A summary of research findings by the University of Georgia Soil Science research team into alternative agronomic uses of CCPs. |
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Turfgrasses are perennial plants bred and selected for aesthetics, resistance to abrasion, and other traits important for lawns, athletic fields, and recreational areas. They extremely high-value on a per acre basis; golf courses, for example, spend huge sums to maintain fairways and greens in top shape. Most turf-type grasses respond to typical soil amendments (lime, fertilizer) in terms of stand quality (density, vigor, color), which are the main criteria rather than yield. Improved bermudagrasses and fescue are the major grasses in Georgia , with other southern grasses (centipede, St. Augustine ) in the south and northern species (bent) in the north. |
Turf is often planted in poor (cut and fill) soils in urban areas with minimal site preparation, and as a result rooting may be inhibited by dense, acidic subsoils. Irrigation is typically required during drought periods in the hot summer months, times of low river flows that commonly result in watering bans in urban areas. Soil amendments that promote deeper and denser rooting, including gypsum, may reduce water stress during these times and the resultant need for irrigation. The high dollar value of turf suggests such soil amendments may be worthwhile to owners and managers. Sod production is a large industry in the southeastern Sun Belt. Most is field-grown on native soils, but CCBP blends may be useful as media for custom sod production (sod rolls) and as a low-density amendment for soils. |
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