CN102067756B - Method for building dry farmland by making ditch and filling sand on saline-alkali soil - Google Patents
Method for building dry farmland by making ditch and filling sand on saline-alkali soil Download PDFInfo
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- CN102067756B CN102067756B CN2010105722580A CN201010572258A CN102067756B CN 102067756 B CN102067756 B CN 102067756B CN 2010105722580 A CN2010105722580 A CN 2010105722580A CN 201010572258 A CN201010572258 A CN 201010572258A CN 102067756 B CN102067756 B CN 102067756B
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Abstract
The invention discloses a method for building a dry farmland by making a ditch and filling sand on saline-alkali soil, relating to a reformation method of saline-alkali soil. In the method, the technical problems of extra high cost or short effect lasting time of the existing reformation method of saline-alkali soil are solved, and the method comprises the following steps: making the saline-alkali soil to be improved into a farmland mode that a ridge is alternated with a ditch; after ditching, taking nearby dune soil as a salinity-alkalinity buffering agent, and adding the salinity-alkalinity buffering agent into the ridge ditch, wherein the plane of added sandy soil is 1-5cm lower than the top of a ridge platform; digging and ditching on a strip added with sandy soil to plant xerophyte crop; taking away the xerophyte crop and the root stubble thereof each year; and continuing to plant on the strip in the next year. The method can be used for converting waste saline-alkali soil into dry farming farmlands, and has the advantages of low reformation cost and long effect lasting time.
Description
Technical field
The present invention relates to a kind of remodeling method of salt-soda soil.
Background technology
More than 2,000 ten thousand hectares of song-Nen plain areas that are located in China northeast; The salt-soda soil ubiquity; High salinity in the soil is restricting crop production; Some areas even grass are not grown to serve as saline-alkali bare land, but this district's weather (precipitation and growth season accumulated temperature) is suitable for rain fed crop growths such as corn, sunflower.Simultaneously, the spatial framework of distribution is inlayed with salt-soda soil formation in length and breadth in this sand ribbon, regional Horqin, makes full use of husky resource transformation salinity ground and has advantageous natural advantage at local area.In the current society that cultivated area reduces year by year, expansion space, farmland is one of Basic Ways that guarantees China's grain-production.For " observe arable land, the whole nation and be no less than 1,800,000,000 mu of these red lines " provides the reserve development and Utilization of Land Resources, satisfy 1,300,000,000 Chinese food problems, it is a good selection that the existing a large amount of salt-soda soils of China are effectively transformed.
The domestic and international at present remodeling method to the salt-soda soil mainly contains: through modern irrigation and planting technology improvement salt-soda soil, this technology is irrigated the desalinization of soil by flooding or leaching through draining; Warp improvement; Rice cultivation, the improvement of fostering and apply fertilizer, a series of measures such as level land are effectively transformed the salt-soda soil.Though this technology can make the transformation in salt-soda soil thorough, the lasting period is long, invest greatlyyer, cost is too high, and the individual implements the difficulty height, need lean on national support to a certain extent; Through chemical reaction decompose or sweetening of the soil in the salt damage that exists do harm to alkali, this modification method instant effect, easy to use, but the lasting period is shorter, can not thoroughly remove saline and alkalinely, and the phenomenon of recurrence is arranged.
Summary of the invention
The present invention has the technical problem that alkaline land improvement method cost is too high or the lasting period is short now in order to solve, and provides a kind of lasting period long and with low cost, the saline and alkali land improvement method that can promote the use of on a large scale.
Technical scheme of the present invention realizes through following steps:
A, salt-soda soil trench digging: on the salt-soda soil, ditch, the farmland pattern that ridge and ditch distribute alternately is processed in the salt-soda soil;
B, fill out sand and make dry land: behind the trench digging near dune soil is added in the furrow of processing as various saline and alkaline buffers, the sandy soil plane that is added into is lower than 1-5 centimetre at platform top, ridge;
C, kind plant: on the band that adds sandy soil, dig the hole or hug the non-irrigated living crop of ditch plantation, put away in the lump together with the root stubble behind the annual harvesting crops, the next year continuation is planted on this band.
The present invention ditches on the salt-soda soil, adds saline and alkaline buffers such as sand dune soil in the ditch, on the band that adds sandy soil, plants, can the transformation salinity wasteland as the dry farming farmland, in order to plant the living crop of drought.Method practicability and effectiveness among the present invention and with low cost; Cost is below 4000 yuan/hectare; To plant main Dry crop corn is example; Be recoverable cost then and have a small surplus, and created the basic farmland of sustainable use more than 10 years, efficiently solve the technical problem that existing alkaline land improvement method cost is too high or the lasting period is short
Description of drawings
Fig. 1 fills out the profile that sand is made dry land for the salt-soda soil system ditch of embodiment of the present invention.
Reference numeral is expressed as among the figure: 1. furrow, and 2. ridge platform, 3. sandy soil, 4. drought is given birth to and is done
The specific embodiment
The specific embodiment one, this embodiment is accomplished by following steps referring to Fig. 1:
A, salt-soda soil trench digging: on the salt-soda soil, ditch, the farmland pattern that ridge and ditch distribute alternately is processed in the salt-soda soil;
B, fill out sand and make dry land: behind the trench digging near dune soil is added into as various saline and alkaline buffers in the furrow of processing (1), the sandy soil that are added into (3) plane is lower than top 1-5 centimetre of ridge platform (2);
C, kind plant: on the band that adds sandy soil, dig the hole or hug the non-irrigated living crop (4) of ditch plantation, put away in the lump together with the root stubble behind the annual harvesting crops, the next year continuation is planted on this band.
The specific embodiment two: the characteristics of comparing with embodiment one are that this embodiment processes furrow (1) and be 15-30 centimetre, wide ridge platform (2) for 40-70 centimetre deeply; The distance of two adjacent ridge platforms (2) centreline space is 40-70 centimetre, and the height of ridge platform (2) is 10-30 centimetre.
The specific embodiment three: the characteristics of comparing with embodiment one are that furrow (1) cross section that this embodiment is processed is trapezoidal or triangle wide at the top and narrow at the bottom, and ridge platform (2) cross section is up-narrow and down-wide trapezoidal or triangle.
The specific embodiment four: the characteristics of comparing with embodiment one are dark 20 centimetres of the furrow (1) that this embodiment processes, and furrow (1) is wide 60 centimetres, and furrow (1) cross section is triangular in shape.The distance of two adjacent ridge platforms (2) centreline space is 60 centimetres, and the ridge is high 20 centimetres, and ridge platform (2) cross section is triangular in shape.According to said method every square metre of needs add 0.06 cubic metre of sandy soil, and promptly per hectare is 600 cubic metres, every cubic metre of sandy soil 5-6 unit of local existing market price, and the cost that the per hectare salt-soda soil adds sandy soil is a 3000-3600 unit.On the band that adds sandy soil, dig the hole or hug the ditch maize planting; Maize planting is when annual production 4-6 ton/hectare, if 4 tons/hectare of minimums, 4000 yuan of net incomes; Be recoverable to cost then and have a small surplus, created the basic farmland of sustainable use more than 10 years simultaneously.The output of output and local basic farmland of planting other crops is suitable.
Claims (2)
1. system ditch in salt-soda soil is filled out sand and is made the dry land method, it is characterized in that the practical implementation step of this method is following:
A, salt-soda soil trench digging: on the salt-soda soil, ditch, the farmland pattern that ridge and ditch distribute alternately is processed in the salt-soda soil;
B, fill out sand and make dry land: behind the trench digging near dune soil is added into as various saline and alkaline buffers in the furrow of processing (1), the sandy soil that are added into (3) plane is lower than top 1-5 centimetre of ridge platform (2);
C, kind plant: on the band that adds sandy soil, dig the hole or hug the non-irrigated living crop (4) of ditch plantation, put away in the lump together with the root stubble behind the annual harvesting crops, the next year continuation is planted on this band.
2. according to the described method of claim 1, it is characterized in that the cross section of furrow (1) is trapezoidal or triangle wide at the top and narrow at the bottom, the cross section of ridge platform (2) is up-narrow and down-wide trapezoidal or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105722580A CN102067756B (en) | 2010-12-03 | 2010-12-03 | Method for building dry farmland by making ditch and filling sand on saline-alkali soil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105722580A CN102067756B (en) | 2010-12-03 | 2010-12-03 | Method for building dry farmland by making ditch and filling sand on saline-alkali soil |
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| Publication Number | Publication Date |
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| CN102067756A CN102067756A (en) | 2011-05-25 |
| CN102067756B true CN102067756B (en) | 2012-05-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103891449B (en) * | 2014-03-25 | 2016-01-13 | 中国科学院东北地理与农业生态研究所 | A kind of method of soda salinized soil rapid build |
| CN104082031B (en) * | 2014-07-30 | 2016-01-06 | 中国科学院新疆生态与地理研究所 | A kind of arid biogeographic zone heavily salted original soil greening method |
| CN104885611B (en) * | 2015-06-19 | 2017-01-18 | 青岛袁策生物科技有限公司 | Method for improving soil saline alkali |
| CN106489465B (en) * | 2016-09-20 | 2020-04-28 | 中国科学院东北地理与农业生态研究所 | Method for recovering leymus chinensis vegetation in severe northern saline-alkali soil |
| CN106879271A (en) * | 2017-01-16 | 2017-06-23 | 华南农业大学 | It is a kind of judge nonirrigated farmland whether the method for being suitably transformed into paddy field |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2265981C1 (en) * | 2004-04-06 | 2005-12-20 | Государственное образовательное учреждение высшего профессионального образования "Ростовский государственный университет" | Method for cultivation of perennial grasses |
| CN101213916A (en) * | 2008-01-14 | 2008-07-09 | 中国科学院新疆生态与地理研究所 | Raise seedling method for kendir in alkaline land |
| CN101366329A (en) * | 2008-10-09 | 2009-02-18 | 东北林业大学 | Method for improving alkaline land and recovering plant cover by overlapping the earth's surface with superficial lamella extra-soil |
| CN101536643A (en) * | 2009-04-24 | 2009-09-23 | 朱高升 | Saline and alkali land improvement method |
| CN101779536A (en) * | 2010-03-03 | 2010-07-21 | 中国科学院东北地理与农业生态研究所 | Method for transforming salinization and low yield farmland |
| CN101786096A (en) * | 2010-03-03 | 2010-07-28 | 中国科学院东北地理与农业生态研究所 | Method for transforming saline and alkaline grassland by utilizing sand-protecting barriers |
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2010
- 2010-12-03 CN CN2010105722580A patent/CN102067756B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2265981C1 (en) * | 2004-04-06 | 2005-12-20 | Государственное образовательное учреждение высшего профессионального образования "Ростовский государственный университет" | Method for cultivation of perennial grasses |
| CN101213916A (en) * | 2008-01-14 | 2008-07-09 | 中国科学院新疆生态与地理研究所 | Raise seedling method for kendir in alkaline land |
| CN101366329A (en) * | 2008-10-09 | 2009-02-18 | 东北林业大学 | Method for improving alkaline land and recovering plant cover by overlapping the earth's surface with superficial lamella extra-soil |
| CN101536643A (en) * | 2009-04-24 | 2009-09-23 | 朱高升 | Saline and alkali land improvement method |
| CN101779536A (en) * | 2010-03-03 | 2010-07-21 | 中国科学院东北地理与农业生态研究所 | Method for transforming salinization and low yield farmland |
| CN101786096A (en) * | 2010-03-03 | 2010-07-28 | 中国科学院东北地理与农业生态研究所 | Method for transforming saline and alkaline grassland by utilizing sand-protecting barriers |
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