CN109463211A - The method of the height of water level optimization method and the fast quick-recovery of degeneration saline-alkali wetland plant of three river scirpus triqueter seedling - Google Patents
The method of the height of water level optimization method and the fast quick-recovery of degeneration saline-alkali wetland plant of three river scirpus triqueter seedling Download PDFInfo
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- CN109463211A CN109463211A CN201811340182.1A CN201811340182A CN109463211A CN 109463211 A CN109463211 A CN 109463211A CN 201811340182 A CN201811340182 A CN 201811340182A CN 109463211 A CN109463211 A CN 109463211A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
Abstract
The method of the height of water level optimization method and the fast quick-recovery of degeneration saline-alkali wetland plant of three river scirpus triqueter seedling, the invention belongs to technical field of biological recovery, the present invention will determine influence of the height of water level to three river scirpus triqueter growth of seedling.Height of water level optimization method: one, three river scirpus triqueter bulb of field acquires；Two, indoor raising of seedling；Three, prepare matrix；Four, multiple hydraulic gradiants are set, cultivate three river scirpus triqueter seedling respectively；Five, the relative growth rate of seedling is calculated, scirpus triqueter biomass is measured；Six, measurement analysis.Quick recovery method: emerging to three river scirpus triqueter bulbs, the height of three river scirpus triqueter seedling it is long to 12~18cm when, it is 40cm~50cm that the depth of water is filled into recovery district.Influence of the present invention by research water level to three river scirpus triqueter growth of seedling, it is determined that the most suitable height of water level of three river scirpus triqueter growth of seedling effectively improves the accumulation of three river scirpus triqueter biomass, is conducive to rapid field planting and the construction of three river scirpus triqueter populations.
Description
Technical field
The invention belongs to technical field of biological recovery, and in particular to the height of water level optimization method of three river scirpus triqueter seedling and move back
The method of the fast quick-recovery of salt dissolving alkali wetland plant.
Background technique
Three river scirpus triqueters are herbaceos perennials, are the sociales of wetland emergent aquactic plant group, are born in rice field and inland more
Saline-alkali wetland is distributed mainly on the Northeast, China.Three river scirpus triqueters have both sexual propagation and vegetative propagation, can by bulb into
Row quickly growth and procreation.In addition, three river scirpus triqueters maintain the function of wetlands ecosystems to swamp protection plant biodiversity
There can be important role with the ecological balance.The underground bulb content of starch of three river scirpus triqueters is high, be whole world birds white crane in imminent danger and
At the beginning of the key of the important foodstuffs source of other phytophagous aquatic birds and many animal spawning habitats and habitat, even more salt marshes
The grade producer, it is most important to stablizing for ecosystem system function and structure.
However, due to climate change, the influence of human activity, so that three river scirpus triqueter habitat quality of natural wetland is by broken
Bad, distribution area is reduced, and bulb negligible amounts cause threat to the existence for treasuring birds white crane.Therefore it provides a kind of three rivers
The optimum level of water height optimization method of scirpus triqueter growth of seedling is to the recovery engineerings of three river scirpus triqueters, and to white crane habitat, food source
Protection is a problem to be solved.
Summary of the invention
The present invention is influence of the height of water level to be determined to three river scirpus triqueter growth of seedling, and provides the water of three river scirpus triqueter seedling
The method of position height optimization method and the fast quick-recovery of degeneration saline-alkali wetland plant.
The height of water level optimization method of three river scirpus triqueter seedling of the invention is realized according to the following steps:
One, three river scirpus triqueter bulb of field acquires: taking three river scirpus triqueter bulbs in three river scirpus triqueter vitellariums, cleans three river scirpus triqueters
Bulb is protected from light wet preservation, obtains three river scirpus triqueter bulbs of bunchiness；
Two, indoor raising of seedling: three river scirpus triqueter bulbs of bunchiness are rinsed well, and three river scirpus triqueter bulbs of bunchiness are cut into single three
River scirpus triqueter bulb, single three rivers scirpus triqueter bulb are placed in pot for growing seedlings, carry out water planting using distilled water, are trained in 24 DEG C~26 DEG C constant temperature
It supports in case and carries out nursery, obtain three river scirpus triqueter seedling；
Three, matrix prepares: being matched according to the turfy soil and quartz sand that mass ratio is 3:1, is uniformly mixed, is cultivated
Matrix；
Four, growth of seedling is tested: by the consistent three rivers scirpus triqueter seedling cultivation of upgrowth situation in culture substrate, being arranged multiple
3~5 parallel tests are arranged in hydraulic gradiant, each hydraulic gradiant, and three river scirpus triqueter childrens are cultivated under conditions of temperature is 25 ± 3 DEG C
Seedling；
Five, growth of seedling process monitoring: in the elemental height of the culture every plant of three river scirpus triqueter seedling of measurement in the 1st day, i.e., initially
Plant height is denoted as H1, unit cm, and the plant height of three river scirpus triqueter plant is measured after culture 12 weeks, is denoted as H2, unit cm, and count
The relative growth rate of three river scirpus triqueter seedling is calculated, according to formulaIt is calculated, △ t is real
It tests the period, unit is day；
Three river scirpus triqueter plant are harvested after cultivating 12 weeks, and three river scirpus triqueter bulbs, rhizome, root, ground plant are cleaned with clear water,
Then drying to constant weight, weighs, respectively obtains three river scirpus triqueter bulb biomass, root biomass, root biomass and ground plant
Biomass, and calculate ground biomass, underground biomass and total biomass, wherein underground biomass=bulb biomass+rhizome
Biomass+root biomass, ground biomass=ground biomass, total biomass=underground biomass+ground biomass；
Six, measurement analysis: relative growth rate, underground biomass, geodyte using Excel software to three river scirpus triqueters
Amount and total biomass carry out data processing and statistical analysis, carry out one-way analysis of variance (One-way ANOVA) using SPSS,
Influence of the water level to three river scirpus triqueter growth of seedling is analyzed, multiple check uses least significant difference (Least Significant
Difference, LSD), complete the height of water level optimization of three river scirpus triqueter seedling.
It can clearly reflect three river Fischer by relative growth rate size of three river scirpus triqueters under the conditions of different water levels
The speed of growth of grass, faster growth are conducive to rapid build and the recovery of three river scirpus triqueter populations.Three river scirpus triqueter total biomasses
Size directly characterizes the power of plant assimilative capacicy；The size of ground biomass indicates that plant obtains the resources such as illumination, oxygen
Ability；The size of underground biomass is mainly determined by bulb biomass size to a certain extent, and bulb is three river scirpus triqueters
Energy storage organ and offspring's procreation vegetative propagation organ, therefore the size of underground biomass represents three river scirpus triqueters
Resource storage capability and offspring to multiply ability strong and weak.The present invention passes through selection relative growth rate, underground biomass, on the ground life
The optimum level of water of object amount and the relatively large water level of total biomass as three river scirpus triqueters.
The method of the fast quick-recovery of degeneration saline-alkali wetland plant of the present invention is realized according to the following steps:
One, three river scirpus triqueter bulbs are imbedded in and restore ground upper soll layer, holding ground moistening (or water level there was not soil just
Earth surface)；
Two, emerge to three river scirpus triqueter bulbs, the height of three river scirpus triqueter seedling it is long to 12~18cm when, filled the water into recovery district
It is 40cm~50cm to the depth of water, completes the fast quick-recovery of three river scirpus triqueter of degeneration saline-alkali wetland.
The height of water level optimization method of three rivers scirpus triqueter seedling of the present invention include it is following the utility model has the advantages that
One, influence of the present invention by research water level to three river scirpus triqueter growth of seedling, determines three river scirpus triqueter growth of seedling
Most suitable height of water level effectively improves the accumulation of three river scirpus triqueter biomass, be conducive to the rapid field plantings of three river scirpus triqueter populations with
Construction；
Two, present invention determine that the most suitable height of water level of three river scirpus triqueters is 45cm.
Detailed description of the invention
Fig. 1 be in embodiment water level to the influence column diagram of three river scirpus triqueter Seedling Heights；
Fig. 2 be in embodiment water level to the influence column diagram of three river scirpus triqueter plant division numbers；
Fig. 3 be in embodiment water level to the influence column diagram of three river scirpus triqueter bulb numbers；
Fig. 4 be in embodiment water level to the influence column diagram of three river scirpus triqueter seedling relative growth rates；
Fig. 5 be in embodiment water level to the influence column diagram of three river scirpus triqueter underground biomasses；
Fig. 6 be in embodiment water level to the influence column diagram of three river scirpus triqueter ground biomass；
Fig. 7 be in embodiment water level to the influence column diagram of three river scirpus triqueter total biomasses.
Specific embodiment
Specific embodiment 1: the height of water level optimization method of three river scirpus triqueter seedling of present embodiment is real according to the following steps
It applies:
One, three river scirpus triqueter bulb of field acquires: taking three river scirpus triqueter bulbs in three river scirpus triqueter vitellariums, cleans three river scirpus triqueters
Bulb is protected from light wet preservation, obtains three river scirpus triqueter bulbs of bunchiness；
Two, indoor raising of seedling: three river scirpus triqueter bulbs of bunchiness are rinsed well, and three river scirpus triqueter bulbs of bunchiness are cut into single three
River scirpus triqueter bulb, single three rivers scirpus triqueter bulb are placed in pot for growing seedlings, carry out water planting using distilled water, are trained in 24 DEG C~26 DEG C constant temperature
It supports in case and carries out nursery, obtain three river scirpus triqueter seedling；
Three, matrix prepares: being matched according to the turfy soil and quartz sand that mass ratio is 3:1, is uniformly mixed, is cultivated
Matrix；
Four, growth of seedling is tested: by the consistent three rivers scirpus triqueter seedling cultivation of upgrowth situation in culture substrate, being arranged multiple
3~5 parallel tests are arranged in hydraulic gradiant, each hydraulic gradiant, and three river scirpus triqueter childrens are cultivated under conditions of temperature is 25 ± 3 DEG C
Seedling；
Five, growth of seedling process monitoring: in the elemental height of the culture every plant of three river scirpus triqueter seedling of measurement in the 1st day, i.e., initially
Plant height is denoted as H1, unit cm, and the plant height of three river scirpus triqueter plant is measured after culture 12 weeks, is denoted as H2, unit cm, and count
The relative growth rate of three river scirpus triqueter seedling is calculated, according to formulaIt is calculated, Δ t is real
It tests the period, unit is day；
Three river scirpus triqueter plant are harvested after cultivating 12 weeks, and three river scirpus triqueter bulbs, rhizome, root, ground plant are cleaned with clear water,
Then drying to constant weight, weighs, respectively obtains three river scirpus triqueter bulb biomass, root biomass, root biomass and ground plant
Biomass, and calculate ground biomass, underground biomass and total biomass, wherein underground biomass=bulb biomass+rhizome
Biomass+root biomass, ground biomass=ground biomass, total biomass=underground biomass+ground biomass；
Six, relative growth rate, underground biomass, the on the ground life of three river scirpus triqueters measurement analysis: are carried out using Excel software
Object amount and total biomass carry out data processing and statistical analysis, carry out one-way analysis of variance (One-way using SPSS
ANOVA), influence of the analysis water level to three river scirpus triqueter growth of seedling, multiple check use least significant difference (Least
Significant Difference, LSD), significance is P < 0.05, and the height of water level for completing three river scirpus triqueter seedling is excellent
Change.
Present embodiment can be clearly anti-by relative growth rate size of three river scirpus triqueters under the conditions of different water levels
The speed of growth of three river scirpus triqueters is mirrored, faster growth is conducive to rapid build and the recovery of three river scirpus triqueter populations.Three river scirpus triqueters
The size of total biomass directly characterizes the power of plant assimilative capacicy；The size expression plant acquisition illumination of ground biomass,
The ability of the resources such as oxygen；The size of underground biomass is mainly determined by bulb biomass size to a certain extent, and bulb
It is the energy storage organ of three river scirpus triqueters and the vegetative propagation organ of offspring's procreation, therefore the size of underground biomass represents
Three river scirpus triqueters resource storage capability and offspring to multiply ability strong and weak.Therefore by selection relative growth rate, underground biomass,
The optimum level of water of ground biomass and the relatively large water level of total biomass as three river scirpus triqueters.
Present embodiment is easy to operate, low in cost, improves the field survivorship ability of three river scirpus triqueters, is conducive to plant growth
With fast quick-recovery.
Specific embodiment 2: the present embodiment is different from the first embodiment in that step 1 is dug by (small) patch
Three river scirpus triqueter bulbs are taken, taking depth is 15~30cm.
Present embodiment takes three river scirpus triqueter bulbs using patch region interval.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that step 2 utilizes distilled water
Water planting is carried out, holding height of water level is 3cm, is 80% in humidity, carries out nursery in the constant incubator that temperature is 25 ± 1 DEG C.
Specific embodiment 4: described in step 3 unlike one of present embodiment and specific embodiment one to three
Quartz sand crosses 20 mesh soil sieves.
The sieving of present embodiment quartz sand, removes impurity, and clean.
Specific embodiment 5: step 4 setting 4 unlike one of present embodiment and specific embodiment one to four
~6 hydraulic gradiants.
Specific embodiment 6: present embodiment presses 10cm~20cm from hydraulic gradiant unlike specific embodiment five
Interval variation.
Specific embodiment 7: step 4 unlike one of present embodiment and specific embodiment one to six choose it is high
Degree is tri- river scirpus triqueter seedling cultivation of 14cm~16cm in culture substrate.
Specific embodiment 8: each in step 4 unlike one of present embodiment and specific embodiment one to seven
3 parallel tests are arranged in hydraulic gradiant.
Specific embodiment 9: step 5 unlike one of present embodiment and specific embodiment one to eight is by three rivers
Scirpus triqueter bulb, rhizome, root, ground plant are cleaned with clear water, and then drying to constant weight at 65 DEG C.
Specific embodiment 10: the method for the fast quick-recovery of present embodiment degeneration saline-alkali wetland plant is real according to the following steps
It applies:
One, the three river scirpus triqueter bulbs for taking acquisition take in the rain shade restored near ground, then by three river scirpus triqueter bulbs
It is imbedded in recovery ground upper soll layer, is kept ground moistening (or water level there was not soil surface just)；
Two, by the soil of three river scirpus triqueter bulbs insertion recovery district, the average seedling until three river scirpus triqueter seedling is grown naturally
When a height of 12~18cm, it is 40cm~50cm that the depth of water is filled into recovery district, completes the fast of three river scirpus triqueter of degeneration saline-alkali wetland
Quick-recovery.
Embodiment: the Cultivating techniques of three river scirpus triqueter seedling optimum level of water height of the present embodiment are implemented according to the following steps:
One, three river scirpus triqueter bulb of field acquires: in the plant germination phase in late April, 2017, in Momoge country
The sampling point for selecting three river scirpus triqueters to be evenly distributed in nature reserve area gooseneck boom bubble, takes three river scirpus triqueter bulbs by small patch, takes
Depth is 15~30cm, and bulb takes end, and three river scirpus triqueter bulbs are cleaned and are placed in black plastic bag, avoid illumination, and protect
Stem of catching is wet, obtains three river scirpus triqueter bulbs of bunchiness；
Two, indoor raising of seedling: after three river scirpus triqueter bulbs of bunchiness are rinsed, bunchiness bulb is cut into single individual, and will be extra
Connection cut, by single three rivers scirpus triqueter bulb be placed in cave depth be 5cm, long * wide be 54*28cm pot for growing seedlings (7 row * 3 column)
In, water planting is carried out using distilled water, holding height of water level is 3cm, and being placed in humidity is 80%, the perseverance that temperature is 25 ± 1 DEG C
Nursery is carried out in warm incubator, obtains three river scirpus triqueter seedling；
Three, matrix prepares: it is matched, is uniformly mixed according to the turfy soil and quartz sand that mass ratio is 3:1, quartz sand benefit
It is sieved with 20 mesh sieve, removes impurity, and clean, obtain culture substrate；
Four, growth of seedling test: choose upgrowth situation it is consistent, be highly 15cm, three healthy river scirpus triqueter seedling cultivations in
In culture substrate, 4 hydraulic gradiants are arranged with 5cm, 25cm, 45cm, 65cm in buried depth 2cm, and each hydraulic gradiant is arranged 3
Parallel test cultivates 12 weeks under conditions of temperature is 25 ± 3 DEG C, obtains three river scirpus triqueter seedling；
Five, growth of seedling process monitoring: in the elemental height of the culture every plant of three river scirpus triqueter seedling of measurement in the 1st day, i.e., initially
Plant height is denoted as H1, unit cm, and the plant height of three river scirpus triqueter plant is measured after culture 12 weeks, is denoted as H2, unit cm, and count
The relative growth rate of three river scirpus triqueter seedling is calculated, according to formulaIt is calculated, △ t is real
It tests the period, unit is day；
Three river scirpus triqueter plant are harvested after cultivating 12 weeks, and three river scirpus triqueter bulbs, rhizome, root, ground plant are cleaned with clear water,
Then drying to constant weight at 65 DEG C, weigh, respectively obtain three river scirpus triqueter bulb biomass, root biomass, root biomass and
Ground biomass, and ground biomass, underground biomass and total biomass are calculated, wherein underground biomass=bulb is biological
Amount+root biomass+root biomass, ground biomass=ground biomass, total biomass=underground biomass+ground are raw
Object amount；
Six, measurement analysis: data processing and statistical analysis are carried out using 2017 software of Excel, carried out using SPSS19.0
One-way analysis of variance (One-way ANOVA) analyzes influence of the water level to three river scirpus triqueter growth of seedling, and multiple check is using most
Small significant difference (Least Significant Difference, LSD), significance are P < 0.05, complete three river Fischer
The height of water level of careless seedling optimizes.
It can clearly reflect three river Fischer by relative growth rate size of three river scirpus triqueters under the conditions of different water levels
The speed of growth of grass, faster growth are conducive to rapid build and the recovery of three river scirpus triqueter populations.Three river scirpus triqueter total biomasses
Size directly characterizes the power of plant assimilative capacicy；The size of ground biomass indicates that plant obtains the resources such as illumination, oxygen
Ability；The size of underground biomass is mainly determined by bulb biomass size to a certain extent, and bulb is three river scirpus triqueters
Energy storage organ and offspring's procreation vegetative propagation organ, therefore the size of underground biomass represents three river scirpus triqueters
Resource storage capability and offspring to multiply ability strong and weak.Therefore pass through selection relative growth rate, underground biomass, ground biomass
Optimum level of water with the relatively large water level of total biomass as three river scirpus triqueters.
Three river scirpus triqueter plant heights, the relative growth rate (RGR), underground biomass, ground of 4 heights of water level in the present embodiment
The mean value and standard error of mean of biomass and total biomass are as shown in table 1 and Fig. 1-7, wherein different letters indicate different places
Significant difference (P < 0.05) between reason.
Plant height, plant division number, bulb number, relative growth rate, underground biomass, ground biomass and the total biomass of seedling
It is all the important indicator for reflecting three river scirpus triqueter growth of seedling.From one-way analysis of variance as a result, finding three river scirpus triqueter plant
Plant height, plant division number, bulb number, relative growth rate, underground biomass, ground biomass and total biomass are by height of water level
Significantly affect (table 2).
Table 1
Table 2
By table 2 and Fig. 1-7 it is found that three river scirpus triqueter plant are when height of water level is 65cm, plant height, relative growth rate
Reach maximum, respectively 193.06 ± 7.76cm, 0.0304 ± 0.0008cmcm-1·d-1；Its plant division number, bulb number, underground
Biomass, ground biomass and total biomass then obtain minimum value under 65cm height of water level, obtain when low water level
Big value.By the concrete analysis discovery to underground biomass, underground biomass and total biomass, between 5cm, 25cm, 45cm not
There are significant difference, illustrate to be conducive to the accumulation of phytomass in the 45cm depth of water and shallow water position, and high water level is regional (65cm)
It may be since the depth of water causes visibility to reduce, plant is to guarantee that contemporary plant greatly benefits, photosynthesis is improved, therefore
Most resource allocation is given to plant plant height, to obtain light source.And in three river scirpus triqueter plant pair resources of shallow water position growth
Distribution is influenced relatively small by water level, and more resources are then put into vegetative propagation.The quantity representative present age population of plant division to
The power of outer extension meets plant demand to obtain more resources.The ability that bulb quantity representative population continues, with utmostly
Guarantee that offspring flocks benefit, population is maintained to continue.Meanwhile three river scirpus triqueter bulb as treasure birds white crane Major Foods come
Source, the number of quantity directly affect white crane population habitat quality.Therefore in general, to keep three river scirpus triqueter plants maximum
Biomass accumulation is carried out, guarantee the continuity of three river scirpus triqueter populations and maintains white crane population habitat quality, the 45cm depth of water is its growth
Optimum height of water level.Therefore, when carrying out plant recovery to degeneration sabkha, it may be selected 45cm's for three river scirpus triqueter groups
It is suitable for that depth of water area is resumed work, realizes the greatest benefit for restoring engineering.
Claims (10)
1. the height of water level optimization method of three river scirpus triqueter seedling, it is characterised in that this method is to follow these steps to realize:
One, three river scirpus triqueter bulb of field acquires: taking three river scirpus triqueter bulbs in three river scirpus triqueter vitellariums, cleans three river scirpus triqueter balls
Stem is protected from light wet preservation, obtains three river scirpus triqueter bulbs of bunchiness；
Two, indoor raising of seedling: three river scirpus triqueter bulbs of bunchiness are rinsed well, and three river scirpus triqueter bulbs of bunchiness are cut into single three river Fischer
Careless bulb, single three rivers scirpus triqueter bulb are placed in pot for growing seedlings, water planting are carried out using distilled water, in 24 DEG C~26 DEG C constant incubators
Middle carry out nursery obtains three river scirpus triqueter seedling；
Three, matrix prepares: being matched according to the turfy soil and quartz sand that mass ratio is 3:1, is uniformly mixed, obtains culture medium
Matter；
Four, growth of seedling is tested: by the consistent three rivers scirpus triqueter seedling cultivation of upgrowth situation in culture substrate, multiple water levels are arranged
3~5 parallel tests are arranged in gradient, each hydraulic gradiant, cultivate three river scirpus triqueter seedling under conditions of temperature is 25 ± 3 DEG C；
Five, growth of seedling process monitoring: culture the 1st day measurement every plant of three river scirpus triqueter seedling elemental height, i.e., initial plant height,
It is denoted as H1, unit cm, the plant height of three river scirpus triqueter plant is measured after culture 12 weeks, is denoted as H2, unit cm, and calculate three rivers
The relative growth rate of scirpus triqueter seedling, according to formulaIt is calculated, △ t is experiment week
Phase, unit are day；
Three river scirpus triqueter plant are harvested after cultivating 12 weeks, three river scirpus triqueter bulbs, rhizome, root, ground plant are cleaned with clear water, then
Drying to constant weight, weighs, and respectively obtains three river scirpus triqueter bulb biomass, root biomass, root biomass and ground plant biology
Amount, and ground biomass, underground biomass and total biomass are calculated, wherein underground biomass=bulb biomass+rhizome is biological
Amount+root biomass, ground biomass=ground biomass, total biomass=underground biomass+ground biomass；
Six, measurement analysis: using Excel software to the relative growth rate of three river scirpus triqueters, underground biomass, ground biomass and
Total biomass carries out data processing and statistical analysis, carries out one-way analysis of variance using SPSS, analyzes water level to three river scirpus triqueters
The influence of growth of seedling, multiple check use least significant difference, complete the height of water level optimization of three river scirpus triqueter seedling.
2. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 1, it is characterised in that step 1 passes through
Patch takes three river scirpus triqueter bulbs, and taking depth is 15~30cm.
3. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 1, it is characterised in that step 2 utilizes
Distilled water carries out water planting, and holding height of water level is 3cm, is 80% in humidity, carries out in the constant incubator that temperature is 25 ± 1 DEG C
Nursery.
4. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 1, it is characterised in that described in step 3
Quartz sand cross 20 mesh soil sieves.
5. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 1, it is characterised in that step 4 setting 4
~6 hydraulic gradiants.
6. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 5, it is characterised in that hydraulic gradiant is pressed
10cm~20cm interval variation.
7. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 1, it is characterised in that step 4 is chosen
Height is tri- river scirpus triqueter seedling cultivation of 14cm~16cm in culture substrate.
8. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 1, it is characterised in that every in step 4
3 parallel tests are arranged in a hydraulic gradiant.
9. the height of water level optimization method of three rivers scirpus triqueter seedling according to claim 1, it is characterised in that step 5 is by three
River scirpus triqueter bulb, rhizome, root, ground plant are cleaned with clear water, and then drying to constant weight at 65 DEG C.
10. the method for the fast quick-recovery of degeneration saline-alkali wetland plant, it is characterised in that the restoration methods are realized according to the following steps:
One, three river scirpus triqueter bulbs are imbedded in recovery ground upper soll layer, keep ground moistening；
Two, emerge to three river scirpus triqueter bulbs, the height of three river scirpus triqueter seedling it is long to 12~18cm when, water is filled into recovery district
Depth is 40cm~50cm, completes the fast quick-recovery of three river scirpus triqueter of degeneration saline-alkali wetland.
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| CN110754350A (en) * | 2019-11-28 | 2020-02-07 | 西南大学 | Water depth optimization and rapid recovery method of scripus triqueter wetland under saline-alkali stress |
| CN113742945A (en) * | 2021-09-30 | 2021-12-03 | 中国科学院东北地理与农业生态研究所 | Optimization method for optimal water level of cattail growth in soda saline-alkali wetland |
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| CN108551983A (en) * | 2018-03-26 | 2018-09-21 | 中国科学院东北地理与农业生态研究所 | A kind of best Transplanting Density of reed seedling and the first acquisition methods for planting height |
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| CN105723847A (en) * | 2016-03-02 | 2016-07-06 | 中国科学院东北地理与农业生态研究所 | Method for recovering three-river bulrush wet land from degeneration saline-alkali soil in west of Jilin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110754350A (en) * | 2019-11-28 | 2020-02-07 | 西南大学 | Water depth optimization and rapid recovery method of scripus triqueter wetland under saline-alkali stress |
| CN110754350B (en) * | 2019-11-28 | 2021-09-24 | 西南大学 | Water depth optimization and rapid recovery method of scripus triqueter wetland under saline-alkali stress |
| CN113742945A (en) * | 2021-09-30 | 2021-12-03 | 中国科学院东北地理与农业生态研究所 | Optimization method for optimal water level of cattail growth in soda saline-alkali wetland |
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