Influence of Air-dried Sewage Sludge Mixed Medium on Ecophysiology of Turfgrass The Techniques For Planting Lawn with Film-Bottomed Tillage and Water Saving Irrigation in sandy land of Arid Desert Region Comparison study of sulfur dioxide resistance of three warm-season turf grasses Studies on Transferring P5CS Gene into Tall Fescue ( Festuca arundinaceaSchreb. ) via Microprojectile Bombardment Effect of Four Brands of Gelling Agents on Callus Induction from Mature Seeds of Several Turfgrass Species Soil respiration of Zoysia matrella turfgrass in subtropics Effects of short-term cold-air outbreak on soil respiration and its components of subtropical urban green spaces