KR0129827B1 - Orgnic acid compound - Google Patents

Orgnic acid compound

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Publication number
KR0129827B1
KR0129827B1 KR1019940022479A KR19940022479A KR0129827B1 KR 0129827 B1 KR0129827 B1 KR 0129827B1 KR 1019940022479 A KR1019940022479 A KR 1019940022479A KR 19940022479 A KR19940022479 A KR 19940022479A KR 0129827 B1 KR0129827 B1 KR 0129827B1
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laver
acid
organic acid
seawater
nitrogen
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KR1019940022479A
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Korean (ko)
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KR960009849A (en
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이광일
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이광일
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G1/00Mixtures of fertilisers belonging individually to different subclasses of C05

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cultivation Of Seaweed (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

A growth of laver, a see weed, was accelerated by removing impurities of the laver surface by using an organic acid mixture. The organic acid mixture comprises 10- 30 wt.% of citric acid, 0.3- 2.5 wt.% of nitrogen, 0.1- 2.0 wt.% of phosphor, 0.3- 2.3 wt.% of silica, up to 0.2 wt.% of amino acids such as a mixture of histidine, arginine and glutamate, and the balance being active water.

Description

김양식용 유기산 혼합물Seaweed Organic Acid Mixture

본 발명은 바다에서 김(해태 : 海苔) 양식시 사용되는 유기산 혼합물에 관한 것으로, 특히 PH를 하강시켜 김엽체 표면의 잡조, 잡균 등의 이물질을 제거함과 함께 영양분 공급으로 김성장을 촉진시키고 또한 사용된 유기산 혼합물이 해수에서 오염되지 않는데 적합한 김양식용 유기산 혼합물에 관한 것이다. 바다에서 김을 양식함에 있어, 김엽체가 어느 정도 성장하기 시작하면 김엽체 표면에 각종 세균 등을 비롯한 이물질이 부착하여 김의 성장을 저해 시킬 뿐 아니라 바닷물 속의 영양염류의 흡수를 차단시켜 부실한 엽체로 만들어 병해에 약해지는 등의 품질을 저하시키고 있다. 따라서 이와 같은 김엽체 표면에 부착되는 이물질을 제거하기 위하여 지금까지 독극물로 분류되어온 무기산인 염산(HCℓ : 35%농도)에 적당량의 해수를 혼합하여 phl.5-2.0 정도로 된 혼합용액을 만든 다음, 이 혼합용액을 배에 실어 양식장에 나가서 바다양식에 설치된 김망을 이 용액에 연속적으로 침적시킨 후 김망을 다시 원래의 상태로 바다에 다시 넣어 처리하여 왔다. 이렇게 함에 따라 감엽체 표면에 부착된 각종 세균 및, 이물질등이 강산성의 화학물질에 의거 제거되어 왔다. 그러나 상기와 같은 무기산인 염산의 사용은 김의 이물질이 제거된 후에는 해수와의 접촉에서 빨리 분해되어야 하나 그 분해력이 약하여 결국 해저에 침적하거나 부유된 상태로 잔류함으로써, 각종 패류(바지락, 피조개, 새고막 등)의 폐사, 어군의 미형성 등 생태계의 파괴로 어장의 황폐화를 초래하여 근래에 사회적으로 문제화되고 있다. 또한 약한 식물세포에 강산성의 화합물을 사용함에 따라 김엽체가 심한 자극을 받아 김의 수명이 단축되며, 또한 김양식을 함에 있어 독극물인 염산을 사용한다고 하는 소비자에 대한 인식이 좋지 않아 김의 불매운동 내지는 김 가격의 하락이 염려되는 등의 문제가 있어 왔다. 본 출원인은 상기한 문제점을 해결하기 위한 일환으로서 특허공보 제 93-1375호로 특허(이하 선기술이라 함)받은 바 있다.The present invention relates to an organic acid mixture used in seaweed (Haitai: 海苔) aquaculture in the sea, and in particular, by lowering PH to remove foreign matters such as algae and other bacteria on the surface of the lamellar body and to promote the growth of laver by nutrient supply The organic acid mixture relates to a seaweed organic acid mixture suitable for being free from contamination in seawater. In farming laver in the sea, when the laver begins to grow to a certain extent, foreign substances including various bacteria are attached to the laver surface to inhibit the growth of laver and block the absorption of nutrients in the seawater, making it a poor leaf. It lowers the quality, such as weakening the disease. Therefore, in order to remove the foreign substances adhering to the surface of the lamellar body, an appropriate amount of seawater is mixed with hydrochloric acid (HCℓ: 35% concentration), which has been classified as a poison, to make a mixed solution of about phl.5-2.0. The mixed solution was loaded on the ship and went out to the farm, and the laver from sea culture was continuously deposited in this solution, and then the laver was put back into the sea to be treated. As a result, various bacteria and foreign substances adhering to the surface of the periphery have been removed based on strong acidic chemicals. However, the use of hydrochloric acid as an inorganic acid should be decomposed quickly in contact with seawater after the removal of foreign matters of seaweed, but its degrading power is weak so that it will remain deposited or floated on the sea floor, resulting in various shellfish (shellfish, shellfish, The destruction of ecosystems, such as the death of new eardrums and the formation of fish stocks, has caused desolation of fisheries, which has recently become a social problem. In addition, the use of strong acidic compounds on weak plant cells causes severe stimulation of the laver, which shortens the life of laver, and the lack of awareness of consumers that they use hydrochloric acid, a poison, in laver farming. There have been problems such as fear of falling prices. Applicant has been patented (hereinafter referred to as a prior art) in Patent Publication No. 93-1375 as part of solving the above problems.

상기한 선기술에서 유기산 혼합물은 구연산 5-30%, 링고산 또는 주석산 5-30%, 아미노산 0.5-2.0%, 질산, 인산, 칼리가 배합된 복합비료 1.0-8.0%, 활성수 30-88%로 구성되어 있다. 그러나 선기술은 종래의 염산사용에 따른 문제점을 개선하고 있으나 링고산 또는 주석산 및 아미노산을 많이 사용하고 있어 경제적이지 못하다. 이에 본 발명은 구연산을 사용하되 링고산 또는 주석산은 사용하지 않으며 또한 아미노산 양을 적게 함과 함께 복합비료중 칼리 대신 규소(Si)를 사용하는 등 선기술과 전체적으로 상이한 유기산 혼합물로 함으로써 경제적으로 유리하면서도 각종 잡균의 번식억제 및 해수오염 방지에서 선기술과 대등하거나 오히려 증진된 효과를 갖는 유기산 혼합물을 제공하고자 하는데 그 목적이 있다.In the above-mentioned technology, the organic acid mixture is 5-30% citric acid, 5-30% lingoic or tartaric acid, 0.5-2.0% amino acid, 1.0-8.0% compound fertilizer compounded with nitric acid, phosphoric acid and Kali, 30-88% active water. Consists of However, the prior art improves the problems caused by the use of conventional hydrochloric acid, but it is not economical because it uses a lot of ringo acid or tartaric acid and amino acids. Therefore, the present invention uses citric acid but does not use ringo acid or tartaric acid, and it is economically advantageous by using an organic acid mixture which is entirely different from the prior art, such as using a small amount of amino acids and using silicon (Si) instead of kali in the compound fertilizer. It is an object of the present invention to provide an organic acid mixture having an effect that is equivalent to or rather enhanced than the prior art in the suppression of propagation of various germs and prevention of seawater pollution.

이하, 본 발명을 설명한다. 본 발명은 100중량%로서, 구연산 10-30%, 질소 0.3-2.5%, 인 0.1-2.0%, 규소 0.3-2.3%, 아미노산 0.2% 이하이고 나머지는 활성수로 이루어진 유기산 혼합물로 조성된다. 상기한 조성에서 선행기술은 육상식물의 성장에 필요한 3대원소(질소, 인, 칼륨)를 사용하였으나 본 발명은 김양식의 성장에 필요한 질소, 인, 규소로 하였고 그 외에 천연아미노산을 소량 사용하였다. 아미노산은 여러 종류 사용할 수 있으나, 히스티딘(histidine), 아르기닌(arginine), 글루타메이트(glutamate)를 혼합 사용함이 바람직하고 경제성을 감안하여 충사용량은 0.2%로 하였고, 이때 혼합비율은 히스티딘은 아르기닌보다 2-3배 정도 많게 하고 글루타메이트는 0.01% 이하로 함이 바람직하다. 상기 혼합물에서 구연산(citric acid)은 히드록시트리카르복실산의 하나이며, 시트론, 등자, 밀감 등의 과실 중에 유리되어 존재하며 여기에서 짜내어 제조되거나, 당류를 미생물로 발효시켜 제조되는 것으로, 유기산(카르복실산)의 성질을 가진다. 이와 같은 구연산은 약산성을 띠는 것으로 김엽체 표면의 잡조, 잡균 등의 이물질을 제거시킴과 함께 조해성(潮解性)이 강하여 해수와의 접촉에서 빨리 분해됨으로써 해저에 침적되거나 부유된 상태로 존재하지 않아 바다의 오염을 방지한다. 이와 같은 구연산을 사용함에 있어 그 사용량이 10중량% 이하일 경우는 김엽체 표면의 잡조, 잡균 등과 같은 이물질의 달라붙음 방지에 미약하고 30중량% 이상일 경우는 사용량에 비해 이물질 제거가 월등히 증진되지 않아 그 사용량 증대에 따른 제조원가의 상승요인이 된다. 따라서, 사용범위를 10∼30중량%로 한 것이다.Hereinafter, the present invention will be described. The present invention is 100% by weight, 10-30% citric acid, 0.3-2.5% nitrogen, 0.1-2.0% phosphorus, 0.3-2.3% silicon, 0.2% or less amino acid and the rest is composed of an organic acid mixture consisting of active water. In the above composition, the prior art used three major elements (nitrogen, phosphorus, potassium) necessary for the growth of land plants, but the present invention used nitrogen, phosphorus, and silicon required for growth of laver farming, and other small amounts of natural amino acids. Although several kinds of amino acids can be used, it is preferable to use histidine, arginine, and glutamate, and the economical dose is 0.2% in consideration of economic efficiency. It is preferable to make it about 3 times more and glutamate to 0.01% or less. Citric acid (citric acid) in the mixture is one of hydroxytricarboxylic acid, is present freely in the fruit of citron, stirrup, citrus, etc., is produced by squeezing or fermentation of sugars into microorganisms, organic acid It has the property of (carboxylic acid). Such citric acid is weakly acidic and removes foreign substances such as miscellaneous microorganisms and microorganisms on the surface of the lamellar body, and has strong deliquescent property, so that it does not exist in the state of being deposited or floating on the sea floor because it decomposes quickly in contact with sea water. Prevent the pollution of the sea. In the case of using citric acid, if the amount used is less than 10% by weight, it is weak to prevent adhesion of foreign substances such as miscellaneous microorganisms and microorganisms on the surface of the lamellar body. If the amount is more than 30% by weight, the removal of foreign substances is not much improved compared to the amount used. This will increase manufacturing costs due to increased usage. Therefore, the use range is made into 10 to 30 weight%.

상기 선기술에서는 질소, 인, 칼리라는 육상식물의 3대영양분을 대상으로 한데 반해, 본 발명은 상기 요소중 칼리 대신 규소를 사용하는데 있다. 즉, 질소, 인, 규소의 3대요소는 해상식물의 성장을 촉진시키는데 필요한 성분으로써, 질소는 식물원형질의 주성분인 담백질의 합성에 필요하고, 식물세포의 분열 및 증식에 관여하여 뿌리의 발육, 잎과 줄기의 생육에 필요하다. 이와 같은 질소는 바다에 어느정도 존재하고 있으나 그 양이 부족한 것으로, 질소질의 결핍현상이 생기면 잎이 담황색 또는 붉은색을 띠고, 과잉 섭취시는 잎이 암록색으로 되어 연약해져서 오히려 병해충 등에 저항력이 약해져 성숙이 늦어진다. 따라서, 그 사용량이 0.3중량% 이하에서는 결핍현상의 제거가 용이치 않으며, 2.5중량% 이상일 경우는 많은 량의 사용량에 비례하여 상기의 좋은 효과가 배증되지 않는다. 인은 세포의 원형질을 구성하는 것으로, 어린 싹이나 뿌리가 생길 때 필요한 영양 공급원으로써 구연산 용액에 대한 용해성을 나타낸다. 그 사용량이 적으면(0.1중량% 이하) 상기 효과가 적고, 너무 많이(2.0중량%) 사용한다 하여 그 효과가 배중되지 않아 0.1∼2.0중량%로 한 것이다. 규소는 잡균 등의 이물질에 내성(耐性)을 갖게 하여 상기 질소, 인과 관계하여 성장을 촉진시키는 역할을 한다. 그 사용량이 0.3중량 이하일 경우는 내성이 부족하고, 2.3중량% 이상이라하여 내성이 배증된다 할 수 없다. 상기 3대요소(질산, 인, 규소)는 종합적으로 이루어지는 것으로, 그 중 어느 하나가 본 발명의 배합비범위를 다소 벗어난다 하여도 실시 가능하다. 그러나 본 발명은 상기 요소를 균형있게 조절시켜 배합하는데 있다. 또한 이러한 3대요소를 사용함에 있어서는 제조원가를 감안하지 않을 수 없으므로 상기 범위로 한 것이다. 아미노산은 영양상 담백질 등의 평형을 유지하는데 필요한 것으로 영양을 증대시킴으로써 김엽체의 성장이 촉진됨에 따라 세포막이 두껍게 되어 각종 세균의 침투를 억제시키기 위한 것이다. 그 사용량이 지나치면 제조원가가 높아진다. 따라서 0.2중량% 이하로 한 것이다. 활성수는 바이오 세라믹을 이용하여 정수된 것으로, 이론은 정립되어 있지 않으나, 활성수를 첨가한 바 김엽체 세포의 장력이 커지고, 신선도 유지 및 원초의 쭈그러짐이 방지됨을 알 수 있었다. 이와 같은 유기산 혼합물을 해수와 혼합 사용하는데 있어서는 그 량에 따라 다소 차이는 있으나 해수 : 유기산 혼합물 = 10∼200 : 1의 비율로 할수 있다. 여기에서 해수와의 사용비율을 본 발명의 기술적 구성에 포함되는 것이 아니고, 이를 이용시의 일예를 제시하는데 불과하다. 상기한 유기산 혼합물을 해수에 혼합한 후 여기에 양식김을 적하시킨다. 이와 같은 조성을 갖는 본 발명과 종래의 무기산인 염산을 각각 김엽체에 적시하여 일정기간(3일 및 4일) 경과후 PH변화를 조사하였다. 그 결과(표 1)과 같이, 종래의 경우는 각각 2.67과 2.70정도로서 분해되지 않았으나, 본 발명의 유기산 혼합물은 8.10과 8.15로써 분해가 촉진됨을 알수 있으며, 이는 선행기술 8.0-8.03에 비해 대등하거나 오히려 증진된 결과를 얻게 되었다.In the prior art, nitrogen, phosphorus and kali are targeted to the three major nutrients of land plants, whereas the present invention uses silicon instead of kali. That is, the three major elements of nitrogen, phosphorus, and silicon are necessary for promoting the growth of marine plants. Nitrogen is necessary for the synthesis of protein, the main component of plant protoplasts, and is involved in the division and proliferation of plant cells. Necessary for the growth of leaves and stems. Nitrogen is present in the ocean to some extent, but its amount is insufficient. When nitrogen deficiency occurs, the leaves become pale yellow or red, and when ingested, the leaves become dark green and become weak and rather weak to pests. Late. Therefore, if the amount is 0.3 wt% or less, it is not easy to remove the deficiency phenomenon, and when it is 2.5 wt% or more, the good effect is not doubled in proportion to the amount used. Phosphorus constitutes the cell's protoplasm and is soluble in citric acid solution as a nutrient source for young shoots or roots. If the amount of use thereof is small (0.1 wt% or less), the above-mentioned effect is small, and if it is used too much (2.0 wt%), the effect is not doubled, so that it is 0.1 to 2.0 wt%. Silicon makes it resistant to foreign substances such as various bacteria and promotes growth in association with the nitrogen and phosphorus. If the amount is 0.3 wt% or less, the resistance is insufficient and 2.3 wt% or more means that the resistance cannot be doubled. The three major elements (nitric acid, phosphorus, and silicon) are made in a comprehensive manner, and any of them can be implemented even if the compounding ratio is slightly outside the range of the present invention. However, the present invention seeks to balance and adjust the elements. In addition, in using these three elements, manufacturing cost must be taken into consideration, therefore, the above range is set. Amino acids are necessary to maintain the equilibrium of nutritional protein, etc. To increase the nutrition by promoting the growth of lamellar body, the cell membrane is thickened to suppress the penetration of various bacteria. Excessive usage increases manufacturing costs. Therefore, it is made into 0.2 weight% or less. The active water was purified using bio ceramics, but the theory was not established. However, it was found that the addition of the active water increased the tension of the lamellar cells and prevented freshness and wrinkling. The use of such an organic acid mixture with seawater is somewhat different depending on the amount thereof, but the ratio of seawater: organic acid mixture = 10 to 200: 1 can be used. Here, the use ratio with seawater is not included in the technical configuration of the present invention, but merely presents an example of using the same. After mixing the above-mentioned organic acid mixture in seawater, the cultured seaweed is dripped here. Hydrochloric acid, which is the present invention and the conventional inorganic acid having such a composition, was timely applied to the laver to investigate the change in pH after a certain period (3 days and 4 days). As a result (Table 1), the conventional case was not decomposed as 2.67 and 2.70, respectively, the organic acid mixture of the present invention can be seen that the decomposition is promoted as 8.10 and 8.15, which is equivalent to or rather than prior art 8.0-8.03 Improved results have been obtained.

다음은 실시예에 따라 설명한다. 본 발명의 실질적인 효능을 시험하기 위하여 실제 양식장과 동일하게 바다에서 직접 시험하여 적용하였다.The following is described according to the embodiment. In order to test the practical efficacy of the present invention it was applied by directly testing in the sea as in the real farm.

[실시예 1]Example 1

상기 (표 2)와 같이 혼합한 본 발명의 처리제를 해수에 혼합하여(해수 : 처리제 = 20 : 1) 3회에 걸쳐 실시하였다. 그 결과(표 3)과 같이 파래구제, 규조류구제, 갯병이 발생되지 않았고, 무처리에 비해 60% 이상의 수확량을 얻을 수 있었다.The treatment agent of the present invention, which was mixed as shown in Table 2 above, was mixed with seawater (sea water: treatment agent = 20: 1) and carried out three times. As a result (see Table 3), no greening, no diatom control, no littering occurred, and yields of 60% or more were obtained compared to no treatment.

[실시예 2]Example 2

상기 (표 4)와 같이 혼합된 처리제를 해수와 혼합하였다.(해수 : 처리제 = 15 : 1) 그 결과 (표 5)와 같이 나타났다. 본 실시예 2는 실시예 1 보다 처리제 사용량을 적게(활성수를 제외한 성분)하면서 침적시간을 길게 하였고, 시험발을 많게 하였다.(부류식 10책) 그 결과 파래구제, 규조류 구제 등을 비롯한 가공 후 김수확량이 실시예 1 과 동등하였다. 이는 침적시간을 실시예 1 보다 다소 길게한 결과로써, 실시예 1을 실시예 2처럼 침적시간을 길게 하면 실시예 1의 수확량이 약간 증대될 것으로 보여진다.The mixed treatment agent as shown in Table 4 was mixed with seawater. (Sea water: treatment agent = 15: 1) The result was as shown in (Table 5). In Example 2, the amount of treatment agent used was less than that of Example 1 (components other than the active water), and the deposition time was increased, and the test feet were increased. (Class 10 books) As a result, processing including seaweed relief, diatom control, etc. After that, the yield was equal to that of Example 1. This is a result of the deposition time slightly longer than Example 1, it seems that if the Example 1 to increase the deposition time as Example 2, the yield of Example 1 will be slightly increased.

[실시예 3]Example 3

본 실시예 3이 실시예 2와 다른 점은 규소량을 2.3중량%로 하고, 활성수를 86.45중량%로 한 것 외는 실시예 2와 동일하게 하였고, 시험방법 역시 동일하게 하였다. 그 결과(표 6)과 같이 실시예 2에 비해 약 5% 정도의 증진된 수확량을 얻게 되었다.This Example 3 is different from Example 2 was the same as in Example 2 except that the amount of silicon was 2.3% by weight, the active water was 86.45% by weight, and the test method was also the same. As a result (Table 6), an improved yield of about 5% was obtained compared to Example 2.

[비교예 1]Comparative Example 1

(표 7)과 같은 처리제를 해수에 혼합하였다. (해수 : 처리제 = 15 : 1) 그리고 실시예 2와 동일한 조건으로 실시하였다. 그 결과(표 8)과 같이 나타났다. 비교예 1은 실시예 2에 비해 약 5%정도 감소현상이 나타났다.The treating agent as shown in Table 7 was mixed with seawater. (Sea water: treatment agent = 15: 1) And it implemented on the conditions similar to Example 2. The result is shown as (Table 8). Comparative Example 1 was reduced by about 5% compared to Example 2.

[비교예 2]Comparative Example 2

상기 (표 9)와 같이 본 발명의 상한치를 넘게 배합한 처리제를 해수와 혼합(해수 : 처리제 = 20 : 1)하였다. 그리고 실시예 1과 동일한 조건으로 시험하였다. 그 결과(표 10)처럼 나타났는데, 이는 상기 처리제 첨가량의 증량에도 불구하고 실시예 1과 큰 차이가 없었다. 이와 같은 처리제의 사용량 증대는 오히려 제조원가의 상승요인이 있음과 함께 해수 중에는 질소, 인 등이 어느 정도 존재하고 있으므로 임의로 이를 많이 증량시킨다 하여 이에 비례하여 수확량이 증대되지 않음을 알 수 있었다.As shown in the above (Table 9), a treatment agent blended above the upper limit of the present invention was mixed with seawater (sea water: treatment agent = 20: 1). And it tested on the same conditions as Example 1. The results (Table 10) appeared, which was not significantly different from Example 1 despite the increase in the amount of the treatment agent added. The increase in the amount of treatment used is a factor of the increase in manufacturing cost, and there is a certain amount of nitrogen, phosphorus, etc. in the seawater. Therefore, it can be seen that the yield is not increased in proportion to this.

이상에서와 같이 본 발명인 유기산 혼합물은 김엽체에 부착된 파래, 규조류 등을 구제하고 중성포자 부착을 촉직하며, 또한 건강한 김엽체 성장을 촉진시킴과 동시에 여러 종류의 김엽체에 발생하는 갯병은 방제하는 역할을 수행하므로써 김의 품질을 비롯한 생산량이 증대된 김을 얻을 수 있다.As described above, the organic acid mixture of the present invention controls the green seaweeds, diatoms, etc. attached to the laver and promotes the attachment of neutrophils. By playing a role, it is possible to obtain seaweed with increased production, including quality of seaweed.

Claims (2)

100중량%로서, 구연산 10-30%, 질소 0.3-2.5%, 인 0.1-2.0%, 규소 0.3-2.3%, 아미노산 0.2% 이하이고, 나머지는 활성수로 이루어짐을 특징으로 하는 김양식용 유기산 혼합물.100% by weight, citric acid 10-30%, nitrogen 0.3-2.5%, phosphorus 0.1-2.0%, silicon 0.3-2.3%, amino acid 0.2% or less, the rest of the organic farming for organic farming characterized in that the active water. 제 1항에 있어서, 아미노산이 히스티딘(histidine), 아르기닌(arginine), 글루타메이트(glutamate)혼합물임을 특징으로 하는 김양식용 유기산 혼합물.[Claim 2] The organic acid mixture for aquaculture of claim 1, wherein the amino acid is a histidine, arginine, or glutamate mixture.
KR1019940022479A 1994-09-07 1994-09-07 Orgnic acid compound KR0129827B1 (en)

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KR100300222B1 (en) * 1999-04-15 2001-09-22 김우창 netritment for seewood
KR100720827B1 (en) * 2006-05-30 2007-06-28 한국수산개발 주식회사 Acidic agents

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JP4176347B2 (en) * 2001-12-11 2008-11-05 第一製網株式会社 Algicidal fungicide
KR101112781B1 (en) * 2011-02-28 2012-02-24 (주)에이스나노텍 A natural vitality composition for cultivating laver
KR102570041B1 (en) 2021-08-06 2023-08-24 대한민국 Compositions for Exterminating Pythium chondricola in Pyropia Comtaining Peracetic acid and Method of Exterminating Pythium chondricola

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100300222B1 (en) * 1999-04-15 2001-09-22 김우창 netritment for seewood
KR100720827B1 (en) * 2006-05-30 2007-06-28 한국수산개발 주식회사 Acidic agents

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