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| Project Name: | Reducing Nonpoint Source Pollution from Sugarcane Fields by Cereal Cover Cropping in Kaiaka – Waialua HUA |
| ASO Log No.: | 93-105B-95 |
| Start/End Date: | December 1992 to June 1995 |
| Federal Funds: | $46,174.00 |
| Matching Funds: | $30,874.00 |
| Contractor: | Samir El-Swaify University of Hawaii – CTAHR Department of Agronomy and Soil Sciences 1910 East-West Road, Sherman Lab Honolulu, HI 96822 Phone: (808) 956-7530 Fax: (808) 956-6539 |
| Background/ Overview: |
Pollution from runoff, sediment, and associated organic or inorganic chemicals is the primary cause of surface water quality impairment in Hawaii. Kaiaka-Waialua Bay is designated as one of Hawaii’s Water Quality Limited Segments. Agriculture is acknowledged as a major contributor to NPS pollution of the bay and, at the time of this project, growing sugarcane was the most widely practiced land use in the area. |
| Objectives/Goals: | To demonstrate cover cropping technology at a realistic and operational scale in Hawaii’s highly developed agriculture, emphasizing the development of a mechanized tool to facilitate the adaptation and adoption of intercropping technologies by sugarcane plantations |
| Methods Employed: | • Develop specialized precision equipment for planning
cover crops • Demonstrate the use of this equipment • Demonstrate the effectiveness of oat, rye-grass, rye-grain, or other cereal cover crops in reducing herbicide applications while maintaining adequate weed control • Quantify the benefits • Hold demonstrations, field days, and training to educate local farmers • Make the planter available for loan to interested land users |
| Pollutants of Concern: | Sediment, herbicides |
| Watershed: | Waialua, Kiikii, Poamoho, Kaukonahua, Paukaulia, Opaeula, Helemano, Anahulu, Kawailoa, Kawaiiki, Loko Ea and Keamanea Watersheds, island of Oahu |
| Size of Project: | Not defined in report |
| Affected Water Bodies: | Kaiaka and Waialua Bays |
| Deliverables: | Not described in report |
