Method for renovating damaged ecological system of hydro-fluctuation belt of reservoir and bank belt with cynodon dactylon
An ecosystem, bermudagrass technology, applied in the fields of botanical equipment and methods, applications, horticulture, etc., can solve the problems of eutrophication of lost water nearshore water, difficulty of new vegetation ecosystems, destruction of old plant ecosystems, etc. , to achieve the effect of improving water quality, beautifying river bank landscape, and good soil and water.
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Embodiment 1
[0027] In the drawdown area of a large reservoir in western my country, the experimental site covers an area of 0.4 hectares, close to the Yangtze River, and the land is relatively flat with a slope of 20-25°. The annual average temperature in this area is 17.1-19.5°C, the annual active accumulated temperature is 6500-7000°C, the annual precipitation is 1100mm, and the frost-free period is more than 320 days.
[0028] The Cynodon Dactylon established by cuttings and seed planting in the previous year was used as a backup species bank for the reconstruction of the ecological environment of the water-fluctuation zone of the reservoir. Simultaneously, 20 kilograms of bermudagrass (Cynodon Dactylon) seeds are purchased in the market (Shanghai Tiancheng Grass Industry Company).
[0029] Then choose April to carry out connected concrete slab revetment at the part near the water surface of 1-3 meters, place cultivated plant modules directly in the gap between stones or concrete o...
Embodiment 2
[0032] In the riparian zone of a large river in southern my country, the experimental site covers an area of 0.1 hectares. It is close to the Yangtze River. The land is relatively flat with a slope of 20-25°. The annual average temperature in this area is 12.1-17.5°C, the annual active accumulated temperature is 5500-7100°C, the annual precipitation is 1000mm, and the frost-free period is more than 310 days.
[0033] Bermudagrass (Cynodon Dactylon) is used for the reconstruction of the ecological environment of the riparian zone. The method is: use the spare species bank established by cutting and seed planting in the previous year, and buy (Shanghai Tiancheng Grass Industry Company) Bermudagrass (Cynodon Dactylon) at the same time. 20 kg of seeds; from February to March, at 1-3 meters near the water, carry out connected concrete block revetment, place cultivated plant modules directly in the gap between stones or concrete or transplant living bermudagrass plants with soil, o...
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