JPH0738A - Lawn management in golf course - Google Patents

Abstract

PURPOSE:To manage a lawn of a golf course which enables the retention of agrochemicals for a long time, has no adverse effect on the environment and can accomplish the management of lawn in a golf course with little effort of spraying agrochemicals by using clayey porous particles, e.g. sepiolite or attapulgite as soil-modifying material for topdressing. CONSTITUTION:This soil-modifying material for topdressing is prepared by compounding at least one kind of clayey porous particles, e.g. sepiolite or attapulgite, as it is or as a mixture, with topdressing sand, e.g. river sand, mountain sand, sea shore sand, organic materials and other material. The soil- modifying material added to bed soil for lawn growing in a golf course, etc., enables the long time holding of agrochemicals, e.g. insecticide, bactericide and/or herbicide in the bed soil where lawn grows and stimulates lawn growth while it has no adverse effect on the environment. This method also enables efficient management of the lawn of golf course by reducing the cost and labor of spraying agrochemicals.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of managing lawn grass on a golf course, and more specifically, to control the outflow of pesticides from the floor soil on which the lawn grows to prevent environmental damage around the golf course and to prevent the destruction of the lawn. The present invention relates to a new turf management method capable of repairing rough turf cleanly by promoting growth.

[0002]

2. Description of the Related Art In a conventional golf course, in order to enhance the growth of turf on the ground soil of the green when the golf course is constructed or modified,
Soil improvement material is applied. Also, for the purpose of green management, unlike the soil-improving material for floor soil, a soil-improving material for joint soil with a particle size of about 1 mm is used, which is a mixture of zeolite, perlite and diatomaceous earth. There is.

[0003]

However, in the conventional soil improving materials used for the work of the soil such as the zeolite, the pesticides such as insecticides, fungicides and herbicides sprayed to protect the lawn are absorbed and retained. Therefore, there is a problem in that the pesticide cannot be prevented from flowing out due to rainfall or the like, and the effect of the pesticide cannot be maintained for a long period of time. Also, because of this, the number of pesticide sprays increases,
There was the problem that it would cost extra and extra work. Also,
There is also a problem that the spilled pesticide pollutes downstream rivers and the like, which adversely affects the environment.

The present invention has been made to solve the above-mentioned conventional problems, and its purpose is to apply pesticides such as insecticides, fungicides, and herbicides to the bed soil on which turf is grown. To provide a lawn management method for a golf course that, by holding it for a long period of time, promotes the growth of lawn and does not have an adverse effect on the environment, and can save the cost and labor for spraying pesticides. It is in.

[0005]

As a means for solving the above-mentioned problems, in the method for controlling the lawn of a golf course of the present invention, at least one kind of clay porous particles selected from the group consisting of sepiolite and attapulgite is used. The method used as a soil improvement material for joint soil was adopted.

[0006]

In the present invention, sepiolite and attapulgite used as the soil improving material for soil are both hydrous magnesium silicates and classified as clay minerals. In general, many clay minerals have a layered structure, whereas the sepiolite and attapulgite have a fibrous structure, and the properties thereof chemically and physically have a soil improving function in the soil of a golf course. Therefore, the effect is to improve the water retention and water absorption of the soil. In particular, the sepiolite has attracted attention in recent years to have excellent properties such as large adsorption ability, catalytic ability, rheological properties, and further dry caking properties and sinterability, and its applications include thickeners, deodorants, and It is used as a water absorbent and oil absorbent.

At golf courses, insecticides such as diazinon, chlorpyrifos, fenitrothion (MEP),
Fungicides such as oxine copper, captan and iprodione, herbicides such as simazine (CAT), butamiphos and ashram, and plant growth regulators are mainly sprayed as pesticides on greens and fairways.

In the golf course controlled by the method of the present invention, the pesticide sprayed on the turf is dissolved by rainfall or the like and infiltrates the floor soil, but the clayey porous particles used as the soil soil improving material dissolves the pesticide. Since the collected rainwater is adsorbed and held, it is possible to prevent the pesticide from flowing out of the golf course from the drainage system. Further, since the moisture adsorbed and held by the clay porous particles is appropriately absorbed by the grass, it helps rehydrate the grass and promotes its growth. Further, since the agricultural chemicals adsorbed and held by the clay porous particles can perform the insecticidal, sterilizing and weeding actions on the grass and the soil over a long period of time, the management of the grass becomes easy.

The soil soil improving material used in the present invention may be impregnated with the above-mentioned pesticide in advance. Also,
If necessary, liquid chemical fertilizers containing plant essential nutrient elements such as nitrogen, phosphoric acid, potassium, etc., agents for improving soil microorganisms, etc. may be impregnated. Further, it may be used together with solid chemical fertilizers and organic fertilizers such as compost and manure.

Sepiolite and attapulgite may be used alone or in combination. Also,
It may be used by mixing with sands for soils such as river sand, mountain sand, sea sand, organic materials, or other materials.

[0011]

EXAMPLES Examples of the present invention will be described below. In the following, the case where the clay porous particles are used together with the sand is described as an example. In addition, parts indicate parts by weight. Example 1 10 parts of sepiolite and 90 parts of sand are mixed to obtain 100 parts. This soil contains 10% by weight of sepiolite. Example 2 10 parts of attapulgite and 90 parts of sand are mixed to obtain 100
Get a section. This soil contains 10% by weight of attapulgite.

Comparative Example 1 10 parts of sand and 90 parts of sand are mixed to obtain 100 parts. This soil contains 100% by weight of sand. Comparative Example 2 10 parts of zeolite and 90 parts of grain sand are mixed to obtain 100 parts. This soil contains 10% by weight of zeolite. Comparative Example 3 10 parts of diatomaceous earth and 90 parts of sand are mixed to obtain 100 parts. This soil contains 10% by weight of diatomaceous earth.

At the time of the test, the floor soil was prepared as follows,
It was submitted to the test. Floor soil example 1 10 parts of floor sand and 90 parts of floor sand are mixed to obtain 100 parts. This bed soil contains 100% by weight of bed sand. Floor soil example 2 10 parts of zeolite and 90 parts of sand are mixed to obtain 100 parts. This bed soil contains 10% by weight of zeolite.

Test Example 1 Using each of the soil soils prepared in the soil soil examples 1 and 2 as the soil soil of Example 1, the disinfectant "iprodione" and the herbicide "simazine (CAT)" were also used. Example 2,
The soil soil prepared in Comparative Examples 1, 2, and 3 was subjected to a pesticide outflow test for the fungicide "iprodione". In the test, as shown in the flowchart of FIG. 1, the chromatographic tubes having a capacity of 10 cm in diameter and 40 cm in length were filled with the soils of Examples and Comparative Examples, and distilled water was 500 m from the upper end.
After sprinkling with water, it was drained for one day. Then, from the top of the chromatographic tube, pesticides (100% bactericide "Iprodione"
Diluted 30ml, herbicide "simazine (CAT)" is 1
The mixture was sprayed with a 100-fold dilution (10 ml) and allowed to stand for 30 minutes, and then 420 ml of distilled water was sprayed over the solution for 1 hour to allow the pesticide to flow out. However, at the time of the test, the chromatographic tube was filled with 450 g of the bed soil, and 50 g of the soil was filled from the top, and the test was conducted.

The analysis by the pesticide run-off test was carried out in accordance with the pesticide analysis method “Kanmizusui No. 77, provisional instruction guideline on prevention of water pollution by pesticides used at golf courses”, which was notified by the Environment Agency. The results of analyzing the leachate collected according to this order are shown in Table 1.

[Table 1]

From these test results, it was revealed that the method for managing lawn grass on a golf course of the present invention has a high pesticide retention effect.

Test Example 2 Bentgrass, which is a kind of Western turf often cultivated on a golf course, was cultivated in a Wagner pot on each of the soils prepared in Examples 1 and 2 and Comparative Examples 1, 2 and 3. ,
After 123 days, the above-ground parts (leaves, stems, etc.) were harvested and the dry yield was determined. The results are shown in Table 2. However, in this test, 3000 g of only the soil was filled, and the cultivation test was conducted.

[Table 2] From this result, it was revealed that the soil for soil according to the method for controlling the lawn of the golf course of the present invention has a favorable effect on the soil improvement of the floor soil and promotes the growth of the lawn.

[0018]

As described above, in the lawn management method for the golf course of the present invention, since the above method is adopted, the bed soil of the lawn nurturing section has a high effect of retaining the pesticide and the pesticide spillage. It is possible to prevent environmental pollution due to. Moreover, since the soil and soil hold pesticides and water, it has a favorable effect on the soil improvement of the bed soil and can promote the growth of turf. Further, it is possible to obtain the effect that the cost and labor for spraying the agricultural chemical can be saved.

[Brief description of drawings]

FIG. 1 is a flowchart showing a method of pesticide outflow test according to an example of the present invention.

Claims (1)

[Claims] 1. A method for managing lawn grass at a golf course, which comprises using at least one kind of clay porous particles selected from the group consisting of sepiolite and attapulgite as a soil improving material for soil.