purpose of this system practice is to use the necessary practices in a systems approach such that wastes are properly managed and the degradation of air, animal, water, plant, or soil resources is prevented.
Waste Storage Structure (Code 313)—A fabricated facility for the temporary storage of animal or other agricultural wastes. The purpose of the practice is to store waste until it can be safely and effectively used.
Waste Treatment Lagoon (Code 359)—An impoundment made by excavation or earthfill for biological treatment of animal or other agricultural wastes. The purpose of the practice is to reduce the strength of the waste.
Waste Storage Pond (Code 425)—An impoundment made by excavation or earthfill for temporary storage of animal or other agricultural wastes. The purpose of the practice is to store waste until it can be safely and effectively used.
Waste Utilization (Code 633)—Using animal or other agricultural wastes on land in an environmentally acceptable manner while maintaining or improving soil and plant resources. The purpose of the practice is to safely recycle waste materials back through the soil-plant system.
Filter Strips (Code 393)—A designed area or strip of vegetation for removing sediment, organic matter, and other pollutants from runoff and wastewater. The primary purpose of this practice is to improve or maintain offsite water quality. To meet conservation objectives and offsite water quality goals for lands adjacent to cultivated agricultural land or other land that is periodically disturbed, other practices generally must be installed in the areas contributing runoff to the filter strip. Consequently, a filter strip will not often be a stand-alone practice.
Roof Runoff Management (Code 558)—A facility for collecting, controlling, and disposing of runoff from roofs. The purpose of this practice is to divert noncontaminated runoff away from areas where waste accumulates to areas where clean water can be disposed of safely.
Nutrient Management (Code 590)—Managing the amount, form, placement, and timing of application of plant nutrients. The purpose of this standard is to assure that all sources of plant nutrients, including livestock waste, are included in a fertility program designed to supply plant nutrients for optimum yields, yet minimize nutrient losses to surface and ground water.
Pest Management (Code 595)—Managing agricultural pest infestations (including weeds, insects, and diseases) to reduce adverse effects on plant growth, crop production, and environmental resources. The purpose of this practice in the context of this handbook is to properly manage waste chemicals for environmental protection.
Many other practice standards are used to support those listed, such as those for irrigation and tillage and cropping systems. Others will be developed for constructed wetlands for wastewater treatment, pesticide containment facility, and riparian zone buffer strips. Until a conservation practice and other technical support documents are available, the technical requirements for constructed wetlands for wastewater treatment issued by SCS should be used.
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