论文部分内容阅读
随着城市绿化需求的提高,许多地方正在探索常绿草坪的建植和管理。而目前单一草种绿叶期较长的中华苔草等,绿叶期也只有250天左右,且只适于部分区域种植。我国大部分地区春夏季温暖湿润,秋冬干旱,因而春夏季绿草种类较丰富,绿化效果也不错,但到秋冬季常满目枯黄。引种冷季型草种如高羊茅、多年生黑麦草等以后,虽能在冬季带来一片葱绿,但在盛夏时节又因休眠而枯黄。
With the increasing demand for urban greening, many places are exploring the construction and management of evergreen turf. At present, a single species of Carex lasiocephala with a longer green leaf period has a green leaf period of only about 250 days and is only suitable for planting in some areas. Most of China’s spring and summer warm and humid, autumn and winter drought, so the spring and summer types of green grass rich, greening effect is not bad, but usually fall and winter withered yellow. The introduction of cold-season grasses such as tall fescue, perennial ryegrass, etc., although in the winter to bring a lush, but in midsummer because of hibernation and yellowing.