CN101816250A - Method for improving nutritive saline-alkali land soil - Google Patents
Method for improving nutritive saline-alkali land soil Download PDFInfo
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- CN101816250A CN101816250A CN201010160226A CN201010160226A CN101816250A CN 101816250 A CN101816250 A CN 101816250A CN 201010160226 A CN201010160226 A CN 201010160226A CN 201010160226 A CN201010160226 A CN 201010160226A CN 101816250 A CN101816250 A CN 101816250A
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Abstract
The invention discloses a method for improving nutritive saline-alkali land soil, and relates to the field of saline-alkali treatment. The method comprises the following steps of: 1, ploughing the soil; 2, applying stalks in a deep layer; and 3, covering sand on a surface layer. The method has the following advantages that: 1, the crop stalks are degraded to provide a great number of organic matters, improve soil structure and provide nutrient needed by plants; 2, the sand covers on the surface layer, and facilitates the flatness of the ground; 3, the stalks turned under the soil, together with the covered sand, can cut off capillaries of the soil, reduce water loss and inhibit salt return of the saline-alkali land soil; and 4, the method has low cost, can comprehensively improve the saline-alkali land soil in a large area, improve the growth quality of the plants in the saline-alkali land and protect and improve ecological environment, and has wide application prospect.
Description
Technical field
The present invention relates to the saline land and administer the field, relate in particular to a kind of method of improving nutritive saline-alkali land soil.
Background technology
The saline land is the important land resources that agricultural development utilizes.There is about 3,630 ten thousand hectares of saline land in China, has about 75% effectively to be administered and rational exploitation and utilization.Saline-alkali soil is because of containing excessive salinity, noxious material, and basicity is excessive, soil property is relatively poor, and the growth of plant is produced inhibitory action, causes plant growing difficulty on the saline land, forms large-area saline-alkali wasteland, and ecotope is abominable.But along with the minimizing day by day that can utilize land resources, the saline land is as a kind of land resources of preciousness, and its improvement will become the source in important utilized soil.
Administer the saline land, the improvement saline land is the work that country very pays close attention to for many years all the time.The scientific worker also invents and sums up the method for some improvement through the research of decades.Mainly contain:
1, chemical method
By calcareous material and chemical improvement agents such as acidic materials and water-loss reducer such as gypsuming and ardealites, the physicochemical property of improving the soil.
2, physical method
By turning over that rake loosens the soil and measure such as irrigation strengthens soil and drenches salt.
3, biological method
By the plantation saline alkali tolerant plant, manually set up litter layer and turn over modes such as pressing green manure, improve soil condition.
Though these methods have remarkable result to the improvement alkaline land soil, the restriction that is subjected to some conditions and cost can not obtain large-area popularization.
Summary of the invention
Purpose of the present invention just is to overcome the shortcoming and defect that prior art exists, and a kind of method of improving nutritive saline-alkali land soil is provided.
The object of the present invention is achieved like this:
A kind of economical and effective, resourceful alkaline land soil improvement raw material---stalk are provided, the stalk deep layer are covered and is aided with the top layer cover sand.
Specifically, this method comprises the following steps:
1. plowed soils
Its effect is: loose table soil increases the native water penetration of table.
2. deep layer is used stalk
Its effect is: the continuity of soil capillarity is destroyed, prevented that salinity runs up to the face of land with the capillary water rising in subsoil or the underground water, suppress the soil accumulation of salt in the surface soil; And the nutrient that provides great number of organic matters and plant growing to need for soil.
3. sand is covered on the top layer
Its effect is: reduce evaporation discharge, it is poly-to suppress the soil salt submeter, reduces the upper soll layer salt content.
The present invention has following advantage and good effect:
1. the crops straw resolution provides great number of organic matters, the structure of improving the soil, and the nutrient that provides plant growing to need;
2. sand is covered on the top layer, and it is smooth to help ground.
3. the continuity of soil capillarity is destroyed, prevented that salinity runs up to the face of land with the capillary water rising in subsoil or the underground water, suppress the soil accumulation of salt in the surface soil
4. with low cost, can large tracts of land the comprehensive improvement alkaline land soil, improve the saline land growth quality, protect and improve the ecological environment, have broad application prospects.
Embodiment
Describe in detail below in conjunction with embodiment:
1, step 1. in
Described plowed soils, requiring the soil ploughing depth is 25-35cm, in time rakes after cultivated, a kind of farm tools is broken and with the packer suppression, carry out plough, rake, a kind of farm tools, pressure work continuously.
2, step 2. in
Described deep layer is used stalk, requires 15-25cm place laying crops straw under the soil table, and consumption is 1.0-2.5kg/m
2
3, step 3. in
Sand is covered on described top layer, and required thickness is 3-10cm.
Claims (4)
1. improving nutritive saline-alkali land soil method, its feature may further comprise the steps:
1. plowed soils;
2. deep layer is used stalk;
3. sand is covered on the top layer.
2. soil improvement method as claimed in claim 1 is characterized in that step is 1.:
Described plowed soils, requiring the soil ploughing depth is 25-35cm, in time rakes after cultivated, a kind of farm tools is broken and with the packer suppression, carry out plough, rake, a kind of farm tools, pressure work continuously.
3. soil improvement method as claimed in claim 1 is characterized in that step is 2.:
Described deep layer is used stalk, requires 15-25cm place laying crops straw under the soil table, and consumption is 1.0-2.5kg/m
2
4. soil improvement method as claimed in claim 1 is characterized in that step is 3.:
Sand is covered on described top layer, and required thickness is 3-10cm.
Priority Applications (1)
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CN201010160226A CN101816250A (en) | 2010-04-23 | 2010-04-23 | Method for improving nutritive saline-alkali land soil |
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CN201010160226A CN101816250A (en) | 2010-04-23 | 2010-04-23 | Method for improving nutritive saline-alkali land soil |
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CN101816250A true CN101816250A (en) | 2010-09-01 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102037805A (en) * | 2010-09-29 | 2011-05-04 | 中国科学院南京土壤研究所 | Method for controlling salt and saving water of nutritional soil for planting crops on mudflat saline-alkali land |
CN102630477A (en) * | 2012-05-08 | 2012-08-15 | 中国科学院南京土壤研究所 | Method for high-yield plantation of Salicornia and soil fertility improvement of coastal mud flat |
CN103329658A (en) * | 2013-06-21 | 2013-10-02 | 河海大学 | Sectional three-dimensional structure for fast desalting and soil improvement of saline-alkali soil of new tidal marsh reclamation area |
CN104081907A (en) * | 2013-12-17 | 2014-10-08 | 吉林农业大学 | Soil improvement method |
CN107787632A (en) * | 2016-08-29 | 2018-03-13 | 宁乡安卓农业发展有限公司 | A kind of method for transforming waste mountain waste soil |
CN108738458A (en) * | 2018-06-28 | 2018-11-06 | 山东省农业科学院农业资源与环境研究所 | A kind of compound modification method in salt-soda soil of stalk bilayer control salt and surface layer ice dish desalination |
CN115428635A (en) * | 2022-09-22 | 2022-12-06 | 武汉华天园林集团有限公司 | Fertilizing method for improving survival rate of green plants in saline-alkali area |
Citations (1)
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CN101536643A (en) * | 2009-04-24 | 2009-09-23 | 朱高升 | Saline and alkali land improvement method |
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2010
- 2010-04-23 CN CN201010160226A patent/CN101816250A/en active Pending
Patent Citations (1)
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CN101536643A (en) * | 2009-04-24 | 2009-09-23 | 朱高升 | Saline and alkali land improvement method |
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《内蒙古林业调查设计》 20070831 刘兴国等 国家广电总局呼和浩特地球站盐碱地绿化及治理措施 全文 1-4 第30卷, 第4期 * |
《干旱区研究》 20070531 纪永福等 夏季覆盖盐碱地表面对土壤盐分和水分的影响 摘要部分 4 第24卷, 第3期 * |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102037805A (en) * | 2010-09-29 | 2011-05-04 | 中国科学院南京土壤研究所 | Method for controlling salt and saving water of nutritional soil for planting crops on mudflat saline-alkali land |
CN102037805B (en) * | 2010-09-29 | 2012-07-25 | 中国科学院南京土壤研究所 | Method for controlling salt and saving water of nutritional soil for planting crops on mudflat saline-alkali land |
CN102630477A (en) * | 2012-05-08 | 2012-08-15 | 中国科学院南京土壤研究所 | Method for high-yield plantation of Salicornia and soil fertility improvement of coastal mud flat |
CN103329658A (en) * | 2013-06-21 | 2013-10-02 | 河海大学 | Sectional three-dimensional structure for fast desalting and soil improvement of saline-alkali soil of new tidal marsh reclamation area |
CN104081907A (en) * | 2013-12-17 | 2014-10-08 | 吉林农业大学 | Soil improvement method |
CN107787632A (en) * | 2016-08-29 | 2018-03-13 | 宁乡安卓农业发展有限公司 | A kind of method for transforming waste mountain waste soil |
CN108738458A (en) * | 2018-06-28 | 2018-11-06 | 山东省农业科学院农业资源与环境研究所 | A kind of compound modification method in salt-soda soil of stalk bilayer control salt and surface layer ice dish desalination |
CN115428635A (en) * | 2022-09-22 | 2022-12-06 | 武汉华天园林集团有限公司 | Fertilizing method for improving survival rate of green plants in saline-alkali area |
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Application publication date: 20100901 |