Xanthoceras sorbifolia seedling breeding technology and afforestation technical project issued by Provincial Forestry Bureau,this article describes breeding and afforestation technology of Xanthoceras sorbifolia.
the status quo of greening construction were stated in countryside Qinghai.The results showed there were some problems during developing greening construction in countryside.And improved countermeasures and suggestings were suggested for improvement greening construction in countryside.
Growth law and live characters of lilac were known according to phonological observation of lilac species in Xining.Scientific base was provided for 1ilac species breeding select.At same time,the base was established for gardens application and city greening construction.
Clove culture species,its names and classification principle were stated according to culture species and development status of clove in Xining.Clove culture species,culture history,distribute of original species and their originate were approached in Xining to guide introduction,domesticate and extension.
It is important significance to construct Xining become gardens city because it is astrategic passage between Xining and Qinghai-Xizang plateau according from the climate characters of not cold in winter and not hot in summer,there are advance conditions to build green Xining gardens city.Some problems were analyzed from the dates of achievements had been made.Improvement measures were suggested for construction green gardens Xining city.
Measures of perfect trees alee-tress construction were suggested according to analyze conditions and problems of alee-trees in cities and towns of Qinghai.
Needs,greening designs,greening under construction and managements of high grade highway construction were offered from the points of high grade highway construction importance meanings.Some measures of construction high grade highway were suggested for its development.
Definition and form of geologic relic as well as current situations of geologic relic resources in Qinghai province were reviewed respectively in this paper.Furthermore,some related measures and strategies in the future protection,exploration and usage of geologic relic resources were proposed.
New forestation land were cultured treatment with loosening earth,controling weed ,limbing and pruning on shallow mountain forestation land of Xishan Forestry Center Xining.The results showed rate of survival,reserving rate and their growth would be increased by cultural treatment et al measure.
