山砂作高尔夫球场球道用砂的可行性研究
发布时间：2018-09-01 17:57
【摘要】：为探究山砂是否可作高尔夫球场球道用砂,以达到降低高尔夫球场建造成本的目的,本研究采用长沙市普遍分布的山砂1号和山砂2号为研究材料,以河沙为对照,参照USGA球道用砂标准,通过对其物理与化学性状测定及其作为高尔夫球场球道草坪建植基质的应用性状综合评价,获得如下研究结果：1.物理性状检测结果表明：山砂1号和山砂2号的细度模数分别是3.2和3.1,属于粗砂,山砂的粗颗粒含量较多,河沙的细度模数只有2.6,属于中沙。受其颗粒特性的影响,两种山砂的表观密度与堆积密度都比河沙小。山砂的孔隙率比河沙高,但其含泥量比河沙要大,因此在30cm深度时,河沙渗透率比山砂稍高。USGA球道用砂标准要求渗透率15cm/h,孔隙度(35%-55%),三种沙的渗透率和孔隙度均符合标准。两种山砂中0.25-1.0mm粒径沙比重,山砂1号为35.6%,山砂2号为40.7%,难以达到占总量60%以上USGA球道用砂标准,可通过粉碎、过筛或水洗等处理,以达到USGA球道用砂标准。从整体的物理性状对比来看,两种山砂与河沙有差异,但影响不大。2.化学性状检测结果表明：山砂1、山砂2号和河沙的pH值分别为5.71、5.64和6.6,都处于多数草坪草种所适宜的微酸性-中性土壤pH值(5.5～7.0)的范围之内。山砂1、山砂2号和河沙的EC25值分别为1.03 mS/cm,1.1 mS/cm和0.56mS/cm,两种山砂的EC值相差不大,但比河沙要大近一倍。山砂1、山砂2号和河沙的水溶性盐分含量分别为0.04%、0.04%和0.01%,两种山砂均比河沙高。当土壤水溶性盐分含量0.2-0.3%,不会对草坪生长产生不利影响,两种山砂与河沙的水溶性盐分含量均未超标。因此,在化学性质方面,两种山砂都符合使用要求。3.以山砂1号、山砂2号和河沙作基质,参照USGA球道建造标准种植海浪海滨雀稗(尸aspalum vaginatum cv. Sea Spray),结果表明：在生育期方面,河沙基质的海滨雀稗草坪成坪速度比山砂作基质快,返青时间早,绿色期稍长,但对抽穗开花和结实没有影响,两种山砂在生育期的表现一致。在外部形态特征、生物量方面,三种基质的海滨雀稗无显著性差异。在坪用性状方面,三种基质的海滨雀稗草坪质量评价均为优秀,表明两种山砂作高尔夫球道草坪基质不会影响草坪质量,其中山砂1号含泥量较低,更适合作高尔夫球道用砂。
[Abstract]:In order to explore whether mountain sand can be used as golf course fairway sand in order to reduce the construction cost of golf course, this study uses Shansha 1 and Shansha 2, which are widely distributed in Changsha City, as the research materials, and takes river sand as control. According to the standard of USGA fairway sand, the physical and chemical properties of the sand and the comprehensive evaluation of the characters used as the substrate for the establishment of golf course lawn were evaluated, and the following results were obtained: 1. The results of physical properties test show that the fineness modulus of Shansha 1 and Shansha 2 are 3.2 and 3.1 respectively, which belong to coarse sand, and the coarse grain content of mountain sand is more than that of river sand, and the fineness modulus of river sand is only 2.6, which belongs to middle sand. The apparent density and accumulation density of the two kinds of sand are smaller than that of the river sand. The porosity of mountain sand is higher than that of river sand, but its sediment content is higher than that of river sand. Therefore, at the depth of 30cm, the permeability of river sand is slightly higher than that of mountain sand. The sand standard of 30cm requires a permeability of 15 cm / h and porosity (35 -55%). The permeability and porosity of the three kinds of sand are all in line with the standard. The specific gravity of 0.25-1.0mm diameter sand in the two kinds of sand is 35.6 for Shan Sand No. 1 and 40.7for Shansha No. 2, which is difficult to reach the standard for USGA fairway sand which accounts for more than 60% of the total amount. The sand standard for USGA fairway can be reached by crushing, sifting or washing. From the comparison of the whole physical properties, the two kinds of mountain sand and river sand are different, but the effect is not significant. The results showed that the pH values of Shansha 1, Shansha 2 and river sand were 5.71 and 6.6, respectively, which were within the range of pH value (5.5N 7.0) of micro-acid neutral soil suitable for most turf grass species. The EC25 values of Shansha 1, Shansha 2 and river sand are 1.03 mS/cm,1.1 mS/cm and 0.56 Ms / cm, respectively. The EC values of the two kinds of sand are not different, but are nearly twice as large as that of river sand. The water soluble salt contents of Shansha 1, Shansha 2 and river sand are 0.04% and 0.01%, respectively. Both kinds of sand are higher than river sand. When the water-soluble salt content of the soil was 0.2-0.3, it would not adversely affect the growth of the lawn, and the water-soluble salt contents of the two kinds of sand and river sand were not above the standard. Therefore, in terms of chemical properties, the two kinds of mountain sand meet the requirements of use. 3. Using Shansha 1, Shansha 2 and River Sand as the substrate, and referring to the USGA fairway construction standard, the seashore paspalum (aspalum vaginatum cv.) was grown. The results of Sea Spray), showed that the turfgrass of seashore paspalum in river sand substrate was faster than that of sand as substrate, the green period was a little longer and the green period was a little longer, but it had no effect on heading, flowering and seed setting, and the two kinds of sand had the same performance in the growth period. There was no significant difference in the external morphological characteristics and biomass of seashore paspalum among the three substrates. In the field of turf characters, the quality evaluation of seashore paspalum grass with three kinds of substrates was excellent, which indicated that the two kinds of sand could not affect the lawn quality of golf course, and Zhongshan sand No. 1 had lower mud content, so it was more suitable for golf course sand.
【学位授予单位】：湖南农业大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：S688.4
本文编号：2217931
[Abstract]:In order to explore whether mountain sand can be used as golf course fairway sand in order to reduce the construction cost of golf course, this study uses Shansha 1 and Shansha 2, which are widely distributed in Changsha City, as the research materials, and takes river sand as control. According to the standard of USGA fairway sand, the physical and chemical properties of the sand and the comprehensive evaluation of the characters used as the substrate for the establishment of golf course lawn were evaluated, and the following results were obtained: 1. The results of physical properties test show that the fineness modulus of Shansha 1 and Shansha 2 are 3.2 and 3.1 respectively, which belong to coarse sand, and the coarse grain content of mountain sand is more than that of river sand, and the fineness modulus of river sand is only 2.6, which belongs to middle sand. The apparent density and accumulation density of the two kinds of sand are smaller than that of the river sand. The porosity of mountain sand is higher than that of river sand, but its sediment content is higher than that of river sand. Therefore, at the depth of 30cm, the permeability of river sand is slightly higher than that of mountain sand. The sand standard of 30cm requires a permeability of 15 cm / h and porosity (35 -55%). The permeability and porosity of the three kinds of sand are all in line with the standard. The specific gravity of 0.25-1.0mm diameter sand in the two kinds of sand is 35.6 for Shan Sand No. 1 and 40.7for Shansha No. 2, which is difficult to reach the standard for USGA fairway sand which accounts for more than 60% of the total amount. The sand standard for USGA fairway can be reached by crushing, sifting or washing. From the comparison of the whole physical properties, the two kinds of mountain sand and river sand are different, but the effect is not significant. The results showed that the pH values of Shansha 1, Shansha 2 and river sand were 5.71 and 6.6, respectively, which were within the range of pH value (5.5N 7.0) of micro-acid neutral soil suitable for most turf grass species. The EC25 values of Shansha 1, Shansha 2 and river sand are 1.03 mS/cm,1.1 mS/cm and 0.56 Ms / cm, respectively. The EC values of the two kinds of sand are not different, but are nearly twice as large as that of river sand. The water soluble salt contents of Shansha 1, Shansha 2 and river sand are 0.04% and 0.01%, respectively. Both kinds of sand are higher than river sand. When the water-soluble salt content of the soil was 0.2-0.3, it would not adversely affect the growth of the lawn, and the water-soluble salt contents of the two kinds of sand and river sand were not above the standard. Therefore, in terms of chemical properties, the two kinds of mountain sand meet the requirements of use. 3. Using Shansha 1, Shansha 2 and River Sand as the substrate, and referring to the USGA fairway construction standard, the seashore paspalum (aspalum vaginatum cv.) was grown. The results of Sea Spray), showed that the turfgrass of seashore paspalum in river sand substrate was faster than that of sand as substrate, the green period was a little longer and the green period was a little longer, but it had no effect on heading, flowering and seed setting, and the two kinds of sand had the same performance in the growth period. There was no significant difference in the external morphological characteristics and biomass of seashore paspalum among the three substrates. In the field of turf characters, the quality evaluation of seashore paspalum grass with three kinds of substrates was excellent, which indicated that the two kinds of sand could not affect the lawn quality of golf course, and Zhongshan sand No. 1 had lower mud content, so it was more suitable for golf course sand.
【学位授予单位】：湖南农业大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：S688.4
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