坪床结构对三种草坪草成坪效果的影响
毕业论文关键词：坪床结构；草坪草；成坪效果；草坪工程
Effects of Turf-bed Structures on Turf Establishment of Three Different Turf-grass Species
Abstract: Turf-bed is the key to maintain the traffic tolerance and persistence of sports field. Different turf structures will have profound influence on growth and development of turf-grass and sports functions, because of different physical and chemical properties, and it will express as different turf establishment in the initial stage of the construction. This experiment bases on rural soil, fine sand, and medium-coarse sand which are most frequently used in our country, and takes seashore paspalum (Paspalum vaginatum)、hybrid bermudagrass (Cynodon dactylon • C. transvaalensis) and zoysia sinica, according to the evaluation on the establishment effect of different sports turf-grass species in different turf-beds, in order to study further for traffic tolerance of different species on different turf-beds and low cost maintenance and management of key technology to lay the foundation. According to the results of this experiment, it shows that the soil saturated hydraulic conductivity and infiltration rate of sand-based turf-beds are obviously higher than rural soil turf-bed, which means fine water and air permeability. And before planting grass, the soil compaction of sand-based turf-bed is lower than rural soil turf-bed’s on 0-10cm layer. But there are big differences between rural soil turf-bed and sand-based turf-bed on nutrient loss of N, P, K, Fe, Zn, which shows like fine sand turf-bed > medium-coarse sand turf-bed >rural soil turf-bed, it shows that sand-based turf-beds lose nutrient seriously. According to turf indexes of turf density, leaf width, leaf color, turf temperature, the turf establishments of seashore paspalum and hybrid bermudagrass on sand-based turf-beds are better than rural soil turf-bed, sand-based turf-bed is better than soil turf-bed’s, and medium-coarse sand turf-bed’s is better than fine sand turf-bed’s, and as for zoysia sinica, the turf establishment on rural soil turf-bed is the best type.
Key words: turf-bed structure；turf-grass；turf establishment；turf engineering
目 录
摘要1
关键词1
Abstract1
Key words2
引言2
1 材料与方法2
1.1 试验地概况2
1.2 坪床结构2
1.3 草坪草种2
1.4 建坪及养护方法3
1.4.1 建坪方法3
1.4.2 养护方法3
1.5 土壤指标与方法3
1.5.1 土壤容重3