CN102349434B - High-yield method for cultivating land mater convolvulus by floating on river water which enters lake - Google Patents
High-yield method for cultivating land mater convolvulus by floating on river water which enters lake Download PDFInfo
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Abstract
The invention relates to a high-yield method for cultivating land mater convolvulus by lake entering river water floating, belonging to the field of sewage pollution by taking plants as characteristics. The high-yield method has the technical scheme as follows: A. domesticating land mater convolvulus into aquatic mater convolvulus; B. transplanting; C. managing cultivation; and D. harvesting. With a seed seedling culture method, the seed of the land mater convolvulus is sown into the matrix of a floating disk; then, the floating disk is put into a domestication pool, and the land mater convolvulus is domesticated into aquatic mater convolvulus in about 20 days; lake entering river water floating is utilized to cultivate the domesticated mater convolvulus to lower the content of nutrients, such as nitrogen, phosphorus, potassium and the like in lake entering river water, thereby achieving the purpose of treating lake entering river water, and bringing better ecological benefit; and the mater convolvulus averagely grows for 2-3cm everyday in summer, yield is big so as to bring a better yield. The high-yield method is used for producing green vegetables or organic vegetables on a large scale, and has better economic benefit.
Description
Technical field
The present invention relates to utilize plant is the sewage treatment area of feature, particularly relates to a kind of method of utilizing the floating high-yield culturing Lu Sheng of lake inlet water water spinach.
Background technology
In the last thirty years, the runoff district agricultural production of many lakes is along with the adjustment of crop mix, and very large variation has occured for Crop Structure and layout, and the cereal crops sowing area reduces, and the vegetables area increases rapidly, strong promotion the fast development of regional rural economy.Vegetables are for cereal crops, it is the larger crop of a kind of fertilizer requirement, and cropping index is high, the fertilizer amount that causes like this land area of one unit to apply within the unit interval can increase greatly, add the unreasonable fertilising of peasant household, cause the soil nutrient Imbalance in weight, remaining nutrient increases, and Yi Suishui moves and in the inflow stream (ditch).There is many in trunk river in runoff district, lake, flow into the nutrient in trunk river except outside the Pass having with agricultural fertilizer, also be subjected to many-sided impacts the such as aquaculture, human lives's rubbish and plant residue, like this along with the arrival (rain drop erosion) in rainy season and the discharging of irrigation water, certainly will cause the nutrient content in the water of river (ditch) to increase, Water seeks its own level, and river (ditch) water namely flows in the lake, and lake water is caused water pollution (mainly being the eutrophication pollution of N, P nutrient).
Body eutrophication (eutrophication) refers under the impact of mankind's activity, the nutriment such as nitrogen, phosphorus enters the unhurried current water bodys such as lake, river mouth, bay in a large number, cause that algae and other planktons breed rapidly, the Dissolved Oxygen in Water amount descends, water quality deterioration, the phenomenon of fish and other biological mortality.Wawter bloom appears being called in this phenomenon in rivers and lakes, occur being called red tide in the ocean.
The comprehensive regulation mainly contains Physical, chemical method and bioanalysis to polluted-water at present, or the Integrated using of three major types method.(1) utilizes the Antimicrobial wawter bloom in its bioanalysis, (2) utilize animal ingestion wawter bloom algae, (3) transplant water plants control wawter bloom algae, controlling blue-green alga bloom with water plants is exactly to utilize the principle that counteracts each other between each biology, by the intensity that changes ambient light and the breeding that nutritional condition affects indirectly the wawter bloom algae, improve water transparency, plant and root-zone microorganism symbiosis, produce synergistic effect, purify water, directly absorb through plant again, microbial conversion, physical adsorption and settlement action are except denitrification, phosphorus and suspended particulate, the purpose that reaches control or kill some algae.Bioanalysis has higher selectivity except algae, can not exert an influence to non-wawter bloom biology, and method is simple, is suitable for the wawter bloom control of culture zone, the multiple district of wawter bloom and district occurred frequently, is a kind of extremely promising method of preventing and treating.Further organic matter, nitrogen and the phosphorus etc. of processing difficult degradation can cause the solubility inorganic matter of body eutrophication etc.Main method has the biological carbon and phosphorous removal method, coagulant sedimentation, sand filtration method, active carbon adsorption, ion-exchange and electroosmose process etc.
At present the transplanting water plants control wawter bloom algae used in administering of body eutrophication mainly is weter hyacinth and water plants, but weter hyacinth is because of its excessively fast passage, and wayward, value is lowly and substantially without economic benefit.Though other improvement method can obtain the benefit of certain ecology, input is large, substantially without economic benefit.
Water spinach, original name harmony dish, formal name used at school: vegetables are done in Ipomoea aquatica Forsk. various places extensively cultivation.Water spinach is divided into drought and gives birth to and aquatic two large classes.Drought is given birth to and is the seed water spinach, and in dry-land cultivation, the knot of blooming is many, safflower is arranged and spend two macrospecies in vain, spends seed water spinach quality better in vain, and output is high.The water water spinach is the rattan water spinach, multiple planting in the paddy field, and quality is better than seed water spinach, and vegetative period is long, and output is high, and it is very few to bloom, more difficult setting seeds, the climing breeding of stem commonly used.
Summary of the invention
The invention provides a kind of method of utilizing the floating high-yield culturing Lu Sheng of lake inlet water water spinach, can reduce the nutrient contents such as nitrogen in the lake inlet water, phosphorus, potassium, obtain reasonable ecological benefits, can be mass-produced again pollution-free vegetable or organic vegetable have good economic benefit.Concrete technical scheme of the present invention is as follows:
A. it is aquatic taming the Lu Sheng water spinach:
A. domestication pool adds nutrient solution, and the height of nutrient solution is 8～15cm; The requirement of nutrient solution is as follows: N content 80～120mg/L, P content 30～50mg/L, K content 20～30mg/L, Ca content 30～50mg/L, Mg content 15～30mg/L, B content 0.05～0.10mg/L, Zn content 0.10～0.15mg/L, Cu content 0.05～0.10mg/L, bactericide 70～90mg/L;
B. the matrix of packing into: the floating disc hole strikes off after filling matrix; Matrix by volume percentage is composed of the following components: the peat composed of rotten mosses 30～40%, humus soil 30～40%, perlite 15～25%, vermiculite 8～12%; Water supply in media content is 45～50% during sabot;
C. sowing: record and broadcast kind cave, the dark 0.4～0.6cm in cave; Every bunch planting enters 1～2 in Lu Sheng water spinach seed, after every dish has been sowed, strikes off matrix and covers seed, puts into domestication pool again;
D. domestication management: the growing environment temperature is controlled at 25～30 ℃, and general 4～5 days begin to sprout, and grow and carry out hardening after 15～17 days, hardening 2～3 days, plant height reaches 10～15cm, and domestication was finished when 5～7 tongue leaf was arranged; To note the control of insect in the domestication process;
B. transplant: cultivating pool water links to each other with the river that flows into the lake, and cultivating pool highly is that 50～60cm place has gap at Ba Geng, and unnecessary Chi Shui enters in the lake by gap; Floating planting device for aquatic vegetables is lined up parallel some row in cultivating pool, floating planting device for aquatic vegetables comprises floating cultivation bed, gag lever post and jockey, the floating cultivation bed is cystosepiment or the hollow plastic sheet of thick 1.5～2.5cm, have the field planting hole that the aperture is 1.2～2.0cm on the plate face, pitch of holes is 10～15cm; Gag lever post inserts in the water-bed what mud fixing along floating cultivation bed two opposite side, the floating cultivation bed is connected with jockey with gag lever post, and jockey can be free to slide along the gag lever post axis; To tame water spinach seedling or cuttage seeding and be fixed in the field planting hole, the root of domestication water spinach seedling or the most next joint of cuttage seeding will contact with Chi Shui;
C. cultivation management: stirred between two row floating planting device for aquatic vegetables with pushing net in per 3～4 days, and cleared up simultaneously water surface foreign matter;
D. harvesting: gather in when water spinach grows to 30～35cm, basal part of stem stays 4.0～6.0cm when gathering in for the first time, and basal part of stem stays 1.0～3.0cm when gathering in later on.
Described cuttage seeding be clip have apical growing point and with 3～4 tongue leaves or without the domestication Lu Sheng water spinach branch with 2～3 tongue leaves of apical growing point, require sheared edge to become an inclined-plane.
Described floating disc is 200 pass floating discs, 162 pass floating discs or the 150 pass floating discs that the extruded foam plastics are made.
Described bactericide is metalaxyl-mn-zn, thiophanate-methyl MnZn or metalaxyl one thiram wettable powder.
Described gag lever post is bamboo bar or rod.
Described jockey is rope sling or cuff.
Ecological Benefit Analysis
1. flow into water spinach plant N, P, the K content analysis of the river cultivation in lake
In rainy season, in the loke shore cultivating pool, install and fix facility, utilize the floating plantation of the river water spinach that flows into the lake, do not using any fertilizer and do not using under the condition of any agricultural chemicals, only utilize the nutrient in the river, just can impel the water spinach well developed root system, cauline leaf vigorous growth, be since water spinach to N, P, due to the absorptivity of the nutrients such as K is very strong, so water spinach biological yield higher (seeing Table 1), per season of cauline leaf fresh weight reaches 18,667 thousand g/acres (butt is 1773.4 thousand g/acres) by floating cultivation bed cultivated area, cauline leaf Absorbing Nutrients amount is large (seeing Table 1) also, the total N of cauline leaf (butt), P, K content reaches respectively 2.604%, 0.500%, 5.760%.Roll over per season every mu of water spinach to the absorptive amount of total N, P, K, by floating cultivation bed cultivated area, be respectively 46.18 kilograms, 8.87 kilograms, 102.15 kilograms (seeing Table 1), be equivalent to 100.4 kilograms in urea, 127.0 kilograms of general calcium, 246.4 kilograms of potassium sulphates; Account for 50% of water surface area by cultivated area, be respectively 23.09 kilograms, 4.44 kilograms, 51.08 kilograms (seeing Table 1), be equivalent to 50.2 kilograms in urea, 63.5 kilograms of general calcium, 123.2 kilograms of potassium sulphates.
Table 1 flows into water spinach cauline leaf N, P, the K content of the river cultivation in lake
2. floating plantation water spinach is to flowing into water-soluble N, P, the K content analysis of lake river
To rainy season, flow into the river in lake, water-soluble N, P, K content are very high, and by 30 monitorings to lake inlet water, water-soluble N is 4.03-32.89mg/L, average out to 13.35mg/L; Water-soluble P is 0.451-2.552mg/L, average out to 0.737mg/L; Water-soluble K is 9.11-29.29mg/L, average out to 17.93mg/L.
The floating plantation of table 2 water spinach is on cultivating the impact that lake inlet water nutrient changes in the bucket
Annotate: cultivating the bucket internal diameter is 0.5 meter, and dark 0.38 meter, area is 0.20 square metre; Inorganic N is water-soluble N, is NH4+ and NO3-sum.
Because the area in floating cultivation pond is larger, also needs often to be received into the lake river, analyze more accurately lake inlet water nutrient situation of change, is subjected to resist the impact of factor more, therefore adopt the floating implantation methods of cultivation bucket to carry out analysis of experiments.Result of the test shows, nutrient in the river in inflow lake is higher, the floating plantation water spinach crop of process is after 8 days, water-soluble N, P, K content in the lake inlet water significantly drop to 1.19mg/L, 0.006mg/L, 0.34mg/L by 14.84mg/L, the 0.434mg/L, the 20.32mg/L that do not plant before the water spinach respectively.Illustrate that water spinach is very strong to the absorptivity of the nutrients such as N, P, K in the water, absorptive amount is very large, can effectively reduce N, P, K nutrient content in the lake inlet water, to purifying lake inlet (ditch) glassware for drinking water significant effect is arranged.
Economic and Efficiency Analysis
Gathered for the first time from May 10 and to have gathered in the crops by the end of October 7 times, every mu of floating cultivation bed cultivated area can be gathered in the crops 18667 kilograms of water spinach cauline leafs, can gather in the crops 9334 kilograms of water spinach cauline leafs by every mu of water area (water surface planting rate 50%), by 1.80 yuan/kilogram of average unit prices, every mu of water area (water surface planting rate 50%) output value can reach 16801 yuan, 8167 yuan of deduction costs, net income is 8634 yuan (seeing Table 3).As seen utilize the floating plantation of lake inlet water water spinach, not only ecological benefits are remarkable, and economic benefit is remarkable too.
Table 3 utilization flows into the floating plantation of lake river water spinach evaluation of economic benefit
Annotate: fixedly in the input project except the floating cultivation bed is pressed depreciation in 2 years, other is all by depreciation in 3 years; Produce water spinach production marketing valency per year by 1.8 yuan/kilogram.
Beneficial effect
1. use the floating disc breeding can save the seed consumption, reduce production costs; It is neat to emerge, and keeps the uniformity of plant seedling growth; Can support the use with the various seeding ploughs that manually reach, be convenient to centralized management, increase work efficiency; Do not damage root system during transplanting, slow seedling is rapid, and survival rate is high.
2. utilized lake inlet water, can reduce the nutrient contents such as nitrogen in the lake inlet water, phosphorus, potassium, reached improvement, purify the purpose of lake inlet water, reasonable ecological benefits have been arranged.
3. regularly with the stirring of pushing net, so that the nutrient density mixing in root district and non-district is conducive to water spinach vigorous growth more.
4. the water spinach in summer grows 2～3 centimetres average every day, and very high output is arranged, and can bring larger earning rate, is used for large-scale production pollution-free vegetable or organic vegetable, and good economic benefit is arranged.
5. adopt the Lu Sheng water spinach in the cultivation of lake inlet water float, can guarantee the uniformity of plant growth, the soil-borne disease insect pest problem of avoiding the traditional cultivation mode to cause.
6. social benefit is remarkable, and a large amount of quality vegetables supplies market, the problem of employment that solves some of the staff, raising peasant household income can be provided.
Description of drawings
Fig. 1 is the cultivating pool schematic layout pattern;
Fig. 2 is the schematic perspective view of floating planting device for aquatic vegetables.
Specific embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of method of utilizing the floating high-yield culturing Lu Sheng of lake inlet water water spinach, concrete technical scheme is as follows:
A. it is aquatic taming the Lu Sheng water spinach:
A. the hollow brick that is respectively 40cm, 20cm, 20cm with the length and width height in plastic tunnel props up the domestication pool that is built into certain area, at the bottom of the pond and around spread thick 0.1 millimeter black plastic film.Domestication pool adds nutrient solution, and the height of nutrient solution is 8cm; Nutrient solution is to add ammonium nitrate phosphate fertilizer (30-4-0), MAP (10-50-0), potassium sulphate (0-0-50) in running water, nitrate of lime, magnesium sulfate, boric acid, zinc sulphate, copper sulphate, metalaxyl-mn-zn are formulated, the N content 80mg/L of nutrient solution, P content 30mg/L, K content 20mg/L, Ca content 30mg/L, Mg content 15mg/L, B content 0.05mg/L, Zn content 0.10mg/L, Cu content 0.05mg/L, metalaxyl-mn-zn 70mg/L;
B. the matrix of packing into: strike off after matrix is filled in the 200 pass floating disc holes that the extruded foam plastics are made; Matrix by volume percentage is composed of the following components: the peat composed of rotten mosses 30%, humus soil 40%, perlite 22%, vermiculite 8%; Water supply in media content is 45% during sabot;
C. sowing: with acupoint pressing plate compacting sowing cave, the dark 0.4cm in cave; Every bunch planting enters 1～2 in Lu Sheng water spinach seed, after every dish has been sowed, strikes off matrix with plank and covers seed, puts into domestication pool again;
D. domestication management: temperature is controlled at 20～30 ℃ in the plastic tunnel, and general 5～7 days begin to take root, and the mouth that leaks informaton up and down of opening plastic tunnel after 15～17 days of growing carries out hardening, hardening 2～3 days, and plant height reaches 10～15cm, and domestication was finished when 5～7 tongue leaf was arranged; To note the control of insect in the domestication process.
B. transplant: cultivating pool 1 water connects with river 2 waters that flow into the lake, and cultivating pool 1 has gap 3 at Ba Geng height 50cm place, and unnecessary Chi Shui enters in the lake 4 by gap 3; Floating planting device for aquatic vegetables 5 is lined up 7 parallel row in cultivating pool 1, floating planting device for aquatic vegetables 5 comprises floating cultivation bed 6, bamboo bar 7 and rope sling 8, floating cultivation bed 6 is the cystosepiment of thick 1.5cm, and having the aperture on the plate face is the field planting hole 9 of 1.2cm, and pitch of holes is 10cm; Bamboo bar 7 inserts in the water-bed what mud fixing along 6 liang of opposite side of floating cultivation bed, floating cultivation bed 6 is connected with bamboo bar 7 usefulness rope slings 8, and rope sling 8 can be free to slide along bamboo bar 7; To tame the water spinach seedling and be fixed in the field planting hole 9, the root of domestication water spinach seedling will contact with Chi Shui.
C. cultivation management: stirred between two row floating planting device for aquatic vegetables 5 with pushing net in per 3 days, and cleared up simultaneously water surface foreign matter.
D. harvesting: gather in when water spinach grows to 30～35cm, basal part of stem stays 4.0cm when gathering in for the first time, and basal part of stem stays 1.0cm when gathering in later on.
Embodiment 2
A kind of method of utilizing the floating high-yield culturing Lu Sheng of lake inlet water water spinach, concrete technical scheme is as follows:
A. it is aquatic taming the Lu Sheng water spinach:
A. the hollow brick that is respectively 40cm, 20cm, 20cm with the length and width height in the little shed of plastics props up the domestication pool that is built into certain area, at the bottom of the pond and around spread thick 0.12 millimeter black plastic film.Domestication pool adds nutrient solution, and the height of nutrient solution is 11cm; Nutrient solution is to add ammonium nitrate phosphate fertilizer (30-4-0), MAP (10-50-0), potassium sulphate (0-0-50) in underground water, nitrate of lime, magnesium sulfate, boric acid, zinc sulphate, copper sulphate, metalaxyl-mn-zn are formulated, the N content 100mg/L of nutrient solution, P content 40mg/L, K content 25mg/L, Ca content 40mg/L, Mg content 22mg/L, B content 0.07mg/L, Zn content 0.12mg/L, Cu content 0.07mg/L, metalaxyl-mn-zn 80mg/L;
B. the matrix of packing into: strike off after matrix is filled in the 162 pass floating disc holes that the extruded foam plastics are made; Matrix by volume percentage is composed of the following components: the peat composed of rotten mosses 35%, humus soil 35%, perlite 20%, vermiculite 10%; Water supply in media content is 48% during sabot;
C. sowing: with finger compacting sowing cave, the dark 0.5cm in cave; Every bunch planting enters 1～2 in Lu Sheng water spinach seed, after every dish has been sowed, strikes off matrix with hand and covers seed, puts into domestication pool again;
D. domestication management: temperature is controlled at 25～30 ℃ in the little shed of plastics, and general 4～5 days begin to sprout, grow to open all ventilating openings after 15～17 days and carry out hardening, and hardening 2～3 days, plant height reaches 10～15cm, tames when 5～7 tongue leaf is arranged and finishes; To note the control of insect in the domestication process.
B. transplant: cultivating pool water links to each other with the river that flows into the lake, and cultivating pool has gap at Ba Geng height 55cm place, and unnecessary Chi Shui enters in the lake by gap; Floating planting device for aquatic vegetables is lined up 10 parallel row in cultivating pool, floating planting device for aquatic vegetables comprises floating cultivation bed, rod and cuff, the floating cultivation bed is the cystosepiment of thick 2.0cm, has the field planting hole that the aperture is 1.8cm on the plate face, and pitch of holes is 12cm; Rod inserts in the water-bed what mud fixing along floating cultivation bed two opposite side, the floating cultivation bed is connected with cuff with rod, and cuff can be free to slide along rod; Clip have apical growing point and be cuttage seeding with the domestication Lu Sheng water spinach branch of 3～4 tongue leaves, require sheared edge to become an inclined-plane; Cuttage seeding is fixed in the field planting hole, and the most next joint of cuttage seeding will contact with Chi Shui.
C. cultivation management: stirred between two row floating planting device for aquatic vegetables with pushing net in per 4 days, and cleared up simultaneously water surface foreign matter.
D. harvesting: gather in when water spinach grows to 30～35cm, basal part of stem stays 5.0cm when gathering in for the first time, and basal part of stem stays 2.0cm when gathering in later on.
Embodiment 3
A kind of method of utilizing the floating high-yield culturing Lu Sheng of lake inlet water water spinach, concrete technical scheme is as follows:
A. it is aquatic taming the Lu Sheng water spinach:
A. the hollow brick that is respectively 40cm, 20cm, 20cm at the indoor length and width height of temperature props up the domestication pool that is built into certain area, spreads thick 0.1 millimeter black plastic film around reaching at the bottom of the pond.Domestication pool adds nutrient solution, and the height of nutrient solution is 15cm; Nutrient solution is to add ammonium nitrate phosphate fertilizer (30-4-0), MAP (10-50-0), potassium sulphate (0-0-50) in river, nitrate of lime, magnesium sulfate, boric acid, zinc sulphate, copper sulphate, metalaxyl-mn-zn are formulated, the N content 120mg/L of nutrient solution, P content 50mg/L, K content 30mg/L, Ca content 50mg/L, Mg content 30mg/L, B content 0.10mg/L, Zn content 0.15mg/L, Cu content 0.10mg/L, metalaxyl-mn-zn 90mg/L;
B. the matrix of packing into: strike off after matrix is filled in the 150 pass floating disc holes that the extruded foam plastics are made; Matrix by volume percentage is composed of the following components: the peat composed of rotten mosses 40%, humus soil 30%, perlite 18%, vermiculite 12%; Water supply in media content is 50% during sabot;
C. sowing: with acupoint pressing plate compacting sowing cave, the dark 0.6cm in cave; Every bunch planting enters 1～2 in Lu Sheng water spinach seed, after every dish has been sowed, strikes off matrix with hand and covers seed, puts into domestication pool again;
D. domestication management: temperature is controlled at 25～30 ℃ in the greenhouse in, and general 4～5 days begin to sprout, grows to open all ventilating openings after 15～17 days and carry out hardening, and hardening 2～3 days, plant height reaches 10～15cm, tames when 5～7 tongue leaf is arranged and finishes; To note the control of insect in the domestication process.
B. transplant: cultivating pool water links to each other with the river that flows into the lake, and cultivating pool has gap at Ba Geng height 60cm place, and unnecessary Chi Shui enters in the lake by gap; Floating planting device for aquatic vegetables is lined up 12 parallel row in cultivating pool, floating planting device for aquatic vegetables comprises floating cultivation bed, bamboo bar and rope sling, the floating cultivation bed is the hollow plastic sheet of thick 2.5cm, has the field planting hole that the aperture is 2.0cm on the plate face, and pitch of holes is 15cm; The bamboo bar inserts in the water-bed what mud fixing along floating cultivation bed two opposite side, the floating cultivation bed is connected with rope sling with the bamboo bar, and rope sling can freely be free to slide along the bamboo bar; Clip is cuttage seeding without the domestication Lu Sheng water spinach branch with 2～3 tongue leaves of apical growing point, requires sheared edge to become an inclined-plane, and cuttage seeding is fixed in the field planting hole, and the most next joint of cuttage seeding will contact with Chi Shui.
C. cultivation management: stirred between two row floating planting device for aquatic vegetables with pushing net in per 3 days, and cleared up simultaneously water surface foreign matter.
D. harvesting: gather in when water spinach grows to 30～35cm, basal part of stem stays 6.0cm when gathering in for the first time, and basal part of stem stays 3.0cm when gathering in later on.
Claims (8)
1. method of utilizing the floating high-yield culturing Lu Sheng of lake inlet water water spinach, concrete technical scheme is as follows:
A. it is aquatic taming the Lu Sheng water spinach:
A. domestication pool adds nutrient solution, and the height of nutrient solution is 8～15cm; The requirement of nutrient solution is as follows: N content 80～120mg/L, P content 30～50mg/L, K content 20～30mg/L, Ca content 30～50mg/L, Mg content 15～30mg/L, B content 0.05～0.10mg/L, Zn content 0.10～0.15mg/L, Cu content 0.05～0.10mg/L, bactericide 70～90mg/L;
B. the matrix of packing into: the floating disc hole strikes off after filling matrix; Matrix by volume percentage is composed of the following components: the peat composed of rotten mosses 30～40%, humus soil 30～40%, perlite 15～25%, vermiculite 8～12%; Water supply in media content is 45～50% during sabot;
C. sowing: record and broadcast kind cave, the dark 0.4～0.6cm in cave; Every bunch planting enters 1～2 in Lu Sheng water spinach seed, after every dish has been sowed, strikes off matrix and covers seed, puts into domestication pool again;
D. domestication management: the growing environment temperature is controlled at 25～30 ℃, and general 4～5 days begin to sprout, and grow and carry out hardening after 15～17 days, hardening 2～3 days, plant height reaches 10～15cm, and domestication was finished when 5～7 tongue leaf was arranged; To note the control of insect in the domestication process;
B. transplant: cultivating pool (1) water connects with river (2) water that flows into the lake, and cultivating pool (1) highly is that 50～60cm place has gap (3) at Ba Geng, and unnecessary Chi Shui enters in the lake (4) by gap (3); Floating planting device for aquatic vegetables (5) is lined up parallel some row in cultivating pool (1), floating planting device for aquatic vegetables (5) comprises floating cultivation bed (6), gag lever post (7) and jockey (8), floating cultivation bed (6) is cystosepiment or the hollow plastic sheet of thick 1.5～2.5cm, have the field planting hole that the aperture is 1.2～2.0cm (9) on the plate face, pitch of holes is 10～15cm; Gag lever post (7) inserts in the water-bed what mud fixing along floating cultivation bed (6) two opposite side, floating cultivation bed (6) is connected with jockey (8) with gag lever post (7), and jockey (8) can be free to slide along gag lever post (7) axis; To tame water spinach seedling or cuttage seeding and be fixed in the field planting hole (9), the root of domestication water spinach seedling or the most next joint of cuttage seeding will contact with Chi Shui;
C. cultivation management: stirred between two row floating planting device for aquatic vegetables (5) with pushing net in per 3～4 days, and cleared up simultaneously water surface foreign matter;
D. harvesting: gather in when water spinach grows to 30～35cm, basal part of stem stays 4.0～6.0cm when gathering in for the first time, and basal part of stem stays 1.0～3.0cm when gathering in later on.
2. utilize according to claim 1 the method for the floating high-yield culturing Lu Sheng of lake inlet water water spinach, it is characterized in that described cuttage seeding be clip have apical growing point and with 3～4 tongue leaves or without the domestication Lu Sheng water spinach branch with 2～3 tongue leaves of apical growing point, require sheared edge to become an inclined-plane.
3. utilize according to claim 1 the method for the floating high-yield culturing Lu Sheng of lake inlet water water spinach, it is characterized by described floating disc is 200 pass floating discs, 162 pass floating discs or the 150 pass floating discs that the extruded foam plastics are made.
4. utilize according to claim 2 the method for the floating high-yield culturing Lu Sheng of lake inlet water water spinach, it is characterized by described floating disc is 200 pass floating discs, 162 pass floating discs or the 150 pass floating discs that the extruded foam plastics are made.
5. wherein any one is utilized the method for the floating high-yield culturing Lu Sheng of lake inlet water water spinach according to claim 1-4, and it is characterized by described bactericide is metalaxyl-mn-zn, thiophanate-methyl MnZn or metalaxyl-thiram wettable powder.
6. wherein any one is utilized the method for the floating high-yield culturing Lu Sheng of lake inlet water water spinach according to claim 1-4, it is characterized in that described gag lever post (7) is bamboo bar or rod.
7. utilize according to claim 5 the method for the floating high-yield culturing Lu Sheng of lake inlet water water spinach, it is characterized in that described gag lever post (7) is bamboo bar or rod.
8. wherein any one is utilized the method for the floating high-yield culturing Lu Sheng of lake inlet water water spinach according to claim 1-4, it is characterized in that described jockey (8) is rope sling or cuff.
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| CN2011102318316A CN102349434B (en) | 2011-08-10 | 2011-08-10 | High-yield method for cultivating land mater convolvulus by floating on river water which enters lake |
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| CN102674554A (en) * | 2012-05-16 | 2012-09-19 | 施怀荣 | Artificial floating island capable of simultaneously planting aquatic plant and terrestrial plant |
| CN103026879A (en) * | 2012-12-26 | 2013-04-10 | 欧燕 | Cultivating method of double-cane bud seedling vegetable |
| CN103535262B (en) * | 2013-06-24 | 2015-11-18 | 何勤学 | The devices and methods therefor of a kind of hydroponics water spinach |
| CN103858739A (en) * | 2014-03-25 | 2014-06-18 | 曾建 | Geranium floating cottage method |
| CN104982313B (en) * | 2015-06-24 | 2017-06-20 | 玉溪市农业科学院 | Moderate eutrophy lake surface water spinach wind and wave resistance implantation methods |
| CN105000670B (en) * | 2015-08-06 | 2017-12-12 | 邳州高新区生物医药研究院有限公司 | A kind of method that tree plant cultivation administers fluoride waste |
| CN106508640A (en) * | 2016-09-21 | 2017-03-22 | 玉溪市农业科学院 | Method for ecological breeding of aquatic vegetables and carps through lake inflowing river water |
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| JP2000037144A (en) * | 1998-07-23 | 2000-02-08 | Haruo Fujimoto | Raft for water culture of edible plant, for purification of water quality, and forming live reef |
| CN101003407A (en) * | 2006-01-20 | 2007-07-25 | 胡孟春 | Culture techniques on water surface for ryegrass and swamp cabbage |
| CN100519443C (en) * | 2007-08-29 | 2009-07-29 | 浙江大学 | Method for in situ repairing eutrophication surface water |
| CN101671078A (en) * | 2008-09-12 | 2010-03-17 | 广西民族大学 | Method for controlling sewage by cultivating water spinaches on water surface |
| CN101381164B (en) * | 2008-10-09 | 2011-08-24 | 华中农业大学 | Green fodder planting in cage type biological floating raft based on pool and water quality purification method |
| CN102060386A (en) * | 2010-11-17 | 2011-05-18 | 中国科学院南京地理与湖泊研究所 | Method for constructing floating wetland |
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