Method for vegetation restoration in ecological fragile zones of coastal heavy saline-alkali soil

A technology for ecologically fragile and vegetation restoration, applied in land preparation methods, botanical equipment and methods, and soil-lifting machinery, etc., can solve problems such as government economic pressure, environmental pollution, and foreign soil greening, reduce pesticides, and improve soil. , the effect of root development

Inactive Publication Date: 2013-12-18
TIANJIN SEASHORE SALINE ALKALI SOIL BIOLOGICAL PLANTING ENG
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Problems solved by technology

With the increase of the area, the application of this technology has the following disadvantages: (1) The cost is relatively high, more than 100-200 yuan/m 2 , the government’s economic pressure is very high; (2) The greening of alien soil destroys farmland and pollutes the environment; and this ecolo...

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  • Method for vegetation restoration in ecological fragile zones of coastal heavy saline-alkali soil
  • Method for vegetation restoration in ecological fragile zones of coastal heavy saline-alkali soil
  • Method for vegetation restoration in ecological fragile zones of coastal heavy saline-alkali soil

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Embodiment 1

[0039]The research site is located in the Binhai Salt-alkali Tolerance Plant Science and Technology Park, Dagang District, Tianjin, covering an area of ​​27hm 2 . Before 1996, it was a saline-alkali wasteland. The main vegetation was salinized meadows such as Tamarix chinensis Lour., Suaeda glauca Bge., and Phragmites communis Trin. Gossypium Spp.), corn (Zea mays L.) and other crops, but there is a lack of seedlings and ridges, and the yield is low and unstable; in 2004, the Tianjin Salt-alkali Tolerance Plant Science and Technology Park was established until now.

[0040] The total amount of soil microorganisms is 0.75×10 5 ~14.19×10 5 cfu·g -1 Between, the difference is 19 times, but most of them are in 10 5 Compared with other regions or other types of soils, the microbial population is less by orders of magnitude. Among them, bacteria accounted for an absolute advantage (more than 83%), followed by actinomycetes, and fungi were the least (less than 1%). With the incr...

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Abstract

The invention relates to a method for vegetation restoration in ecological fragile zones of coastal heavy saline-alkali soil. The method includes the steps of (1) land leveling and ploughing and loosening: ploughing land by 30 cm, breaking up clods, ridging according to plots, and leveling land to enable height difference not to exceed 5cm; (2) selection and application of soil bacterial manure: adopting one of gold probiotics bacterial manure or a Frisol A+F microbial agent; and (3) vegetable planting or growing. The method has the advantages that a saline-alkali soil improvement effect is remarkable, salinity in high saline-alkali soil is reduced effectively within a short time (within a growing season), secondary alkalization is prevented, soil fertility is improved, microfloras are established, soil ripening is quickened, progress of vegetation restoration of the heavy saline-alkali soil is accelerated, vegetable survival rate in the current year is ensured to be above 95%, cost is lowered, and the method is a biological saline-alkali soil improvement measure with water resources saved.

Description

technical field [0001] The invention relates to a vegetation restoration technology, in particular to a method for restoring vegetation in an ecologically fragile coastal heavy saline-alkali land by using microbial fertilizer. Background technique [0002] The restoration of fragile ecological areas is the main goal of ecological environment construction in various countries, but the natural status quo of weak soil, declining soil fertility, drought, water shortage, and sparse vegetation in fragile ecological areas makes the realization of this goal face great difficulties. The northern coastal area is an economically developed area focused on development and construction in northern my country. Forestry ecological environment construction is responsible for improving the investment environment in coastal areas, improving the quality of production and living space for residents, protecting agricultural production in agricultural areas, and resisting sea winds, waves, and othe...

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Application Information

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IPC IPC(8): A01B79/02A01B77/00A01G1/00C05G3/04C05G3/80
Inventor 杨永利尹建道杨臻琼
Owner TIANJIN SEASHORE SALINE ALKALI SOIL BIOLOGICAL PLANTING ENG
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