An oxygen-generating functional composition that can supply oxygen to crop cultivation areas for a long period of time, and a farming method utilizing the same.

Abstract

The present invention provides a functional composition for activating plant root respiration in soil and a method for using the same. The present technology comprises a solution A containing an oxygen generating catalyst composition in which an inorganic material selected from aluminum (Al), titanium (Ti), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), and tungsten (W) is dissolved in water at a concentration of 0.05 to 25 wt% in the form of sulfate, chloride, nitrate, acetate, phosphate, fluoride, or a salt combined with a chelating agent, and hydrogen peroxide (H2O2) or persulfate is dissolved in water at a concentration of 50 wt% or less. Solution B, in which the oxygen generating composition is stored, is separately prepared and applied in either of two ways: Solution A is first diluted to a concentration range of 10 ppm to 900 ppm and sprayed on the soil according to the crop cultivation environment, and then Solution B is diluted to a concentration of 25 ppm to 5,000 ppm and sprayed on the crop cultivation area (Method C); or Solution A is diluted to a concentration of 10 ppm to 900 ppm and stored in a container (A-1) equipped with a drainage line and discharge means according to the crop cultivation environment, and then Solution B is diluted to a concentration of 25 ppm to 5,000 ppm and stored in a container (B-1) equipped with a drainage line and discharge means, and sprayed on the crop cultivation area (Method D). This is a farming method-related technology applied to realize oxygen farming for crops and enable high-yield cultivation.

Description

Technical Field

[0001] The present invention relates to a technical field of an oxygen generation functional composition capable of supplying oxygen to a crop cultivation area for a long time and a farming method using the same for realizing an oxygen farming method for crops, which can maximize the rooting and growth activity of roots of plants growing in soil and water during the process of cultivating crops by soil cultivation and hydroponics, and improve the quality and yield of crops by sufficient oxygen supply when the roots breathe.

Background Art

[0002] In the process of cultivating crops, for the roots to root and grow, the respiration, enzymatic action, activities of microorganisms, and the action of mycorrhizae of the roots are closely related to the air (oxygen) and temperature in the soil.

[0003] Generally, since trees have deep roots, air circulation is poor and they cannot be well developed like the fine roots on the ground surface. Therefore, it is important to induce the development of fine roots from the ground surface to deep underground to grow the trees healthily.

[0004] Also, in order to discharge carbon monoxide generated by the respiration of roots and the decomposition of organic matter above the ground and smooth the supply of oxygen, the air volume and circulation in the soil are extremely important.

[0005] If a plant wants to grow strongly, its roots must be strong. If the plant roots want to grow strongly, they need not only appropriate nutrients and water but also oxygen.

[0006] S Although it is an easily overlooked part, plants also breathe through their roots as well as their leaves. Only when root respiration is smooth can plants grow well. When growing in soil, a method of mixing thick-particle white perlite is applied to create air holes so that drainage can be well done.

[0007] Furthermore, in hydroponic cultivation where the roots are submerged in water, oxygen deficiency is even more likely, making it crucial to always pay attention to oxygen supply. In particular, during the summer, when the nutrient solution temperature rises, the plants' ability to absorb oxygen decreases, so ensuring a good oxygen supply becomes even more important.

[0008] The minimum oxygen concentration required for crop growth is 5 ppm, so it should not be lower than this. Furthermore, since plant roots use energy obtained through respiration for growth and physiological functions, insufficient dissolved oxygen near the roots will cause metabolic disorders due to a rapid decrease in respiration, leading to stunted growth. In particular, the higher the temperature, the more vigorous plant growth becomes and the greater the oxygen demand for nutrient absorption. However, the dissolved oxygen concentration in the supply water decreases rapidly, becoming a limiting factor for growth.

[0009] If the dissolved oxygen concentration is not increased and the process is prolonged for 2-3 hours, the dissolved oxygen may be depleted and fall below 2 ppm, potentially leading to plant death. On the other hand, if sufficient dissolved oxygen is supplied, the supply of nutrients and water to the crops will be smoother, resulting in improved crop growth, enhanced quality, and an increase in yield of 20% or more.

[0010] To achieve this, oxygen farming requires a method that supplies the crop's basic root respiration oxygen requirement of 20 ppm or more, maximizing the catabolic / biochemical metabolic processes of the crop, thereby maximizing the energy efficiency of photosynthesis. This supplies more than twice the root growth energy compared to existing farming methods (13:3:0), which is the most important condition for the vegetative and reproductive growth of crops, thereby maximizing root establishment in soil and water and guaranteeing the longest possible lifespan.

[0011] Assuming that root oxygen levels in the soil and water are rich during soil cultivation and hydroponics, there is a need for a method that can significantly improve the crop growing environment, including improving the growing environment in soil cultivation and hydroponics, by optimizing root respiration and establishment, maximizing catabolism, assimilation, and biochemical activity, maximizing nutrient or water absorption rates, normalizing metabolic activity, strengthening crop resistance, reducing the use of top dressing and pesticides, maximizing and stabilizing crop growth, increasing yield and marketability, overcoming and resolving salt accumulation phenomena, and overcoming and resolving gas damage and continuous cropping problems.

[0012] Furthermore, when root oxygen is deficient, it is necessary to consider the problems that crops cannot grow properly due to poor root establishment, reduced water uptake and absorption, metabolic disorders of the roots, impaired catabolism, assimilation, and biochemical activity, nutrient loss, excessive fertilization, salt accumulation, and decreased resistance to pests and diseases, as well as the possibility of excessive ethylene production leading to root death.

[0013] Therefore, oxygen farming increases the marketability and yield of crops by giving the underground roots and above-ground leaves, stems, and seedlings of soil-grown and hydroponically grown crops fundamental and inherent vitality and energy, and ultimately allows them to develop resistance to diseases and pests. Farmers acknowledge that soil root oxygen is extremely important for growing crops, but despite this, due to a lack of technical expertise, oxygen supply technology for crop root respiration is insufficient, or it is so expensive that it is not practically widely used by farmers.

[0014] As a result, there are virtually no methods, or any at all, for small-scale farmers with limited labor and economic resources to activate root respiration in soil-grown and hydroponically grown crops using simple methods at low cost.

[0015] A closer look at the prior art disclosed so far to realize oxygen farming for oxygen root respiration in crop cultivation processes through soil cultivation and hydroponics reveals the following:

[0016] Korean Published Patent No. 10-2020-0031826 presents an oxygen-generating mineral fertilizer characterized by comprising a central zeolite mass, a decomposition catalyst, a calcium peroxide endothelium surrounding the outer surface of the zeolite mass, and a slag outer covering surrounding the outer surface of the calcium peroxide endothelium.

[0017] Korean Published Patent No. 10-2018-0100503 presents a plant cultivation box with an air layer for bottom watering, which allows plants to be grown in a flowerpot without a drain.

[0018] Korean Published Patent No. 10-2009-0098349 presents an oxygen farming system utilizing a microbubble device.

[0019] Korean Published Patent No. 10-2020-0170459 presents an oxygen generating agent composition containing 2Na2CO3·3H2O2;K2O;Ca(OH)2;CaCO3; and a water-soluble acid, as well as a method for producing the same.

[0020] Korean Published Patent No. 10-2020-0125838 presents a cobalt catalyst for oxygen evolution reactions and a method for producing the same, which has a structure in which hollow tricobalt tetroxide (Co3O4) nanoparticles are dispersed on a reduced graphene oxide support by the Kirkendall effect, thereby exhibiting electrochemical reaction activity suitable for water electrolysis and significantly improved catalyst safety under acidic high-potential conditions.

[0021] Korean Published Patent No. 10-2020-0143784 presents an oxygen generator utilizing homogeneous intake air, and Korean Published Patent No. 10-2017-0008933 presents an oxygen generating agent composition characterized by comprising 30-60% by weight of a mixture of oxygen generating substances potassium peroxide (K2O2), potassium superoxide (KO2), and sodium peroxide (Na2O2), and 40-70% by weight of one or more reaction modifiers selected from activated carbon, zeolite, and silicon dioxide, and containing one or more neutralizing agents selected from the group consisting of citric acid, potassium phosphate, glutamic acid, ascorbic acid, tartaric acid, salicylic acid, glycolic acid, lactic acid, glycyrrhizic acid, and aminocaproic acid in an amount of 1-3 times the amount of the mixture.

[0022] Korean Published Patent No. 10-2017-0047422 presents a hydroponic system with a condensed liquid that can adjust the amount of dissolved oxygen.

[0023] Korean Published Patent No. 10-2015-0082577 presents a hydroponic cultivation machine that includes an ultrafine bubble generating device, which comprises a primary porous plate and a plurality of secondary porous plates, and which is combined with a hydroponic cultivation container to enable the use of ultrafine bubble oxygen-dissolved water for hydroponics.

[0024] Korean Published Patent No. 10-2014-0093075 presents a hydroponic ginseng cultivation tank device that includes a pad fixing and mounting device and a nanobubble generating device, which have three bent sections on the upper part of the four sides of the hydroponic tank to prevent the tank from bending due to the weight of the freshwater inside.

[0025] However, in the prior art as described above, during the process of cultivating crops through soil cultivation or hydroponics as in the present application, oxygen is supplied at a necessary time arbitrarily selected for the crop roots, or a composition of an oxygen generation catalyst in a salt state diluted with water and a diluted peroxide source is individually filled into a container in the form of a Ringer bottle to which a drainage line is connected. For crops that require root respiration by oxygen, the composition of the oxygen generation catalyst and the diluted peroxide source is gradually and individually supplied to the soil to actively activate the basic metabolic activities of the crops by oxygen supply, so that the crop itself can stably maintain the underground growth balance normally, and a stable and proactive farming method is provided to provide healthy roots, reduce labor and production costs, increase yield, and improve farmers' income. It has been confirmed that there is no disclosed implementation technology for the oxygen farming method, and it is a newly developed technology.

Prior Art Documents

Patent Documents

[0026]

Patent Document 1

Patent Document 2

Patent Document 3

Patent Document 4

Patent Document 5

Patent Document 6

Patent Document 7

Patent Document 8

Patent Document 9

[0027] This invention recognizes the need for a functional composition that can supply oxygen for a long period of time to eliminate concerns that if the amount of dissolved oxygen in the water supplied for most crop cultivation is insufficient due to a decrease in respiration and metabolic disorders that can cause stunted growth, then the oxygen required for root respiration, which is essential for the basic growth activity of crops, is to supply oxygen for a long period of time.

[0028] The present invention aims to provide an oxygen-generating functional composition that can supply oxygen for a long period of time, thereby realizing oxygen farming for crops, which involves maximizing the oxygen requirements that plants basically need for root respiration when oxygen supply to crop roots is necessary during soil cultivation and hydroponic cultivation processes, thereby increasing the marketability and yield of crops, reducing production costs and increasing farmers' income compared to existing agriculture, as well as providing an improved growing environment for crops while giving them resistance to pests and diseases, and to provide a farming method that utilizes this composition. [Means for solving the problem]

[0029] The technical concept disclosed in this application as a means to achieve the aforementioned objective is a technology for providing an oxygen-generating functional composition for crop cultivation that maximizes the root respiration oxygen demand of crops during soil cultivation and hydroponic cultivation processes, thereby realizing oxygen farming. The composition is an inorganic substance selected from aluminum (Al), titanium (Ti), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), and tungsten (W), which is bonded with a salt (Sulfate, Chloride, Nitrate, Acetate, Phosphate, Fluoride, or chelating agent) and dissolved in water at a concentration of 0.05 to 25% by weight. Solution A, in which the oxygen-generating catalyst composition is stored, and Solution B, in which an oxygen-generating composition containing hydrogen peroxide (H2O2) or persulfate dissolved in water at a concentration of 50% by weight or less, are each individually configured. For example, to apply oxygen farming to relatively small crops such as vegetables, Solution A, made of an oxygen-generating catalyst in the form of a metal salt diluted to a concentration of 10 ppm to 900 ppm, can be applied by spraying it into the water of soil cultivation areas or hydroponic cultivation areas by a primary supply means. If root respiration of the crop is required immediately or after a certain period of time, Solution B, which is the oxygen source, consisting of hydrogen peroxide (H2O2) or persulfate, can be applied by diluting it to a concentration of 25 ppm to 5,000 ppm and supplying it.

[0030] Furthermore, in other implementations, when applying oxygen farming to crops that are large in size and have a large distance between plants, such as apples, peaches, and pears, the components of solution A and solution B are the same. Solution A is diluted to a concentration of 10 ppm to 900 ppm and stored in a container (A-1) equipped with a drainage line and discharge means, and solution B is diluted to a concentration of 25 ppm to 5,000 ppm and stored in a container (B-1) equipped with a drainage line and discharge means, and then sprayed onto the crop cultivation area. This invention was completed after confirming that oxygen farming for crops can be implemented and high-yield cultivation can be achieved by applying means D.

[0031] Therefore, the technical concept of this application is an agricultural method applied to maximize the oxygen requirements necessary for root respiration of crops, thereby realizing oxygen farming and enabling high-yield cultivation. Solution A, in which an oxygen-evolving catalyst composition is stored, is prepared by dissolving an inorganic substance selected from aluminum (Al), titanium (Ti), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), and tungsten (W) in the form of a sulfate, chloride, nitrate, acetate, phosphate, fluoride, or salt bonded with a chelating agent in water at a concentration of 0.05 to 25% by weight. This composition is then mixed with hydrogen peroxide (H2O2) or persulfate dissolved in water at a concentration of 50% by weight or less. The generated composition is stored in solution B, which is configured individually. Depending on the crop cultivation environment, solution A is first diluted to a concentration range of 10 ppm to 900 ppm and sprayed onto the soil, and then solution B is diluted to a concentration of 25 ppm to 5,000 ppm and sprayed onto the crop cultivation area. This can be implemented in a farming method that enables high-yield cultivation by applying means C, or depending on the crop cultivation environment, solution A is diluted to a concentration of 10 ppm to 900 ppm and stored in a container (A-1) equipped with a drainage line and discharge means, and solution B is diluted to a concentration of 25 ppm to 5,000 ppm and stored in a container (B-1) equipped with a drainage line and discharge means and sprayed onto the crop cultivation area.

[0032] It goes without saying that the A solution or B solution composition used in the present invention can be further modified by adding components selected from insecticides, fungicides, fertilizer components, and nutritional components necessary for crop cultivation, thereby realizing oxygen farming for crops and enabling high-yield cultivation.

[0033] When obtaining a salt bound with the aforementioned chelating agent, the chelating agent may be EDTA (Ethylene-diamine-tetraacetic acid), DTPA (Diethylenetriamine pentaacetic acid), EDDHA (Ethylenediamine-N,N'-bis(2-hydroxyphenylacetic acid)), NTA (Nitrilitriacetic acid), CyDTA (1,2-cyclo-hexadiamine tetraacetic acid), EDDS (Ethylenediaminedisuccinic acid), MGDA (Methylglycinediacetic acid), EGTA (Ethyleneglycoltetraacetic acid), DCTA (Ethyleneglycoltetraacetic acid), GLDA (Glutamic acid diacetic acid), IDS (Aminodisuccinic acid), or Fumaric acid. One or more chelating agents selected from among lactic acid, citric acid, malic acid, butyric acid, formic acid, propionic acid, ascorbic acid, amino acids, fulvic acid, humic acid, carboxylic acid, sulfinic acid, sulfonic acid, and sulfamic acid can be used.

[0034] Furthermore, the persulfate can be selected from ammonium persulfate, sodium persulfate, and potassium persulfate. [Effects of the Invention]

[0035] As explained in detail above, the present invention, as clarified in the background art, is expected to provide the benefit of improving the marketability and yield of crops, as well as creating economic benefits for farmers through increased disease and pest resistance and securing farmers' technological competitiveness, by supplying oxygen to the soil of soil cultivation sites or the water of hydroponic cultivation sites in any form as needed for a long period of time during the process of cultivating crops, thereby increasing the oxygen concentration, and consequently providing vigorous root growth, increased root nutrient absorption capacity, increased photosynthetic products, and vigorous crop growth energy. [Brief explanation of the drawing]

[0036] [Figure 1] This is an illustrative diagram of an embodiment of the present invention for applying oxygen farming to small crops in large cultivation areas. [Figure 2] This is an illustrative diagram of an embodiment for applying oxygen farming to individual crops, specifically targeting tall crops, according to the present invention. [Modes for carrying out the invention]

[0037] Before describing the embodiments of the invention to embody the technical concept of this application, it should be noted that the terms and words used in the specification and claims of this application should not be interpreted in a way that is limited to their ordinary or dictionary meanings, the scope of protection of this application should be interpreted in a way that is consistent with the technical concept of the invention, and the examples described herein are merely the most desirable embodiments of the invention and do not represent the entire technical concept of this application. It should be understood that there may be a variety of equivalents and variations that can be substituted for them at the time of filing.

[0038] Example 1 To realize the technical configuration of this application, a storage solution of 25% by weight of aluminum sulfate hexa-octahydrate [SAMCHUN CHEMICALS, Al2(SO4)3·6-8H2O] was prepared using the oxygen-evolving catalyst composition, and a storage solution of 35% by weight of hydrogen peroxide (DAEMY CELICS, H2O2) was prepared using the oxygen-evolving composition.

[0039] Dilute the aluminum sulfate storage solution with water to a concentration of 40 ppm, and use 660 ml of the diluted aluminum sulfate solution for growing watermelons. 2 After evenly sprinkling the hydrogen peroxide solution, diluted to 100 ppm, onto the soil one day later, the oxygen-generating composition for cultivated soil used for watermelon cultivation is supplied to the soil at 10-day intervals throughout the watermelon cultivation period. During the watermelon cultivation period, 1 kg of Agrosol liquid phase fertilizer [(Agrobiz Co., Ltd.)], which has a nitrogen-phosphorus-potassium concentration ratio of 20-20-20% by weight and is a normal source for ensuring the quality and quantity of watermelons, is diluted with water and applied at 330 m³ intervals every 3 days. 2 It was irrigated.

[0040] The watermelon cultivation period was set to 120 days, and the average weight of 450 harvested watermelons was checked in order to compare the effects of the technology and concept of this invention.

[0041] Example 2 A storage solution of 25% by weight of iron chloride hexahydrate [Samjeong Seungyak, FeCl3·6H2O] was prepared using an oxygen-evolving catalyst composition, and a storage solution of 35% by weight of hydrogen peroxide (Daemyeong Chemical, H2O2) was prepared using an oxygen-evolving composition. The storage solution of iron chloride hexahydrate was diluted with water to a concentration of 10 ppm, and the diluted iron chloride hexahydrate solution was used to grow 660 ml of Chinese cabbage. 2After evenly sprinkling it onto the greenhouse soil, immediately sprinkle a hydrogen peroxide solution diluted to a concentration of 25 ppm evenly onto the soil to supply the soil with an oxygen-generating composition for cultivated soil for Chinese cabbage cultivation at 13-day intervals throughout the Chinese cabbage cultivation period. During the Chinese cabbage cultivation period, 1 kg of Agrosol liquid phase fertilizer [(Agrobiz Co., Ltd.)], which is a normal source for ensuring the quality and quantity of Chinese cabbage and has a nitrogen-phosphorus-potassium concentration ratio of 20-20-20% by weight, is diluted with water and applied at 330 m³ intervals. 2 It was irrigated.

[0042] Example 3 A storage solution containing 25% by weight of copper nitrate trihydrate [Samjeong Seungyak, Cu(NO3)2·3H2O] was prepared using the oxygen-evolving catalyst composition, and a storage solution containing 35% by weight of hydrogen peroxide (Daemyeong Chemical, H2O2) was prepared using the oxygen-evolving composition.

[0043] The storage solution of copper nitrate trihydrate was diluted with water to a concentration of 500 ppm. The diluted copper nitrate trihydrate solution was filled into a 1-liter container connected to a drainage line, and hydrogen peroxide at a concentration of 2,000 ppm was filled into another 1-liter container connected to a drainage line.

[0044] Containers filled with copper nitrate trihydrate solution and containers filled with hydrogen peroxide were suspended from the stems of 20 grapevines, respectively. The system was adjusted so that the copper nitrate trihydrate solution diluted to 500 ppm and the hydrogen peroxide solution diluted to 2,000 ppm were discharged to the soil surface of the grapevines at a rate of 5 ml per minute. These were supplied to the soil equally at 3-day intervals throughout the grape growing season. During the grape growing season, 1 kg of Agrosol liquid phase fertilizer [(Agrobiz Co., Ltd.)], which has a nitrogen-phosphorus-potassium concentration ratio of 20-20-20% by weight and is a normal source for ensuring the quality and quantity of grapes, was diluted with water and supplied at 330 m³ intervals. 2 It was irrigated.

[0045] During this period, the grape cultivation period was set to 150 days, and the average weight of Campbell variety grapes per 20 plants was confirmed in order to compare the effects of the technical concept of this invention.

[0046] Example 4 Oxygen-generating compositions for hydroponics were prepared separately using a 0.5 wt% ferric citrate (Samjongseungyak) storage solution and a 50 wt% ammonium persulfate (Samjongseungyak) storage solution.

[0047] Dilute a 5% by weight ferric citrate storage solution to a concentration of 250 ppm, and add the diluted ferric citrate to 330 ml. 2 Immediately after uniformly supplying the mature tomato hydroponic cultivation area with ammonium persulfate, a 1,000 ppm concentration solution of Agrosol liquid phase fertilizer [Agrobiz Co., Ltd.], which has a nitrogen-phosphorus-potassium concentration ratio of 20-20-20% by weight and is a normal source for ensuring crop quality and quantity during the mature tomato cultivation period, was mixed with a diluted hydrogen peroxide solution, which is the oxygen source, to a concentration of 10 ppm. This mixed solution was then continuously supplied to the hydroponic cultivation area at a rate of approximately 2.5 ml per minute.

[0048] In this study, the cultivation period for fully ripened tomatoes was set to five months, and the average weight of 500 fully ripened tomatoes harvested over five months was determined in order to compare the effects of the technology described in this application.

[0049] Example 5 A storage solution containing 25% by weight of zinc acetate trihydrate [Samjongseungyak, Zn(CH3CO2)2·3H2O] was prepared using the oxygen-evolving catalyst composition, and a storage solution containing 50% by weight of sodium persulfate (Samjongseungyak, Sodium persulfate) was prepared using the oxygen-evolving composition.

[0050] The stored zinc acetate trihydrate solution was diluted with water to a concentration of 900 ppm. The diluted zinc acetate trihydrate solution was filled into a 1-liter container connected to a drainage line, and a 5,000 ppm sodium persulfate solution was filled into another 1-liter container connected to a drainage line.

[0051] Containers filled with zinc acetate trihydrate solution and containers filled with hydrogen peroxide were suspended from the stems of 20 apple trees, respectively. The zinc acetate trihydrate solution diluted to 900 ppm and sodium persulfate at a concentration of 5,000 ppm were adjusted to be discharged to the surface of the apple trees at a rate of 5 ml per minute. These solutions were supplied to the soil seven times at 3-day intervals starting in early March (March 2nd), which is the apple sap transport period (the time when apples absorb water from the soil), throughout the apple growing season. Additionally, 1 kg of Agrosol liquid phase fertilizer [(Agrobiz Co., Ltd.)], which has a nitrogen-phosphorus-potassium concentration ratio of 20-20-20% by weight and is a normal source for ensuring apple quality and quantity, was diluted with water and irrigated onto the 20 apple trees at 5-day intervals during the apple growing season.

[0052] During this time, the apple cultivation period was set to eight months, and the average weight of Fuji apples was measured for 20 apple trees in order to compare the effects of the technology and concept of this invention.

[0053] Comparative Examples 1-5 The procedure was carried out in the same manner as in Examples 1 to 5, except that the oxygen-evolving catalyst composition and the hydrogen peroxide or persulfate oxygen-evolving composition were not supplied to the crop cultivation area during the crop cultivation period.

[0054] The results for Comparative Examples 1-5 and Examples 1-5 are shown in Table 1.

[0055] [Table 1]

[0056] As shown in Table 1, in Comparative Examples 1-5, where only trace amounts of oxygen were present in the soil and water and the possibility of root respiration by oxygen was low, the average weight of watermelons was 7.68 kg, the average weight of Chinese cabbage was 4.23 kg per head, the average weight of grapes was 294 g per bunch, the average weight of ripe tomatoes was 262 g per tomato, and the average weight of apples was 476 g.

[0057] On the other hand, as shown in Examples 1-5, when oxygen is supplied to the soil and water for soil cultivation and hydroponics, it was found that sufficient oxygen supply during root respiration of plants growing in the soil significantly increased the average weight of watermelons by 10.4 kg due to the growth and developmental activity of the roots. In the case of Chinese cabbage, the average weight per head increased by 5.74 kg, in the case of grapes, the average weight per bunch increased by 363 g, in the case of ripe tomatoes, the average weight increased by 284 g, and in the case of Fuji apples, apple crops weighing 504 g were harvested.

[0058] Furthermore, in the technical means for supplying oxygen to soil according to the present invention, when an oxygen source is supplied to the soil at an appropriate time, regardless of the time elapsed, immediately after or after the oxygen-evolving catalyst composition has been sprinkled on the soil, the oxygen source is to be sprinkled on the metal salt oxygen-evolving catalyst composition already present in the soil by a means for supplying hydrogen peroxide or persulfate to which the oxygen-evolving composition will be supplied at a later date, or the metal salt is to be supplied to a container connected to a drainage line. The oxygen-evolving catalyst composition of metal salt and the oxygen-evolving composition of hydrogen peroxide or persulfate are individually filled into the container and gradually discharged to the soil surface of the crop cultivation area through the drainage line of the container. As the metal salt and the hydrogen peroxide or persulfate composition seep into the soil and mix during the mixing process, the chemical reaction of hydrogen peroxide or persulfate provides a long-term, stable supply of oxygen to the soil, which has a high potential to increase the yield of high-quality crops by activating root respiration. It is expected that this will greatly contribute to creating economic benefits for farmers and securing their technological competitiveness by improving crop growth and increasing productivity while minimizing labor. [Explanation of Symbols]

[0059] Figure 1 is a photographic diagram illustrating an example of how the present invention's technical concept can be applied to small crops and oxygen farming in large cultivation areas, while Figure 2 is a photographic diagram illustrating an example of how oxygen farming can be applied to tall crops and individual crops. Therefore, it can be said that no further explanation of the symbols is necessary.

Claims

1. In a farming method that enables high-yield cultivation by supplying oxygen necessary for root respiration of crops over a long period of time, Solution A stores an oxygen-evolving catalyst composition in which an inorganic substance selected from aluminum (Al), titanium (Ti), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), and tungsten (W) is dissolved in water at a concentration of 0.05 to 25% by weight, in one of the following forms: sulfate, chloride, nitrate, acetate, phosphate, fluoride, or salt, bonded with a chelating agent. Hydrogen peroxide (H ２ O ２ Each of the following solutions B is individually configured to store an oxygen-generating composition in which an oxygen-generating composition containing ) or persulfate is dissolved in water at a concentration of 50% by weight or less: Depending on the crop cultivation environment, either method C is applied, in which solution A is first diluted to a concentration range of 10 ppm to 900 ppm and sprayed onto the soil, and then solution B is diluted to a concentration of 25 ppm to 5,000 ppm and sprayed onto the crop cultivation area, or Depending on the crop cultivation environment, solution A is diluted to a concentration of 10 ppm to 900 ppm and stored in a container (A-1) equipped with a drainage line and discharge means. A farming method applied by means D, in which solution B is diluted to a concentration of 25 ppm to 5,000 ppm, stored in a container (B-1) equipped with a drainage line and discharge means, and sprayed on crop cultivation land, thereby realizing oxygen farming for crops and enabling high-yield cultivation.

2. The farming method according to claim 1, wherein one or more components selected from insecticides, fungicides, fertilizer components, and nutrient components are added to the A solution or B solution composition in such a way that oxygen farming for crops can be realized and high-yield cultivation can be achieved.

Images