Uses sponges to demonstrate field capacity of different soil types. Describes forces acting on soil water. Describes soil characteristics and functions in protecting water quality. Runoff and leaching are discussed in relation to nonpoint source pollution. Introduces approaches to water quality protection.
Taxonomy plays an important role in land use and development.
Describes the development of a backyard landscape project to demonstrate the principles of gardening that were chosen to protect water quality in the Oyster Bay, N. Y., watershed on Long Island. The demonstration project identifies environmental and economic reasons for adopting sound gardening practices. Useful for agencies and environmental groups involved in planning their own demonstration project and for training homeowners in sound gardening practices. Shows how this control works. Suggests types of plants to use, angle of slope, and methods of preparing, planting, and caring for the plants.