Method and application for rapidly developing natural biological membrane of beach reclamation soil

A biofilm and soil technology, applied in the direction of microorganism-based methods, biochemical equipment and methods, botany equipment and methods, etc., can solve the problems of lack of research on soil surface biofilms, and solve the problems of high cost of chemical reagents and improved Tidal flat soil, the effect of reducing environmental risks

Active Publication Date: 2017-05-31
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Previous studies mostly focused on natural biofilms in water bodies, and research on soil surface biofilms was relatively scarce

Method used

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  • Method and application for rapidly developing natural biological membrane of beach reclamation soil
  • Method and application for rapidly developing natural biological membrane of beach reclamation soil
  • Method and application for rapidly developing natural biological membrane of beach reclamation soil

Examples

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Effect test

Embodiment 1

[0036] A technology for rapidly enriching and expanding the cultivation of soil natural biofilm, especially involving in-situ, rapid and large-scale cultivation of soil natural biofilm on the surface of coastal beaches with heavy salinity and materials. By preparing a natural biofilm suspension, In-situ inoculation of tidal flat soil enriches natural biofilm, and mulching accelerates the expansion of soil natural biofilm, thereby effectively controlling soil return to salt in tidal flat reclamation, increasing soil nutrient content, and improving a suitable growth environment for later crop growth. In order to verify the feasibility of this method, the following experiments were set up, the specific steps are:

[0037] (1) Collection of typical coastal tidal flat soil: In the tidal flat reclamation area of ​​Sheyang County, Yancheng City, Jiangsu Province, 500 kg of 0-20cm tidal flat soil was collected. The soil salt content was above 0.15%, and the soil was transported back to...

Embodiment 2

[0047] In this example, the wild tidal flat soil with a certain natural biofilm such as Image 6 , using the in situ enrichment method to directly enrich soil natural biofilms in the field.

[0048] (1) In situ enrichment of natural biofilm in tidal flat soil: dig a 1 m 3 ponds, covered with plastic film. Under the conditions of abundant sunshine and moderate temperature (above 25°C), put the decomposed straw into the pond for rapid enrichment of natural biofilm.

[0049] (2) Preparation of tidal flat soil natural biofilm suspension: In the water inlet channel, enclose a closed space, cover it with a plastic film, add enriched soil biofilm and water, and the mass ratio of water to biofilm is 10: 1. Fully stir the water and biofilm with a wooden stick to prepare a soil biofilm suspension for later use.

[0050] (3) Tidal flat soil leveling and design of supporting facilities: The tidal flat reclamation soil leveling is to use excavators to plow and bulldoze the reclamation l...

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Abstract

It is a major nation strategic plan for the development of the agriculture after the coastal reclamation of tidal flats, however, the soil of the newly reclaimed tidal flat is featured by high salinity and low nutrient, which seriously limits the process of agricultural development in the tidal flats. The invention relates to a method and application for rapidly developing natural biological membrane of beach reclamation soil, in particular to a method and a material for rapidly and extensively developing natural biological membrane of the soil surface of the coastal beach seriously salty and in situ. The natural biological membrane is enriched by inoculating prepared natural soil suspension and the soil in situ, and the soil natural biological membrane is accelerated and expanded by some technical methods, which can effectively control soil salinization, enhance soil nutrient content and improve beach soil, so as to provide a strong guarantee for the sustainable development of coastal beach agriculture.

Description

technical field [0001] The present invention relates to a method and application for quickly cultivating natural biofilms in tidal flat reclamation soil, in particular to materials and methods for in-situ, rapid and large-scale cultivation of soil natural biofilms on the surface of heavily saline soil in coastal tidal flats. By preparing natural biofilm suspension In situ inoculation of tidal flat soil to enrich natural biofilm, and mulch to accelerate the expansion of soil natural biofilm, so as to effectively control the return of salt in tidal flat reclamation soil, increase soil nutrient content, and provide a suitable growth environment for later crop growth. It belongs to saline soil The field of biological improvement technology. Background technique [0002] my country's coastal tidal flats are widely distributed and have a large area, which is a huge potential land reserve resource with great potential for expansion. With the rapid advancement of urbanization, ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G33/00A01K67/033C12N1/12C12N1/20C12N1/10A01B79/02C12R1/89C12R1/90
CPCA01B79/02A01G33/00A01K67/033C12N1/10C12N1/12C12N1/20
Inventor 陆海鹰邵宏波杨林章徐照龙成明根冯彦房郭士伟黄益洪彭陈刘佳
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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