CN107047010A - It is a kind of to recover alkali thatch and the method for Puccinellia tenuiflora in salt-soda soil - Google Patents
It is a kind of to recover alkali thatch and the method for Puccinellia tenuiflora in salt-soda soil Download PDFInfo
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- CN107047010A CN107047010A CN201710274161.3A CN201710274161A CN107047010A CN 107047010 A CN107047010 A CN 107047010A CN 201710274161 A CN201710274161 A CN 201710274161A CN 107047010 A CN107047010 A CN 107047010A
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
It is a kind of to recover alkali thatch and the method for Puccinellia tenuiflora in salt-soda soil, it is related to a kind of in salt-soda soil recovery alkali thatch and the method for Puccinellia tenuiflora.The present invention is to need the later stage to carry out continuing irrigation management to solve the method for transplanting in current salt-soda soil, constrains the technical problem of the large scale application of species.The present invention：First, ditched with plough；2nd, aeolian sandy soil is applied in opened ditch；3rd, alkali thatch or Puccinellia tenuiflora seed are applied in dust storm with seeder；4th, the aeolian sandy soil in ditch is compacted with land presser.The inventive method is with low cost, easy to spread, with later stage economic benefit.The present invention is applied to recover alkali thatch and Puccinellia tenuiflora in salt-soda soil.
Description
Technical field
The present invention relates to a kind of in salt-soda soil recovery alkali thatch and the method for Puccinellia tenuiflora.
Background technology
Foreign study present situation：The salinization of soil is a worldwide problem (Szabolcs 1989), from early 20th century, salt
The restoration harness research in alkalization soil has had the history (Qadir et al.2001) of over one hundred year.Wetland with saline-alkaline is controlled in the world
Reason research on Treatment process, on the one hand based on salinized soil water, salt migration rule, takes physics mainly for agricultural land soil
Approach, such as turns over rake, stalks mulching, puts ditch ridging transformation surface infrastructure, improve moisture penetration, reduction moisture evapotranspires, and blocks salt
Point rise, or directly ditching Drainage of salt, with reduce table earth salt point in favor of plant growth (Bakker et al.2010a, b)；
On the one hand the chemical attribute based on salinized soil, soil exchangeable sodium ion, drop are replaced using calcium ion or other modifying agents
Low alkalization of soils degree, conventional modifying agent has：Soluble calcium salt, such as calcium chloride and gypsum；Microsolubility calcium salt, such as lime stone, gather
Close (the Armstong et al.1992 such as aluminium iron sulfate；Mace et al.1999；Qadir et al.2001；Lebron et
al.2002).Biological means are a kind of emerging Treatment process, mainly by introducing the crop with seed selection Salt And Alkali Tolerance, are improved saline and alkaline
Plant planting ability (the Akhter et al.2004 in soil；Tripath et al.2005).In the world, it is engaged in Salt And Alkali Tolerance plant
Davis laboratories, U.S. solonchak laboratory, the India center of the main eucalyptus Fu Niya universities of research institution of thing breeding work
Solonchak research institute etc. (Xie Chengtao, 1993).These research institutions have cultivated multiple Salt-tolerant Wheats, rice varieties, and to this
The Mechanisms of Salt Resistance of a little crops has in-depth study.In addition to above-mentioned means, applied fertilizer in saline and alkaline soil, add biological carbon, green manure etc.
Wetland with saline-alkaline is also widely used for fertilizer solodization recently and administers (Shaaban et al.2013；Srivastava et
al.2014)。
Domestic research at present：Since 1950s, China begin one's study salinized soil restoration harness work,
Treatment process mainly includes 3 aspects：(1) it is physically improved：Sand pressure alkali, level land, deep plough sun the earth which has been ploughed up, loosen the soil in time, Surface mulch,
Landform, microcell is raised to improve the soil, fill deploying set, storage fresh water on saline-alkali land for leaching, washing salinity by irrigation, underground salt discharge；(2) chemical modifying：Gypsum, phosphorus stone
Cream, calcium superphosphate, petroleum assistant, flyash, black alum, humic acid, peat, furfural dregs, acid-sludge etc.；(3) biological modification：Plant trees with
And other salt-tolerant plants, manure use etc..Originally the above method is mainly used in alkaline-saline soil, it is slight or in
Spend on degenerated soil, these modification method effects are still notable.But saline-alkali grassland area is very vast, it is also contemplated that repairing
The economic benefit of technology, so it is difficult to carry out the chemical modifying of large area, in recent years, using biological modification method, progressively carrying out
Restoration of the ecosystem, for example：Seal, stalk cuttage, biological covering etc..By using ecosystem control principle, to saline-alkali grassland
Restoration of the ecosystem is carried out, recovers plant, improves soil texture, that is, based on biological modification, with reference to physically improved and chemistry
Modification method, the adaptability using biology itself to environment, progressively repairs saline-alkali grassland.
Domestic various investigative techniques are substantially similar to international saline-alkali grassland recovery technique, but some domestic researchers
Also in relation with the concrete condition of each department, suit measures to local conditions, develop some and be adapted to local technology.For example it is located in reference to loose browse
Cross region between farmland and grassland, stalk resource enriches, and develops stalk cuttage improvement degeneration meadow；Stalks mulching, improved soil microenvironment is mended
Broadcast the herbaceous plant such as stinkgrass flower, wild barley and speedwell improvement degeneration meadow；And by transplanting sheep's hay, recover Degenerated
Ground, but transplanting sheep's hay needs the later stage to carry out irrigation management, this restrict the large scale application of the technology.The Northeast is near
Also carry out salt-soda soil kind paddy rice technology over year, however, salinization of soil region occurs for the Northeast soil all in semiarid zone,
Annual rainfall only has 300~400 millimeters, and the year water consumption of rice cultivation has reached 1600 millimeters, and salt is developed near river course
Plant paddy rice has sustainability alkali, however, northeast wetland with saline-alkaline is mostly away from river course, the salt-soda soil large area in the region
Rice cultivation, will can cause level of ground water extremely decline, and water resource is exhausted, causes a series of ecological problem.
The direction that following the Northeast's saline-alkali grassland Treatment process makes a breakthrough, will not only consider the effect of technology, and
And to consider actual economic benefit, it is necessary to suit measures to local conditions, with reference to local resource, carry out restoration of the ecosystem, propose it is with low cost,
Method is effective, the recovery technology with economic benefit.
The content of the invention
The present invention is to need the later stage to carry out continuing irrigation management to solve the method for transplanting in current salt-soda soil, constrains thing
The technical problem for the large scale application planted, and provide a kind of in salt-soda soil recovery alkali thatch and the method for Puccinellia tenuiflora.
A kind of method for recovering alkali thatch and Puccinellia tenuiflora in salt-soda soil of the present invention is carried out according to the following steps：
First, many bar ditch are abreast outputed in salt-soda soil with plough, the saline-alkali soil dug out from ditch equably piles up the two of ditch
Side forms saline-alkali soil isosceles triangle；The section of the ditch in isosceles triangle, at the horizontal plane of ditch width L be 5cm~
15cm, the depth H of ditch is 5cm~15cm；
2nd, aeolian sandy soil is applied to the saline-alkali soil isosceles three in the ditch that step one is opened into aeolian sandy soil highest point and step one
Angular peak is contour；
3rd, alkali thatch seed or Puccinellia tenuiflora seed are applied in the aeolian sandy soil in the ditch of step 2 with seeder, alkali thatch kind
The applied amount of son or Puccinellia tenuiflora seed is higher than for 20kg~40kg/ hectares of salt-soda soils, and alkali thatch seed or Puccinellia tenuiflora seed
Horizontal plane；
4th, the aeolian sandy soil in ditch is finally densified to the highest with the saline-alkali soil isosceles triangle in step one with land presser
Point is contour.
Soils of the pH more than 7.1 is salt-soda soil.
The present invention by applying aeolian sandy soil, the seed of plantation alkali thatch seed or Puccinellia tenuiflora, its cross section as shown in figure 1,
Bottom is aeolian sandy soil, then applies above-mentioned vegetable seeds, and the superiors cover saline-alkali soil original in aeolian sandy soil, ditch and are placed in ditch again
Both sides form plateau, retain rainwater, increase aeolian sandy soil humidity, are conducive to plant seed germination；Vegetable seeds levels are wind
Sandy soil, before soil salt infiltration, suitable environment is provided for plant seed germination.
The advantage of the invention is that：Can not be in salinized soil for the seed sprouting stage of alkali thatch seed and Puccinellia tenuiflora
The characteristic of middle completion, is built using a small amount of aeolian sandy soil and sprouts environment, local improving soil promotes plant to settle down, so as to be saline and alkaline
Ground provides introduces a collection, and by planting perennial herb, improved soil, large area recovers herbaceous plant：One is that of avoiding transplanting grass
The methods such as this plant need follow-up irrigate etc. on grassland can not large area the problem of realize；Two be using it is local exist it is a large amount of into
This cheap resource --- aeolian sandy soil, it is easy to accomplish the popularization of this method.
Method be mainly characterized in that：It is with low cost, easy to spread, with later stage economic benefit.
1st, it is with low cost：
The inventive method per hectare at most only needs 75~175 cubes of soil (purchase and migration expense 750-1750 members),
Alkali thatch seed or each 20~40 kilograms of Puccinellia tenuiflora seed (every kind of 100~200 yuan of herborization cost), sowing be artificial and fuel
Take (100 yuan), per hectare cost accounting is 1000-2000 members；
2nd, it is easy to spread：
The present invention carries aeolian sandy soil using big machinery, being capable of large-area applications without later maintenance and not against rainfall；
The present invention can improve 400 hectares of salt-soda soil, and top pasture using the aeolian sandy soil (4 meters high) of the hectare of land of top pasture ecotone 1
After the migration of ecotone aeolian sandy soil, farming can recover to originate in amount for 2 years；Planting technology of the present invention is simple, it is easy to learn, can be a wide range of
Popularization and application；
3rd, later stage economic benefit：
The present invention, which builds up rear per hectare, can produce 1-2 tons of alkali thatch, and alkali thatch price is 800 yuan/ton, later stage economic benefits；
The present invention, which builds up rear per hectare, can produce 1-2 tons of Puccinellia tenuiflora, and Puccinellia tenuiflora price is 800 yuan/ton, later stage economy effect
Benefit is considerable.
The innovative point of the present invention is following two aspects：
1st, the object of the invention：Existing improving technology transforms earth's surface knot to transplant, turn over rake, stalks mulching, put ditch ridging etc.
Structure, improve moisture penetration, reduction moisture and evapotranspire, block salinity to rise or direct ditching Drainage of salt, with reduce table earth salt divide with
Based on plant growth；Or the chemical attribute based on salinized soil, replace soil using calcium ion or other modifying agents
Exchangeable sodium ion, is reduced based on alkalization of soils degree etc.；And the present invention mainly relies on biological means, pass through local improving soil
Earth, promotes plant to settle down, and then provides introduces a collection for salt-soda soil, while improved soil, reduces the difficulty of the vegetation establishment in saline and alkaline soil
Degree；
2nd, plant characteristic is different：Plant in the present invention includes Puccinellia tenuiflora (Puccinellia gramineous
Tenuiflora) and alkali thatch (Puccinellia tenuiflora), Puccinellia tenuiflora and alkali thatch Saline alkali tolerance are preferable, it is easy in salt
Settled down in alkali-affected soil, slight improved soil can be achieved with the planting of large area, be conducive to the improvement in salt-soda soil and a wide range of
Popularization.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention, and 1 is aeolian sandy soil, and 2 be Puccinellia tenuiflora seed or alkali thatch seed, and 3 be saline-alkali soil, and 4 are
Horizontal plane, L is width at the horizontal plane of ditch in step one, and H is the depth of ditch in step one.
Embodiment
Embodiment one：Present embodiment recovers alkali thatch and the method for Puccinellia tenuiflora to be a kind of in salt-soda soil, specifically
Carry out according to the following steps：
First, many bar ditch are abreast outputed in salt-soda soil with plough, the saline-alkali soil dug out from ditch equably piles up the two of ditch
Side forms saline-alkali soil isosceles triangle；The section of the ditch in isosceles triangle, at the horizontal plane of ditch width L be 5cm~
15cm, the depth H of ditch is 5cm~15cm；
2nd, aeolian sandy soil is applied to the saline-alkali soil isosceles three in the ditch that step one is opened into aeolian sandy soil highest point and step one
Angular peak is contour；
3rd, alkali thatch seed or Puccinellia tenuiflora seed are applied in the aeolian sandy soil in the ditch of step 2 with seeder, alkali thatch kind
The applied amount of son or Puccinellia tenuiflora seed is higher than for 20kg~40kg/ hectares of salt-soda soils, and alkali thatch seed or Puccinellia tenuiflora seed
Horizontal plane；
4th, the aeolian sandy soil in ditch is finally densified to the highest with the saline-alkali soil isosceles triangle in step one with land presser
Point is contour.
Embodiment two：The difference of present embodiment and embodiment one is：The level of ditch in step one
Width L is 5cm at face, and the depth H of ditch is 5cm.Other are identical with embodiment one.
Embodiment three：The difference of present embodiment and embodiment one is：The level of ditch in step one
Width L is 10cm at face, and the depth H of ditch is 10cm.Other are identical with embodiment one.
Embodiment four：The difference of present embodiment and embodiment one is：The level of ditch in step one
Width L is 15cm at face, and the depth H of ditch is 10cm.Other are identical with embodiment one.
Embodiment five：The difference of present embodiment and embodiment one is：The level of ditch in step one
Width L is 15cm at face, and the depth H of ditch is 15cm.Other are identical with embodiment one.
Claims (5)
1. a kind of recover alkali thatch and the method for Puccinellia tenuiflora in salt-soda soil, it is characterised in that recovers alkali thatch and parvifolrine in salt-soda soil
The method of thatch is carried out according to the following steps：
First, many bar ditch are abreast outputed in salt-soda soil with plough, the saline-alkali soil dug out from ditch equably piles up the both sides shape of ditch
Into saline-alkali soil isosceles triangle；The section of the ditch is in isosceles triangle, and width L is 5cm~15cm, ditch at the horizontal plane of ditch
Depth H be 5cm~15cm；
2nd, aeolian sandy soil is applied to the saline-alkali soil isosceles triangle in the ditch that step one is opened into aeolian sandy soil highest point and step one
Peak it is contour；
3rd, alkali thatch seed or Puccinellia tenuiflora seed is applied with seeder in the aeolian sandy soil in the ditch of step 2, alkali thatch seed or
The applied amount of Puccinellia tenuiflora seed is 20kg~40kg/ hectares of salt-soda soils, and alkali thatch seed or Puccinellia tenuiflora seed are higher than level
Face；
4th, finally the aeolian sandy soil in ditch is densified to the peak of saline-alkali soil isosceles triangle in step one with land presser etc.
It is high.
2. it is according to claim 1 a kind of in salt-soda soil recovery alkali thatch and the method for Puccinellia tenuiflora, it is characterised in that step
Width L is 5cm at the horizontal plane of ditch in one, and the depth H of ditch is 5cm.
3. it is according to claim 1 a kind of in salt-soda soil recovery alkali thatch and the method for Puccinellia tenuiflora, it is characterised in that step
Width L is 10cm at the horizontal plane of ditch in one, and the depth H of ditch is 10cm.
4. it is according to claim 1 a kind of in salt-soda soil recovery alkali thatch and the method for Puccinellia tenuiflora, it is characterised in that step
Width L is 15cm at the horizontal plane of ditch in one, and the depth H of ditch is 10cm.
5. it is according to claim 1 a kind of in salt-soda soil recovery alkali thatch and the method for Puccinellia tenuiflora, it is characterised in that step
Width L is 15cm at the horizontal plane of ditch in one, and the depth H of ditch is 15cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274161.3A CN107047010A (en) | 2017-04-24 | 2017-04-24 | It is a kind of to recover alkali thatch and the method for Puccinellia tenuiflora in salt-soda soil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710274161.3A CN107047010A (en) | 2017-04-24 | 2017-04-24 | It is a kind of to recover alkali thatch and the method for Puccinellia tenuiflora in salt-soda soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108496458A (en) * | 2018-04-04 | 2018-09-07 | 中国科学院东北地理与农业生态研究所 | Severe Soda saline and alkaline soils staged modification method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099548A (en) * | 1993-08-29 | 1995-03-08 | 姚树林 | Method for improving saline-alkali soil |
| CN1726755A (en) * | 2005-07-27 | 2006-02-01 | 东北林业大学 | Method for recovering vegetational cover on alkaline land through mini alient earth |
| CN102754559A (en) * | 2012-07-18 | 2012-10-31 | 东北师范大学 | Method for rapidly planting vegetation in saline-alkali bare land |
| CN104396736A (en) * | 2014-09-23 | 2015-03-11 | 兰州大学 | Method for improving germination rate of Puccinellia tenuiflora seed |
| CN106489465A (en) * | 2016-09-20 | 2017-03-15 | 中国科学院东北地理与农业生态研究所 | A kind of in heavy salinized the method for recovering sheep's hay vegetation in the north |
-
2017
- 2017-04-24 CN CN201710274161.3A patent/CN107047010A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099548A (en) * | 1993-08-29 | 1995-03-08 | 姚树林 | Method for improving saline-alkali soil |
| CN1726755A (en) * | 2005-07-27 | 2006-02-01 | 东北林业大学 | Method for recovering vegetational cover on alkaline land through mini alient earth |
| CN102754559A (en) * | 2012-07-18 | 2012-10-31 | 东北师范大学 | Method for rapidly planting vegetation in saline-alkali bare land |
| CN104396736A (en) * | 2014-09-23 | 2015-03-11 | 兰州大学 | Method for improving germination rate of Puccinellia tenuiflora seed |
| CN106489465A (en) * | 2016-09-20 | 2017-03-15 | 中国科学院东北地理与农业生态研究所 | A kind of in heavy salinized the method for recovering sheep's hay vegetation in the north |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108496458A (en) * | 2018-04-04 | 2018-09-07 | 中国科学院东北地理与农业生态研究所 | Severe Soda saline and alkaline soils staged modification method |
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Application publication date: 20170818 |