Biological base coating material for increasing rainfall infiltration and reducing surface evaporation of shoal soil and preparation method thereof

A covering material and soil biology technology, applied in the field of bio-based covering material and its preparation, can solve the problem of not finding literature reports, and achieve the effects of improving sustainable development, reducing soil moisture evaporation, and improving efficiency

Active Publication Date: 2017-10-24
HOHAI UNIV
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Problems solved by technology

[0006] So far, no literature reports related to the subject of the present invention have been found

Method used

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  • Biological base coating material for increasing rainfall infiltration and reducing surface evaporation of shoal soil and preparation method thereof
  • Biological base coating material for increasing rainfall infiltration and reducing surface evaporation of shoal soil and preparation method thereof
  • Biological base coating material for increasing rainfall infiltration and reducing surface evaporation of shoal soil and preparation method thereof

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with specific embodiments and drawings, but the scope of the present invention is not limited to specific embodiments.

[0033] Isolation and identification of strains

[0034] The soil around the rhizosphere of plants growing sporadically in the bare tidal flats of Jiangsu tidal flats was collected, stored at low temperature, and the functional strains were isolated by using hyperosmotic PDA medium. Put the pieces in water and boil, boil for 30 minutes after boiling, filter with gauze, add 20g of ordinary sucrose and 50g of sodium chloride to the filtrate, set the volume to 1000ml, keep the pH value natural, and sterilize at 115°C for 30 minutes.

[0035] A strain with abundant hyphae and a consolidation effect on fibrous substances was isolated, and the identification showed that the main biological characteristics of the strain were: the flora was yellow-brown, the cyst peduncle was 5-40mm×20-40μm...

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Abstract

The invention relates to a biological base coating material for increasing rainfall infiltration and reducing surface evaporation of shoal soil and a preparation method thereof and belongs to the technical field of soil organism improvement. According to the invention, the microorganism bacterial strain mucor mucedo from Jiangsu shoal saline alkali soil is separated and a biomass material is cured by the hyphae formed in the growth process thereof so as to form a felt coverage with an excellent airtight property, so that the surface moisture conduction is enhanced, the increasing of rainfall infiltration and the reducing of surface evaporation of the shoal saline-alkali soil are effectively promoted and the soil salt return speed is reduced. The rainfall infiltration volume is increased by two times, the soil water evaporation volume is reduced by 63%, the soil organic matter is increased by 5 times and the survival rate of the planted salt-tolerant plant sesbania is increased by 12 times.

Description

technical field [0001] The invention relates to a bio-based covering material for increasing precipitation infiltration and reducing surface evaporation in tidal flat soil and a preparation method thereof, belonging to the field of saline-alkali soil improvement biotechnology. Background technique [0002] my country's mainland coastline starts from the mouth of the Yalu River on the border between China and North Korea in the north, passes through provinces, cities, and autonomous regions such as Liaoning, Hebei, Tianjin, Shandong, Jiangsu, Shanghai, Zhejiang, Fujian, Guangdong, and Guangxi, and ends at the mouth of the Beilun River on the border between China and Vietnam. 000 kilometers, with a large area of ​​tidal flats. For example, the tidal flat area in Jiangsu is more than 10.31 million mu, and the coastline is 954 km long, accounting for more than 1 / 4 of the country, and it continues to silt up at a rate of 30,000-50,000 mu every year. Shandong tidal flat covers an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/16C12N1/14A01B79/02C12R1/785C09K101/00
CPCA01B79/02C09K17/16C09K2101/00C12N1/14C12N1/145C12R2001/785Y02A40/22
Inventor 陈立华郑金海程瑶徐向红金秋张欢韩瑞
Owner HOHAI UNIV
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