KR20020027159A - Soil conditioner composition for accelerating of turfgrass growth using olivine - Google Patents

Abstract

PURPOSE: Provided is a soil conditioner based on olivine, which has a conditioning effect on acidic soil, stimulates the raising of lawn, reduces a resting stage, and maintains a deep green color of lawn. CONSTITUTION: The soil conditioner for stimulating raising of lawn contains olivine having particle size of 0.01-5.0 mm as active component. The soil conditioner is mixed into soil so that mixing ratio of the olivine is 5-30 volume% based on volume of soil. The soil is treated with the soil conditioner in this manner.

Description

Soil conditioner composition for accelerating of turfgrass growth using olivine}

The present invention relates to a soil improving agent composition for promoting grass growth based on olivine. More specifically, the present invention relates to a soil improver composition which has an effect of improving acid soil by containing olivine as an active ingredient, promoting the growth of grass, shortening the dormancy period, and maintaining the green color of the grass.

Environmental factors affecting grass growth and development can be divided into three main groups: climatic, soil and biological environments. The climatic environment is related to light, temperature, moisture, and air, and the soil environment of the lawn is related to the umbilical cord (Fig. 1) and to what happens in the roots or plant tissues in the soil. Bioenvironment refers to the use of grass by humans, cultivation management, or association with other organisms. In order to maintain good turf, you need to know about each of the above-mentioned environments, and keep in mind that each environment does not work individually but is related and affects the turf. The colony of grass, together with its surroundings, constitutes a grassy ecosystem. Among them, soil is the basis for plant growth, and its properties are closely related to plant growth, so if you manage grass and lawn, you need to understand soil first. Unlike grassland, lawns are used to maintain the physical, chemical, and biological environment of grass roots in order to cultivate and maintain uniform, dense, healthy grass throughout the year under harsh conditions such as concentrated pressure and short, frequent mowing. Maintaining properly is a prerequisite. To do this, soil surveys should be conducted to analyze the physical, chemical, and biological properties of the soil according to the type of turf, to identify and create appropriate environmental conditions. Since the soil of the lawn is once created, it is impossible to completely renew and land like general farmland, so the composition of the ground is the most important process.

Soil improver is a substance used to improve the physical and chemical properties of the soil in order to increase the yield of crops. The soil conditions in our country are mostly agricultural lands that show acidity. Alternatively, alkaline substances such as lime and silicic acid, which are neutralized, are mainly used as soil improving agents.

On the other hand, olivine is a hydrous silicate (含水 硅酸鹽) with a hardness of 2.5 to 4, very rich in magnesium, and contains many useful components that are absolutely necessary for soil such as iron and silicon other than magnesium. Nowadays, olivine is mainly used for construction aggregates, and its use as a raw material of soluble waste in crop cultivation has been limited.

Conventional studies using olivine include the invention of a soil activator using serpentine in Japanese Patent Publication No. 55-137186, but the known method includes limestone, pearlite, vermiculite and olivine powder in mycelial culture. As a result of improving the physicochemical properties of the soil by mixing the soil, a soil improving agent for promoting the growth of grasses based on olivine in the grass has not been known. Furthermore, a method for treating olivine to grow grass under optimal conditions has been reported. No bar

Based on the above, the present inventors have synthesized the olivine into the ground of the grass, and compared and analyzed the effects of the existing soil improving agent (macvanite, zeolite) on the grass growth, and by determining the optimum mixing ratio for the grass growth. The present invention has been completed.

Accordingly, it is an object of the present invention to provide a soil improving agent composition for promoting grass growth based on olivine.

Another object of the present invention to provide a method for treating the soil improver.

The object of the present invention is to prepare each mixed soil using the existing soil modifiers, such as mvanite, zeolite and olivine as soil modifiers, and the basis of the permeation rate, water retention (%), dry density, solid phase vapor rate of the mixed soil, etc. While investigating the physical properties, the present invention has been achieved by comparing and examining the effects of existing soil improvers and olivine based soil improvers in the growth of Korean grass and sheep grass.

Hereinafter, the configuration of the present invention will be described.

1 is a schematic diagram of a lawn soil cross section.

Figure 2 is a graph showing the results of the survey of buildings per unit area of grass (a) and grass (b) two months after sowing.

Figure 3 is a graph showing the results of the grass quality survey 1 month after sowing (a), 2 months (b).

4 is a graph showing the results of surveying the quality of both grasses one month after sowing (a) and two months (b).

5 is a photograph showing a comparison of the quality of the early turf grass in Korea (no treatment: left, olivine treatment: right).

Figure 6 is a photograph showing the early sleep quality comparison of two grass (no treatment: left, olivine treatment: right).

FIG. 7 is a photograph showing the quality comparisons of dormant breakers in Korean grass (no treatment: right, olivine treatment: left).

8 is a photograph showing the quality comparison of dormant breaker sheep grass (no treatment: right, olivine treatment: left).

The present invention comprises the steps of measuring the basic properties such as water permeation rate, water retention, dry density, solid phase rate, weather rate of the treated group mixed with olivine, zeolite, ganban stone and soil treated without soil improver (field experiment); Comparing and measuring the initial growth, turfgrass quality, dormant turfgrass growth of Korean grass and sheep grass in the treated and untreated areas (pot experiment).

Kentucky bluegrass 'award' was used in the field experiment stage, and grass species of Zoysiagrass and Perennial ryegrass were used in the pot experiment stage.

In the grass growth investigation step of the mixed and prepared soil improving agent, the initial growth was measured by measuring the weight of the building per unit area after 2 months of sowing, and the dormant grass growth was the initial stage of grass dormancy (after 5 months of sowing, April 2001). ), Turf growth was investigated during the dormant break (10 months after sowing, April 2001) .Turf quality was measured at least 2 experts 1 month and 2 months after sowing. A month survey was conducted.

In the present invention, the particle size of the olivine is in the range of 0.01-5.0 mm, preferably 0.15-2.0 mm, and the particle size is 90% or more, and the mixing ratio of the soil improving agent is 5-30% by volume, preferably 10 Use to mix in the soil to volume%.

Hereinafter, the specific method of the present invention will be described in detail with reference to Examples, but the scope of the present invention is not limited only to these Examples.

Example 1 Measurement of Basic Properties of Soil-modifying Soil (Field Experiment)

Olivine, ganban stone, zeolite, sand and organic matter (pit moss) were mixed in the composition ratios of Table 1 below, and then the grass seedling Kentucky Bluegrass 'Award' was sown in a treatment zone of 1m x 1m x 30cm, and the cover was made thin so that the seeds were not visible. It was. All treatments were randomly placed in three replicates. After 6 months of composition, soil permeation rate, water retention (%), dry density, solid phase rate, and weather rate were compared and analyzed.

The permeation rate was calculated by the following formula (I), where Q = flow rate, ΔH = head head difference, L = sample length, A = cross section, and t = time.

Conservativeness is to fill the soil in 100ml soil pipe and apply the negative pressure of 10kPa by four weeks method to check the equilibrium between soil moisture and negative pressure, and measure the soil moisture content. After completely filled and evaporated the water for 24 hours in a drier adjusted to 105 ℃, the mass was measured to calculate the dry density. Finally, the solid and weather rates of soil were calculated by the calculation of dry density and true specific gravity.

As a result of the analysis according to the above method, as shown in Table 2, when the olivine was mixed with the soil modifier, it showed that the permeability and water retention properties were suitable for use as the soil modifier of the grass.

Soil modifier types and mix ratios (field experiments) Mixing ratio (vol%) Soil improver sand Organic matter Sand 0Oliver 10Oliver 20Oliver 30Zeolite 10Landstone 10 908070608080 101010101010

Basic Properties of Soil Modifier Soils sample Permeation Speed (mm / h) Conservative (%) pF 1.8 Drying Density (g / cm ³ ) Solid phase rate (%) Weather rate (%) sand 1063 12.0 1.40 54 46 Olivine 10 1010 11.8 1.41 55 45 Olivine 20 944 11.4 1.43 56 44 Olivet 30 901 11.2 1.48 57 43 Zeolite 10 797 17.3 1.30 50 50 Elvan Stone 10 850 15.7 1.30 50 50

Example 2 Sowing of Grass Seeds Using the Soil Modifier of the Invention (pot Experiment)

In the Wagner Pot, seedlings of two types of plants, including Zoysiagrass and Yanggrass (perennial lygras), are seeded with soils mixed with soil improvers (olivine, ganban stone, zeolite and sand) at the composition ratio shown in Table 3. The cover was applied thinly so that no seed was seen.

Soil modifier type and mixing ratio (pot experiment) Soil modifier mixing ratio (% by weight) Serpentine, Elvan, Zeolite sand Olivine 10Oliver 20 Zeolite 10 Zeolite 20 Elvan Stone 10 Elvan Stone 20 Sand 0 908090809080100

Example 3: Initial Growth (In-Building) Irradiation of Grass

Two months after the sowing of the grass of Example 2 was measured the dry weight per unit area was investigated the effect on the initial growth when using the soil-improving agent of the present invention, all the test zones were carried out three times in a random arrangement.

As a result of the experiment, as shown in Figure 2, comparing the grass growth in Korea for the soil improver appeared as zeolite> elvan rock> olivine. In the olivine treatment area, the average of the average dry weight of Korean grass was 60 days after sowing due to poor development of Korean grass during the first month. As it is lacking in water and olivine itself is alkaline at pH 8.5 ~ 8.6, it was estimated that it did not help the growth of Korean grass that prefers weak acidity to neutrality. Therefore, in the growth of Korean grass, if you mix the water management of the early grass with other organic substance improvers that can maintain the neutral pH, if you create the grass ground mixed with a certain ratio of olivine instead of sand, you can promote the early growth of Korean grass. It is expected to help the entire growth.

On the other hand, in the case of both grasses, the treatments containing 10 vol% of olivine were the best growth, followed by 10 vol% and 20 vol% of elvan. The biggest reason for the excellent growth of olivine treatment is that perennial ryegrass has good soil acidity in neutral to weak alkali (pH 6-7). It was determined to give a nutrient to the grass because it contains a lot of minerals (Table 4). Comparing the turfgrass growth of the treated soils with 10% by volume of soil modifier, the growth was good in the order of olivine, elvan, and zeolite.

Olivine ingredient pH SiO ₂ (%) CaO (%) MgO (%) FeO ₃ (%) Al ₂ O ₃ (%) content 8.5 39 3.3 32.6 8.8 1.5

Example 4 Quality Survey of Turf

The quality of the grass sown in Example 2 was investigated. Turf quality was examined by two or more Ph.D. experts at 1 month and 2 months after sowing as 1: worst and 9: best, and all the test zones were completely repeated and repeated 3 times.

As a result of visually analyzing the quality of Korean grass (Zoysiagrass), as shown in Figure 3 (30) after the seeding (a) sand and ganban rock 10% by volume and 20% by volume of olivine showed the poorest grass quality. After 60 days of sowing (b), 10% by volume zeolite was the best, but the difference in turfgrass quality was very small in all treatments. On the whole, the quality of Korean turf was slightly inferior to other modifiers in olivine treatment, but by 60 days, it showed better growth than untreated treatment and showed no significant difference with other modifiers.

As shown in Fig. 4, the turfgrass quality of sheep grass (Perennial ryegrass) showed the best quality in the treated ground with 10% by volume of serpentine after 30 days of sowing, followed by 20% by weight of serpentine, 20% by weight of zeolite and elvan. Good quality was found in the order of 10% by volume and 20% by volume. And, 60 days after sowing (b) was not a big difference, but also the grass growth of olivine 10% by volume mixing treatment was the best, and overall grass quality of all treatments was somewhat lower due to the characteristics of both grasses very weak to high temperature and drying appear.

Example 5: Dormant Grass Growth Irradiation

During the dormant period, turfgrass growth was examined during the early stages of turfgrass dormancy (5 months after sowing, November 2000) and during the dormant break (10 months after sowing, April 2001).

As a result of observing the growth of Korean grass for 5 months after sowing, the grass coverage of the olivine treated area was very high compared to the non-treated as shown in FIG. During the entire growth period, the foliar color of the olivine was very dark green, especially during the dormant period of November, when photosynthesis ends in most Korean grasses, but the olivine is still green.

In the growth of both grasses, as shown in Figure 6, the leaf color was much darker green than the untreated, which lasted longer than two weeks. It was also found to be excellent in both growth and coverage.

As shown in Figs. 7 and 8, the grass growth during the dormant break-up period (10 months after sowing) showed the rapid growth of the grass of the olivine treatment area around 7 to 10 days even in the green-up, which awoke from the dormancy and began to grow. The green period was longer than 1 month. The reason for the shortening of the dormancy period of turf is because the color of the olivine, which is a soil improving material, is black, and thus the heat absorption rate is higher than that of general soil, and the content of Mg, an essential element of photosynthesis, is very high in the olivine. I guess. Therefore, when the olivine is mixed with the grass ground improving material, it is expected to greatly contribute to increasing the overall usage period of the golf course or the park because it has an effect of extending the green period while helping to grow the grass slowly for one year.

As described above, the present invention, 5 to 30% by volume of the soil improver as an active ingredient of olivine having a particle distribution of 0.01-5.0mm (less than 0.15mm particles less than 5% of the total) as an active ingredient. When it is mixed so that the grass is grown, there is an improvement effect of the acid soil, it is a very useful invention for the grass breeding industry because it has a very excellent effect of promoting the growth of the grass, shortening the dormancy period, and maintaining the green color of the grass. .

Claims (2)

A soil improving agent composition for promoting the growth of grass, characterized by containing olivine of 0.01 to 5.0 mm in particle size as an active ingredient. The method of treating soil improving agent according to claim 1, wherein the mixing ratio of the olivine is mixed with 5 to 30% by volume in the soil in mixing the soil improving agent composition for promoting growth of grass with soil.