Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method of converting severely lost soil on a surface layer of a mudflat into a forest land in a quick and highly efficient manner

A topsoil and soil technology, which is applied in the field of fast and efficient recovery of heavily missing soil in tidal flat topsoil to forestry land, to achieve fast restoration speed, efficient restoration of vegetation, and improvement of target soil structure and fertility

Inactive Publication Date: 2017-04-26
NANJING FORESTRY UNIV
View PDF6 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, how to restore the soil with severe topsoil loss to forest land also poses new challenges to previous restoration techniques

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] The ecological engineering method for recovering the severely missing soil in the tidal flat topsoil with a thickness of 1.2-1.3 m as high as 1.2-1.3 m is explained below in detail. Proceed as follows:

[0024] 1) Plow 30-50 cm;

[0025] 2) Irrigate 2000-3000 m 3 hm -2 ;

[0026] 3) After the water dries up naturally, repeat 1) and 2) for 4-6 months;

[0027] 4) Pile the soil on both sides of the plowing area toward the middle to form a ridge belt with a ridge height of 50 cm and a width of 2.5-3.0 m;

[0028] 5) Dig drainage ditches with a depth of 50 cm and a width of 20-30 cm on both sides of the plowing area;

[0029] 6) Repeatedly irrigate and wash the soil in the ridge until the salt content of the 0-50 cm soil reaches 0.3-0.5%;

[0030] 7) Crush rice husks and straws to a particle size of 2-10 mm;

[0031] 8) Spread 10-15 cm of crushed rice husk and straw on the soil surface;

[0032] 9) Plow 50 cm, mix rice husk, straw and soil evenly;

[0033] 10) Irri...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an ecological engineering method of converting severely lost soil on a surface layer of a mudflat into a forest land in a quick and highly efficient manner. The method comprise the following steps: firstly, turning over soil in a high-strength and high-frequency manner, and conducting artificial irrigation to accelerate alternation of wetting and drying; and secondly, conducting ridging and salt-leaching; thirdly, applying organic materials, covering the soil with films, removing the films, and ploughing the soil; fourthly, applying organic fertilizers, biochar and calcium superphosphate; and fifthly, planting green manure, and planting shallow-root salt-tolerant trees and shrubs after ploughing down of the green manure. On the basis of artificial acceleration of a natural ecological process, high-strength and high-frequency alternation of wetting and drying and anaerobic / aerobiotic natural ecological processes are conducted on raw soil layers, and organics are artificially added to conduct fermentation to bring heat and maturation, so soil structures can be improved quickly. Salt-leaching is conducted on the basis of ridging of home positions, and the biochar, organic fertilizers and calcium superphosphate are added, so soil nutrients are increased, the soil conservation capacity and the soil buffer capacity are improved, and the pH and the salt content are reduced. The method helps to restore forest lands in a quick and highly efficient manner, and is also suitable for improving and greening destroyed soil or polluted soil with surface layers removed in coastal zones.

Description

technical field [0001] The invention belongs to the technical field of soil improvement and ecological engineering restoration, and specifically relates to a method for quickly and efficiently restoring the heavily missing soil in the surface soil layer of tidal flats into forest land. [0002] technical background [0003] Under the national strategic deployment of coastal development, coastal tidal flats, as a backup base for food security, are gradually improving qualified tidal flats into farmland as planned. At the same time, in order to reduce and control wind damage, the construction of windbreak forest belts is also implemented simultaneously. Windbreak forest belts often need to be ridden about 1.5 m to prevent saline-alkali stress on tree growth. Due to the lack of overall planning in the early stage and unreasonable soil borrowing and ridging engineering, the topsoil layer of some farmland soil was seriously missing, and the thickness of the missing soil layer was...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02
CPCA01B79/02
Inventor 韩建刚汤逸帆朱咏莉
Owner NANJING FORESTRY UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com