CN106105460A - A kind of root control salt method using kieselguhr filter layer and the application in salt-soda soil Chinese small iris is planted thereof - Google Patents
A kind of root control salt method using kieselguhr filter layer and the application in salt-soda soil Chinese small iris is planted thereof Download PDFInfo
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- CN106105460A CN106105460A CN201610499277.2A CN201610499277A CN106105460A CN 106105460 A CN106105460 A CN 106105460A CN 201610499277 A CN201610499277 A CN 201610499277A CN 106105460 A CN106105460 A CN 106105460A
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
The present invention provides a kind of root control salt method using kieselguhr filter layer, and described root control salt method includes laying filter layer step, and described filter layer, including kieselguhr, beech wood activated carbon, melon seed cases activated carbon, rice straw, sandy soil.Beneficial effects of the present invention: the root control salt method containing filter layer that the present invention provides has good improved effect to the physicochemical property of soil in salt-soda soil, after 3 months, the unit weight of the soil in the middle part of Chinese small iris main root is 1.23 1.23 g/cm3, the unit weight of the soil of Chinese small iris main root bottom is 1.24 1.34 g/cm3, soil salt content in the middle part of Chinese small iris main root is 0.12 0.17%, the soil salt content 0.10 0.16% of Chinese small iris main root bottom.
Description
Technical field
The present invention relates to a kind of root control salt method using kieselguhr filter layer and in salt-soda soil Chinese small iris is planted
Application, belongs to agricultural use technical field.
Background technology
Current China water, soil resource owning amount, only can guarantee that 500,000,000 tons of grain production capacity, can not meet far away population day
The great demand that benefit increases.Meanwhile, China's energy scarcity contradiction is increasingly sharp-pointed, and biomass energy development must ensure " grain
Safety " premise.The Coastal beach of nearly more than 4,000 ten thousand mu of all kinds of gross areas that China has at present is the standby soil that China is important
Ground resource, Coastal beach saline-alkali soil develops and is possible not only to provide food source, also can become the important salt-tolerant plants such as the energy
Production carrier.
At present, in terms of utilizing beach saline-alkali ground developing agricultural plantation, how to control crop root zone and do not gather too
Many salinities, maintaining while topsoil soils salt balance saving water resource and promoting soil fertility and become restriction beach area agricultural
The realistic problem of sustainable development.
For the transformation in salt-soda soil, the mankind have done many significant explorations and research, mainly have following several method: 1,
Chemical amendments, i.e. adds substantial amounts of chemical substance, as Gypsum Fibrosum, ardealite, acidic materials and water-retaining agent etc. are changed to salt-soda soil
Learn, to improve the effective ingredient in salt-soda soil；2, biological method, mainly by plantation alkali resistance plant, manually sets up hay
Layer etc.；3, physical method, main by scarifying soil layer, change the physical arrangement of saline and alkaline layer.
The renovation technique in existing salt-soda soil controls crop root zone do not gather too many salinity and have the disadvantage in that
1, poor to the physicochemical property improved effect of soil in salt-soda soil；
2, in soil, salinity can not control very well in the range of plant suitable growth；
3, the concentration regulating effect of ion each to soil in salt-soda soil is poor.
Kieselguhr is a kind of siliceous rock, is a kind of biogenic silicastone, and it is mainly by the something lost of diatom in ancient times
The bones of the body are formed.Its chemical composition is based on SiO2, and available SiO2 nH2O represents, mineralogical composition is opal and mutation thereof.
Mineral chip has quartz, Anhydrite, biotite and organic matter etc..Content of organics is from trace to more than 30%.Diatom
The color of soil is white, canescence, Lycoperdon polymorphum Vitt and terra brown etc., has exquisiteness, loose, light weight, porous, water absorption and permeability strong
Character.
Summary of the invention
The present invention solves the deficiency that prior art exists, it is provided that a kind of root control salt method using kieselguhr filter layer
And the application in salt-soda soil Chinese small iris is planted, to realize following goal of the invention:
(1) physicochemical property of soil in salt-soda soil is had good by the root control salt method containing filter layer that the present invention provides
Improved effect；
(2) salinity in soil can be controlled to fit at long-term cropping by the root control salt method containing filter layer that the present invention provides
In the range of preferably growing；
(3) the root control salt method containing filter layer that the present invention provides has good tune to the concentration of ion each in planting site
Joint effect；
(4) the root control salt method containing filter layer that the present invention provides is without any side effects to long-term cropping plant, safety
High.
For solving above technical problem, the technical solution used in the present invention is as follows:
A kind of root control salt method using kieselguhr filter layer, described root control salt method includes laying filter layer step.
The following is and technique scheme is further defined that
Described filter layer, including kieselguhr, beech wood activated carbon, melon seed cases activated carbon, rice straw, sandy soil.
Described filter layer, in parts by weight, including following components: kieselguhr 50-65 part, beech wood activated carbon 13-18
Part, melon seed cases activated carbon 5-8 part, chitin 4-7 part, PiceameyeriRehd. Et Wils. leaf 8-12 part, Hypocrea virens 0.5-0.8 part, fermentation Canis familiaris L. excrement 4-7
Part, rice straw 5-8 part, sandy soil 8-12 part.
The thickness of described laying filter layer is 23-28cm, and the drainage grade that filter layer is made is 1.2-2.1%.
Described root control salt method also includes excavating salt-soda soil planting site step, and planting soil digs deep 115-130cm.
Described root control salt method also includes flood desalinization of soil by flooding or leaching step, and irrigation quantity is 580-720m3/ hectare, three times flood overflows
After filling, chemical examination of fetching earth, when salinity reaches less than 0.23%, pH value reaches qualified when less than 8.3.
Described root control salt method also includes laying salt discharge layer step, the original soil that backfill 8-17cm is thick.
The application in salt-soda soil Chinese small iris is planted of a kind of root control salt method using kieselguhr filter layer, described root control
In the application of salt method, Chinese small iris is irrigated, and uses amino-enriched salt water, the mode of fresh water rotation flow to irrigate, amino-enriched salt water,
Fresh water rotation flow number of times ratio for 3:5, is irrigated once for every 13-17 days, and each irrigation volume is 390-460m3/ hectare.
The described component including following weight portion containing amino acid whose fertilizer: described include following weight portion containing amino acid whose fertilizer
Component: aminoacid 4-10 part, ammonium polyphosphate 3-8 part, potassic-magnesian fertilizer 2-5 part, chelated iron 2-3 part, indolebutyric acid 2-3 part, paclobutrazol
1-2 part；
Described aminoacid is aspartic acid and hydroxyproline, and both mass ratioes are 7:8.
Described salt water: salinity be 2.2-2.7g/L, pH be 7.8-8.1, salinity is 0.07-0.12%, sodium salt content
Account for the 51-62% of total salt content.
Use above technical scheme, the invention have the benefit that
1, the physicochemical property of soil in salt-soda soil is had good by the root control salt method containing filter layer that the present invention provides
Improved effect.
After 3 months, the unit weight of the soil in the middle part of Chinese small iris main root is 1.23-1.23 g/cm3, the soil of Chinese small iris main root bottom
Unit weight be 1.24-1.34 g/cm3, the soil salt content in the middle part of Chinese small iris main root is 0.12-0.17%, the soil of Chinese small iris main root bottom
Earth salinity 0.10-0.16%.
After using the root control salt method containing filter layer, soil becomes loose, and soil stores appearance ability and becomes big, contains in soil
Salt amount can control in the range of Chinese small iris suitable growth.
2, the root control salt method containing filter layer that the present invention provides, in planting site, the concentration of each ion has good tune
Joint effect.
After 3 months, the content of the soil Na+ in the middle part of Chinese small iris main root is 0.57-0.63g/kg, the soil of Chinese small iris main root bottom
The content 0.52-0.60g/kg of Na+, the content 0.65-0.71g/kg of the soil Cl-in the middle part of Chinese small iris main root, Chinese small iris main root bottom
The content 0.63-0.72g/kg of soil Cl-, greatly reduce salinity accumulation in soil.
3, to contain the root control salt method of filter layer without any side effects to Chinese small iris plant for the present invention, and safety is high, also takes
Beyond thought effect, the survival rate of Chinese small iris, the colored base of a fruit height of Chinese small iris, the effect of being significantly improved of the weight of chinensis seed,
The survival rate 98.3%～99.5% of Chinese small iris, colored base of a fruit height 25cm～32cm of Chinese small iris, the colored base of a fruit height of Chinese small iris improves 10-15%,
Weight 25g of thousand seeds of Chinese small iris～30g, the weight of thousand seeds of Chinese small iris improves 12-17%.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1 one kinds uses the root control salt method of kieselguhr filter layer
The selection in step 1 salt-soda soil
In the salt-soda soil selected, the moisture content of soil is 13.7-16.8%, and the total porosity of soil is 36.2-42.3%, soil
PH value is 8.1-9.2, and the salinity of soil is 0.54～0.67%, and the unit weight of soil is 1.35～1.48g/cm3, Cl-Content
For 3.12g/kg, Na+Content be 1.95g/kg.
Step 2 excavates salt-soda soil planting site
Planting soil digs deep 115cm, and bottom is compacted, and antiseepage film is laid in bottom, around makees waterproof retaining wall.
Step 3 lays salt discharge layer
Burying hidden pipe bottom the planting site excavated underground, hidden pipe uses diameter 110PVC punching corrugated tube, and outsourcing sand filtering material thickness is not
Less than 8 centimetres, ratio fall 0.5 ‰, longitudinal pitch is 6 meters；Collector pipe uses diameter 200PVC punching corrugated tube, and horizontal spacing is
400 meters, than fall 2 ‰；At transversely hidden pipe, setting up an inspection shaft, inspection shaft diameter 1 meter every 200 meters, each inspection shaft leads to
Crossing collector pipe and be connected to sump, sump specification is 2.5 meters × 2 meters × 3.5 meters, and installing submersible pump in well, if automatically controlling
Dress, after water level reaches to a certain degree, the automatic water lift of immersible pump, then thick for backfill 8cm original soil.
Step 4 lays filter layer
Laying the thick filter layer of 23cm on salt discharge layer, for keeping soil to have good drainage water penetration, filter layer should
Make the drainage grade of 1.2%, and to the inclined position of salt discharging pipe.
Described filter layer, the mass percent of each raw material components is:
50 parts of kieselguhr, beech wood activated carbon 13 parts, melon seed cases activated carbon 5 parts, chitin 4 parts, 8 parts of PiceameyeriRehd. Et Wils. leaf, green wood
0.5 part of mycete, fermentation 4 parts of Canis familiaris L. excrement, rice straw 5 parts, sandy soil 8 parts.
Described Hypocrea virens uses existing product on market, and its bacterial strain deposit number is ATCC26802.
During use, by each raw material components mix homogeneously.
Step 5 backfills original soil
The thick Caulis et Folium Oryzae of 5cm is laid, it is desirable to after bedding terminates, expose phenomenon, and grass layer thickness without stone layer on the top of filter layer
Uniformly, original soil is then backfilled.
During backfill original soil, excavator, it is noted that put down gently, first spreads the soil layer of 20cm-25cm, by straw layer gland, it is ensured that antiseepage
Layer intact, be further continued for backfilling, until fill stratum exceeds pool wall about 5-8cm.
The step 6 flood desalinization of soil by flooding or leaching
Soil after backfill is carried out whole furrow, smooth in keeping furrow, at upper applying fertilizer and soil conditioner, enter the most continuously
Three broad irrigation of row, carry out the desalinization of soil by flooding or leaching, and time interval is dry for mark of pouring water next time with earth's surface, and irrigation quantity is 580-720m3/
Hectare, after three times broad irrigation, chemical examination of fetching earth, when salinity reaches less than 0.23%, and pH value reaches less than 8.3, it is considered as closing
Lattice.
Embodiment 2 one kinds uses the root control salt method of kieselguhr filter layer
The selection in step 1 salt-soda soil
In the salt-soda soil selected, the moisture content of soil is 13.7-16.8%, and the total porosity of soil is 36.2-42.3%, soil
PH value is 8.1-9.2, and the salinity of soil is 0.54～0.67%, and the unit weight of soil is 1.35～1.48g/cm3, Cl-Content
For 3.12g/kg, Na+Content be 1.95g/kg.
Step 2 excavates salt-soda soil planting site
Planting soil digs deep 120cm, and bottom is compacted, and antiseepage film is laid in bottom, around makees waterproof retaining wall.
Step 3 lays salt discharge layer
Burying hidden pipe bottom the planting site excavated underground, hidden pipe uses diameter 110PVC punching corrugated tube, and outsourcing sand filtering material thickness is not
Less than 8 centimetres, ratio fall 0.5 ‰, longitudinal pitch is 6 meters；Collector pipe uses diameter 200PVC punching corrugated tube, and horizontal spacing is
400 meters, than fall 2 ‰；At transversely hidden pipe, setting up an inspection shaft, inspection shaft diameter 1 meter every 200 meters, each inspection shaft leads to
Crossing collector pipe and be connected to sump, sump specification is 2.5 meters × 2 meters × 3.5 meters, and installing submersible pump in well, if automatically controlling
Dress, after water level reaches to a certain degree, the automatic water lift of immersible pump, then thick for backfill 12cm original soil.
Step 4 lays filter layer
Laying the thick filter layer of 26cm on salt discharge layer, for keeping soil to have good drainage water penetration, filter layer should
Make the drainage grade of 1.6%, and to the inclined position of salt discharging pipe.
Described filter layer, the mass percent of each raw material components is:
56 parts of kieselguhr, beech wood activated carbon 15 parts, melon seed cases activated carbon 6 parts, chitin 5 parts, 10 parts of PiceameyeriRehd. Et Wils. leaf, green wood
0.6 part of mycete, fermentation 5 parts of Canis familiaris L. excrement, rice straw 6 parts, sandy soil 10 parts.
Described Hypocrea virens uses existing product on market, and its bacterial strain deposit number is ATCC26802.
During use, by each raw material components mix homogeneously.
Step 5 backfills original soil
The thick Caulis et Folium Oryzae of 5cm is laid, it is desirable to after bedding terminates, expose phenomenon, and grass layer thickness without stone layer on the top of filter layer
Uniformly, original soil is then backfilled.
During backfill original soil, excavator, it is noted that put down gently, first spreads the soil layer of 20cm-25cm, by straw layer gland, it is ensured that antiseepage
Layer intact, be further continued for backfilling, until fill stratum exceeds pool wall about 5-8cm.
The step 6 flood desalinization of soil by flooding or leaching
Soil after backfill is carried out whole furrow, smooth in keeping furrow, at upper applying fertilizer and soil conditioner, enter the most continuously
Three broad irrigation of row, carry out the desalinization of soil by flooding or leaching, and time interval is dry for mark of pouring water next time with earth's surface, and irrigation quantity is 580-720m3/
Hectare, after three times broad irrigation, chemical examination of fetching earth, when salinity reaches less than 0.23%, and pH value reaches less than 8.3, it is considered as closing
Lattice.
Embodiment 3 one kinds uses the root control salt method of kieselguhr filter layer
The selection in step 1 salt-soda soil
In the salt-soda soil selected, the moisture content of soil is 13.7-16.8%, and the total porosity of soil is 36.2-42.3%, soil
PH value is 8.1-9.2, and the salinity of soil is 0.54～0.67%, and the unit weight of soil is 1.35～1.48g/cm3, Cl-Content
For 3.12g/kg, Na+Content be 1.95g/kg.
Step 2 excavates salt-soda soil planting site
Planting soil digs deep 130cm, and bottom is compacted, and antiseepage film is laid in bottom, around makees waterproof retaining wall.
Step 3 lays salt discharge layer
Burying hidden pipe bottom the planting site excavated underground, hidden pipe uses diameter 110PVC punching corrugated tube, and outsourcing sand filtering material thickness is not
Less than 8 centimetres, ratio fall 0.5 ‰, longitudinal pitch is 6 meters；Collector pipe uses diameter 200PVC punching corrugated tube, and horizontal spacing is
400 meters, than fall 2 ‰；At transversely hidden pipe, setting up an inspection shaft, inspection shaft diameter 1 meter every 200 meters, each inspection shaft leads to
Crossing collector pipe and be connected to sump, sump specification is 2.5 meters × 2 meters × 3.5 meters, and installing submersible pump in well, if automatically controlling
Dress, after water level reaches to a certain degree, the automatic water lift of immersible pump, then thick for backfill 17cm original soil.
Step 4 lays filter layer
Laying the thick filter layer of 28cm on salt discharge layer, for keeping soil to have good drainage water penetration, filter layer should
Make the drainage grade of 2.1%, and to the inclined position of salt discharging pipe.
Described filter layer, the mass percent of each raw material components is:
65 parts of kieselguhr, beech wood activated carbon 18 parts, melon seed cases activated carbon 8 parts, chitin 7 parts, 12 parts of PiceameyeriRehd. Et Wils. leaf, green wood
0.8 part of mycete, fermentation 7 parts of Canis familiaris L. excrement, rice straw 8 parts, sandy soil 12 parts.
Described Hypocrea virens uses existing product on market, and its bacterial strain deposit number is ATCC26802.
During use, by each raw material components mix homogeneously.
Step 5 backfills original soil
The thick Caulis et Folium Oryzae of 5cm is laid, it is desirable to after bedding terminates, expose phenomenon, and grass layer thickness without stone layer on the top of filter layer
Uniformly, original soil is then backfilled.
During backfill original soil, excavator, it is noted that put down gently, first spreads the soil layer of 20cm-25cm, by straw layer gland, it is ensured that antiseepage
Layer intact, be further continued for backfilling, until fill stratum exceeds pool wall about 5-8cm.
The step 6 flood desalinization of soil by flooding or leaching
Soil after backfill is carried out whole furrow, smooth in keeping furrow, at upper applying fertilizer and soil conditioner, enter the most continuously
Three broad irrigation of row, carry out the desalinization of soil by flooding or leaching, and time interval is dry for mark of pouring water next time with earth's surface, and irrigation quantity is 580-720m3/
Hectare, after three times broad irrigation, chemical examination of fetching earth, when salinity reaches less than 0.23%, and pH value reaches less than 8.3, it is considered as closing
Lattice.
Embodiment 4 one kinds uses the root control salt method of kieselguhr filter layer to apply in Chinese small iris planting site
1, presprouting of seeds
Accelerating germination is to be carried out greenly by one of committed step of planting by chinensis seed sexual propagation；To the wild Chinese small iris gathered
Seed carries out accelerating germination through 18.4mol/L concentrated sulfuric acid solution immersion treatment, can abolish seed strong, improves germination percentage and emergence rate,
Its germination percentage averagely improves 40-50%.
2, nursery
Setting up seedling bed, tile on smooth good seedling bed the mixed-matrix prepared, and described substrate is by farmland fine earth and fine sand
In 2:1 ratio mix homogeneously, through disinfecting, water content is 30-35%.
Carry out sowing seeds on seedbed nursery, and seed is the seed after step 2 accelerating germination processes, and every seed spacing 10cm is spread
One layer of fine earth is covered after good seed；When soil is half-dried, feedwater of spraying in time, it is ensured that soil is moist.
3, wholely
According to the root control salt method described in embodiment 1-3, planting site is processed, lay filter layer, then plant.
4, plantation
March plants, and selects the Chinese small iris Seedling that high-quality is healthy, the plant deinsectization liquid medicine that spray painting diluted.
Having ditched furrow, every furrow are wide 1.8 meters, open a wide 20cm, the irrigation ditch of deep 20cm, open width between two furrow in the middle of furrow
40cm, the gutter of deep 30cm, every furrow can plant 4 row Chinese small iris Seedlings, spacing about 40cm.
After planting well, soil blank between furrow is sprayed herbicide, to reduce the impact that Chinese small iris is grown by Weeds at seedling.
5, irrigate
Irrigate after seedling growth: use amino-enriched salt water, the mode of fresh water rotation flow to irrigate, amino-enriched salt water, fresh water
Rotation flow number of times ratio for 3:5, is irrigated once for every 13-17 days, and each irrigation volume is 390-460m3/ hectare.
Take and be dissolved in 1000L salt water containing amino acid whose fertile 6.8-7.4kg, mix homogeneously, prepare amino-enriched salt water；
The described component including following weight portion containing amino acid whose fertilizer: aminoacid 4-10 part, ammonium polyphosphate 3-8 part, potassic-magnesian fertilizer 2-5
Part, chelated iron 2-3 part, indolebutyric acid 2-3 part, paclobutrazol 1-2 part；
Described aminoacid is aspartic acid and hydroxyproline, and both mass ratioes are 7:8；
Described salt water: salinity be 2.2-2.7g/L, pH be 7.8-8.1, salinity is 0.07-0.12%, and sodium salt content accounts for always
The 51-62% of salt content.
6, management
Late April begins to spend, and mid-May, mid-June was spent eventually, and early November is withered and yellow, and the green phase is up to entering full-bloom stage by the end of May
More than 290d；Chinese small iris color and luster is dark green, spends simple and elegant beauty, nectar delicate fragrance, and the florescence is up to more than 55 days.
The prevention and control of plant diseases, pest control to be carried out in addition to removing weeds, sprays 1:2:200 Bordeaux mixture, 70% thiophanate methyl 1000
Times liquid etc., prevents and treats multiple pest and disease damage.
7, gather
Flos Iridis Chinensis: Post flowering is selected fine day and plucked, and dries in the shade or dries；
Semen Iridis: 8～during JIUYUE fruit maturation, cuts off fruit ear, dries, beat and take seed, remove impurity；
Radix Iridis Chinensis, leaf: 8～JIUYUE gather, dry.
Result of the test:
(1) physicochemical property of soil in salt-soda soil is had good by the root control salt method containing filter layer that the present invention provides
Improved effect.
After 3 months, the unit weight of the soil in the middle part of Chinese small iris main root is 1.23-1.23 g/cm3, the soil of Chinese small iris main root bottom
Unit weight be 1.24-1.34 g/cm3, the soil salt content in the middle part of Chinese small iris main root is 0.12-0.17%, the soil of Chinese small iris main root bottom
Earth salinity 0.10-0.16%.
After illustrating to use the root control salt method containing filter layer, soil becomes loose, and soil stores appearance ability and becomes big, soil
Middle salinity can control in the range of Chinese small iris suitable growth.
The root control salt method containing filter layer that table 1 present invention provides is to the changing of the physicochemical property of soil in salt-soda soil
Good effect
(2) the root control salt method containing filter layer that the present invention provides, in planting site, the concentration of each ion has good regulation
Effect.
Soil Na after 3 months, in the middle part of Chinese small iris main root+Content be 0.57-0.63g/kg, the soil of Chinese small iris main root bottom
Na+Content 0.52-0.60g/kg, the soil Cl in the middle part of Chinese small iris main root-Content 0.65-0.71g/kg, Chinese small iris main root bottom
Soil Cl-Content 0.63-0.72g/kg, greatly reduce salinity accumulation in soil, specific targets are shown in Table 2.
The concentration of the ion in Chinese small iris planting site after the control salt method use of the filter layer that table 2 present invention provides
(3) to contain the root control salt method of filter layer without any side effects to Chinese small iris plant for the present invention, and safety is high, also obtains meaning
Unimaginable effect, the survival rate of Chinese small iris, the colored base of a fruit height of Chinese small iris, the effect of being significantly improved of the weight of chinensis seed, Chinese small iris
Survival rate 98.3%～99.5%, colored base of a fruit height 25cm～32cm of Chinese small iris, the colored base of a fruit height of Chinese small iris improves 10-15%, Chinese small iris
Weight 25g of thousand seeds～30g, the weight of thousand seeds of Chinese small iris improves 12-17%, is specifically shown in Table 3.
The survival rate of table 3 Chinese small iris, the colored base of a fruit height of Chinese small iris and the weight of thousand seeds of Chinese small iris
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although
Being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still can be right
Technical scheme described in foregoing embodiments is modified, or wherein portion of techniques feature is carried out equivalent.All
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. the root control salt method using kieselguhr filter layer, it is characterised in that: described root control salt method includes laying
Filter layer step.
A kind of root control salt method using kieselguhr filter layer the most according to claim 1, it is characterised in that ooze described in:
Filtering layer, including kieselguhr, beech wood activated carbon, melon seed cases activated carbon, rice straw, sandy soil.
A kind of root control salt method using kieselguhr filter layer the most according to claim 2, it is characterised in that ooze described in:
Filtering layer, in parts by weight, including following components: kieselguhr 50-65 part, beech wood activated carbon 13-18 part, melon seed cases activity
Charcoal 5-8 part, chitin 4-7 part, PiceameyeriRehd. Et Wils. leaf 8-12 part, Hypocrea virens 0.5-0.8 part, fermentation Canis familiaris L. excrement 4-7 part, rice straw 5-
8 parts, sandy soil 8-12 part.
A kind of root control salt method using kieselguhr filter layer the most according to claim 2, it is characterised in that: described paving
If the thickness of filter layer is 23-28cm, the drainage grade that filter layer is made is 1.2-2.1%.
A kind of root control salt method using kieselguhr filter layer the most according to claim 2, it is characterised in that: described
Control salt method in portion's also includes excavating salt-soda soil planting site step, and planting soil digs deep 115-130cm.
A kind of root control salt method using kieselguhr filter layer the most according to claim 1, it is characterised in that: described
Portion's control salt method also includes flood desalinization of soil by flooding or leaching step, and irrigation quantity is 580-720m3/ hectare, after three times broad irrigation, chemical examination of fetching earth,
When salinity reaches less than 0.23%, pH value reaches qualified when less than 8.3.
A kind of root control salt method using kieselguhr filter layer the most according to claim 2, it is characterised in that: described
Control salt method in portion's also includes laying salt discharge layer step, the original soil that backfill 8-17cm is thick.
8. one kind uses the application in salt-soda soil Chinese small iris is planted of the root control salt method of kieselguhr filter layer, it is characterised in that:
In the application of described root control salt method, Chinese small iris is irrigated, and uses amino-enriched salt water, the mode of fresh water rotation flow to irrigate, rich amino
The salt water of acid, fresh water rotation flow number of times ratio for 3:5, is irrigated once for every 13-17 days, and each irrigation volume is 390-460m3/ hectare.
A kind of root control salt method using kieselguhr filter layer the most according to claim 8 is in salt-soda soil Chinese small iris is planted
Application, it is characterised in that: the described component including following weight portion containing amino acid whose fertilizer: described containing amino acid whose fertilizer include with
The component of lower weight portion: aminoacid 4-10 part, ammonium polyphosphate 3-8 part, potassic-magnesian fertilizer 2-5 part, chelated iron 2-3 part, indolebutyric acid 2-3
Part, paclobutrazol 1-2 part；
Described aminoacid is aspartic acid and hydroxyproline, and both mass ratioes are 7:8.
A kind of root control salt method using kieselguhr filter layer the most according to claim 8 is planted salt-soda soil Chinese small iris
In application, it is characterised in that: described salt water: salinity be 2.2-2.7g/L, pH be 7.8-8.1, salinity is 0.07-
0.12%, sodium salt content accounts for the 51-62% of total salt content.
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