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Desert saline land improving and greening construction method

A construction method and saline-alkali land technology, applied in the fields of site preparation methods, botanical equipment and methods, climate change adaptation, etc., can solve the problems of less research on desert saline-alkali land improvement, less local improvement and greening research results, and high resource consumption. Improve the efficiency of turnover utilization, promote the development of soil microorganisms, and the effect of high plant survival rate

Inactive Publication Date: 2017-07-25
内蒙古百合生态科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The improvement of saline-alkali land has always been a problem facing the world. There are a large number of saline-alkali lands distributed in the northwest, northeast and north China. After several generations of efforts, the study of saline-alkali land improvement has accumulated rich experience and achieved good results. There are few studies on the improvement of desert saline-alkali land, and the methods in the existing research consume high resources and are difficult to implement
[0004] Due to its desertification characteristics, the desert saline-alkali land is seriously degraded and accompanied by wind and sand, so it is more suitable for large-scale improvement and planting, but there are few research results on local improvement and greening

Method used

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  • Desert saline land improving and greening construction method

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Effect test

Embodiment 1

[0050] The construction method of desert saline-alkali land improvement and greening includes the following steps:

[0051] (1) Water source selection and land leveling: laying water flow pipes from underground wells; leveling and twisting without disturbing the soil layer; (2) irrigation and salt washing: excavation depth of 1.0m for stems, branches, buckets and hairs Ditch drainage system, connect the water source, wash salt, irrigate the deep ditch with water, soak for 3 hours, drain and dry, repeat 2 times, and finally rinse with water once; (3) Add organic fertilizer and water retention agent: take 1 mass of water-soluble mineral fertilizer 1 part dissolved in water and mixed with 0.1 part by mass of a water-retaining agent, then mixed with 10 parts by mass of organic fertilizer, and the mixed fertilizer and the surface were rotary tilled with a rotary tiller to a depth of 30cm, and the organic fertilizer contained salt-tolerant nodules. (4) Planting salt-tolerant and dro...

Embodiment 2

[0055] The construction method of desert saline-alkali land improvement and greening includes the following steps:

[0056] (1) Water source selection and land leveling: laying water flow pipes from underground wells; leveling and twisting without disturbing the soil layer; (2) irrigation and salt washing: excavation depth of 1.8m for stems, branches, buckets and hairs Ditch drainage system, connect the water source, wash salt, irrigate the deep ditch with water, soak for 6 hours, drain and dry, repeat twice, and finally rinse once with water; (3) Add organic fertilizer and water retention agent: take 2 mass of water-soluble mineral fertilizer 1 part dissolved in water and mixed with 0.3 part by mass of a water-retaining agent, then mixed with 18 parts by mass of organic fertilizer, and the mixed fertilizer and the surface were rotary tilled with a rotary tiller to a depth of 50cm, and the organic fertilizer contained salt-tolerant nodules. (4) Planting salt-tolerant and droug...

Embodiment 3

[0060] The construction method of desert saline-alkali land improvement and greening includes the following steps:

[0061] (1) Water source selection and land leveling: laying water flow pipes from underground wells; leveling and twisting without disturbing the soil layer; (2) irrigation and salt washing: excavation depth of 1.5m for stems, branches, buckets and hairs Ditch drainage system, connect the water source, wash salt, irrigate the deep ditch with water, soak for 5 hours, drain and dry, repeat 2 times, and finally rinse once with water; (3) Add organic fertilizer and water retention agent: take 1 mass of water-soluble mineral fertilizer 1 part dissolved in water and mixed with 0.1 part by mass of water-retaining agent, then mixed with 15 parts by mass of organic fertilizer, and used a rotary tiller to perform rotary tillage on the surface of the mixed fertilizer at a depth of 40cm. The organic fertilizer contains salt-tolerant nodules. (4) Planting salt-tolerant and d...

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Abstract

The invention relates to the technical field of land governance, in particular to a desert saline land improving and greening construction method. The method comprises the following steps that a water source site is selected, and land formation is carried out; cofferdam leveling is carried out, and the soil layer is not disorganized; watering is carried out for salt washing; a deep ditch drainage system is dug, and salt washing is carried out; organic fertilizer and a water-retaining agent are additionally applied; mineral fertilizer and the water-retaining agent are taken to be mixed, then the mixture is mixed with the organic fertilizer, and the mixed fertilizer and the ground surface are subjected to rotary tillage through a rotary cultivator; plants resisting salt, alkali and drought are planted; 3 Kg of organic fertilizer is added into tree pits, and a moisture evapotranspiration inhibitor is sprayed to the surfaces of the plants; a soil evaporation inhibitor is sprayed, or ground surface covering is carried out; vegetation maintenance is carried out. The desert saline land improving and greening construction method is suitable for desert saline land, and is simple in process, wide in raw material source, high in plant survival rate, fast in improvement effect taking and long in lasting time, and the physicochemical property of soil is obviously improved.

Description

technical field [0001] The invention relates to the technical field of land management, in particular to a construction method for improving and greening desert saline-alkali land. Background technique [0002] Desert salinization is a manifestation of desertification. In addition to desertification, the environmental characteristics of saline-alkali land are also concentrated in the following: viscous soil structure, poor ventilation, high bulk density, slow soil temperature rise, and aerobic microorganisms in the soil. Poor activity, slow nutrient release, low permeability coefficient, strong capillary action, high salinization degree of topsoil, and flora composed of salinity-tolerant, ultra-xerophyte, xerophyte shrubs, semi-shrubs and small trees. [0003] The improvement of saline-alkali land has always been a problem faced by the world. China has a large amount of saline-alkali land in the northwest, northeast and north China. There are few studies on the improvement ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G25/02
CPCA01B79/02A01G25/02Y02A40/22
Inventor 王亚利荆瑞英黄红克
Owner 内蒙古百合生态科技有限公司
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