论文部分内容阅读
(一)草的重要性自然界中主要由禾本科及双子叶草本植物形成的各种天然草地((Grass Land),在某些意义上与园林中的草地或草坪(Turf)有其相似之处。自然界各种类型的草地主要受自然条件的制约而形成和演替,而园林中草坪的组成和结构除受自然生境条件的限制外,主要是按人类的意志培植所形成的,是人类劳动的产品。中国天然草地的植被组成中,牧草种类约在15,000种以上,其中禾本科(Graminae)草是最重要的成分,在植被组成中占有优势地位,形成各种天然草地类型。禾本科草在园林
(I) The Importance of Grass The various natural grasslands (Grass Lands) in nature, which are mainly composed of grasses and dicotyledons, have in some sense similarities with grass or turf in gardens In nature, various types of grassland are mainly formed and inherited under the restriction of natural conditions, and the composition and structure of the lawn in gardens are mainly formed by the cultivation of human will except human nature, Of China’s natural grassland, the pasture species is more than 15,000 in China’s natural grassland, of which graminae is the most important component and occupies the dominant position in the vegetation composition and forms various natural grassland types. In the garden