This article discusses some potentials of plants for solving environmental problems. (PD)

This key is designed to help identify the most common trees found in Iowa. It is based on vegetative characteristics such as leaves, fruits, and bark and is illustrated with black and white line drawings. Since vegetative characteristics vary due to climate, age, soil fertility, and other conditions, the numerical sizes listed, such as length and…

This guide contains basic information to meet specific standards for pesticide applicators. The text is concerned with recognition and control of ornamental and turfgrass pests such as leaf spot, scab, powdery mildew, galls, grubs and weeds. A section of the text is also devoted to environmental concerns to be considered when undertaking pest…

By operating a temporary care service for houseplants, trainable mentally handicapped secondary students developed responsibility and interest in a productive leisure time activity. (CL)

In Olmsted County, Minnesota, a garden became an outdoor classroom for extension program assistants in the Food and Nutrition Education Program. (Author/MB)

Describes a school gardening program involving the classroom, homes of the children, and special tracts of land throughout the city. (DM)

Summary of Authors' Masters project, Rutgers University, 1969

Describes a program in vegetable gardening developed by Purdue University specialists in horticulture and computer technology. This computer program offers residents of Indiana individual garden plans based on their own specifications. (CT)

The Cherokee County (Alabama) horticulture training program provides 40 mildly mentally retarded adolescents with vocational training in a marketable skills. The broad spectrum of vocational skills makes horticulture ideal for the handicapped. (DB)