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首页> 外文期刊>Journal of Turfgrass Management >The effect of rootzone composition on the playing quality of Festuca/Agrostis/Poa annua golf greens.
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The effect of rootzone composition on the playing quality of Festuca/Agrostis/Poa annua golf greens.

机译：根区组成对Festuca / Agrostis / Poa annua高尔夫果岭的比赛质量的影响。

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摘要

Playing characteristics were measured for 16 golf green rootzone mixes formed from combinations of 4 sand types and 4 mixing ratios of sand to sandy loam soil. At the start of the monitoring period, the turf (produced by sowing an 80:20 mixture of Festuca rubra subsp. commutata [F. nigrescens] cv. Frida and Agrostis castellana cv. Highland) was 2.5 years old and simulated golf-type wear was applied during the 18 months of the study. Green speed, measured as distance rolled by balls, was generally not influenced by rootzone type. However, the hardness of the surface was influenced by the amount and type of sand in the mix and soil moisture content. In wet conditions rootzones with a high sand content gave a firmer playing surface, but in dry conditions this situation was generally reversed. Rootzones constructed with finer sands tended to give a softer surface, especially in wet weather. Rootzones constructed from sands with a wider range of particle sizes generally gave a harder surface than whenuniform sands were used. Stopping distance of the ball fired into the turf at an angle of 53deg with backspin of 717 rad/s was also influenced by sand content, sand type, moisture content and pitchmark depth. Sand-dominated surfaces gave more consistent playing quality.
机译：测量了由4种砂类型和4种砂与砂质壤土的混合比例形成的16种高尔夫球果岭根部混合料的运动特性。在监测期开始时，草皮（通过播种Festa rubra commutata [F. nigrescens] cv。Frida和Agrostis castellana cv。Highland的80:20混合物制得）的年龄为2.5岁，并且模拟了高尔夫球磨损在研究的18个月中应用了。果岭速度以球滚动的距离来衡量，通常不受根区类型的影响。但是，表面硬度受混合物中沙粒的数量和类型以及土壤含水量的影响。在湿润的条件下，含沙量高的根部区域可提供较硬的运动表面，但在干燥的条件下，这种情况通常可以逆转。用细沙建造的根区倾向于使表面更柔软，尤其是在潮湿天气下。与使用均匀沙子相比，由粒径范围较广的沙子构造的根区通常会产生较硬的表面。砂球含量，砂子类型，水分含量和沥青深度也影响着以53度角向后旋转717 rad / s的角度向击球区射击的球的停止距离。沙子为主的表面提供了更一致的比赛质量。

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