Restoring method for plateau reservoir hydro fluctuation belt through Knotgrass
A technology of paspalum bitacium and water-fluctuation zone, which is applied in the restoration of reservoir water-fluctuation zone by using bispalum paspalum, and the field of reservoir water-fluctuation zone restoration, which can solve the lack of ecological restoration technology of reservoir Difficult selection of plants for ecological restoration, difficulty in finding plants, etc., to achieve good revetment and landscape value, high transplanting survival rate, and full use of resources
Active Publication Date: 2015-12-09
GUIZHOU NORMAL UNIVERSITY
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Problems solved by technology
[0010] 1) There is a lack of ecological restoration technology in the water-fluctuation zone of the reservoir;
[0011] 2) It is difficult to select plants for ecological restoration in the water-fluctuation zone of the reservoir. It is difficult to find plants suitable for the water-fluctuation zone of the reservoir. It has a certain effect on the landscape ecology and soil erosion in the water-fluctuating zone of the reservoir
Moreover, there are still relatively few studies on the use of phytoremediation in the hydrofluctuation zone of plateau reservoirs.
Method used
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Embodiment Construction
[0073] 1. Test the adaptability of paspalum bitacrum to the water-flooding environment in the water-fluctuating zone through indoor and outdoor simulated flooding experiments
[0074] 1. Long-term flooding experiment of paspalum bitacica in winter
[0075] 1.1 Experimental method
[0076] Place the cultivated paspalum biscarpa in a plastic bucket with a diameter of 62 cm and a height of 82 cm filled with clear water, and the top of the paspalum biscarina is 0.3 m above the water surface;
[0077] Beginning in October, a 180d-long complete flooding experiment was carried out, and the plants without flooding were used as controls, and the plant height, The total number of leaves and the total leaf length are measured, and then the biomass is measured, the living roots are taken to measure the root activity, and the surviving stems are randomly selected to measure the MDA content; then the dried roots are taken out, crushed, and their solubility Total sugar and starch content; ...
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The invention discloses a restoring method for a plateau reservoir hydro fluctuation belt through Knotgrass. Indoor and outdoor flooding simulation experiments for the Knotgrass are conducted to detect adaptability of the Knotgrass to the hydro fluctuation belt flooding environment; the Knotgrass is determined to still live after long time flooding; then the Knotgrass is introduced to the plateau reservoir hydro fluctuation belt; and after successful introduction, daily fertilizer and water management is conducted to the Knotgrass. The Knotgrass suitable for the plateau reservoir hydro fluctuation belt is found via systematical research; the Knotgrass is suitable for long term flooding of the plateau reservoir and can grow in the living environment exposed to the outside after flooding; certain biomass is achieved; certain landscape value is realized; and a certain protection action is conducted to water and soil loss of the plateau reservoir hydro fluctuation belt. By the use of the cultivation method for the Knotgrass in the plateau reservoir hydro fluctuation belt, the Knotgrass possesses high transplantation survival rate; and the Knotgrass can healthily grow with high efficiency on the hydro fluctuation belt.
Description
technical field [0001] The invention relates to a method for repairing a water-fluctuating zone of a reservoir, in particular to a method for repairing the water-fluctuating zone of a reservoir by using paspalum bispinus, and belongs to the technical field of environmental protection. Background technique [0002] Two tassel paspalum (Paspalum distichu L.), a plant of the genus Paspalum in the Gramineae family. perennial. Stolons run horizontally, strong, up to 1m, upright part 20-40cm high, jointed pilose. Leaf sheaths shorter than internodes, ridged on back, pilose on margin or upper part; ligule 2-3mm long, glabrous; leaves lanceolate, 5-15cm long, 3-7mm wide, glabrous. Racemes 2 pairs, 2-6cm long; rachis 1.5-2mm wide. [0003] In the rice cultivation area, due to its humid growth environment, it is especially suitable for the growth of paspalum biscarpa, so it is a weed that endangers rice yield and needs to be pulled out regularly. But not all Paspalum bitachyta in ...
Claims
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IPC IPC(8): A01G1/00
Inventor 李秋华刘送平李小峰陈峰峰
Owner GUIZHOU NORMAL UNIVERSITY
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