KR101382147B1 - Compostion for improving soil - Google Patents

Abstract

The present invention relates to a composition for improving soil. According to one embodiment of the present invention, the composition for improving the soil includes 50-56 wt% of a wetting agent, 10-13 wt% of a nonionic surfactant, and 33-39 wt% of a functional ingredient. The functional ingredient includes an alga extract, nitrogen, calcium, and soluble silicate at a weight ratio of 1 : 0.1-0.5 : 0.1-1 : 0.5-1.5. The wetting agent includes a binder, phytic acid salt, and polyol in a weight ratio of 1 : 0.1-1 : 1-5. The alga extract is prepared by extracting laver, kelp and sargassum at a weight ratio of 1 : 0.1-1 : 0.5-1.

Description

Composition for improving soil {Compostion for improving soil}

The present invention relates to a composition for improving soil. More specifically, the present invention relates to a soil improvement composition including a wetting agent, a nonionic surfactant, and a functional ingredient in an optimal range, and having an excellent wetting effect and an effect of preventing drought damage and excessive use of water.

Soil moisture is quantitatively impregnated between soil particles and pores due to the penetration of water that has reached the surface during the water cycle. May be included accordingly. Such soil moisture causes various physical, chemical and biological actions in the soil.

Soil moisture can be divided into available and unavailable reactive moisture for plants. The criterion indicates the strength of the force that moisture is absorbed into the soil and the superiority of the force that plants are trying to absorb. In general, the optimal function for crop cultivation is known to be about 60-80% of the maximum water content, and the effective moisture is known to increase as the soil particles get smaller.

Soil moisture is also classified into bound water, hygroscopic water, capillary water and gravity water, where maternal water is water present in small pores (cleft, capillary) of soil and is absorbed and maintained by surface tension. It is known as effective moisture that can be utilized by absorbing.

Soil moisture is known to be transported by capillary phenomena related to the attractive force between soil particles and water molecules and the surface tension of soil voids.

Watering is usually carried out when 50 to 80% of the effective water is consumed. At this time, when the soil is dried and its properties change to hydrophobic, the water being watered is not absorbed by the soil particles and is mostly lost through the drain hole. In the case of the soil, there is not enough water for the plant to absorb, which causes the lack of water and the inhibition of growth.

On the other hand, when a surfactant having a hydrophilic group (Hydrophilic) and a lipophilic group (Lipophilic) at the same time to the soil, the lipophilic component of the surfactant is collected on the surface of the soil water and the hydrophilic part is changed to the water bonded state, As a result, the cohesion, surface tension and cohesion of water are physically broken or reduced, thereby easily increasing the contact area between water and soil. Therefore, it is known that the dispersion of soil water and the movement of moisture in the soil are easy, so that the amount of water absorbed by plants is increased (Elliott, 1992; Powel, 1982). Has been conducted to develop

On the other hand, algae are known to be useful as fertilizers and soil organic resources in relation to the growth of plants (Stephenson, 1974) .Also, algae extracts are treated to biological farming and horticultural crops to grow crops, reduce pests, and produce products. It can increase the quantity of water and improve the quality. The effects that can be obtained from seaweed treatment are known to be based on the supply of plant hormones and trace elements in seaweed (Verkleij, 1992).

An object of the present invention is to provide a composition for improving the soil that is environmentally friendly and excellent in promoting the growth of crops.

Another object of the present invention is to provide a composition for improving soil, which can reduce the watering cycle of water.

Still another object of the present invention is to provide a composition for improving soil, which can minimize damage caused by drought and dry season.

Still another object of the present invention is to provide a soil improvement composition having excellent economic effects.

One aspect of the present invention relates to a composition for improving soil. In one embodiment the composition for soil improvement comprises 50 to 56% by weight of wetting agent, 10 to 13% by weight of nonionic surfactant, and 33 to 39% by weight of the functional ingredient, the functional ingredient is seaweed extract, nitrogen, calcium and Soluble silicic acid is included in a weight ratio of 1: 0.1 to 0.5: 0.1 to 1: 0.5 to 1.5, and the wetting agent comprises a binder, a phytic acid salt and a polyol in a weight ratio of 1: 0.1 to 1: 1 to 5, and the algae extract Silver seaweed, kelp and hatban is characterized in that extracted from 1: 0.1 to 1: 0.5 to 1 weight ratio.

In one embodiment the binder is characterized in that it comprises at least one of starch, arabinooxylan, pectin, glycogen, cellulose, flour, dextrin and chitin.

In one embodiment the plant salt is characterized in that it comprises at least one of sodium and potassium salts of alpha-hydroxypropionic acid (α-hydroxypropionic acid).

In one embodiment the polyol is characterized in that it comprises one or more of glycol, glycerol, arabitol, xylitol, erythritol, maltitol, ribitol, lacitol and sorbitol.

In one embodiment, the nonionic surfactant is characterized in that it comprises one or more of sugar alcohol fatty acid esters, polyhydric alcohol fatty acid esters and fatty acid alkanol amides.

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In one embodiment, the auxiliary binder further comprises 0.1 to 10 parts by weight based on 100 parts by weight of the soil improvement composition, wherein the auxiliary binder is characterized in that it comprises one or more of calcium salt, sodium salt and ammonium salt of lignosulfonic acid.

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In one embodiment further comprises 0.1 to 5 parts by weight of the co-wetting agent based on 100 parts by weight of the soil improving composition, wherein the co-wetting agent is characterized in that it comprises at least one of sodium carboxymethyl cellulose and cellulose ether.

Soil improvement composition according to the present invention is excellent in the wettability and soil residual properties can minimize the damage caused by drought and dry season, can reduce the watering cycle of water, environmentally friendly and excellent growth promoting effect, natural It can save resources, energy and labor costs, and it is economically effective, so it can satisfy both aspects of fertilizer and soil improver at the same time.

Figure 1 (a) is a photograph showing a grass area applying the soil improvement composition according to an embodiment of the present invention, Figure 1 (b) shows a grass area applying the soil improvement composition according to a comparative example of the present invention. It is a photograph.
Figure 2 (a) is a photograph of the seedling seedling by applying the composition for soil improvement according to an embodiment of the present invention, Figure 2 (b) is applied to the soil improvement composition according to the comparative example of the present invention It's a photo of the child.

Hereinafter, the soil improving composition according to the present invention will be described in more detail.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to be exemplary, self-explanatory, allowing for equivalent explanations of the present invention.

One aspect of the present invention relates to a composition for improving soil. In one embodiment, the soil improvement composition may include a humectant, a nonionic surfactant, and a functional ingredient.

In one embodiment, the soil improving composition includes 45 to 60 wt% of a wetting agent, 8 to 15 wt% of a nonionic surfactant, and 30 to 45 wt% of a functional component, based on the total weight of the composition, wherein the wetting agent is a binder, Plant salts and polyols, the functional ingredient may include seaweed extract, nitrogen, calcium and soluble silicic acid. It is excellent in the soil residual property in the above range, it can be excellent in the growth promoting effect of the crop.

Wetting agent

The wetting agent absorbs the capillary water around the soil to supply moisture to the root of the plant, and may be included for the purpose of minimizing the evaporation of soil moisture.

In one embodiment the wetting agent may include a binder, a phytoacid salt and a polyol.

The binder may be included to appropriately adjust the viscosity of the soil improvement composition to minimize evaporation of soil moisture. In one embodiment, the binder may include starch, arabinoxylan, pectin, glycogen, cellulose, flour, dextrin, chitin, and the like. These may be used alone or in combination of two or more. Including the above components can be effectively decomposed in the soil without polluting the environment effectively have a wetting effect to prevent drought damage and reduce watering cycle.

The plant acid salt may be included to further increase the wetting effect of the wetting agent. In one embodiment the plant salt is characterized in that it comprises at least one of sodium and potassium salts of alpha-hydroxypropionic acid (α-hydroxypropionic acid). The use of this kind of plant acid salt can further enhance the wetting effect of the wetting agent.

The polyol may be included for the wettability of the soil improving composition. In one embodiment the polyol is characterized in that it comprises one or more of glycol, glycerol, arabitol, xylitol, erythritol, maltitol, ribitol, lacitol and sorbitol.

In one embodiment, the humectant may include a binder, a phytic acid salt and a polyol in a weight ratio of 1: 0.1-1: 1-5. Preferably 1: 1 may be included in a weight ratio of 2: 1 to 2. In the above range, when the phytoacid salt and the polyol are used alone, the synergistic effect of wettability is better, the water can be easily moved by the osmotic action of the plant root fiber, and drought and dry season by minimizing the evaporation of soil moisture to the atmosphere. Damage can be minimized.

In one embodiment the wetting agent may be included in the 45 to 60% by weight relative to the total weight of the soil improvement composition. Preferably 48 to 58% by weight may be included. More preferably 50 to 56% by weight may be included. When the wetting agent is included in less than 45% by weight, the wetting effect of the soil improvement composition is lowered, so that the water supply effect to the plant roots and the soil moisture retention effect is lowered, and when included in excess of 60% by weight can be economically lowered have.

Nonion  Surfactants

The nonionic surfactant further improves the wettability of the soil improving composition and enhances the hydrophilic property of the soil so that water on the surface can easily penetrate into the soil, thereby facilitating dispersion of soil moisture and movement of soil moisture. It may be included for the purpose of improving the transport of soil moisture to plant roots. In one embodiment, the nonionic surfactant may include at least one of sugar alcohol fatty acid esters, polyhydric alcohol fatty acid esters, and fatty acid alkanol amides. These may be used alone or in combination of two or more.

In one embodiment, sugar-alcohol fatty acid esters may include sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and sucrose fatty acid esters.

In one embodiment, as the polyhydric alcohol fatty acid esters, glycerin fatty acid ester, polyglycerol fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyethylene glycol fatty acid ester, and the like may be used.

In one embodiment, as fatty acid alkanolamides, lauric acid diethanolamide may be used.

In one embodiment, the fatty acid may be saturated or unsaturated, substituted or unsubstituted. In addition, the fatty acid may comprise 6 to 22 carbon atoms. Including the non-ionic surfactant in the above conditions, harmless to the human body, environmentally friendly, excellent biodegradability, it can be easy to move and disperse soil moisture to plant roots.

In one embodiment, the nonionic surfactant may be included in an amount of 8 to 15 wt% based on the total weight of the soil improving composition. Preferably 10 to 15% by weight may be included. More preferably 10 to 13% by weight may be included. When the nonionic surfactant is included in less than 8% by weight, the dispersibility and mobility of the soil moisture is lowered, and when the nonionic surfactant is included in an amount of more than 15% by weight, the wettability of the soil improvement composition may be reduced.

Functional ingredient

The functional ingredient is fertilized by supplying nutrients to the soil, and may be included for the purpose of promoting growth, such as supplying nutrients to the plant and root growth.

In one embodiment the functional ingredient may include seaweed extract, nitrogen, calcium and soluble silicic acid. The algae extract is supplemented with potassium, phosphorus and trace components useful for plant growth in the present invention, it may be included for the purpose of replenishing trace substances that are easy to lack in the soil. The algae used for the algae extract is one of laver (Porphyra tenera), seaweed (Capsosiphon fulvescens), green seaweed (Enteromorpha), kelp (Laminaria), sargassum fulvellum, seaweed (Undaria pinatifida) and 톳 (Hizikia fusiforme) The above can be used. Using this kind of algae can fertilize soil and promote plant growth.

In one embodiment, the seaweed extract may be used seaweed, kelp and hatban. In one embodiment, the seaweed extract extracted from the seaweed, kelp and hatban in a weight ratio of 1: 0.1 to 1: 0.5 to 1 may be used. Under the above conditions, the supply effect of the useful ingredient included in the seaweed to the soil and plants may be excellent.

The algae extract is available to all parts of the algae, can be extracted in a conventional manner. For example, hot water extraction or solvent extraction may be used.

In one embodiment, the hot water extraction may be performed by adding 20 to 40 parts by weight of the seaweed to 100 parts by weight of water and heating it at a temperature of 60 to 90 ° C. for 25 hours and then filtering off the solids.

In one embodiment, the solvent extraction may be carried out by adding 100 to 150 parts by weight of the seaweed to 100 parts by weight of solvent and heating for 13 hours at a temperature of 80 ~ 100 ℃ and then by filtering off the solids. In one embodiment, the solvent may be acetone, ethyl acetate, diethyl ether, benzene, chloroform, hexane and alcohol having 1 to 10 carbon atoms. By the above extraction method, useful components of the seaweed can be easily extracted without damage.

The nitrogen and calcium may be included for the purpose of plant growth and fertility of the soil.

The soluble silicic acid provides useful ingredients to plants, and may be included for the purpose of reforming the acidified soil into a weakly basic soil suitable for growing plants. The soluble silicic acid is preferably used in the liquid form of silicic acid to facilitate absorption into crops. In one embodiment, the liquid silicic acid may be prepared by a common method of preparing a liquid acid silicic acid, for example, silica or silica sand by mixing potassium carbonate or sodium carbonate and heating at least 1500 ° C. in a smelting furnace to filter, purify, and adjust components. have.

In one embodiment, the soluble silicic acid may be used by adding a powdery silicate compound or silicate mineral in addition to the liquid silicic acid. As the silicate compound, SiO ₂ , CaSiO ₃ , MgSiO ₃ , Na ₂ SiO ₃ , K ₂ SiO _3, etc. may be used, and as the silicate minerals, rare earth, monazite, zeolite, precious stones, elvan, diatomaceous earth, lime, etc. Can be.

In one embodiment, the functional ingredient may include seaweed extract, nitrogen, calcium, and soluble silicic acid in a weight ratio of 1: 0.1 to 1: 0.1 to 1: 0.1 to 2. Preferably it may be included in a weight ratio of 1: 0.1 to 0.5: 0.1 to 1: 0.5 to 1.5. When included in the weight ratio, the soil may be easily alkaline, and its synergistic effect may be superior to that containing the functional ingredient alone. When the ratio is out of the nutrient supply effect of the soil improvement composition may be lowered.

In one embodiment the functional ingredient may be included 30 to 45% by weight based on the total weight of the soil improving composition. Preferably 30 to 40% by weight. More preferably 33 to 40% by weight may be included. When the functional ingredient is contained in less than 30% by weight, the nutritional component supply, soil improvement and plant growth promoting effect is lowered, when it contains more than 45% by weight, the moisture supply effect and wettability of the soil improvement composition is reduced and the soil This overly strong base can lead to lower plant growth.

Secondary binder

Soil improvement composition of the present invention may further comprise an auxiliary binder. The auxiliary binder may be included for the purpose of preventing the loss of soil moisture without increasing the viscosity of the soil improvement composition to inhibit the water supply around the plant roots. In one embodiment the auxiliary binder may include one or more of calcium salt, sodium salt and ammonia salt of lignosulfonic acid.

In one embodiment, the auxiliary binder may include 0.1 to 10 parts by weight based on 100 parts by weight of the soil improvement composition. Preferably it may comprise 0.5 to 5 parts by weight. The soil moisture loss around the plant roots can be easily prevented without inhibiting the soil moisture movement and dispersion capacity of the soil improvement composition in the above range.

Auxiliary wetting agents

In addition, the soil improvement composition of the present invention may further comprise a secondary wetting agent. The auxiliary wetting agent may be included for the purpose of improving the wetting effect of the soil improvement composition. In one embodiment the co-wetting agent may comprise one or more of sodium carboxymethyl cellulose and cellulose ether.

In one embodiment may further comprise 0.1 to 5 parts by weight of the auxiliary wetting agent based on 100 parts by weight of the soil improvement composition. Preferably it may further comprise 0.5 to 3 parts by weight. In the above range can improve the wetting effect without inhibiting the soil moisture movement and dispersion capacity of the composition for soil improvement.

In one embodiment, the above-described soil improvement composition may be watered by including water in a weight ratio of 1:30 to 1: 100. Preferably it may be watered, including in a weight ratio of 1:40 to 1:50. Moisture supply effect, the nutrient supply effect of the soil improvement composition in the above range can be excellent.

Hereinafter, the configuration and operation of the present invention will be described in more detail with reference to preferred embodiments of the present invention. However, the following examples are provided to aid understanding of the present invention, and the scope of the present invention is not limited to the following examples. Details that are not described herein will be omitted since those skilled in the art can sufficiently infer technically.

Example  And Comparative Example

Example  1 to 3 and Comparative Example  1-5

To prepare a soil improvement composition according to Examples 1 to 3 and Comparative Examples 1 to 5 to the content of Table 1. The components used at this time are as follows.

(a) Wetting agent: A binder (starch), a vegetable salt (sodium salt of alpha-hydroxypropionic acid) and a polyol (glycerol) were used.

(b) Nonionic surfactant: Sucrose fatty acid ester was used.

(c) Functional ingredients: Seaweed extract, nitrogen, calcium and soluble silicic acid, which were obtained by extracting seaweed including seaweed, kelp and hatban in a ratio of 1: 0.5: 0.7 by weight for 3 hours after extraction in ethyl acetate at 80 ° C. for 3 hours, were filtered. .

Content (% by weight) Example Comparative Example One 2 3 One 2 3 4 5 Wetting agent bookbinder 11.25 20 10.6 10.6 25 - 12.5 10 Phytate 9 10 10.6 10.6 - 30 10 30 Polyol 33.75 20 31.8 31.8 20 15 37.5 10 Nonionic surfactant 10 10 12 12 6 15 - 10 Functional ingredient Seaweed Extract 11.61 12.9 15.9 2.5 10.9 12.9 12.9 - nitrogen 3.48 3.87 1.6 4.5 10.9 3.87 3.87 5.7 calcium 3.48 3.87 1.6 3 10.9 3.87 3.87 5.7 Availability 17.43 19.36 15.9 25 16.3 19.36 19.36 28.6 Sum 100 100 100 100 100 100 100 100

Test Example

The following items were evaluated with respect to the soil improvement compositions of Examples 1 to 3 and Comparative Examples 1 to 5.

(1) Soil moisture content test: In order to evaluate the wettability of the present invention, a column having an inner diameter of 5 cm and a height of 15 cm was prepared and weighed, and the bottom was equipped with a 30 mesh strainer. Vermiculite was prepared by mixing vermiculite, zeolite powder, cocoite, and pearlite granules. At this time, the vermiculite granules, zeolite powder used hygienic ones foamed at 1,000 ℃ or more. The topsoil was charged to the column 12 cm high and the column was weighed again. At this time, the moisture content of the soil was 13 to 15%, and the filling density was adjusted to 0.08 g / cm 3. Prepare a solution obtained by diluting the control (distilled water only) and the soil improving compositions of Examples 1 to 3 and Comparative Examples 1 to 5 in a weight ratio of 1:40 in water, respectively, and diluting the diluted solution in the column by 200. Each ml was irrigated using a conventional irrigation method. Five minutes after irrigation, the column was reweighed. The weight of the changed column was measured while irrigating 200 ml of distilled water at intervals of 10 minutes, and the moisture content of the soil was subtracted by subtracting the weight of the column from the total changed weight.

Watering frequency / soil water content (ml / cm 3) Control group Example Comparative Example One 2 3 One 2 3 4 5 0 times 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1 time 0.33 0.51 0.49 0.52 0.42 0.43 0.43 0.36 0.43 Episode 2 0.36 0.54 0.53 0.55 0.44 0.45 0.44 0.39 0.46 3rd time 0.37 0.57 0.57 0.59 0.47 0.49 0.47 0.43 0.48 4 times 0.41 0.60 0.59 0.61 0.49 0.52 0.48 0.45 0.50 5 times 0.43 0.62 0.61 0.62 0.52 0.53 0.52 0.47 0.53

(2) Crop growth test: Performance tests were carried out for the soil improving compositions of Example 1 and Comparative Example 1. The damaged turf area of the dried soil was divided into two sections (A and B) of 25m x 25m in width and length, and watered properly using a conventional watering method. In Zones A and B, 300 ml of the solution of Example 1 and Comparative Example 1 diluted in the same manner as in Test Example 1 was used once during watering. After three weeks, the water was again irradiated to the A and B zones in the same manner, and after three weeks, the water was irrigated to the a and b regions again, and the results are shown in FIG. 1.

Figure 1 (a) is a photograph showing a lawn zone to which Example 1 of the present invention is applied, Figure 1 (b) is a photograph showing a lawn zone subjected to watering by applying Comparative Example 1. Referring to Figures 1 (a) and 1 (b), after six weeks, the area of A-zone dried soil area was reduced by approximately 60%, while excellent rehabilitation of turfgrass growth in rehabilitated land was observed, while B The area had no change in damaged turf pattern and no difference in dry land size.

(3) Evaluation of growth of rice: The growth of rice to which Example 2 and Comparative Example 4 was applied was evaluated. A total of six test pots were prepared and watered with 10 ml of the diluted solution in the same manner as in Comparative Example 1, and then 20 seeds per pot were sown in 2 pots and seedlings were grown for 20 days under conditions of 18 to 20 ° C. The growth was examined and the results are shown in Table 3 and FIG. 2.

Figure 2 (a) is a photo seedling seedling for 20 days by applying the second embodiment, Figure 2 (b) is a photograph seedling seed for 20 days by applying Comparative Example 4.

division Example 2 Comparative Example 4 Fostering Rate (%) 1 port 87 76 2 ports 93 81 3 port 90 80 Root (cm / individual) 1 port 29.6 31 2 ports 42.4 36.8 3 port 39.9 39.8 Length (cm / individual) 1 port 43.8 16.3 2 ports 27.5 26.5 3 port 35.4 33.3

Referring to Table 3 and FIG. 2, it was found that the application of Example 2 showed a marked growth promoting effect than that of Comparative Example 4 in the seedling rate, root length, or grass length of rice seedling.

Claims (9)

50 to 56 wt% wetting agent, 10 to 13 wt% nonionic surfactant, and 33 to 39 wt% functional ingredient,
The functional ingredient comprises seaweed extract, nitrogen, calcium and soluble silicic acid in a weight ratio of 1: 0.1 to 0.5: 0.1 to 1: 0.5 to 1.5,
The wetting agent includes a binder, a phytate and a polyol in a weight ratio of 1: 0.1 to 1: 1-5,
The seaweed extract is a soil improvement composition, characterized in that the extract from the seaweed, kelp and hatban 1: 1: 1 ~ 1: 0.5 ~ 1 weight ratio.
The soil improvement composition of claim 1, wherein the binder comprises at least one of starch, arabinoxylan, pectin, glycogen, cellulose, wheat flour, dextrin, and chitin.
The soil improvement composition of claim 1, wherein the plant acid salt comprises at least one of sodium and potassium salts of alpha-hydroxypropionic acid.
The soil improvement composition of claim 1, wherein the polyol comprises one or more of glycol, glycerol, arabitol, xylitol, erythritol, maltitol, ribitol, lacithin, and sorbitol.
delete The soil improvement composition according to claim 1, wherein the nonionic surfactant comprises at least one of sugar alcohol fatty acid esters, polyhydric alcohol fatty acid esters, and fatty acid alkanol amides.
delete According to claim 1, Further comprising 0.1 to 10 parts by weight of the auxiliary binder with respect to 100 parts by weight of the soil improvement composition,
The auxiliary binder is a soil improvement composition, characterized in that it comprises at least one of calcium salt, sodium salt and ammonium salt of lignosulfonic acid.
According to claim 1, further comprising 0.1 to 5 parts by weight of the auxiliary wetting agent based on 100 parts by weight of the soil improvement composition,
The auxiliary wetting agent is a soil improvement composition, characterized in that it comprises at least one of sodium carboxymethyl cellulose and cellulose ether.

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