CN1041588C - Method for cultivating plant in saline-alkali soil area - Google Patents

Abstract

The present inverntion relates to a method for cultivating plants in saline-alkali areas, which comprises the main process flow that saline-alkali soil is taken out for a soil improvement; an isolating layer is padded in the bottom face of a pit which the saline-alkali soil dredged from; a geotechnical membrane is made into an isolating bag according to the size, the volume and the shape of the soil pit, and put in the pit; improved soil and cultivated plants are cultivated in the pit. Plants cultivated by the method are not etched by saline-alkali substances and has long growth time.

Description

The method of a kind of salt, alkali regional culture plant

The present invention relates to the method for a kind of salt, alkali regional culture plant, the method for particularly a kind of salt, alkali regional culture plant is applicable to that improve the soil in salt, alkali area, cultivated plant.

In the prior art, salt, the alkali area is owing to salt in the soil, the alkali content height, cause plant to survive, cause the serious waste of natural resources, for addressing this problem, the agricultural science and technology worker of China adopts the method for changing nutrition soil, both at salt, cut the earth in the alkali ground and cheat, again on heatable adobe sleeping platform renews, also be the method for changing nutrition soil, cultivated plant is though this method of growing plants can make plant survive at short notice, but because salt in the soil, alkali is constantly to the infiltration of nutrition soil, when being seeped into when a certain amount of, plant will be dead, causes cultivated plant every year, Si Wang situation every year.

The object of the present invention is to provide a kind of method, make salt, alkali not infiltrate the method that is applicable to salt, alkali regional culture plant in the plant by improving the soil and in the heatable adobe sleeping platform of cultivated plant, being encased inside separation layer, putting isolation pocket.

Technical scheme content of the present invention comprises: the method for a kind of salt, alkali regional culture plant, it is characterized in that: the main technique flow process is: taking-up salt, alkaline earth carry out soil melioration, be encased inside separation layer in the bottom surface, hole of digging out salt, alkaline earth, geomembrane is made isolation pocket by the size of heatable adobe sleeping platform and volume shape put into the hole, soil, the cultivated plant after improvement gone in training, and concrete operation method is the following step successively:

A, by the volume requirement of cultivated plant, 1., to be that 98% sulfuric acid solution is rare by 1: 100 proportioning degree of sulfuric acid and water with concentration become aqueous sulfuric acid take out salt, alkaline earth carries out soil melioration:; 2., evenly spray one deck aqueous sulfuric acid by per 20 centimeters thick salt, alkaline earth, improvement salt, alkaline earth earth;

B, be encased inside the nonwoven separation layer, geomembrane made isolation pocket by the size of heatable adobe sleeping platform and volume shape put into the hole at the heatable adobe sleeping platform bottom of the salt that digs out, alkaline earth;

C, the soil after improvement, cultivated plant are gone in training in heatable adobe sleeping platform.

An important feature of the present invention is: adopt the biological culture technique of geotextile on salt, alkali ground, the salt of geotextile, alkali etch are the strength retrogression to the main influence of engineering, and for its permeable characteristic, the physical characteristic influence is little, therefore, the growth of cultivated plant is unaffected.

The invention has the advantages that:

1, owing to adopts improvement salt, alkali area soil and the biological culture technique of geotextile, not only improve salt, alkaline earth earth structure, make full use of the characteristic of the antiseepage that geotextile has, anti-salt, alkali, isolation, filtration, and, the pattern of forming a kind of suitable plant growing reaches the purpose of salt, alkali regional culture plant.

2, improve the soil, the raw materials used wide material sources of cultivated plant, operating procedure is easy, cost is low, promotes the use of easily.

Below in conjunction with embodiments of the invention are described:

The method of a kind of salt, alkali regional culture plant, the main technique flow process is: taking-up salt, alkaline earth carry out soil melioration, be encased inside separation layer in the bottom surface, hole of digging out salt, alkaline earth, geomembrane is made isolation pocket by the size of heatable adobe sleeping platform and volume shape put into the hole, soil, the cultivated plant after improvement gone in training, and concrete operation method is the following step successively:

A, by the volume requirement of cultivated plant, 1., to be that 98% sulfuric acid solution is rare by 1: 100 proportioning degree of sulfuric acid and water with concentration become aqueous sulfuric acid take out salt, alkaline earth carries out soil melioration:; 2., evenly spray one deck aqueous sulfuric acid by per 20 centimeters thick salt, alkaline earth, transformation salt, alkaline earth earth;

B, be encased inside the nonwoven separation layer, geomembrane made isolation pocket by the size of heatable adobe sleeping platform and volume shape put into the hole at the heatable adobe sleeping platform bottom of the salt that digs out, alkaline earth;

C, the soil after improvement, cultivated plant are gone in training in heatable adobe sleeping platform.

Wherein, geomembrane can adopt polypropylene material to make, and nonwoven adopts polyester material to make.

Claims (2)

1, the method for a kind of salt, alkali regional culture plant, its concrete operation method follows these steps to successively:

A, by the volume requirement of cultivated plant, 1., to be that 98% sulfuric acid solution is rare by 1: 100 proportioning degree of sulfuric acid and water with concentration become aqueous sulfuric acid take out salt, alkaline earth carries out soil melioration:; 2., evenly spray one deck aqueous sulfuric acid by per 20 centimeters thick salt, alkaline earth, transformation salt, alkaline earth earth;

B, be encased inside the nonwoven separation layer, geomembrane made isolation pocket by the size of heatable adobe sleeping platform and volume shape put into the hole at the heatable adobe sleeping platform bottom of the salt that digs out, alkaline earth;

C, the soil after improvement, cultivated plant are gone in training in heatable adobe sleeping platform.

2, the method for a kind of salt according to claim 1, alkali regional culture plant, it is characterized in that: described geomembrane is made by polypropylene material, and nonwoven is to be made by polyester material.