CN103193323A - Method for ecologically remedying water by utilizing aizoon stonecrop - Google Patents
Method for ecologically remedying water by utilizing aizoon stonecrop Download PDFInfo
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- CN103193323A CN103193323A CN2013101372990A CN201310137299A CN103193323A CN 103193323 A CN103193323 A CN 103193323A CN 2013101372990 A CN2013101372990 A CN 2013101372990A CN 201310137299 A CN201310137299 A CN 201310137299A CN 103193323 A CN103193323 A CN 103193323A
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- Y02A20/402—River restoration
Abstract
The invention discloses a method for ecologically remedying water by utilizing aizoon stonecrop. The method particularly comprises the following steps: planting aizoon stonecrop on an ecological floating bed; and placing into water to be remedied so as to ecologically remedy the water to be remedied. Nutrient substances such as nitrogen and phosphorus in culture water are absorbed by the aizoon stonecrop, so eutrophication of the water is avoided and the nitrogen content and the phosphorus content of the culture water are reduced; and economic benefit is obtained by harvesting and selling the aizoon stonecrop periodically. By the method, the problem that the culture water is deteriorated can be effectively solved and the culture ecological environment is recovered. Harmony and unity of environmental benefit and economic benefit are realized by harvesting the aizoon stonecrop to serve as a medicine material and high-economic-value vegetable.
Description
Technical field
The present invention relates to the method that a kind of water ecology is repaired, particularly a kind of method of utilizing aizoon stonecrop aquaculture system to be carried out the water ecology reparation.
Background technology
China is an aquaculture big country, and the aquaculture product output of China in 2006 reaches 3.6 * 10
7T accounts for 70% of Gross World Product.Owing to be limited by limited water resource, aquaculture model mostly is high-density breeding, aquatic animal breeding density height, the abundance of food of throwing something and feeding is big, very easily accumulates organism such as a large amount of residual baits, movement, dead residual body in the aquaculture water, cause total nitrogen in the aquaculture water, total phosphorus, ammonia nitrogen and nitrite equal size to exceed standard, harmful germ grows in a large number, and the physique of cultivated animals descends, and anti-stress ability is poor, finally may cause the big area outburst of aquatic animal disease, cause the tremendous economic loss.Changing water is the most effective and direct method that high-density breeding solves water quality deterioration, but the direct discharging of breeding wastewater can cause the pollution of surrounding enviroment, and China's water resources is poor relatively, cleans the undersupply at water source in a large number.Therefore, the major issue that adopts effective, safe method regulation and control and purifying aquatic water water quality to become the culture fishery Sustainable development.
At present, aquaculture system regulation and control and purifying method mainly contain three kinds of physics method, chemical method and biological processes.What use always in the physics method is directly to change water, this method instant effect, but water resource waste is serious, and surrounding enviroment are polluted in institute's effluent meeting.Chemical process is utilized reactions such as chemical agent and pollutent generation oxidation, reduction, precipitation, polymerization, pollutent is separated or Degradation and Transformation becomes nontoxic, harmless chemical form from water body, but the expense height of chemical Treatment easily causes secondary pollution.Biological process is to utilize microorganism, plant, animal etc., with the contaminant degradation in the water body, be converted into other innoxious substances.With respect to other recovery techniques, biological process meets the viewpoint of ecology and Sustainable development, have expense low, handle simple to operate and advantages such as security height, be big, an eco-friendly treatment technology of development potentiality.Wherein, artificial ecology floating bed technology was widely applied in aquaculture system is regulated and control in recent years owing to have good purification, simple to operate, advantage such as landscape effect is good.The selection of floating bed waterplant must have characteristics such as enhanced water resistance, high water purification ability, ease for operation concurrently as the core of this technology.
Aizoon stonecrop is perennial Crassulaceae Sedum perennial herb, another name Herba Senecionis Chrysanthemoidis, Radix Notoginseng, blood mountain grass, pouring in June, Sedum spectabile Boreau, Gynura japonica, careless pseudo-ginseng, Radix Gynurae, take dish, Shi Cailan, nine lotus flowers etc., ancient times name nourishing the heart to keep a sound mind grass, HUISHENGCAO, Tender Catchweed Bedstraw Herb, HUOXUECAO, invaluable.Stem is upright, branch not, and high 30～80cm, single give birth to or the number stems are grown thickly, single leaf alternate, blade matter is thick, falls lanceolar.But the northern and equal well-grown in each province, the Yangtze valley in China.Aizoon stonecrop is of many uses, both can be used in gardens flower bed, flower border, quilt, good edibleness is arranged again, be a kind of health-care vegetable, still rare traditional Chinese medicine simultaneously, herb is medicinal, and very high pharmaceutical use is arranged.Aizoon stonecrop is eaten the position raw and contains multiple components such as protein, carbohydrate, fat, robust fibre, carotene, VITMAIN B1, Wei ShengsuB2, vitamins C, calcium, phosphorus, iron, agent pier tartaric acid, Sitosterol, alkaloid, sedoheptulose, flavonoid, organic acid, no bitter taste, mouthfeel is good, can fry, can stew, can burn soup, can be cold and dressed with sauce etc., be one delicious food on the dining table, normal food can strengthen body immunity, and good food therapy health effect is arranged.Its pharmaceutical use is also very high, but the auxiliary heart and brain consume of controlling is arranged, coronary heart disease, stenocardia, hyperlipidemia, the hypertension effect, also has clearing away the heart fire and tranquillizing, vessel softening, nourishing and strengthening vital, moistening lung, coagulate the flat liver of the heart, clearing heat and detoxicating, hemostasia and dissipation blood stasis, invigorate blood circulation, anti-inflammatory, functions such as analgesia, " Chinese edible wild herbs are develop and useedd " 128 pages, 1746 pages of " Chinese medicine voluminous dictionary " volume two, 2381 pages, 2752 pages, " 224 pages of the clinical handbook of modern Chinese herbal medicine, " rare Chinese medicine spectrum " 365 pages, " herbal medicine figure is originally " 460 pages, all be documented and describe in the data such as " antitumor herbal medicine primary colors collection of illustrative plates " 175 pages.
Summary of the invention
The purpose of this invention is to provide a kind of method of utilizing aizoon stonecrop to carry out the water ecology reparation.This method mainly be at nitrogen and phosphorus content in the water body in the present aquaculture process exceed standard, the serious problems of water quality deterioration, a kind of operability height of proposition, the waterplant control technique that detergent power is strong, economic worth is high.
Provided by the present inventionly utilize aizoon stonecrop to carry out the method that water ecology is repaired, specifically can comprise the steps: aizoon stonecrop is planted on biological floating bed, place water body to be repaired, thereby realize the restoration of the ecosystem to described water body to be repaired.
In described method, the described biological floating bed 20-40% that accounts for described coverage of water to be repaired is as 20%, 30% or 40%.
In described method, planting in the spacing in the rows of described described aizoon stonecrop on biological floating bed is 8～15cm, as 10cm.
In described method, the height of seedling that described aizoon stonecrop is planted when described biological floating bed go up is 10-15cm.
In described method, described aizoon stonecrop is planted when described biological floating bed go up, the plant root is immersed in the water, cauline leaf expose to described biological floating bed on.
Concrete, treat that cultivating pool temperature is more than 10 ℃, when the aizoon stonecrop seed highly reaches 10～15cm, choosing robust plant, well-grown, uniform seed transplants, earth culture seedling and water planting seedling all can, the earth culture seedling needs its bottom sediment is cleaned up, cuttage is on plantation carrier (biological floating bed), the plant root is immersed in the water, and cauline leaf exposes on the carrier (described biological floating bed).
In described method, described biological floating bed can be by any or several the making in the following material: polystyrene foam plate, pvc pipe and bamboo pole.In one embodiment of the present of invention (experiment of laboratory water purification), described biological floating bed specifically be to make with polystyrene foam plate; In an alternative embodiment of the invention (experiment of cultivating pool chamber water purification), described biological floating bed specifically be to make with pvc pipe.
In described method, the pore size of described implantation hole on biological floating bed is 2～4cm, and is can be in the hole easily movable but do not fall down floating bed to transplant plant.
In described method, described water body to be repaired can be eutrophication water.
Described eutrophication water is compared with the water body before the eutrophication, and the nitrogen and phosphorus content in the water body obviously increases, so that water body is produced pollution.
In one embodiment of the invention, described water body to be repaired is specially aquaculture system.
Described water body to be repaired is after method provided by the present invention is carried out restoration of the ecosystem, and the nitrogen and phosphorus content in the water body obviously reduces.
In the present invention, more than all described nitrogen all can be total nitrogen (nitrogen element), also all can be ammonia-state nitrogen or nitrite nitrogen; More than all described phosphorus all can be total phosphorus (phosphoric).
Described method also comprises regularly the step of gathering in described described aizoon stonecrop on biological floating bed planting.
In described method, the frequency of described harvesting is for when planting described aizoon stonecrop in described biological floating bed go up, treat that the plant root growing state is good after transplanting first, the plant plant height grows to can begin harvesting more than the 20cm, and rule of thumb harvesting in per approximately 45 days once.The plant position of the described aizoon stonecrop of described harvesting is lignifying part not on the stem.
The present invention adopts high economic worth waterplant aizoon stonecrop that aquaculture water water quality is purified, by nutritive substances such as the nitrogen in the aizoon stonecrop absorption aquaculture water, phosphorus, the control body eutrophication, reduce nitrogen, phosphorus content in the aquaculture water, sell aizoon stonecrop by periodical reaping simultaneously and obtain economic benefit.As seen, the present invention can not only solve the aquaculture water deterioration problem effectively, recovers the breeding ecological environment, and can realize the harmony of environmental benefit and economic benefit by the harvesting aizoon stonecrop as medicinal material and high economic worth vegetables.
Description of drawings
Fig. 1 is biological floating bed.Wherein, A and B are the biological floating bed of polystyrene material; C is the biological floating bed of pvc pipe material; D is the biological floating bed of bamboo pole material.
Fig. 2 be total nitrogen in the water purification simulation test of aizoon stonecrop laboratory concentration over time.Wherein, the total nitrogen starting point concentration is 2.0mg/L among the A; The total nitrogen starting point concentration is 5.0mg/L among the B; The total nitrogen starting point concentration is 10.0mg/L among the C.
Fig. 3 be total phosphorus in the water purification simulation test of aizoon stonecrop laboratory concentration over time.Wherein, the total phosphorus starting point concentration is 0.2mg/L among the A; The total phosphorus starting point concentration is 0.4mg/L among the B; The total phosphorus starting point concentration is 0.8mg/L among the C.
Fig. 4 be ammonia nitrogen in the water purification simulation test of aizoon stonecrop laboratory concentration over time.Wherein, the ammonia nitrogen starting point concentration is 0.3mg/L among the A; The ammonia nitrogen starting point concentration is 0.5mg/L among the B; The ammonia nitrogen starting point concentration is 1.5mg/L among the C.
Embodiment
Employed experimental technique is ordinary method if no special instructions among the following embodiment.
Used material, reagent etc. if no special instructions, all can obtain from commercial channels among the following embodiment.
Aizoon stonecrop: Beijing flower beautiful faery's agricultural company limited, production code member: 114.1.
Biological floating bed bamboo pole, pvc pipe, the polyethylene foam sheets etc. selected for use are as carrier (as shown in Figure 1).Plantation is spaced apart 10cm, is advisable with lucky insertion test plant in the aperture.
Embodiment 1, aizoon stonecrop laboratory water purification simulation test
One, biological floating bed preparation
Select for use polyethylene foam sheet as biological floating bed carrier (shown in A among Fig. 1).Plantation is spaced apart 10cm, and the aperture is the circular hole of 2～4cm, and size is inserted test plant just.
Two, the plantation of aizoon stonecrop seedling on biological floating bed
Earth culture seedling or water planting seedling cuttage mode are adopted in the cultivation of aizoon stonecrop seedling, select the vigorous direct cottage breeding of plant branch.Treat that cultivating pool temperature is more than 10 ℃, when seed highly reaches 10～15cm, choose on biological floating bed in the step 1 of robust plant, well-grown, uniform seed and transplant, the earth culture seedling needs the careful water of its bottom sediment is cleaned up, with gum sprayed cotton parcel root, cuttage is on plantation carrier (biological floating bed), and spacing in the rows is 10cm, the plant root is immersed in the water, and cauline leaf exposes on the carrier.
Three, aizoon stonecrop laboratory water purification simulation test
1, the making of laboratory simulation water body
Add distilled water in cylinder, middle nitrogen, phosphorus and other nutritive element of adding made eutrophication simulation water body to be repaired again.According to " water environment quality standard GB3838-2002 " 3 different total nitrogens, total phosphorus and ammonia nitrogen concentration gradient are set, other nutritive substance concentration is according to Huo Gelan nutrient solution formulated (table 1).
Each nutritive substance concentration unit: mg/L of table 1 simulation water body
2, Shi Yan grouping setting
According to the concentration gradient of above-mentioned nitrogen and phosphoric setting, be divided into three and organize (low concentration group, middle concentration group and high density group) greatly, each concentration gradient is one group.Each concentration gradient establish again 2 groups parallel, test group and a control group (the independent cylinder of every group).Place in the test group cylinder and readyly in the step 2 planted the biological floating bed of aizoon stonecrop, biological floating bed area accounts for 30% of coverage of water.Place identical polyethylene foam sheet, not kind of plant in the control group cylinder.Test duration 42 days, water temperature maintains 16～18 ℃, in the process of the test every day aeration 2h, adopt plant growth lamp to carry out light filling, light application time is 8h, regularly adds distilled water weekly and replenishes drain evaporation.Observe aizoon stonecrop plant strain growth state on the one hand weekly, monitor total phosphorus in the water body, total nitrogen and ammonia nitrogen content weekly on the other hand when the experiment beginning, measuring method is according to " water and effluent monitoring analytical procedure (the 4th edition) ".Experiment repeats 3 times, results averaged.
3, result
(1) aizoon stonecrop growth conditions
The result shows, in entire test, the aizoon stonecrop normal growth, every strain plant has young leaves to send, blade increases, plant grows tall, and the root growth of plant is good, all grows new root after transplanting a week, prolongation along with the plantation time, its plant all has significantly and increases, one week the back speed of growth accelerate, average growth velocity is 1.13 ± 0.24cm/ days.Root system of plant length increases than having more significantly before testing under three concentration gradients, and mean length speed reaches 0.294 ± 0.018cm/ days (table 2).Observe and find, the root hair on its root system is abundant, and the main root hair is sturdy, and the supporting root capillary is close long.Root system of plant is the important channel of plant purification eutrophication water to absorption and the adsorption of pollutent, its root system position can provide a good pollutent absorption to transform the interface, and huge root system of plant provides good habitat for microorganism, therefore can improve the purification efficiency to eutrophication water, its good root growth situation also is a high major reason of its detergent power.
Table 2 aizoon stonecrop growth conditions statistics
| ? | Low concentration group | Middle concentration group | The high density group | Mean+SD |
| Plant strain growth speed (cm/ days) | 0.86 | 1.21 | 1.33 | 1.13±0.24 |
| Root length speed (cm/ days) | 0.276 | 0.295 | 0.312 | 0.294±0.018 |
(2) water nutrition index determining
The concentration of total nitrogen, total phosphorus and ammonia nitrogen situation such as Fig. 2～shown in Figure 4 over time in the water purification simulation test of aizoon stonecrop laboratory.As seen from the figure, aizoon stonecrop all has removal effect preferably to total nitrogen, total phosphorus and ammonia nitrogen.(C under three concentration
0=2,5,10mg/L) the clean clearance of total nitrogen is respectively 50.3%, 85.2% and 56.9%, average out to 64.1%, showing as increases receptivity with starting point concentration and increases afterwards earlier and reduce, starting point concentration during for 5mg/L the removal ability the strongest, when 28d, reach maximum absorption (Fig. 2) substantially.(C under three concentration
0=0.2,0.4,0.8mg/L) the clean clearance of total phosphorus is respectively 40.0%, 67.1% and 47.7%, average out to 51.6%, three concentration all show as with first the increasing afterwards of starting point concentration increase receptivity and reduce, when 21d, reach maximum absorption when starting point concentration is 0.4mg/L, when 42d, do not reach maximum absorption (Fig. 3) yet under all the other two starting point concentrations.(C under three concentration
0=0.3,0.5,1.5mg/L) the clean clearance of ammonia nitrogen is respectively 34.6%, 46.6% and 47.3%, average out to 42.8%, and showing as with starting point concentration increase receptivity increases (Fig. 4) gradually.Relatively there is not considerable change when total nitrogen and total phosphorous and experiment were initial in the control group when experiment finished; Ammonia-nitrogen content is tested and is slightly reduced (on average descending 11.3%) when initial, this may be since in ammonia nitrogen and the water body nitrogen that is converted into other forms that reacts such as dissolved oxygen cause, but its content is far above ammonia-nitrogen content in each experimental group.Above-mentioned data show, aizoon stonecrop is biological floating bed can well absorb in the water body total nitrogen, total phosphorus and ammonia nitrogen, its concentration is reduced.The clearance result that total nitrogen, total phosphorus and ammonia nitrogen calculated in the water body when table 3 finished for testing according to 42d.
Table 3 aizoon stonecrop laboratory water purification analog reslt
| ? | Low concentration group | Middle concentration group | The high density group | Mean+SD |
| The clean clearance of total nitrogen (%) | 50.3 | 85.2 | 56.9 | 64.1±18.5 |
| The clean clearance of total phosphorus (%) | 40.0 | 67.1 | 47.7 | 51.6±13.9 |
| The clean clearance of ammonia nitrogen (%) | 34.6 | 46.6 | 47.3 | 42.8±7.14 |
Annotate: value before clearance=(value before the experiment-experiment back measured value)/experiment.
Embodiment 2, the test of cultivating pool aizoon stonecrop water purification
One, biological floating bed preparation
Select for use pvc pipe as biological floating bed carrier, pvc pipe combination grown up 3 meters, wide 0.8 meter grid, and pvc pipe with the every 10cm of antirust wiring place fixedly 25mm PVC prop up adapter as the plant growing hole, shown in C among Fig. 1.
Two, the plantation of aizoon stonecrop seedling on biological floating bed
Earth culture seedling or water planting seedling cuttage mode are adopted in the cultivation of aizoon stonecrop seedling, select the vigorous direct cottage breeding of plant branch.Treat (to treat that cultivating pool temperature is more than 10 ℃ when seed highly reaches 10～15cm,), choose on biological floating bed in the step 1 of robust plant, well-grown, uniform seed and transplant, the earth culture seedling needs the careful water of its bottom sediment is cleaned up, with gum sprayed cotton parcel root, cuttage is on biological floating bed, and spacing in the rows is 10cm, the plant root is immersed in the water, and cauline leaf exposes on the carrier.
Three, cultivating pool aizoon stonecrop water purification test
1, experiment grouping and detection index
(1) experiment grouping
The test fishing ground is the hydrostatic aquaculture model, and main foster kind is sturgeon, and each pond area is 0.36 mu, the about 1.5m of the depth of water.Choose 3 fishing grounds altogether, each fishing ground arranges a test pond and a contrast pond respectively.The test pond is placed and readyly in the step 2 have been planted the biological floating bed of aizoon stonecrop, and biological floating bed area accounts for 20%, 30% and 40% of the pond water surface total area separately respectively in the test pond in 3 fishing grounds.The empty floating bed carrier of not planting aizoon stonecrop with corresponding test pond homalographic is placed in the contrast pond.Tested five months by a definite date, from May to September.
(2) detect index
Duration of test on the one hand, is planted described aizoon stonecrop after described biological floating bed go up, and when the plant root growing state is good, the plant plant height grows to can begin harvesting more than the 20cm, rule of thumb gathered in once in per approximately 45 days.During harvesting on stem not lignifying part directly pinch to get and get final product.
The aizoon stonecrop that harvesting is obtained carries out edible safety and quality evaluation, and is specific as follows:
A. edible safety evaluation
Current China does not still have complete vegetables hygienic standard, has only listed the value of limiting the quantity of of vegetables and fruit in tens of kinds of material limit standards, mainly is 1) chemical element such as lead, mercury, chromium, cadmium, copper, arsenic, fluorine; 2) agricultural chemicals such as phenyl-hexachloride, DDT; 3) nitrite such as ammonium nitrate; 4) bacteriology such as intestinal bacteria, Salmonellas index etc.The chief editor's of China prevention academy of sciences " food sanitation national standard compilation " formulated in (1-5) have directive significance by force " analytical procedure of vegetable and fruit hygienic standard " (GB/T5009.38-1996), this method has proposed the evaluation of hygiene requirement from examination by sensory organs and agricultural chemicals, metal and physical and chemical inspection aspect such as nonmetal to vegetables.In four class evaluation indexes, because heavy metal is difficult for being eliminated by methods such as cleaning, the cookings in the vegetables, and mostly has stronger hazardness to human body, therefore enjoy attention.This research test item and method are specifically as shown in table 4.
Table 4 vegetables security test item and method
B. quality evaluation
Soluble sugar in the plant tissue comprises glucose, fructose and sucrose, and it is photosynthetic elementary product, again by its synthetic other compounds such as Mierocrystalline cellulose, fat etc.The neologism of plant, new organization all utilize carbohydrate to grow.Therefore, the mensuration of soluble sugar has very big meaning for the quality of identifying agricultural-food.Vitamins C is to keep the important organic compound of the indispensable class of body normal activities, and its major physiological function is the redox by self, in biological oxidation process as the carrier of hydrogen.Human body can not free synthesise vitamins C, must absorb from food, and fresh fruit and vegetables contain abundant vitamins C, so vitamins C is often as one of important indicator of identifying fruit-vegetable quality.The protein of needed by human body is mainly derived from animality and high-protein plant (beans etc.) group food, and the animal proteinum hyperabsorption is unfavorable for HUMAN HEALTH, and vegetable-protein is harmless to the human body beneficial.And Mierocrystalline cellulose is mainly derived from vegetables, and Mierocrystalline cellulose is conducive to enterogastric peristalsis, aid digestion, and plays an important role to keeping the blood sugar normal equilibrium.Therefore, the present inventor selects robust fibre, vitamins C and four kinds of component contents of crude protein as the leading indicator of estimating the aizoon stonecrop quality.Robust fibre is measured the ISO5489-1981 " the general measuring method of agricultural production food crude fiber content " that adopts international standards; Vitamins C is measured and is adopted GB/T6195-1986 " fruit, vegetables Vitamin C content assay method "; Crude protein is measured and is adopted GB/T8856-1988 " measuring method of fruit, vegetable products crude protein ".Simultaneously the aizoon stonecrop that produces with local land for growing field crops is as the contrast of quality evaluation.
On the other hand, detect indexs such as total phosphorus, total nitrogen, ammonia nitrogen, nitrite, permanganate indices every month to plant's water quality sampling, and the sampling time is selected in the vigorous stage of plant-growth, avoids the stage that plant has just been gathered in.The mensuration of every index is carried out according to " water and effluent monitoring analytical procedure (the 4th edition) " recommend method.In addition, the plant-growth of duration of test detail record, harvesting, plant change situations such as water, moisturizing, electricity consumption.
2, result
(1) aizoon stonecrop and breed sashimi (raw fish) long status
The result shows that in the test pond in 3 fishing grounds, the aizoon stonecrop of biological floating bed plantation all grows vigorous, does not have phenomenons such as the waste leaf of rotting; The cultured fishes of test pond institute are well-grown also, phenomenons such as fish disease, death do not occur because of the plantation aizoon stonecrop.
(2) water quality monitoring (WQM)
The result is as shown in table 5, and along with the growth gradually of aizoon stonecrop, absorbed nitrogen, phosphorus ability strengthen gradually, and ammonia nitrogen, nitrite nitrogen and permanganate indices are had tangible reduction effect.Along with the increase of floating bed fraction of coverage, the ability of plant absorbing total nitrogen, total phosphorus increases, and permanganate indices descends gradually.But the increase of plant floating bed fraction of coverage may influence daylighting, water body and the atmosphere exchange capacity of fish in the pond and trawlnet operation etc.Comprehensive above-mentioned reason, 30% plant floating bed fraction of coverage not only can effectively be removed nutritive elements such as total nitrogen in the water body, total phosphorus, and do not influence the oxygen exchange of water body and the illumination of fish etc., are proper.
Table 5 cultivating pool aizoon stonecrop water purification experimental result
(3) aizoon stonecrop edible safety and quality evaluation
The safety evaluation result is as shown in table 6, and by table as can be seen, the aizoon stonecrop product safety of harvesting is qualified, meets international standard and China's food hygienic standard.
Table 6 aizoon stonecrop security detected result
The quality evaluation result is as shown in table 7, and as can be seen from the table, each index of aizoon stonecrop is suitable with local land for growing field crops quality of agricultural product, no difference of science of statistics.
Table 7 aizoon stonecrop quality parameter detected result (in fresh weight)
(6) economic benefit is adjusted
To in the entire test, the waterside number is changed in test pond and contrast pond, the statistics of oxygenation time has been carried out the benefit accounting, and is as shown in table 8 during according to off-test.Statistics shows, the aizoon stonecrop of artificial bio-membrane's floating bed is in duration of test (5 months, every month was by 30 days), and mu increases benefit surplus in the of 1500 yuan every year on average.By plant the aizoon stonecrop of high decontamination effect improving in the pond, make the pond water quality environment improve, change the waterside number and reduce, change water and pay corresponding minimizing, reduced the electricity charge and water rate expenditure.Sell by the periodical reaping aizoon stonecrop simultaneously, also can obtain considerable economic, thereby make pond culture be able to the available fitness mode development of circulation.
The biological floating bed benefit that purifies water of table 8 aizoon stonecrop is adjusted (unit: unit/mu/year)
Claims (10)
1. utilize aizoon stonecrop to carry out the method that water ecology is repaired, comprise the steps: aizoon stonecrop is planted on biological floating bed, place water body to be repaired, thereby realize the restoration of the ecosystem to described water body to be repaired.
2. method according to claim 1 is characterized in that: the described biological floating bed 20-40% that accounts for described coverage of water to be repaired.
3. method according to claim 1 and 2 is characterized in that: in the described method, planting in the spacing in the rows of described described aizoon stonecrop on biological floating bed is 8～15cm.
4. according to arbitrary described method among the claim 1-3, it is characterized in that: in the described method, the height of seedling that described aizoon stonecrop is planted when described biological floating bed go up is 10-15cm.
5. according to arbitrary described method among the claim 1-4, it is characterized in that: in the described method, described aizoon stonecrop is planted when described biological floating bed go up, the plant root is immersed in the water, cauline leaf expose to described biological floating bed on.
6. according to arbitrary described method among the claim 1-5, it is characterized in that: described biological floating bed any or several making by in the following material: polystyrene foam plate, pvc pipe and bamboo pole.
7. according to arbitrary described method among the claim 1-6, it is characterized in that: described water body to be repaired is eutrophication water.
8. according to arbitrary described method among the claim 1-7, it is characterized in that: described water body to be repaired is aquaculture system.
9. according to arbitrary described method among the claim 1-8, it is characterized in that: described method also comprises regularly the step of gathering in described described aizoon stonecrop on biological floating bed planting.
10. method according to claim 9 is characterized in that: when described harvesting is grown to 20cm from described aizoon stonecrop plant plant height, the frequency of described harvesting be harvesting in per 45 days once.
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| CN104326565A (en) * | 2014-11-06 | 2015-02-04 | 高军侠 | Method for repairing zinc-contaminated water by use of aquatic plant water lily |
| CN111699929A (en) * | 2019-03-18 | 2020-09-25 | 北京林业大学 | Method for obtaining water supplementing condition for improving survival rate of submerged plants during water supplementing of water body and method for improving survival rate of submerged plants |
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| CN104326565B (en) * | 2014-11-06 | 2016-06-01 | 高军侠 | A kind of method utilizing waterplant water lily to repair zinc pollution water body |
| CN111699929A (en) * | 2019-03-18 | 2020-09-25 | 北京林业大学 | Method for obtaining water supplementing condition for improving survival rate of submerged plants during water supplementing of water body and method for improving survival rate of submerged plants |
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