JPH0535801U - Weeding sheet - Google Patents

Abstract

(57) [Summary] [Structure] In the present invention, a herbicide-impregnated naturally-melting or hydrophilic cloth or paper is cut into a dry state, and cut into a suitable size to prepare a herbicidal sheet. [Effect] Laying a weeding sheet on the soil around the crop,
The herbicide impregnated in the sheet is gradually melted by rainwater and leaked into the soil to exert its herbicidal effect. Since the sheet is self-dissolving, it does not exist as waste on the soil for a long time.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention mainly relates to a herbicidal sheet used for protecting and cultivating agricultural crops, seedlings, plants and the like, and at the same time suppressing germination and growth of weeds.

[0002]

[Prior Art]

 Conventionally, it has been necessary to use various herbicides for eliminating weeds in order to protect and grow agricultural crops or various seedlings and plants. When using the herbicide, a powdery herbicide, for example, CAT50 (trade name "Shimajin" manufactured by Nissan Chemical Industry Co., Ltd.) is dissolved in water, and the dissolved aqueous solution is sprayed on the target soil surface with a sprayer or the like. It was used as a cloth to suppress the germination of weeds and their growth, and in some cases it was used together with various insecticides. However, this spraying method has the drawback that it is difficult to evenly spread it over the soil surface, and that unsprayed parts and oversprayed parts are likely to occur, and uneven weeding causes weeds not to be weeded and partially remains. There was a defect that damages agricultural products for the purpose of raising them. Further, such a herbicide is produced by mixing and stirring water and a powdery herbicide, or water and a concentrated herbicide concentrate, but the water source is usually away from the agricultural land. Therefore, it required time-consuming transportation of the herbicide.

[0003]

[Problems to be solved by the device]

 However, in the herbicidal sheet proposed by the present invention, it is difficult to evenly disperse the herbicidal solution using the conventional manual sprayer, so that weeds remaining after weeding are scattered or unnecessary. It was developed in consideration of the uneconomical effect of spraying the herbicidal solution on various areas and the time-consuming work of transporting the herbicidal solution, etc. The purpose of the present invention is to provide a herbicidal sheet that controls weeds over time by infiltrating the herbicide gradually dissolved in rainwater into the soil surface and inside the soil.

Further, by forming a herbicidal sheet impregnated with a herbicide from natural-melting Japanese paper or the like, it is possible to prevent natural destruction, which has been a problem in recent years, and reduce the time and effort required to remove the sheet. The purpose is to provide a weeding sheet.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the herbicidal sheet according to the present invention has a herbicide-impregnated natural-melting or hydrophilic cloth or paper in a dry state and cut into a suitable size. It is characterized by the following weeding sheet.

[0006]

【Example】

 The present invention uses a paper sheet 1 such as a natural melting and hydrophilic cloth, or a thin Japanese paper mainly made of kozo or trident. The sheet 1 is, for example, immersed in an aqueous solution of a herbicide such as CAT50, dichlorophenyl, dimethylurea, a mineral substance, or impregnated with a desired herbicide by a method such as spraying. Furthermore, after impregnating with an insecticide, etc., it is dried to facilitate management and transportation. By appropriately coloring the sheet 1 in black, silver, white, green, etc., the effect of controlling the temperature and humidity can be obtained by preventing heat in summer and cold in winter.

The sheet 1 is cut into an appropriate size, and holes 3 for inserting, for example, a stem or the like of a soil-planted agricultural crop 2 or a seedling of a flower or the like are punched or arranged around the stem. Once used on the soil surface. When using, consider the growth condition of seedlings, the growth of weeds, the relationship with the rainy season, etc., and if the rainy season is not expected, you may spray it on the sheet.

After laying the weeding sheet of the present invention at a desired place, the herbicide 4 impregnated in the sheet 1 by rainwater or the like is gradually dipped into the soil on the lower surface of the laying. Then, the effect of the herbicide 4 is produced over a relatively long period of time, and when the herbicidal effect is diluted, the sheet 1 is naturally melted as much as possible.

[0009]

EFFECTS OF THE INVENTION According to the present invention, a cloth or paper having a self-melting property and a hydrophilic property is impregnated with a herbicide to obtain a dry state, which is cut into a suitable size and made into a weeding sheet. In general, it is extremely convenient to carry it to the weeding position and store it. Furthermore, the necessity of a sprayer for spraying the herbicidal liquid and the labor for carrying the herbicidal liquid are completely unnecessary, and the herbicidal sheet has an effect that it can be cut into a suitable size according to its location and used.

Herbicides exert their effects in the soil for a relatively long period of time, so cloth or paper impregnated with a solution of a herbicide to dry the herbicides has a long-term effect. Can be maintained and stored without deterioration. Since the sheet itself is made of cloth or paper that has natural melting properties and hydrophilicity, it is easy to impregnate the herbicide solution due to its hydrophilicity, and the herbicide can be easily dissolved and leaked from the sheet by rainwater etc. be able to. Furthermore, since the sheet naturally disappears as much as possible due to its natural melting property, there is no environmental damage that leaves the sheet as filth around the agricultural crops, and there is no need to remove or re-install the sheet. It is convenient.

Further, by appropriately coloring the sheet itself, the effect of preventing heat in the summer and the effect of preventing frost in the winter can be exerted to remarkably contribute to the cultivation of crops and the like.

[Brief description of drawings]

FIG. 1 is an overall front view of a seat.

FIG. 2 is an example of use of a sheet.

[Explanation of symbols]

 1 sheet 2 crops 3 holes 4 herbicides

Claims (1)

[Scope of utility model registration request] 1. A herbicidal sheet prepared by cutting a natural-melting or hydrophilic cloth or paper impregnated with a herbicide into a dry state and cutting it into a suitable size.