KR101693317B1 - Method for improving soil - Google Patents

Abstract

The present invention relates to a soil improvement method using microorganisms, (A) comprising introducing autotrophic microorganisms; a microorganism culture comprising animal wastes, lime and minerals; a highly absorbent polymer; and a mineral fertilizer selected from the group consisting of kaolinite, montmorillonite, vermiculite, chlorite, gelrite, illite, zeolite, mica, elvan, germanium and basim (natural stone processed product); (B) leveling the field to a depth of 30-40 cm; and (C) for 3-5 months, supplying 5-10 mm of water 2-3 times a day at the beginning and after 4-5 weeks, and reducing the amount of water supplied to 30-50% of the former amount.

Description

{Method for improving soil}

The present invention relates to a method for improving a soiled soil such as a desert into a naturally active soil, and more particularly, to a method for improving an unfavorable soil to a naturally active soil capable of cultivating plants by using an algae as an autotrophic microorganism will be.

Recently, there has been a growing concern about the desertification of China and Mongolia, which are the origin of the damage caused by the yellow dust in our country. Desertification is accelerating due to deeper drying due to global warming and destruction of greenery by an artificial disturbance of ecosystem. Desertification is progressing at a faster rate as the greenland disappears and the surface reflectance increases, which causes the surface to cool down easily and reduce the amount of rainfall.

Accelerating desertification means that the environment in which an organism can live is reduced, so it is necessary to stop the progress of desertification, and furthermore, to make efforts to change the existing desert into a fertile fertile soil.

As a typical method of preventing desertification, there is a method of improving the soil through artificial afforestation. It is used for securing the moisture of the soil using the water storage capacity of the tree and improving the soil quality by using it, and it is being actively carried out in the western part of China.

However, growing trees in desert areas is extremely difficult due to environmental factors. Therefore, before planting the trees, it is necessary to improve the soil first to improve it into a soil having natural activity.

For this purpose, attempts have been made to improve the soil by introducing soil microorganisms into the soil. In order for microorganisms to settle, moisture must be constantly supplied along with nutrients such as organic matter. In the desert, however, it is difficult to draw water from a remote location or to secure groundwater.

Accordingly, the present inventors have found that by appropriately using a water supply system including a dispersed electric power supply facility, a special microorganism group, a nutrient medium, a mineral fertilizer, and a superabsorbent polymer, the sandy soil of a barren desert itself has excellent air permeability, , And bovine nature. These naturally active soils are difficult to establish initially. Once they are formed, it is possible to cultivate crops with a small amount of water. In addition, depending on the type and condition of the mineral fertilizer and nutrient medium to be added, the sandy soil of the desert can be converted into a fertilizer of good quality capable of growing the desired level of crops.

Korean Patent No. 10-0872862 (December 10, 2008) Korean Patent Laid-Open No. 10-2004-0028034 (Apr.

It is an object of the present invention to provide a method for improving the soil which can not survive indigenous microorganisms, such as desert, such as desert, so that desertification can be prevented and the plant can be cultivated.

To achieve the above object, according to the present invention, there is provided a pharmaceutical composition comprising (A) an autotrophic microorganism; A microbial medium consisting of livestock feces, lime and minerals; Mineral fertilizers selected from the group consisting of kaolinite, montmorillonite, vermiculite, chlorite, gelite, ilite, zeolite, mica, elvan, germanium and bases; And a superabsorbent polymer into the soil; (B) Rotating to a depth of 30 to 40 cm; And (C) during 3 to 5 months, initially supplying water in an amount of 5 to 10 mm per 2 to 3 times per day (depth of water accumulated not absorbed by the soil), and 30 to 50 after 4 to 5 weeks % Of the total amount of water to supply the soil.

In step (A), the autotrophic microorganism is preferably an anabaena genus, a Nostoc genus, a Microcoleus genus, an Oscillatoria genus, a Calothrix genus, a Pharmidium genus or a mixture thereof. More preferably, at least one bacterium selected from the group consisting of Aspergillus genus Aspergillus oryzae, Aspergillus niger and Rhizopus nigricans with a fungus fungus is mixed with the cyanobacteria.

An organic fertilizer may be used in place of or in place of the shaft fraction. At this time, organic fertilizer rich in nitrogen and phosphoric acid components can be used, and its shape can be used as a granule type, a fine powder of 100 nm or less or liquefied.

The mineral fertilizer can be used by foaming to improve air permeability, water retention and bobbility, and granular type, 100 nm or less, or liquefied.

In the step (C), the water supply is preferably performed through the drop hose. Also, it is preferable that the water supply is pumped from a tubular well to a drop hose through a distributed generation system such as solar light, wind power or small-scale plasma generation.

In addition, following the step (C), (D) seeding grasses or cereals having deep roots and tall roots to supply and cultivate water; And (E) a post-harvest rotary step.

The superabsorbent polymer is made of a material capable of expanding at 100 to 200 times its magnetic volume and capable of repeated expansion and contraction, and is preferably a polymer having an age of 5 to 10 years.

It is preferable that the above-mentioned independent nutrient microorganisms are used in a range of 1 to 10 g based on 20% dry microorganism, 1 to 2 kg of the medium, 0.1 to 1 kg of the mineral fertilizer and 120 to 150 g of the superabsorbent polymer based on the soil 3.3 m 2 Do.

According to the present invention, a barnyard soil such as a desert can be effectively improved into a naturally active soil, thereby making it possible to prevent desertification and secure a paper for cultivating crops.

1 to 4 are photographs showing improved soil changes and plant growth according to an embodiment of the present invention.
5 is a schematic diagram showing the contents of the present invention.

Hereinafter, the present invention will be described more specifically.

The present invention relates to a method for improving an unfavorable soil to a soil having a natural activity by using an autotrophic microorganism. When the autotrophic microorganism is introduced, a highly absorbent polymer is used so that moisture in the soil can always be maintained above a certain level So that the microorganisms can be stably fixed on the soil (FIG. 5).

According to one embodiment of the present invention, there is provided a pharmaceutical composition comprising (A) an autotrophic microorganism; A microbial medium consisting of livestock feces, lime and minerals; Mineral fertilizers selected from the group consisting of kaolinite, montmorillonite, vermiculite, chlorite, gelite, ilite, zeolite, mica, elvan, germanium and bases; And a superabsorbent polymer into the soil; (B) Rotating to a depth of 30 to 40 cm; And (C) during 3 to 5 months, initially supplying water in an amount of 5 to 10 mm per 2 to 3 times per day (depth of water accumulated not absorbed by the soil), and 30 to 50 after 4 to 5 weeks %, And supplying water by reducing the amount of the water.

Continuous moisture supply is needed to improve the soils, such as desert, into soils where crops can be cultivated. Therefore, it is necessary first to acquire groundwater through the exploration equipment and equip it with a water supply facility that can sprinkle water through the hose. In this case, it is necessary to use electric power for irrigation through continuous pumping or drip hose after drilling the tunnel, and it is difficult to connect the electric wires to areas such as the desert. Therefore, a separate distributed electric power system is required for each district. The development by small-scale plasma generators belongs to this.

Since there is almost no indigenous microorganism in the barren soil, the microorganism should be supplied from the outside. At this time, it is preferable that the microorganism is an autotrophic microorganism that can survive only by replenishing light and moisture in a barren soil having a small amount of organic matter.

Cyanobacteria (cyanobacteria, blue-green algae) are nucleated and chloroplast-free algae, also known as blue-green algae. In addition to chlorophyll-a, β-carotene, micalcoxanthin, and c-ficocyanin and picobillin, and c-picoerythrin. Make a cyanophycean starch or glycogen with an anabolic product.

It lives in the surface layer of the ground, fresh water, and seawater. However, very dry condition and high temperature (80 ℃) are also found. Cyanobacteria also produce a large amount of secretion during their growth, forming a mucous envelope or mucilage sheath outside the cell. This is known as polysaccharides. Its role is to protect itself by containing water, to protect against other organisms, to store essential nutrients, and so on. According to studies by soil botanists, these secretions act as soil particles and chelator, which plays a major role in the formation of water-resistant habitats in the soil, which is known to contribute greatly to improving the water holding capacity and conservation of soil. It forms an elongated fibrous shape and sticks between soil or sand to form an independent structure. In this structure, a variety of lichens, mosses, and fungi are gathered, and these independent structures gather to form a large cake-like sponge body. These sponge bodies prevent the loss of soil from various erosions and absorb and retain moisture .

Cyanobacteria also have a protein content of over 65%, and the protein contains all the essential amino acids necessary for plant growth, thus helping to improve the soil activity even when the cyanobacteria are killed. Due to the enzymatic action resulting from the active metabolism of these microorganisms, soil uptake of sand proceeds rapidly.

In the present invention, it is preferable to use microorganisms such as Anabaena genus, Nostoc genus, Microcoleus genus, Oscillatoria genus, Calothrix genus, Phormidium genus genus, or a mixture thereof.

At this time, it is preferable to use Aspergillus bacteria and Rhizopus nigricans together with the cyanobacteria. Cyanobacterium is a very good nutrition source. However, the skin is thick and the plant absorbs 30 ~ 35% of its efficiency. When Aspergillus oryzae, Aspergillus niger or Rhizopus nigricans are used together with the cyanobacterium, the Aspergillus and Rhizopus nigricans form their own soil There is also a function to activate, but it disassembles the carcass of the cyanobacterium and transforms it into a form that the plant absorbs. In this case, absorption efficiency increases to 90 ~ 95%.

According to one embodiment of the present invention, there is provided a method for producing a microorganism, which comprises culturing in a culture tank a culture medium comprising kaolinite, Montmorillonite, Vermiculite, Chlorite, gelite, ilite, zeolite, mica, elvanite, germanium, And at least one bacterium selected from the group consisting of Aspergillus genus Aspergillus oryzae, Aspergillus niger and Rhizopus nigricans with a fungus fungus are mixed together, And cultured.

More specifically, during the cultivation of cyanobacteria, fine-purified minerals rich in trace elements (kaolinite, montmorillonite, vermiculite, chlorite, gelite, ilite, zeolite, , Germanium, basim, etc.) were added to the culture tank to periodically rotate the cultivator during the cultivation of the cyanobacteria. The precipitated minerals (Kaolinite, Montmorillonite, Vermiculite, Chlorite, Colloidal particles of fine minerals and cyanobacteria are cultivated vigorously, and the resulting polysaccharide is mixed with a point substance in a binding tank and accumulated in a culture tank. The same process is repeated and a very basic step of 'Stromatolite' is formed.

The sediment precipitated and the cyanobacteria cultivated in the upper layer were classified in a culture tank to have a water content of 80 to 90%, and then mixed with 1/2 of the separated cyanobacteria separated from the suspended matter (initial stage of stromatolite) formed below Aspergillus oryzae, Aspergillus niger and Rhizopus nigricans, which were cultured separately and cultured separately, were uniformly mixed at a ratio of 1/1000 to the suspension of stromatolite in the early stage and mixed with cyanobacteria, It is fermented in a fermentation facility fitted with light shielded 27 degrees Celsius.

In this process, the sediments fed by the strain and the excreta of the cyanobacteria are nanoized and replaced with high quality nutrients that the plants can grow.

This fermentation process is performed by fermenting until the fungus strain covers the surface whiten. After cultivation, 1/2 of the cyanobacteria left before incubation is dried in a low temperature drier and mixed evenly. It may be used in liquid form or in powder or pellet form if necessary.

The amount of microorganisms to be added depends on the condition of the soil, but it is 1 ~ 10g per 3.3 ㎡ based on 20% moisture and dry microorganism, and 100ml ~ 1,000ml for culture.

In addition to soil microorganisms, soil microorganisms require nutrients that can be bought first. Organic materials, such as shale-based organic matter, limestone, which is subjected to a rapid reaction process, and various minerals are put together.

Straw counts, poultry, and cows can be used, and it is preferable to use counts. At this time, various types of organic fertilizers rich in nitrogen and phosphoric acid components may be used together with or instead of the above-mentioned shaft fractions. The shape also includes a granule type, a case where high concentration is required in consideration of a distribution cost and a labor cost, and a case where the particle size is not more than 100 nanometers in size to increase the water absorbency, or liquefied. Examples of the minerals include magnesium, iron, boron, manganese, zinc, copper, molybdenum and cobalt. The amount of the above-mentioned medium may vary depending on the condition of the soil, but 1 to 2 kg per 3.3 m 2 may be used.

In the case of a barren soil such as desert, it is not possible to accumulate nutrients, so it is desirable that the soil of the whole soil be formed, but in the case of soil improvement such as large-scale desert greening, time and economical reality is insufficient. Therefore, in the present invention, a certain amount of functional mineral fertilizer having a cation substitution function is added to replace the soil. The soil with strong cation exchange function is a clay mineral. Mineral fertilizers include kaolinite, montmorillonite, gelite (natural pozzolan), ilite, vermiculite, chlorite, Zeolite, mica, elvan, germanium, basement, etc., can emit abundant far-infrared rays, maintain water permeability, and function as a cation substitute. The larger the cation exchange capacity, the greater the proportion of the nutrients used as fertilizers to the crop. In other words, the more fertile the soil, the greater the cation exchange capacity. The mineral fertilizer can be used by foaming to improve air permeability, water retention and bobbility, and granular type, 100 nm or less, or liquefied. The input amount of the mineral fertilizer may vary depending on the state of the soil, but 0.1 to 1 kg per 3.3 m 2 may be used.

In order for microorganisms to settle in the soil, a constant supply of water is required. It is important that the moisture content in the soil is always maintained above a certain level because the atmospheric moisture is evaporated in the area where the barren soil such as desert is located. According to one embodiment of the present invention, water is supplied at a rate of 10 mm (depth of water not absorbed in the soil) each time with a dropping hose for 30 minutes twice or three times in the initial day. However, in order to continuously supply water necessary for microbial growth, A highly absorbent polymer is added to the soil to serve as a tank.

The superabsorbent polymer is made of a material capable of expanding to 100 to 200 times its magnetic volume and capable of repeated expansion and contraction, and it is preferable to use a material having a life of 5 to 10 years. When a water absorbing polymer absorbs moisture, it changes into a gel-like structure. The absorbing power (affinity of the polymer and the water, penetration of water) which intends to confine water in the gel is absorbed in the gel absorbing the water. And a force to suppress the absorption action (rubber elastic force caused by the three-dimensional mesh of the polymer). At the point where the sum of the affinity and the penetration is parallel to the elastic force, the absorption of water and the expansion of the molecular chain are stopped, and the stable state of moisture saturation is attained and the moisture can be kept continuously. When the high absorption polymer is mixed with the soil, the absorption gel serves as a water tank, and as a source of water for microorganism settlement, the water content in the soil can be kept constant. According to one embodiment of the present invention, a commercially available K-SM acrylamide-based super absorbent polymer resin or a soil improving agent (WCS) containing polyacrylic acid as a main component may be used.

The amount of the superabsorbent polymer to be injected may vary depending on the condition of the soil, but 120 to 150 g per 3.3 m 2 may be used. In this case, when the mineral fertilizer, the organic fertilizer and the microorganism are liquefied, the superabsorbent polymer absorbs the liquid phase first or uses the mineral fertilizer organic fertilizer and the superabsorbent polymer absorbing the liquid phase of the microorganism by re- It is also possible to use it in the form of a pellet or a type.

In the case of fine particles, the diffusivity and absorbability of the effect are increased but it is difficult to guarantee the continuity of the effect. Especially in the case of desert soil, there is almost no water conservancy and bibbing power at the beginning, so there is a great risk of losing soil when spraying on the soil surface. Therefore, it is possible to make the liquid mineral fertilizer, organic fertilizer and microorganism absorb through the super absorbent polymer and dry it to reduce the weight and volume so that it can be easily moved and used. Once the microorganism and various nutrients Once filled, it dries to reduce volume and weight, making it easy to use in logistics and use. When the water and temperature conditions are met at the time of field use, the microorganisms are activated immediately, and the nutrients and moisture suitable for them can be discharged gradually over time , It has the advantage of maintaining the continuous effect until the time when the desert soil has its own excellent water retention and bracing ability.

After the above ingredients are added to the soil, they are rotary kneaded to a depth of 30 to 40 cm and mixed with the soil. Then, water is supplied to the soil so that microorganisms can settle. Depending on the condition of the soil, it will provide moisture for 3 to 5 months. Initially, water is supplied in an amount of 5 to 10 mm per two times per day (depth of water not absorbed by the soil), and after 4 to 5 weeks, water is supplied by reducing the amount to 30 to 50%. Dot hoses can be used.

As a result of the improvement of the soil by this method, the soil of about 30cm was improved to the natural active soil, and the cultivation of the crop became possible.

According to another embodiment of the present invention, following step (C), (D) seeding grasses or cereals having deep roots and tall roots to supply and cultivate water; And (E) a post-harvest rotary step.

Once the plant is ready for planting, it is cultivated by sowing deep and tall grass or grain. This is for the purpose of obtaining crops from crops, but to further enhance soil activity. When the crop grows and it is time to harvest, only the necessary parts such as fruit are harvested, and then the plant is left with the plant again. At this time, microorganisms can be added additionally if necessary. By such an operation, the plant acts as a new organic material supply source.

Through this, the soil is activated to a deeper extent. In this state, it is possible to cultivate relatively large crops such as corn. After the crop is cultivated, the necessary work is harvested and the whole work is carried out again.

After repeating this process for 2 ~ 3 years, the soil layer is restored to high quality natural soil up to 50cm ~ 100cm depth. After this, it is also possible to plant large trees.

The present invention relates to a method for improving an unfavorable soil to a soil having a natural activity by using an autotrophic microorganism. When the autotrophic microorganism is introduced, a highly absorbent polymer is used so that moisture in the soil can always be maintained above a certain level It is a technical feature that it is injected together to help the microorganisms settle in the soil stably.

Conventionally, there has been an attempt to record a desert using a polymeric polymer. The method of mixing the polymer with the topsoil to perform the desert vignette does not require a power plant or a complicated water supply system, so it can be said to be an economical desert videotape in time and money. However, basically, it is difficult to complete the purpose of desert greening from a long-term point of view unless overcoming the deficiency of water, and it is possible to attempt desertification of local and local spaces, but as a result, . On the other hand, the soil improvement method using microorganisms has the merit that it is possible to solve the original cause of greening through improvement of the desert soil by improving the water holding capacity and bending strength of the soil itself through the fundamental soil change. However, the inoculated microorganisms must survive the fight against existing microorganisms, and in order to settle the soil microorganisms in the deserted places like desert, the supply of water and nutrients should be maintained for a considerable period. In some cases, There is a drawback that it is likely to fail unless a large-scale power generation facility, a well-known system and a water supply system are followed.

Accordingly, the present invention facilitates the provision of water supply facilities in connection with the distributed generation system. In addition to the water supply system maintenance, the polymer polymer is used to continuously supply water and nutrients in the early stage of soil improvement (recording) It has a system that can give. Thus, even in the extreme case where the water supply system is cut off for one to two months, the polymer polymer can function as a water tank. The water and nutrient storage capacity of the superabsorbent polymer can be a very useful adjunct for the purpose of soil improvement and crop cultivation in long-term dry areas where the overall rainfall is insufficient and suddenly rains like a desert.

[Example]

Hereinafter, the present invention will be described in more detail with reference to examples and test examples.

Example  1: soil activation

I made a square frame with wood and filled up the sand soil to the height of about 15cm.

100 g of medium consisting of lime and magnesium, iron, boron, manganese, zinc, copper, molybdenum and cobalt, 50 g of zeolite, mica, elvan and germanium mixture and 50 g of commercially available superabsorbent polymer resin (WCS-0803) were added to the soil and mixed evenly.

Pepper, lettuce, and cucumber seedlings were planted in the treated and untreated sows, and water was supplied using a drip hose. Moisture was supplied in the amount of 10mm per day twice per day (depth of water not absorbed by the soil), and soil changes and plant growth were observed.

The results are shown in Fig. 1 to Fig.

Fig. 1 shows the degree of water dropout in each soil at the passage of 14 days. There was no difference between the treatment (upper side) and the untreated (lower side) until the first 5 days, but it was confirmed that the water withdrawal delayed after 5 days.

Fig. 2 is a photograph showing changes in the soil of the treated area and the untreated area. As can be seen in FIG. 2, the untreated (left side) remained in the sand state at the end of 23 days, but the treatment (right side) showed that the soil changed and looked like field soil and weed growth started.

Fig. 3 is a photograph showing the roots of lettuce extracted after 3 weeks. The lettuce roots (untreated roots) on the right side are roots formed in the downward direction, but the lettuce roots on the left side (left side) are not only downward but also extended in many directions to form a sponge-like structure, It did not fall easily because it stuck.

Fig. 4 is a photograph after 5 weeks. In the state where the water supply is stopped for 2 weeks, the sand surface of the untreated area on the left side is dry and white, and the pepper seedlings are dry and dead. On the other hand, The moss and grass grow more vigorous even when the soil is stopped, and it can be seen that the soil still retains a considerable amount of moisture even when it is observed through the incised surface. In addition, pepper seedlings grew more than two weeks ago and are still fresh.

Example  2: Activation of desert soil

Soil activation work was carried out in Inner Mongolia desert in China. 1 kg of a cyanobacterial culture solution, 1 kg of a mixture of lime, lime and magnesium, iron, boron, manganese, zinc, copper, molybdenum and cobalt, 2 kg of a mixture of ilite, zeolite, mica, elvan and germanium, 150 g of the water absorbing polymer resin (WCS-0803) was added to the soil. The mixture was rotary kneaded at a depth of 30 cm and mixed with the soil. Moisture was supplied for 3 months using a drop hose. In the early days, water was supplied in an amount of 10 mm 2 per day (depth of the accumulated water not absorbed by the soil), and after 4 to 5 weeks, the amount of water was reduced by 30% to improve the soil.

The rye was sown at a depth of 2 to 3 cm in the soil, and was observed while growing with water sprayed twice a day at 10:00 am and 3:00 pm, about once every 10 mm (the depth of the accumulated water not absorbed by the soil).

As a control, rye was sown at a depth of 2 to 3 cm in the soil not subjected to the above-mentioned soil activating operation, and water was sprayed twice a day at 10:00 am and 3:00 pm at a time of about 10 mm (depth not accumulated in the soil) Respectively.

Ten days after sowing, roots were observed. As a result, fine roots were formed in the roots of the rye grown in the activated soil. However, no fine flecks were formed in the control group, and it was confirmed that the sand soil easily separated when shaking 2 ~ 3 times.

The roots of the control group were formed straight down to absorb moisture and nutrients, but the root of the rye grown in the activated soil was not only sprouted in the downward direction but also extended in various directions to form a sponge-like structure.

Through this, it can be understood that the method for improving the soil of the present invention is effective for improving sand soil to activated soil capable of crop cultivation.

Claims (13)

(A) a micro-mineral powder selected from the group consisting of kaolinite, montmorillonite, vermiculite, chlorite, gelite, ilite, zeolite, mica, elvanite, And cultivated microorganisms mixed with Anabaena genus, Nostoc genus, Microcoleus genus, Oscillatoria genus, Calothrix genus, Phormidium genus, or mixed genus, and the precipitated sediments and cyanobacteria cultured in the upper layer were classified in a culture tank to obtain a water content of 80 To 90%, and then mixing the wells with 1/2 of the cyanobacterium isolated separately from the precipitate formed below. The Aspergillus oryzae, Aspergillus niger, and Rhizopus fungi from the Aspergillus genus, nigricans were mixed, and the mixture was incubated at 27 占 폚 in which light was shielded Fermentation in a fermentation facility, and an independent nutrient microorganism, which is prepared by mixing the cyanobacteria that have been left before cultivation and incubated in a low temperature drier, and evenly mixing them; A microbial medium consisting of livestock feces, lime and minerals; Mineral fertilizers selected from the group consisting of kaolinite, montmorillonite, vermiculite, chlorite, gelite, ilite, zeolite, mica, elvan, germanium and bases; And a superabsorbent polymer into the soil;
(B) Rotating to a depth of 30 to 40 cm;
(C) Pumped from a tubular well to a drip hose through a distributed power generation system such as solar, wind or small-scale plasma generation for 3 to 5 months, initially 5 to 10 mm per 2 to 3 times per day Supplying water in an amount corresponding to the depth of the water that is not absorbed and accumulated, and reducing the amount to 30 to 50% after 4 to 5 weeks;
(D) Sowing deep and tall grasses or cereals and cultivating them; And
(E) A method of improving the desert soils with a rotary step after harvesting. The desert soil improvement method according to claim 1, wherein an organic fertilizer rich in nitrogen and phosphoric acid components is used together with or instead of the shaft fraction. delete delete The desert soil improvement method according to claim 1 or 2, wherein the mineral fertilizer and the organic fertilizer are foamed to increase air permeability, water retention and bobbility, or granular type, . delete delete delete delete [6] The method of claim 1, wherein the superabsorbent polymer is a polymer capable of expanding at 100 to 200 times its magnetic volume and capable of repeated expansion and contraction, and having a content life of 5 to 10 years How to Improve Desert Soil. The method according to claim 1, wherein the superabsorbent polymer is used by absorbing a mineral fertilizer, an organic fertilizer and a liquefied microorganism, or a superabsorbent polymer having a mineral fertilizer, an organic fertilizer and a liquefied microorganism absorbed therein is dried again by a low temperature drier Granule type or pellet type. The desert soil improvement method according to claim 1, wherein the mineral is at least one selected from the group consisting of magnesium, iron, boron, manganese, zinc, copper, molybdenum and cobalt. The method according to claim 1, wherein the autotrophic microorganism has a moisture content of 1 to 10 g, a medium of 1 to 2 kg, a mineral fertilizer of 0.1 to 1 kg, By weight based on the total weight of the soil.

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