| Taking some typical sections of XiBao highway as research objects,this thesis investigates and analyzes the nursing engineering of highway slope and planting pattern,including slope plant selection and its growth conditions; plant collocation mode; Ecological slope protection technology and landscape design, etc.; This thesis also summarizes regional climate, topography, natural plant, on the basis of concise out the successful experience of green XiBao highway slope protection, puts forward some Suggestions of the future highway side slope care, for the highway side slope care provide the basis for sustainable development,The main conclusions are as follows:(1) XiBao care on both sides of the highway slope using spray sowing and seeding afforestation six types, choose suitable for shallow and deep local roots plants collocation, pay attention to the recent and long-term, three-dimensional multi-level plant ecological slope protection ways consistent with the local habitat conditions; Late monitoring shows that all kinds of different types and patterns of plant growth, community stability and ecological benefit.(1)the choice is suitable for the local shallow, deep root plants with planting, pay attention to the near future and long-term, three-dimensional multi-level vegetation slope ecological protection mode and the site conditions in Shaanxi area;(2) the sample investigation showed that ordinary spray seeding, large room and planting grass slope protection types of slope greening effect is good, high community coverage, grass, irrigation, cane, can rapidly form a good landscape effect; Level trench site preparation, hole digging soil preparation after seeding planting bringing and vaulted skeleton slope, plant growth is poorer, slope community coverage is low, the phenomenon of alopecia areata, view effect is poorer. Earthwork chamber and arch skeleton slope soil erosion resistance strong, ordinary spray seeding and planting grass slope protection to soil erosion resistance of The Times, hole digging and planting grass level trench planting sketches to slope soil erosion resistance of the worst.(3) in the process of plant restoration, plant community composition change in the number of genera, plants, genera and species showed increasing trend. Species by the initial 3 families, 6 to 5 families and 13 species, species went through a process from simple to the change of the rich. Six types of plant growth, community coverage increased rapidly in the 5- August, August after falling; Ordinary spray seeding, large room and planting grass slope protection types of biomass is higher, level trench above ground biomass and other protective type gap is larger; Road surface temperature than the plant surface temperature and soil surface temperature is much larger, and similar plant surface temperature and soil surface temperature; Generally, the cost of the ecological slope protection engineering slope protection that are lower than 25% 35%.(4) XiBao highway slope ecological protection in accordance with local natural environment characteristics; Landscape construction of highway slope is pay attention to tree species selection and plant configuration mode, adjust measures to local conditions, the regional cultural characteristics; Realize the harmonious unification between landscape and the natural environment.(5) the future XiBao on both sides of highway greening is the main task of the plant protection: to strengthen the management, patrol once a month; Section to carry out the management responsibility, clear to the people; To begin to strengthen pruning, beautify the tree; 5- drought persists for more than 70 days in September should be timely watering; Pay attention to the prevention and control of plant diseases and insect pests, leaf infection rate of more than 20% per plant diseases and insect pests, stem pests, decay and quarantine disease prevention and control of pests to timely, found that infected individuals immediately remove. |
PDF Full Text Request