CN106212141A - The salt pond identified for Rice Salt alkalescence and using method thereof - Google Patents
The salt pond identified for Rice Salt alkalescence and using method thereof Download PDFInfo
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- CN106212141A CN106212141A CN201610815380.3A CN201610815380A CN106212141A CN 106212141 A CN106212141 A CN 106212141A CN 201610815380 A CN201610815380 A CN 201610815380A CN 106212141 A CN106212141 A CN 106212141A
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- 150000003839 salts Chemical class 0.000 title claims abstract description 122
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 79
- 235000009566 rice Nutrition 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 19
- 240000007594 Oryza sativa Species 0.000 title abstract description 16
- 241000209094 Oryza Species 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 239000003513 alkali Substances 0.000 claims abstract description 22
- 239000004576 sand Substances 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 26
- 239000011780 sodium chloride Substances 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 21
- 239000011083 cement mortar Substances 0.000 claims description 7
- 241000196324 Embryophyta Species 0.000 claims description 6
- 210000000481 breast Anatomy 0.000 claims description 6
- 230000035784 germination Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000009331 sowing Methods 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- 235000013339 cereals Nutrition 0.000 claims description 4
- 201000010099 disease Diseases 0.000 claims description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 241001237160 Kallima inachus Species 0.000 claims description 3
- 241000607479 Yersinia pestis Species 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 239000013505 freshwater Substances 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 3
- 230000035800 maturation Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract 1
- 238000011161 development Methods 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 7
- 238000012216 screening Methods 0.000 description 6
- 230000015784 hyperosmotic salinity response Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 244000037666 field crops Species 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 244000273256 Phragmites communis Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 240000002044 Rhizophora apiculata Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009402 cross-breeding Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
- A01G22/20—Cereals
- A01G22/22—Rice
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Botany (AREA)
- Cultivation Of Seaweed (AREA)
Abstract
The invention discloses the salt pond and using method thereof identified for Rice Salt alkalescence, its structure includes salt pond matrix, arable layer it is sequentially provided with from top to bottom in the matrix of described salt pond, metalling and middle layer of sand, the drainage screen supporting arable layer it is provided with between described arable layer and metalling, it is provided with soakaway trench in described middle layer of sand, one end of described soakaway trench is connected with the discharge outlet outside the matrix of salt pond, several water seepage holes it are uniformly provided with on described soakaway trench, described soakaway trench outer wrap prevents fine sand from entering the harmless cloth of water seepage hole blocking water seepage hole, the side on matrix top, described salt pond is provided with water inlet, the opposite side on corresponding matrix top, salt pond is provided with outlet.The accuracy that Rice Salt alkali is identified, for identifying the Oryza sativa L. natural salt alkaline earth in different salinity, the Salt And Alkali Tolerance ability of different developmental phases, is improved in this salt pond.
Description
Technical field
The present invention relates to a kind of salt pond, be particularly used for salt pond and using method thereof that Rice Salt alkalescence is identified.
Background technology
" hands has grain, the most flurried ".Ensuring Food Safety is the development of relation Chinese national economy and social stability complete
Office's property Vital Strategic Problems.China's good farmland resource is the most fully excavated at present, and the development and utilization in 500,000,000 mu of salt-soda soils can be greatly
Alleviate the development bottleneck difficult problem that 1,800,000,000 mu of arable land red lines of China cause.But currently mainly utilize betterment of land engineering as the lightest
It is the highest that water improves salt-soda soil cost, but this is less in its feasibility in future that water resource is more and more valuable.Therefore cultivate resistance to
Saline and alkaline crop varieties crop varieties is one of major tasks of current agricultural science and technology, is to ensure that the core that salt-soda soil fully develops
Heart key element,
Oryza sativa L. not only China's staple food crop, is also the pioneer crop of alkaline land improving and utilization, but salt tolerant rice
The difficult problem that kind is still China or even the whole world faces.Salt alkaline tolerance rice breed of variety aspect, the most all has been reported.Angstrom
And salt water lake phragmites communis is tested with paddy rice cross breeding, Philippine is by the salt-resistance strain cross experiment of 2 different parents, and India is by Rhizophora apiculata Blume
In the existing rice strain of gene insertion that extracts, but the most do not obtain the biggest effect.In China, rice breeding man is carried out always
The cultivation of salt alkaline tolerance rice, and achieve certain achievement, as academy of agricultural sciences of Jiangsu Province and the Littoral Jiangsu Province institute of agricultural sciences cultivate
Salt tolerant rice kind " salt rice 10 " and " salt rice 12 ", Hainan and the salt tolerant rice of Hunan two province expert's joint study " extra large Hunan 03 ".
Although having certain popularizing area, but its salt resistance ability relatively low (less than 3 ‰ salinity), moderate, severe salt can not be met far away
The needs of alkali ground modified utilization.
One bottleneck problem of restriction salt alkaline tolerance rice breed of variety is the authentication method of Rice Salt alkalescence.In recent years
Coming, the agent of coercing of relevant Rice Salt/alkalescence institute is mostly NaCl solution and Na2CO3 solution, and saline and alkaline in production
The soil types that the soil in rice district mostly is salt and alkali is laid equal stress on, shows, with single saline solution or base extraction, the material that Salt And Alkali Tolerance character is good
The rice workspace laid equal stress at land for growing field crops salt/alkali may not show stronger Salt And Alkali Tolerance ability and adaptability, thus utilize single salt or
Alkali the selection result can not really be used for Rice Salt breeding.Additionally, the reaction of salt stress is also had by Oryza sativa L. in the different bearing stage
Significantly difference, as more blunt to Saline Alkali Stress in fertility early stage, and it is more sensitive to coercing to give birth to middle and late stage.
Summary of the invention
It is an object of the invention to provide the salt pond and using method thereof identified for Rice Salt alkalescence, this salt pond is used for
Identify the Oryza sativa L. natural salt alkaline earth in different salinity, the Salt And Alkali Tolerance ability of different developmental phases, improve what Rice Salt alkali was identified
Accuracy.
The present invention solves its technical problem and is adopted the technical scheme that: for Rice Salt alkalescence identify salt pond and
Using method, its structure includes salt pond matrix, is sequentially provided with arable layer, metalling and medium sand from top to bottom in the matrix of described salt pond
Layer, be provided with between described arable layer and metalling support arable layer drainage screen, be provided with soakaway trench in described middle layer of sand, described in ooze
One end of water pipe is connected with the discharge outlet outside the matrix of salt pond, and described soakaway trench is uniformly provided with several water seepage holes, described in ooze
Water pipe outer wrap prevent fine sand enter water seepage hole blocking water seepage hole non-woven fabrics, the side on matrix top, described salt pond be provided with into
The mouth of a river, the opposite side on corresponding matrix top, salt pond is provided with outlet.
Further, described salt pond matrix is constituted by four layers, is followed successively by cement mortar protective course, waterproof layer, whole from top to bottom
The concrete layer that body pours and ash soil layer, be provided with reinforcing bar in described concrete layer.
Further, the height of described arable layer is 350mm, and the height of described metalling is 100mm, the height of described middle layer of sand
Degree is 120mm.
Further, the height of described cement mortar protective course is 20mm, and described concrete layer height is 100mm, described ash
Soil layer height is 150mm.
Comprise the following steps:
(1) different salinity is saline and alkaline waters the acquisition poured water: adds saline groundwater in adjusting salt pond, is subsequently adding tap water and carries out
Dilution, is adding the salinity measuring saline while tap water until salinity needed for Huo get ing；
(2) preparation of rice material
A, seedling raising method: by rice paddy seed sterilization and seed soaking, accelerating germination at 30 DEG C, after seed breaks breast, sowing is without the saline and alkaline side of body
Compel seedling-cultivation plate seedling or the seedling of seedling field, after 30 days, rice transplanting in without the salt pond of salinity, after returning Seedling, water different salinity
Water；
B, direct sowing method: by rice paddy seed sterilization and seed soaking, accelerating germination at 30 DEG C, after seed breaks breast, drilling is without salinity
In salt pond, the water of pouring different salinity；
(3) salt pond rice transplanting or management after planting: utilize the water pouring salt pond adjusting different salinity in salt pond, at soil layer
Top keeps the 2cm water surface, during whole test processes, observes water level the most every other day, measures the salinity of upper water with salinometer, logical
Cross and add fresh water and make salinity be maintained at set salinity, every 15 days, by following outlet draining, then rejoin institute
Set salinity water, fertilising, disease pest and weed preventing and treating identical with the plantation of conventional rice；
(4) evaluation of salt damage: during whole Rice Growing, investigates and records the perniciousness harm of plant leaf and tiller
Symptom, and measure average dead leaf rate and perniciousness harm index, the period of maturation investigate in units of tillering node and record number of productive ear,
Main spike length, main fringe floret bears, fringe weight, setting percentage, grain weight and yield.
The invention has the beneficial effects as follows:
1, for more indoor Oryza sativa L. Saline alkali tolerance is identified, nature salt-soda soil condition can be simulated in salt pond, is screened by salt pond
To salt alkaline tolerance rice material can be used for improvement and the utilization in salt-soda soil, improve accuracy that Rice Salt alkali identifies and in agriculture
Using value in industry production.
2, for relatively field rice Saline alkali tolerance is identified, identify Oryza sativa L. growing state on different saline and alkalines simultaneously, from
And the salt resistance ability of clear and definite Oryza sativa L..
3, for relatively field rice Saline alkali tolerance is identified, Oryza sativa L. is at different growth and development stages to utilize this device to identify
Saline alkali tolerance, thus from the Salt And Alkali Tolerance ability of whole stage of development overall merit Oryza sativa L..
4, for relatively field rice Saline alkali tolerance is identified, this device is utilized can to overcome the feature pair of land for growing field crops " salt goes " with water
The interference of Salt-Tolerance Identification accuracy, it is ensured that the concordance of paddy growth environment salinity and homogeneity, is greatly improved the essence of screening
Really property and efficiency.
5, this equipment can recycle, it is possible to cost-effective.Utilize salt pond screening salt alkaline tolerance rice to have accurately in a word,
Efficiently, the screening feature such as controlled.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic internal view of salt pond matrix；
Fig. 3 is the schematic diagram of soakaway trench.
In figure:
1 salt pond matrix, 11 cement mortar protective courses, 12 waterproof layers, 13 concrete layers, 14 ash soil layers, 2 arable layers, 3 filters
Net, 4 metallings, layer of sand, 6 soakaway trench, 61 water seepage holes, 62 non-woven fabrics, 7 discharge outlet, 8 water inlets, 9 outlets in 5.
Detailed description of the invention
With reference to Figure of description to the present invention for Rice Salt alkalescence identify salt pond and using method make below
Describe in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, the salt pond identified for Rice Salt alkalescence of the present invention and using method thereof, its knot
Structure includes salt pond matrix 1, is sequentially provided with arable layer 2, metalling 4 and middle layer of sand 5 from top to bottom, with broken in described salt pond matrix 1
Stone can ensure that the saline in arable layer 2 can flow downward vertical, unobstructedly, and the salinity of such arable layer 2 is easier to adjust.
It is provided with the drainage screen 3 supporting arable layer between described arable layer 2 and metalling 4, arable layer can be supported, it is ensured that arable layer 2
Soil will not descend Lou to run off.Being provided with soakaway trench 6 in described middle layer of sand 5, middle layer of sand 5 can protect soakaway trench 6 not ground by metalling
Damaging, one end of described soakaway trench 6 is connected with the discharge outlet 7 outside salt pond matrix 1, and described soakaway trench 6 is uniformly provided with several
Water seepage hole 61, described soakaway trench 6 outer wrap prevents fine sand from entering the non-woven fabrics 62 of water seepage hole blocking water seepage hole, can allow upper strata
Saline enter soakaway trench 6 by water seepage hole 61, discharged by discharge outlet 7.The side on matrix 1 top, described salt pond is provided with into water
Mouth 8, the opposite side on corresponding matrix 1 top, salt pond is provided with outlet 9.
Described salt pond matrix 1 is constituted by four layers, is followed successively by cement mortar protective course 11, waterproof layer 12, entirety from top to bottom
The concrete layer 13 poured and ash soil layer 14, be provided with reinforcing bar in described concrete layer.
The height of described arable layer 2 is 350mm, the soil layer required for the plantation growth of Oryza sativa L..Because Oryza sativa L. is big Tanaka
Growth root system be about 150mm, so arable layer select 350mm, if the thickest, salinity is skewness in whole arable layer
Even (rule of " salt comes with water, and salt goes with water "), thus can not accurately measure the salt tolerance of Oryza sativa L..If this layer is the thinnest, water
The rice later stage easily lodges.The height of described metalling is 100mm, and the height of described middle layer of sand is 120mm.
The height of described cement mortar protective course 11 is 20mm, and described concrete layer 13 height is 100mm, described ash soil layer
14 height are 150mm.
Comprise the following steps:
(1) different salinity is saline and alkaline waters the acquisition poured water: add the saline groundwater of a certain amount of locality in adjusting salt pond, then
The tap water adding different volumes is diluted, and is adding the salinity measuring saline while tap water until salt needed for Huo get ing
Degree；
(2) preparation of rice material
A, seedling raising method: by rice paddy seed sterilization and seed soaking, accelerating germination at 30 DEG C, after seed breaks breast, sowing is without the saline and alkaline side of body
Compel seedling-cultivation plate seedling or the seedling of seedling field, after 30 days, rice transplanting in without the salt pond of salinity, after returning Seedling, water different salinity
Water；
B, direct sowing method: by rice paddy seed sterilization and seed soaking, accelerating germination at 30 DEG C, after seed breaks breast, drilling is without salinity
In salt pond, the water of pouring different salinity；
(3) salt pond rice transplanting or management after planting: utilize the water pouring salt pond adjusting different salinity in salt pond, at soil layer
Top keeps the 2cm water surface, during whole test processes, observes water level the most every other day, measures the salinity of upper water with salinometer, logical
Cross and add fresh water and make salinity be maintained at set salinity, every 15 days, by following outlet draining, then rejoin institute
Set salinity water, fertilising, disease pest and weed preventing and treating identical with the plantation of conventional rice；
(4) evaluation of salt damage: during whole Rice Growing, investigates and records the perniciousness harm of plant leaf and tiller
Symptom, and measure average dead leaf rate and perniciousness harm index, the period of maturation investigate in units of tillering node and record number of productive ear,
Main spike length, main fringe floret bears, fringe weight, setting percentage, grain weight and yield.
Nature salt-soda soil condition can be simulated in salt pond, and the salt alkaline tolerance rice material screened by salt pond can be used for salt-soda soil
Improvement and utilization, improve accuracy and using value in agricultural production that Rice Salt alkali is identified.Relatively field rice
For Salt-Tolerance Identification, qualification Oryza sativa L. growing state on different saline and alkalines simultaneously, thus the salt resistance ability of clear and definite Oryza sativa L..,
Utilize this device can identify the Oryza sativa L. Saline alkali tolerance at different growth and development stages, thus from whole stage of development overall merit water
The Salt And Alkali Tolerance ability of rice.Utilize this device can overcome the feature in land for growing field crops " salt goes with water " that Salt-Tolerance Identification accuracy is done
Disturb, it is ensured that the concordance of paddy growth environment salinity and homogeneity, be greatly improved accuracy and the efficiency of screening.This equipment is permissible
Recycle, it is possible to cost-effective.Salt pond screening salt alkaline tolerance rice is utilized to have the screening features such as accurate, efficient, controlled in a word.
The above, some principles of the present invention that simply explains through diagrams, this specification is not intended to limit to the present invention
In shown described concrete structure and the scope of application, therefore every corresponding amendment being likely utilized and equivalent, all
Belong to the apllied the scope of the claims of the present invention.
In addition to technical characteristic described in description, remaining technical characteristic is all known to a person skilled in the art technology.
Claims (5)
1. the salt pond identified for Rice Salt alkalescence, is characterized in that, including salt pond matrix, in the matrix of described salt pond from top to bottom
It is sequentially provided with arable layer, metalling and middle layer of sand, between described arable layer and metalling, is provided with the drainage screen supporting arable layer, institute
Being provided with soakaway trench in stating layer of sand, one end of described soakaway trench is connected with the discharge outlet outside the matrix of salt pond, on described soakaway trench
Being uniformly provided with several water seepage holes, described soakaway trench outer wrap prevents fine sand from entering the non-woven fabrics of water seepage hole blocking water seepage hole,
The side on matrix top, described salt pond is provided with water inlet, and the opposite side on corresponding matrix top, salt pond is provided with outlet.
The salt pond identified for Rice Salt alkalescence the most according to claim 1, is characterized in that, described salt pond matrix is by four
Layer is constituted, and is followed successively by cement mortar protective course, waterproof layer, the concrete layer of one-piece casting and ash soil layer from top to bottom, described mixed
It is provided with reinforcing bar in solidifying soil layer.
The salt pond identified for Rice Salt alkalescence the most according to claim 1, is characterized in that, the height of described arable layer
For 350mm, the height of described metalling is 100mm, and the height of described middle layer of sand is 120mm.
The salt pond identified for Rice Salt alkalescence the most according to claim 2, is characterized in that, described cement mortar is protected
The height of layer is 20mm, and described concrete layer height is 100mm, and described dirt layer height is 150mm.
5. the salt pond using method identified for Rice Salt alkalescence, is characterized in that, comprise the following steps:
(1) different salinity is saline and alkaline waters the acquisition poured water: adding saline groundwater in adjusting salt pond, the tap water being subsequently adding carries out dilute
Release, adding the salinity measuring saline while tap water until salinity needed for Huo get ing；
(2) preparation of rice material
A, seedling raising method: by rice paddy seed sterilization and seed soaking, accelerating germination at 30 DEG C, after seed breaks breast, sowing is being educated without Saline Alkali Stress
Seedling-cultivation plate or the seedling of seedling field, after 30 days, rice transplanting in without the salt pond of salinity, water the water of different salinity after returning Seedling；
B, direct sowing method: by rice paddy seed sterilization and seed soaking, accelerating germination at 30 DEG C, after seed breaks breast, drilling is in the salt pond without salinity
In, the water of pouring different salinity；
(3) salt pond rice transplanting or management after planting: utilize the water pouring salt pond adjusting different salinity in salt pond, above soil layer
Keep the 2cm water surface, during whole test processes, observe water level the most every other day, measure the salinity of upper water with salinometer, by mending
Adding fresh water makes salinity be maintained at set salinity, every 15 days, by following outlet draining, then rejoins set
Salinity water, fertilising, disease pest and weed preventing and treating identical with the plantation of conventional rice；
(4) evaluation of salt damage: during whole Rice Growing, investigates and records the perniciousness harm disease of plant leaf and tiller
Shape, and measure average dead leaf rate and perniciousness harm index, in units of tillering node, investigate and record number of productive ear, master in the period of maturation
Spike length, main fringe floret bears, fringe weight, setting percentage, grain weight and yield.
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| CN201610815380.3A CN106212141A (en) | 2016-09-09 | 2016-09-09 | The salt pond identified for Rice Salt alkalescence and using method thereof |
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| CN201610815380.3A CN106212141A (en) | 2016-09-09 | 2016-09-09 | The salt pond identified for Rice Salt alkalescence and using method thereof |
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| CN108834796A (en) * | 2018-07-13 | 2018-11-20 | 江苏沿海地区农业科学研究所 | A kind of construction method of rice at whole growth periods Salt-Tolerance Identification culture apparatus and application |
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