CN108834464A - The fixed implant system in the salt-soda soil that straw sand interlayer is horizontally staggered and method - Google Patents
The fixed implant system in the salt-soda soil that straw sand interlayer is horizontally staggered and method Download PDFInfo
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- CN108834464A CN108834464A CN201810765949.9A CN201810765949A CN108834464A CN 108834464 A CN108834464 A CN 108834464A CN 201810765949 A CN201810765949 A CN 201810765949A CN 108834464 A CN108834464 A CN 108834464A
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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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0262—Mulches, i.e. covering material not-pre-formed in mats or sheets
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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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
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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
Abstract
The fixed implant system in salt-soda soil and method being horizontally staggered the invention discloses straw sand interlayer.The fixed implant system in the salt-soda soil that straw sand interlayer provided by the present invention is horizontally staggered, from earth's surface (1) from top to bottom successively comprising the first soil horizon (3), straw sand interlayer and the second soil horizon (6)；The straw sand interlayer is alternately arranged and is formed by stalk interlayer (4) and sand interlayer (5) level；Mulch (2) are covered corresponding to the position of the stalk interlayer (4) on the earth's surface (1)；Layer of sand (7) are covered corresponding to the position of the sand interlayer (5) on the earth's surface (1)；The thickness of the stalk interlayer (4) and the sand interlayer (5) is 3~5cm, ground mulching layer of sand with a thickness of 2~3cm；First soil horizon (3) with a thickness of 35~40cm.The fixed implant system in salt-soda soil of control salt, soil moisture conservation, fertilizing volume increase can be integrated with reinforcing straw layer every salt tolerance effects the present invention provides a kind of.
Description
Technical field
The present invention relates to soil cultivation technology fields, and in particular to the salt-soda soil fixed race that straw sand interlayer is horizontally staggered
Plant system and method.
Background technique
The salinization of soil is a global environmental problem.According to incompletely statistics, whole world salinized soil area about nearly 10
Hundred million hectares.China is more serious one of the country of the salinization of soil, about 100,000,000 hectares of the gross area, is mainly distributed on northeast, China
North and Northwest inland area.Due to the needs of China human mortality rapid growth and national economy high speed development, construction land is increased sharply
Contradiction between cultivated land protection becomes increasingly conspicuous, in order to alleviate this conflict, it would be desirable to improve existing fertility or open
Cultivate new soil.Salt-soda soil is a kind of potential land resource, still has 80% or so salinized soil not to be utilized at present, if energy
It is reasonably developed and utilized, huge ecology and economic benefit can be brought.
Currently used alkaline land improving measure mainly includes four classes：1. engineering ameliorative measure：As bored well of pouring water, building platform
Field, embedded hidden pipe etc..2. agronomy ameliorative measure：It is built upon on the moisture and salt regime regular basis of " salt comes with water, and salt is gone with water "
, by different agronomy tillage methods, inhibiting or reduce the evaporation of soil moisture, the table for mitigating salinity is poly-, desalinate arable layer, into
And achieve the purpose that improvement.It mainly includes reasonable farming and cultivation technique, passes through the fields such as turn over, rake the soil level, suppress, intertill
Good soll layer structure is created in operation, promotes desalination；By measures such as Rational Irrigation, fertilising and ground mulchings, increase soil
Earth soil moisture content inhibits salt accumulation in surface soil, adjusts the hot situation of soil water fat gas, creates good soil environment for high crop yield.3. biology
Ameliorative measure：The selection of salt-tolerant plant is the premise of salt-soda soil biological modification, cultivates and plantation salt-tolerant plant changes salt-soda soil
Good utilization is particularly important.4. chemical modifying measure：It is the method that saline-alkali soil physicochemical property is improved using acid-base neutralization principle.Its
In terms of effect is mainly manifested in following two：First is that improving soil texture, the ability of saline-alkali soil salt discharge drop stain is improved；Second is that increasing
Base exchange adjusts soil acidity or alkalinity.Above method respectively has advantage and disadvantage：Engineering measure project amount is big, and investment is high, increases agricultural
Production cost；There are the potential dangers of the accumulation of salt in the surface soil for agronomic measures；Biological control measure is practical and most ecological benefits and economic benefit,
Technology is quickly grown；Chemical modifying measure is palliative, and improper use easily causes secondary pollution.
In existing alkaline land improving technology, " the salt-soda soil suppression control application No. is 201110320898.7 disclosure of the invention
Salt method and salt-soda soil suppression control salt system ", including mulch and buried stalk layer, using covering with ground sheeting and the buried phase of stalk
In conjunction with method, by earth's surface covering with ground sheeting reach inhibit soil salt to upper soll layer assemble, pass through crop root dense layer
Below be laid with suppression control salt separation layer reach inhibit lower soil salinity rise and accelerate crop root dense layer soil salt to
The purpose of lower elution.But this control salt method due between film earth's surface it is exposed and cause its salt accumulation in surface soil phenomenon serious and buried
Stalk with the time limit growth can decomposition, so its improve salt-soda soil effect it is very limited, generally only maintain 3 years.
Summary of the invention
In order to make up the deficiency in the above field, reduce film spacing earth's surface salt accumulation in surface soil and reinforcing straw layer every suppression salt effect
Fruit can integrate the salt of control salt, soil moisture conservation, fertilizing volume increase with reinforcing straw layer every salt tolerance effects the present invention provides a kind of
Fix implant system to alkali.
It is an object of the present invention to provide the fixed implant systems in salt-soda soil.
The fixed implant system in salt-soda soil provided by the present invention, from earth's surface 1 from top to bottom successively comprising the first soil horizon 3,
Straw sand interlayer and the second soil horizon 6；The straw sand interlayer is alternately arranged and is formed by stalk interlayer 4 and 5 level of sand interlayer；Describedly
Mulch 2 is covered corresponding to the position of the stalk interlayer 4 on table 1；It covers position in the earth's surface 1 corresponding to the sand interlayer 5
Lid layer of sand 7；The thickness of the stalk interlayer 4 and the sand interlayer 5 is 3~5cm, the earth's surface 1 cover layer of sand with a thickness of 2
~3cm；First soil horizon 3 with a thickness of 35~40cm；Long-term cropping in the mulch 2.
The width of the stalk interlayer is 40~45cm, and the width of the sand interlayer 5 is 75-80cm.
The width that mulch 2 is covered in the earth's surface 1 is 40~45cm, and the spacing between the mulch 2 is 75-80cm.
The stalk interlayer 4 is laid with by the stalk that length is 5~10cm.
The sand interlayer 5 is laid with by the coarse sand that partial size is 0.5~2mm.
Long-term cropping is punched on the mulch 2.
Long-term cropping is fixed in the mulch 2；Layer of sand 7 between the mulch 2 is only used as without any cultivating treatment
The fixation lane of farm work.
The crop is food certain herbaceous plants with big flowers.
First soil horizon 3 and the second soil horizon 6 are alkaline land soil.
It is a further object to provide salt-soda soil suppression control salt methods.
The fixed implantation methods in salt-soda soil provided by the present invention, include the following steps：
(1) after crop harvest, crop material is laid on to the earth's surface for needing to cover the mulch, while between the mulch
It is laid with coarse sand in exposed earth's surface, then successively turns over to bury the stalk, the coarse sand and distinguishes shape under earth's surface at 35~40cm
At stalk interlayer and sand interlayer, the stalk interlayer and the sand compartment thickness are 3~5cm after compacting, and subsequent flood is irrigated
Press salt；
(2) it before long-term cropping, carries out irrigating pressure salt, sows the preceding covering film in the earth's surface above the stalk interlayer,
Layer of sand is covered in earth's surface above the sand interlayer, 2~3cm of thickness punches sowing crop in the mulch film surface；
(3) crop material is laid on to the earth's surface of the covering with ground sheeting, then turns over and has buried after annual crop harvest later
35~40cm under the earth's surface of the covering with ground sheeting, and earth's surface exposed between mulch no longer carries out at any farming after being laid with layer of sand
Reason, is only used as the fixation lane of farm work.
The crop is food certain herbaceous plants with big flowers；
The width of the stalk interlayer is 40~45cm, and the width of the sand interlayer is 75~80cm；
The stalk interlayer is laid with by the stalk that length is 5~10cm；
The sand interlayer is laid with by the coarse sand that partial size is 0.5~2mm.
The fixed implant system in the salt-soda soil that straw sand interlayer provided by the present invention is horizontally staggered, it is advantageous that：
(1) presence of stalk interlayer slows down Infiltration, while having cut off the continuity of soil capillary, forms soil
Capillary moves up barrier layer, so that salinity in subsoil and underground water be inhibited to move up with the evaporation of moisture；
(2) covering mulch makes the contact surface of native table and air become smaller, and reduces surface soil water potential evaporation, whole table
Layer soil moisture content transformation is gentle, and soil water potential is relatively stable, is evaporated and is reduced due to surface layer, so that deep soil and topsoil
Flow of water difference is reduced, and reduces the ability that moisture is migrated to surface layer, so that deep soil salinity subtracts significantly a possibility that migration to surface layer
It is few；
(3) coarse sand interlayer can be such that bare area soil moisture reduction between mulch infiltrates, and promote salt leaching, thick in conjunction with ground mulching
Layer of sand further suppresses salinity and moves upwards；
(4) stalk harvested every year forms interlayer in same position returning to the field, and it is organic to can increase soil after the continuous decomposition of stalk
Matter is increase soil fertility, and non-capillary pores quantity is increased, and abolishes soil hardening layer, improves soil texture, improves soil pair
The resiliency of salt dynamics.
Detailed description of the invention
Implant system schematic diagram is fixed in the salt-soda soil Fig. 1；
Wherein, 1- earth's surface, 2- mulch, the first soil horizon of 3-, 4- stalk interlayer, 5- sand interlayer, the second soil horizon of 6-, 7- sand
Layer.
Specific embodiment
Embodiment 1, the fixed implant system in salt-soda soil
One, the structure for the salt-soda soil implant system that straw sand interlayer is horizontally staggered is as follows：
The fixed implant system in salt-soda soil that straw sand interlayer provided by the present invention is horizontally staggered, from earth's surface 1 from upper
Under successively include the first soil horizon 3, straw sand interlayer and the second soil horizon 6；The straw sand interlayer is by stalk interlayer 4 and sand interlayer 5
Level is alternately arranged composition；Mulch 2 is covered corresponding to the position of the stalk interlayer 4 in the earth's surface 1；It is right in the earth's surface 1
The position of sand interlayer 5 described in Ying Yu covers layer of sand 7；The thickness of the stalk interlayer 4 and the sand interlayer 5 is 3cm, earth's surface 1
Cover layer of sand with a thickness of 2cm；First soil horizon 3 with a thickness of 35cm；Long-term cropping in mulch 2.The stalk interlayer
Width be 40cm, the width of the sand interlayer 5 is 75cm.The width of the mulch 2 covered in the earth's surface 1 is 40cm, described
Spacing between mulch is 75cm.The stalk interlayer 4 is laid with by the stalk that length is 5cm.The sand interlayer 5 is by grain
Diameter is that the coarse sand of 0.5~2mm is laid with.Long-term cropping is punched on the mulch 2, crop fixation is planted in mulch 2；It is described
Layer of sand 7 between mulch 2 is only used as the fixation lane of farm work without any cultivating treatment.First soil horizon, 3 He
Second soil horizon 6 is alkaline land soil.
In soil surface laying plastic, reduce soil evaporation intensity, simultaneously because under mulch soil layer moisture content raising,
The concentration of soil salt is reduced, the accumulation of upper soll layer salinity is reduced, thus the effect for playing soil moisture conservation, pressing down salt；In covering mulch
Earth's surface under be laid with stalk interlayer, soil capillary can be cut off, barrier salinity is migrated upwards, and can also after stalk interlayer decomposition
It is effectively improved soil texture, increases the soil organism；Coarse sand interlayer, coarse sand are laid under the film spacing earth's surface for being not covered with mulch
Interlayer has good water preventing ability, increases the moisture holding capacity of the soil body, makes infiltration rate and infiltrate sharp side wetting speed to be obviously reduced,
It favorably pours water and drenches salt, further suppress salinity in combination with ground mulching coarse sands layer and move upwards.
Two, the method for the salt-soda soil fixed race herbivore certain herbaceous plants with big flowers that straw sand interlayer is horizontally staggered is as follows：
(1) after autumn food certain herbaceous plants with big flowers crop harvest, stalk is laid on to the earth's surface for needing to cover the mulch, the mulch width
It is laid with the coarse sand that partial size is 0.5~2mm for 40cm, while in exposed earth's surface between the mulch, the mulch spacing 75cm,
Then successively the stalk, the coarse sand are turned over to bury and forms the stalk interlayer and the sand interlayer under earth's surface at 35cm, pressed
The stalk interlayer and the sand compartment thickness are 3cm after reality, and subsequent flood irrigates pressure salt；
(2) spring food certain herbaceous plants with big flowers plantation before, carry out irrigate pressure salt, sowing before in the earth's surface above the stalk layer covering film,
Layer of sand is covered in the earth's surface above the sand interlayer, thickness 2cm punches sowing crop in the mulch film surface；
(3) after food certain herbaceous plants with big flowers crop harvests every year later, crop material is laid on to the earth's surface of the covering with ground sheeting, then turns over and buries
35cm under to the earth's surface for having the covering with ground sheeting, and earth's surface exposed between mulch no longer carries out at any farming after being laid with layer of sand
Reason, is only used as the fixation lane of farm work.
Three, the effect of the fixed implant system in the salt-soda soil
By many years continuous experiment, the effect of the fixed implant system in salt-soda soil of the invention is as follows：
1, soil moisture conservation suppression salt obvious effect of increasing production：Compared with the single mulching planting mode of peasant household's tradition, 2015-2017
Year, soil water content mulching planting mode more single than tradition was distinguished within food certain herbaceous plants with big flowers seedling stage, its film of the technology of the present invention, between film
It improves 1.67-2.83%, 2.86-4.15% (table 1), grows development early period for food certain herbaceous plants with big flowers and provide sufficient moisture.Skill of the present invention
Art can significantly inhibit in film within the entire breeding time of food certain herbaceous plants with big flowers crop, the 0-40cm soil layer salinity accumulation of salt in the surface soil between film, and 2015-2017
In the film of the single mulching planting mode of inventive technique average specific tradition, same position accumulation of salt in the surface soil rate reduces 28.60- between film
45.60%, 118.97%-173.97% (table 2)；Certain herbaceous plants with big flowers emergence rate, planting percent are eaten in heavy salinized ground using the technology of the present invention
Mulching planting mode more single than tradition improves 19.86-20.96%, 21.02-21.38% (table 3) compared to averagely, volume increase
46.26-50.17% (table 4).
The variation of 1 2015-2017 different tillage 0-40cm soil layer seedling stage mass water content of soil of table is compared
The variation of 2 2015-2017 different tillage 0-40cm soil layer soil accumulation of salt in the surface soil rate of table is compared
Note：Salt content * 100 before accumulation of salt in the surface soil rate=(salt content before salt content-sowing after harvest)/sowing
3 2015-2017 different tillage of table is eaten certain herbaceous plants with big flowers emergence heavy salinizedly and is compared
4 2015-2017 different tillage of table eats certain herbaceous plants with big flowers Yield comparison
2, reinforced soil soil fertilities：The crop material of harvest can be passed through every year by special-purpose machines and tools using this technology invention
It turns over and buries same position, then eat certain herbaceous plants with big flowers in corresponding landscape position covering mulching film planting, can use limited stalk resource in this way
Stalk interlayer is established, and the effect to the fertilizing of better reinforced soil is continuously replenished due to annual stalk for this stalk interlayer,
2015-2017 is improved using the mulching planting mode more single than tradition of the 0-40cm content of organic matter in its film of the technology of the present invention
9.36-20.47% (table 5)；
The variation of 0-40cm soil layer organic matter is compared in different tillage film after 5 2015-2017 of table harvest
3, soil compression is reduced：It is turned under exposed earth's surface between mulch after burying layer of sand and ground mulching layer of sand, later not
Any cultivating treatment is carried out again, the fixation lane of farm work is only used as between film, can reduce mechanical long-term operation in this way to agriculture
Soil packing, more conducively plant growth in the especially film of field.Using 0-20cm, 20-40cm soil in this technology film in 2017
Bulk density than 2015 reduction 0.09g/cm respectively3、0.07g/cm3, and 0- in traditional mulch single covering pattern film in 2017
20cm, 20-40cm soil weight than 2015 reduction 0.03g/cm respectively3、0.03g/cm3(table 6).
The 0-40cm soil layer soil weight compares in different tillage film after 6 2015-2017 of table harvest
Embodiment 2, the fixed implant system in salt-soda soil
One, the structure for the salt-soda soil implant system that straw sand interlayer is horizontally staggered is as follows：
The fixed implant system in salt-soda soil that straw sand interlayer provided by the present invention is horizontally staggered, from earth's surface 1 from upper
Under successively include the first soil horizon 3, straw sand interlayer and the second soil horizon 6；The straw sand interlayer is by stalk interlayer 4 and sand interlayer 5
Level is alternately arranged composition；Mulch 2 is covered corresponding to the position of the stalk interlayer 4 in the earth's surface 1；It is right in the earth's surface 1
The position of sand interlayer 5 described in Ying Yu covers layer of sand 7；The thickness of the stalk interlayer 4 and the sand interlayer 5 is 5cm, and earth's surface is covered
Lid layer of sand with a thickness of 3cm；First soil horizon 3 with a thickness of 40cm；Long-term cropping in mulch 2.The stalk interlayer
Width is 45cm, and the width of the sand interlayer 5 is 80cm.The width of the mulch 2 covered in the earth's surface 1 is 45cm, describedly
Spacing between film is 80cm.The stalk interlayer 4 is laid with by the stalk that length is 10cm.The sand interlayer 5 is by grain
Diameter is that the coarse sand of 0.5~2mm is laid with.Long-term cropping is punched on the mulch 2, crop fixation is planted in mulch 2.It is described
First soil horizon 3 and the second soil horizon 6 are alkaline land soil.
In soil surface laying plastic, reduce soil evaporation intensity, simultaneously because under mulch soil layer moisture content raising,
The concentration of soil salt is reduced, the accumulation of upper soll layer salinity is reduced, thus the effect for playing soil moisture conservation, pressing down salt；In covering mulch
Earth's surface under be laid with stalk interlayer, soil capillary can be cut off, barrier salinity is migrated upwards, and can also after stalk interlayer decomposition
It is effectively improved soil texture, increases the soil organism；Coarse sand interlayer, coarse sand are laid under the film spacing earth's surface for being not covered with mulch
Interlayer has good water preventing ability, increases the moisture holding capacity of the soil body, makes infiltration rate and infiltrate sharp side wetting speed to be obviously reduced,
It favorably pours water and drenches salt, further suppress salinity in combination with ground mulching coarse sands layer and move upwards.
Two, the method for the salt-soda soil fixed race herbivore certain herbaceous plants with big flowers that straw sand interlayer is horizontally staggered is as follows：
(1) after autumn food certain herbaceous plants with big flowers crop harvest, stalk is laid on to the earth's surface for needing to cover the mulch, the mulch width
It is laid with the coarse sand that partial size is 0.5~2mm for 45cm, while in exposed earth's surface between the mulch, the mulch spacing 80cm,
Then successively the stalk, the coarse sand are turned over to bury and forms the stalk interlayer and the sand interlayer under earth's surface at 40cm, pressed
The stalk interlayer and the sand compartment thickness are 5cm after reality, and subsequent flood irrigates pressure salt；
(2) spring food certain herbaceous plants with big flowers plantation before, carry out irrigate pressure salt, sowing before in the earth's surface above the stalk layer covering film,
Layer of sand is covered in the earth's surface above the sand interlayer, thickness 3cm punches sowing crop in the mulch film surface；
(3) after food certain herbaceous plants with big flowers crop harvests every year later, crop material is laid on to the earth's surface of the covering with ground sheeting, then turns over and buries
40cm under to the earth's surface for having the covering with ground sheeting, and earth's surface exposed between mulch no longer carries out at any farming after being laid with layer of sand
Reason, is only used as the fixation lane of farm work.
Three, the effect of the fixed implant system in the salt-soda soil
The effect and embodiment 1 of the fixed implant system in the present embodiment salt-soda soil are without significant difference.
Claims (10)
1. implant system is fixed in salt-soda soil, it is characterised in that：It from top to bottom successively include the first soil horizon (3), straw from earth's surface (1)
Sand interlayer and the second soil horizon (6)；The straw sand interlayer is alternately arranged and is formed by stalk interlayer (4) and sand interlayer (5) level；Institute
State position covering mulch (2) on earth's surface (1) corresponding to the stalk interlayer (4)；On the earth's surface (1) correspond to the sand every
The position of layer (5) covers layer of sand (7)；The thickness of the stalk interlayer (4) and the sand interlayer (5) is 3~5cm；Describedly
Table (1) cover layer of sand (7) with a thickness of 2~3cm；First soil horizon (3) with a thickness of 35~40cm；The mulch (2)
Interior long-term cropping.
2. the fixed implant system in salt-soda soil according to claim 1, it is characterised in that：The width of the stalk interlayer is 40
~45cm, the width of the sand interlayer (5) are 75~80cm.
3. the fixed implant system in salt-soda soil according to claim 1 or 2, it is characterised in that：Cover ground on the earth's surface (1)
The width of film (2) is 40~45cm, and the spacing between the mulch (2) is 75~80cm.
4. the fixed implant system in salt-soda soil according to claim 1, it is characterised in that：The stalk interlayer (4) is by growing
Degree is that the stalk of 5~10cm is laid with.
5. the fixed implant system in salt-soda soil according to claim 1 or 4, it is characterised in that：The sand interlayer (5) is by partial size
It is laid with for the coarse sand of 0.5~2mm.
6. the fixed implant system in salt-soda soil according to claim 1, it is characterised in that：Fixed plantation in the mulch (2)
Crop；Layer of sand (7) between the mulch (2) is only used as the fixation lane of farm work without any cultivating treatment.
7. implant system is fixed in salt-soda soil described according to claim 1 or 6 or 7, it is characterised in that：The crop is food certain herbaceous plants with big flowers.
8. the fixed implant system in salt-soda soil according to claim 1, it is characterised in that：First soil horizon (3) and
Two soil horizons (6) are alkaline land soil.
9. implantation methods are fixed in salt-soda soil, include the following steps：
(1) after crop harvest, crop material is laid on to the earth's surface for needing to cover the mulch, while exposed between the mulch
Earth's surface on be laid with coarse sand, then successively the stalk, the coarse sand are turned over to bury and are respectively formed straw under earth's surface at 35~40cm
Stalk interlayer and sand interlayer, the stalk interlayer and the sand compartment thickness are 3~5cm after compacting, and subsequent flood irrigates pressure salt；
(2) it before long-term cropping, carries out irrigating pressure salt, the preceding covering film in the earth's surface above the stalk interlayer of sowing, described
Layer of sand is covered in earth's surface above sand interlayer, 2~3cm of thickness punches sowing crop in the mulch film surface；
(3) crop material is laid on to the earth's surface of the covering with ground sheeting, is then turned over described in having buried after annual crop harvest later
35~40cm under the earth's surface of covering with ground sheeting, and earth's surface exposed between mulch no longer carries out any cultivating treatment after being laid with layer of sand, only
Fixation lane as farm work.
10. the fixed implantation methods in salt-soda soil according to claim 9, it is characterised in that：
The crop is food certain herbaceous plants with big flowers；
The width of the stalk interlayer is 40~45cm, and the width of the sand interlayer is 75~80cm；
The stalk interlayer is laid with by the stalk that length is 5~10cm；
The sand interlayer is laid with by the coarse sand that partial size is 0.5~2mm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109348772A (en) * | 2018-12-12 | 2019-02-19 | 中国农业科学院农业资源与农业区划研究所 | Horizontal rotation implantation methods in salt-soda soil between mulch and film |
| CN110121973A (en) * | 2019-05-20 | 2019-08-16 | 中国农业科学院农田灌溉研究所 | A method of it is irrigated and crop rotation control facility alkalization of soils using controlling |
| CN115299207A (en) * | 2022-08-05 | 2022-11-08 | 中国科学院南京土壤研究所 | Fast construction and long-acting retention method for growth-adaptive desalting fertile layer of heavy saline-alkali soil |
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| CN115299207A (en) * | 2022-08-05 | 2022-11-08 | 中国科学院南京土壤研究所 | Fast construction and long-acting retention method for growth-adaptive desalting fertile layer of heavy saline-alkali soil |
| CN115299207B (en) * | 2022-08-05 | 2024-03-12 | 中国科学院南京土壤研究所 | Rapid construction and long-acting retention method for suitable-growth desalination wovens in heavy saline-alkali soil |
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