on nonchemical controls decreased markedly.

With the emergence of the concept of sustainable agriculture in the 1980s, there has been increased emphasis …