KR101900643B1 - Cultivation method of spinach by using light quality in closed-type plant factory system - Google Patents
Cultivation method of spinach by using light quality in closed-type plant factory system Download PDFInfo
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- 235000009337 Spinacia oleracea Nutrition 0.000 title claims abstract description 64
- 241000219315 Spinacia Species 0.000 title claims abstract description 61
- 241000196324 Embryophyta Species 0.000 title claims abstract description 55
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- 235000015097 nutrients Nutrition 0.000 claims description 8
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- 230000001678 irradiating effect Effects 0.000 abstract description 2
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/20—Forcing-frames; Lights, i.e. glass panels covering the forcing-frames
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Y02P60/149—
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- Life Sciences & Earth Sciences (AREA)
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- Cultivation Of Plants (AREA)
- Hydroponics (AREA)
Abstract
본 발명은 밀폐형 식물 공장 시스템(closed-type plant factory system)에서 LED 램프를 통해 적색(red):청색(blue):백색(white)이 8:1:1의 비율인 파장의 빛을 170~190 μmol·m-2·s-1 광도와 14L/10D의 광주기로 광조사(lighting)하는 것을 포함하는 시금치의 재배방법에 관한 것으로, 상기 밀폐형 식물 공장 시스템은 내부 환경을 온도 20~22℃, 상대습도 60~80%로 조절하고, 상기 시금치의 재배방법은 시금치를 암면 펠릿이 담긴 플러그 트레이에 파종한 후 밀폐형 식물 공장에서 재식밀도로 정식(定植)하고, 담액식 순환 수경재배방식으로 이루어지는 것을 특징으로, 최적의 광질이 적용됨으로 인하여 시금치의 생육을 촉진시키는 효과를 얻을 수 있다. 또한 고품질의 시금치를 효율적으로 생산할 수 있다.The present invention relates to a closed-type plant factory system in which light of a wavelength of red: blue: white of 8: 1: 1 is emitted through an LED lamp at 170-190 The present invention relates to a method of cultivating a spinach, which comprises irradiating light with a luminous flux of 14 μm / m 2 · s -1 and a light period of 14 L / 10 D, And the humidity is adjusted to 60 to 80%. The method of culturing the spinach is characterized in that the spinach is sown on a plug tray containing the rocky pellets and then planted at a planting density at a planting density in a closed plant, , It is possible to obtain an effect of promoting the growth of spinach due to the application of optimal light quality. In addition, high-quality spinach can be produced efficiently.
Description
본 발명은 밀폐형 식물 공장 시스템에서의 광질을 이용한 시금치의 재배방법에 관한 것으로, 구체적으로 밀폐형 식물 공장 시스템(closed-type plant factory system)에서 광질을 조절함으로써 시금치의 생육을 촉진시키고 고품질의 시금치를 효율적으로 생산할 수 있는 재배방법에 관한 것이다.The present invention relates to a method for cultivating spinach using a light quality in a closed plant plant system, specifically, by controlling light quality in a closed-type plant factory system, promoting the growth of spinach and efficiently producing high-quality spinach To a cultivation method capable of producing the plant.
최근, 식물 재배에 있어서, 특정 영역대의 광파장을 방출하는 발광 다이오드 (LED)를 이용하는 방법이 이용되고 있다. LED를 이용한 식물 재배 방식은 백열등이나 형광등에 비해 전력소모가 적고, 불필요한 파장 영역을 제외한 원하는 특정 영역의 파장을 선택적으로 조사할 수 있어 식물 재배에 효율적인 방법이다.Recently, a method using a light emitting diode (LED) that emits a light wavelength in a specific region has been used in plant cultivation. The plant cultivation method using the LED is less efficient than the incandescent lamp or the fluorescent lamp and is an efficient method for plant cultivation since it can selectively investigate the wavelength of the desired specific region except the unnecessary wavelength region.
종래 LED 광원을 이용한 식물 재배와 관련된 기술로써, 식물을 재배하기 위해 좁은 공간에서 생산효율을 높이기 위한 폐쇄형 LED 식물공장에 관한 것으로 전력소비가 적고 광효율이 높은 적외선광, 적색광, 청색광의 LED 램프를 광원으로 사용한 식물 재배 시스템에 관한 문헌(한국특허공개공보 제2004-0010426호)이 있다. The present invention relates to a closed LED plant plant for increasing production efficiency in a narrow space for cultivating plants, which is related to plant cultivation using a conventional LED light source. The LED plant lamp has a low power consumption and high light efficiency, and has an infrared light, a red light and a blue light. There is a literature (Korean Patent Laid-Open Publication No. 2004-0010426) on a plant cultivation system used as a light source.
또한 다양한 파장을 갖는 여러 종류의 LED를 적절한 비율로 조합하여 베드 상에 다수 배치하고 식물의 종류나 생육상황에 따라 교체하는 방식에 관한 문헌(한국특허공개공보 제2003-0005023호)이 있다. 하지만, 상술한 문헌에 개시된 기술들은 식물의 성장, 발아, 개화에 필요한 특정 파장의 광원을 생산하기 위해 복잡한 제어 시스템을 요구하며, 고장율이 높고 생육조건에 따라 사용되지 않은 광원도 불필요하게 공간을 차지하는 문제가 있다.There is also a literature (Korean Patent Laid-Open Publication No. 2003-0005023) regarding a method of arranging a plurality of LEDs having various wavelengths in a suitable ratio on a bed and replacing them according to kinds of plants and growth conditions. However, the techniques disclosed in the above-mentioned documents require a complicated control system to produce a light source of a specific wavelength necessary for plant growth, germination, and flowering, and a light source that has a high failure rate and is not used depending on the growth conditions occupies an unnecessary space there is a problem.
현재 농업분야에서의 LED 연구에서 다양한 조합의 LED 램프를 사용하여 식물의 생육발달 및 수량 증진연구 및 기능성 물질의 증가를 위한 파장대역별 생장반응 및 식물생리활성 물질 축적증대 기술에 대한 연구가 진행 중이다.Currently, LED researches in the field of agriculture are using various combinations of LED lamps to study the growth and development of plants, research on the growth response of plants and the accumulation of plant physiological active materials for the increase of functional materials.
하지만 다양한 LED 램프 조합을 이용한 광원이 시금치에 미치는 영향에 대한 연구결과는 미미한 실정이다.However, the results of the study on the effect of the light source on the spinach using various combinations of LED lamps are insignificant.
이에 본 발명자들은 식물 중 시금치에 대한 효율적 생장을 위한 인공광원 탐색과 광질 조절에 대한 연구를 계속하던 중 인공광원으로서 적색, 청색, 백색의 LED를 적당한 비율로 혼합하여 조사할 경우 시금치 생육을 위한 최적 파장대를 제공하여 식물 생산 시스템 내에서 시금치 생육 속도를 더욱 향상시킴과 동시에 고품질, 다수확 효과가 있음을 확인함으로써 본 발명을 완성하였다.Therefore, the present inventors continued research on artificial light source and control of light quality for efficient growth of spinach in plants, and found that when irradiated with red, blue, and white LEDs as an artificial light source at an appropriate ratio, The present inventors have completed the present invention by confirming that the spinach growth rate is further improved in the plant production system and that the high quality and high yielding effects are obtained.
본 발명은 상기의 문제점을 해결하기 위해서 안출된 것으로, 밀폐형 식물 공장 시스템(closed-type plant factory system)에서 시금치의 생육을 위한 최적 광질을 제시하여 시금치의 생육을 촉진시키고 품질을 향상시킬 수 있는 밀폐형 식물공장 시스템에서 시금치의 재배방법을 제공하는 데 그 목적이 있다.DISCLOSURE Technical Problem Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a closed-type plant factory system in which an optimal light quality for spinach cultivation is presented to promote the growth of spinach, The purpose of plant plant system is to provide a method of cultivation of spinach.
본 발명이 해결하고자 하는 과제들은 이상에서 언급한 과제로 제한되지 않으며, 여기에 언급되지 않은 본 발명이 해결하려는 또 다른 과제들은 아래의 기재로부터 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 명확하게 이해될 수 있을 것이다.The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems to be solved by the present invention, which are not mentioned here, can be understood by referring to the following description to those skilled in the art It will be understood clearly.
상기 목적을 달성하기 위해, 밀폐형 식물 공장 시스템(closed-type plant factory system)에서 인공광원 파장의 빛을 170~190 μmol·m-2·s-1 광도와 14L/10D의 광주기로 광조사(lighting)하는 것을 특징으로 한다.In order to achieve the above object, in a closed-type plant factory system, light of an artificial light source wavelength is illuminated with a light intensity of 170 to 190 μmol · m -2 · s -1 and a light period of 14 L / ).
상기 인공광원은 적색(red), 청색(blue), 백색(white) LED 램프를 혼합하여 구성되며, 적색:청색:백색이 8:1:1의 광량비율로 구성되는 것을 특징으로 한다.The artificial light source is formed by mixing red, blue, and white LED lamps, and red: blue: white is formed at a light amount ratio of 8: 1: 1.
상기 밀폐형 식물 공장 시스템은 내부 환경을 온도 20~22℃, 상대습도 60~80%로 조절하는 것을 특징으로 한다.The closed plant plant system is characterized in that the internal environment is controlled at a temperature of 20 to 22 ° C and a relative humidity of 60 to 80%.
상기 시금치의 재배방법은 시금치를 암면 펠릿이 담긴 플러그 트레이에 파종한 후 밀폐형 식물 공장에서 재식밀도로 정식(定植)하는 것을 특징으로 한다.The spinach cultivation method is characterized in that the spinach is sown on a plug tray containing pellets on the rocky surface and then planted at a planting density in a closed plant.
또한, 상기 시금치의 재배방법은 담액식 순환 수경재배방식으로 이루어지는 것을 특징으로 한다.In addition, the spinach cultivation method is characterized in that the spinach is cultivated in a circulating liquid circulating hydroponic culture system.
상기 과제의 해결 수단에 의해, 본 발명에 따른 밀폐형 식물 공장 시스템에서 광질을 이용한 시금치의 재배방법은 시금치의 생육을 위한 최적 광질 규명을 통해 에너지 절감 및 시금치의 품질을 향상시킬 수 있는 효과가 있다.According to the solution of the above-mentioned problems, the method of cultivating spinach using a light quality in the closed plant plant system according to the present invention has the effect of saving energy and improving the quality of spinach by identifying the optimum quality for growth of spinach.
또한, 시금치의 생육을 촉진시키고 대규모 식물 공장 시스템에 적용하여 고품질의 시금치를 대량 생산할 수 있는 효과가 있다.In addition, it promotes the growth of spinach and can be applied to a large-scale plant plant system to mass-produce high-quality spinach.
도 1은 본 발명의 일실시예에 따른 밀폐형 식물공장의 실험 모식도
도 2는 본 발명의 일실시예에 따른 밀폐형 식물공장 내 광질에 따른 시금치의 생육 사진
도 3은 본 발명의 일실시예에 따른 밀폐형 식물공장 내 광질에 따른 시금치의 엽 형태 사진Fig. 1 is a schematic diagram of an experiment of a closed plant plant according to an embodiment of the present invention
2 is a photograph showing the growth of spinach according to the light quality in a closed plant plant according to an embodiment of the present invention
FIG. 3 is a photograph of a leaf shape of a spinach according to the light quality in a closed plant plant according to an embodiment of the present invention.
이하, 첨부된 도면들에 기재된 내용들을 참조하여 본 발명의 실시예들을 상세하게 설명한다. 다만, 본 발명이 실시예들에 의해 제한되거나 한정되는 것은 아니다. 각 도면에 제시된 동일한 참조부호는 동일한 부재를 나타낸다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. Like reference symbols in the drawings denote like elements.
본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시예들을 참조하면 명확해질 것이다.BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.
이하, 첨부된 도면을 참조하여 본 발명을 보다 상세히 설명하기로 한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the accompanying drawings.
도 1은 본 발명의 일실시예에 따른 밀폐형 식물공장의 실험 모식도, 도 2는 본 발명의 일실시예에 따른 밀폐형 식물공장 내 광질에 따른 시금치의 생육 사진,도 3은 본 발명의 일실시예에 따른 밀폐형 식물공장 내 광질에 따른 시금치의 엽 형태 사진이다.FIG. 1 is a schematic diagram of an experiment of a closed plant plant according to an embodiment of the present invention, FIG. 2 is a photograph showing the growth of spinach according to the light quality in a closed plant plant according to an embodiment of the present invention, The photographs of the leaves of spinach according to the light quality in a closed plant are shown in Fig.
본 발명은 시금치를 재배하는 밀폐형 식물 공장 시스템(closed-type plant factory system)에서 인공광원인 LED 램프 파장의 빛을 170~190 μmol·m-2·s-1 광도와 14L/10D의 광주기로 광조사(lighting)를 수행하는 것을 포함하는 시금치의 재배방법을 제공한다.In a closed-type plant factory system for spinach cultivation, light of LED lamp wavelength of artificial light is irradiated with light of 170 ~ 190 μmol · m -2 · s -1 light intensity and 14L / 10D light period and performing a lighting of the spinach.
'광조사(lighting)'는 조명 등을 이용하여 인공적으로 빛에 노출시키는 것을 의미한다.&Quot; Lighting " means artificially exposing to light using illumination.
본 발명의 일실시예에 따르면, 암면 펠렛이 담긴 240구 육묘용 플러그 트레이(60cm × 41cm × 5cm)에 파종한다. 파종된 시금치는 발아실(Incubator DS-10L-2, Dasol Scientific Co. Ltd., Korea)에서 21℃의 온도 조건 아래 7일 동안 발아시킨 후 벤로 타입 유리온실의 자연광 하에서 실험에 사용할 시금치 묘를 재배한다. 그리고, 밀폐형 식물공장 내에 시금치 묘를 17cm × 17cm의 재식밀도로 정식(定植)한다. According to one embodiment of the present invention, a 240-mesh seedling plug tray (60 cm x 41 cm x 5 cm) containing the rock surface pellets is sown. Spinach seeds were germinated at 21 ° C for 7 days in Incubator DS-10L-2 (Dasol Scientific Co. Ltd., Korea), and then grown under the natural light of a Veno type glasshouse do. Then, spinach seedlings are planted at a planting density of 17 cm × 17 cm in a closed plant plant.
'정식(定植)'은 온상에서 기른 모종을 일정 기간이 지난 후 재배하고자 하는 곳에 옮겨심는 것을 의미한다.'Formal planting' refers to the planting of seedlings grown in a hot spring after a certain period of time.
본 발명의 일실시예에 따르면, 상기 광조사(lighting)는 170~190 μmol·m-2·s-1 의 광도로 이루어질 수 있으며, 바람직하게는 180 μmol·m-2·s- 1 의 광도로 이루어질 수 있는데, 이러한 광도의 광조사(lighting) 처리는 시금치의 생체중(fresh weight) 증가, 엽장(leaf length) 및 엽폭(leaf width) 증가, 광이용 효율 향상, 세포 표면 조직의 기공 크기 증가 및 기능성 물질 증진에 효과적이다.According to one embodiment of the invention, the illumination (lighting) may be made of the 170 ~ 190 μmol · m -2 · s -1 light intensity and preferably 180 μmol · m -2 · s - the brightness of a 1 The light treatment of such light intensity can be achieved by increasing fresh weight of spinach, increasing leaf length and leaf width, improving light utilization efficiency, increasing pore size of cell surface tissue, It is effective in promoting functional materials.
상기 광도가 170μmol·m-2·s-1 미만일 경우 페놀함량, 플라보노이드 함량 증진 등의 효과가 충분히 발현되지 않을 수 있으며, 190μmol·m-2·s- 1를 초과할 경우에는 생육속도는 높일 수 있으나, 잎끝마름 발생률 및 광조사에 따른 다량의 전기 소모료 발생 등으로 인한 문제점이 발생할 수 있다.The light intensity when 170μmol · m -2 · s -1 is less than, and the effect of such phenolic compounds, flavonoid content increase may not be sufficiently expressed, 190μmol · m -2 · s - if it exceeds 1, the growth rate is to increase However, problems may arise due to the incidence of blossoming of leaves and a large amount of electricity consumption due to irradiation of light.
본 발명의 일실시예에 따르면, 상기 광조사(lighting)는 14L/10D의 광주기로 이루어질 수 있는데, 이러한 광주기로 광조사(lighting) 처리를 하는 것은 시금치의 지상부(top)와 지하부(root)의 생체중(fresh weight) 및 건물중(dry weight) 증가, 엽수(no. of leaves) 증가, 잎의 엽록소 함량(chlorophyll content) 증가 및 광이용 효율 향상에 효과적이다.According to an embodiment of the present invention, the lighting may be performed with a light period of 14L / 10D, and the light processing with such light period is performed by irradiating the top and bottom of the spinach It is effective to increase fresh weight and dry weight, increase number of leaves, increase chlorophyll content of leaves, and improve light utilization efficiency.
광조사 시간은 명기(빛에 노출되는 시간, lighting time)와 암기(빛에 노출되지 않는 시간, dark time)로 표현 가능하며, 예를 들어 14L/10D의 경우 명기(빛에 노출되는 시간) 14시간, 암기(빛에 노출되지 않는 시간) 10시간으로 하루에 1번의 주기를 가지며 반복되는 경우를 의미한다.The light exposure time can be expressed in terms of lighting time and dark time. For example, in the case of 14L / 10D, Time, memorization (time not to be exposed to light) 10 times, with a cycle of 1 times per day means repeated.
본 발명의 일실시예에 따르면, 상기 광조사(lighting)는 LED 램프로 이루어질 수 있으며, 바람직하게는 적색(red), 청색(blue), 백색(white) LED를 혼합한 LED 램프를 사용한다.According to an embodiment of the present invention, the lighting may be an LED lamp, and preferably an LED lamp including red, blue, and white LEDs is used.
혼합한 RBW LED 광원의 광량비는 적색:청색:백색이 8:1:1로 구성된다. LED 램프는 식물체가 흡수 가능한 파장의 빛을 밀폐형 식물 공장 시스템(closed-type plant factory system) 내로 발산하는 기능을 수행한다.The light amount ratio of the mixed RBW LED light source is composed of 8: 1: 1 of red: blue: white. The LED lamps emit light of a wavelength that can be absorbed by the plant into a closed-type plant factory system.
본 발명의 일실시예에 따르면, 상기 시금치의 재배방법은 밀폐형 식물 공장시스템 내부 환경을 온도 20~22℃, 상대습도 60~80%로 조절하여 정식 후 재배 종료일까지 담액식 순환 수경재배방식으로 이루어진다.According to one embodiment of the present invention, the method of cultivating the spinach is performed by a circulation type hydroponic cultivation method until the end of cultivation after regulating the internal environment of the closed plant plant system at a temperature of 20 to 22 ° C and a relative humidity of 60 to 80% .
'담액식 순환 수경재배'는 흙을 사용하지 않고 물과 수용성 영양분으로 만든 배양액속에서 식물을 키우는 담액식 수경재배방법 중 배양액을 재배조 내에서 순환시켜 재배하는 방식을 의미한다.The term 'circulating hydroponic cultivation' refers to a method of circulating a culture medium in a cultivation tank in a hydroponic culture method in which a plant is grown in a culture medium made of water and water-soluble nutrients without using soil.
상기 시금치의 기능성 물질함량 증진을 위한 밀폐형 식물 공장 시스템은 시금치의 성장에 최적 온도 및 습도인 온도 21℃, 상대습도(현재 기온의 포화수증기량에서 현재 공기 중의 수증기량을 백분율로 나타낸 것) 70%로 유지하는 것이 바람직하다.The closed plant plant system for enhancing the functional material content of the spinach is maintained at a temperature of 21 ° C, which is optimal temperature and humidity for growth of spinach, and a relative humidity of 70%, which represents the present amount of water vapor in the air at the saturated steam amount of the current temperature. .
실험재료는 시금치(Spinacia oleracea L. 'Black Horse')를 사용하였으며, 2015년 3월 23일에 암면 펠릿(Grodan 암면)이 담긴 240구 육묘용 플러그트레이(60cm × 41cm × 5cm)에 파종하였다. 21℃의 항온발아실(DS-10L-2, Dasol Scientific, Korea)에서 7일간 발아시킨 후 벤로 타입 유리온실의 자연광 하에서 실험에 사용할 시금치 묘를 재배하였다. 3대의 밀폐형 식물공장 내에 상기 시금치 묘를 17cm × 17cm의 재식밀도로 완전임의배치하여 정식하였다.The experimental materials were Spinacia oleracea L. 'Black Horse') was used and seeded on a plug tray (60 cm × 41 cm × 5 cm) for 240 seedling seedlings containing rocky pellets (Grodan rock surface) on March 23, 2015. (DS-10L-2, Dasol Scientific, Korea) at 21 ° C for 7 days. Spinach seedlings were then cultivated for the experiment under the natural light of a Veno type glasshouse. The spinach seedlings were arranged in a total of 17 cm x 17 cm planting density in three closed plant factories.
시금치 재배를 위한 광질 처리로 형광등(FL, Philips Co. Ltd., the Netherlands), RW LED(red:white=:2:1, KC chemical Co. Ltd., Korea), RBW LED(red:blue:white=8:1:1, KC chemical Co. Ltd., Korea)를 사용하였다.(FL: Philips Co. Ltd., the Netherlands), RW LED (red: white = 2: 1, KC chemical Co. Ltd., Korea) and RBW LED (red: blue: white = 8: 1: 1, KC chemical Co. Ltd., Korea).
<비교예1>≪ Comparative Example 1 &
시금치 재배를 위한 광질 처리로 형광등(FL, Philips Co. Ltd., the Netherlands)을 사용하고, 재배기간 동안 180 μmol·m-2·s-1 광도와 14L/10D의 광주기로 광조사(lighting) 처리하였다. 밀폐형 식물공장의 내부 환경은 온도 20~22℃, 상대습도 60~80%로 조절하여 정식 후 재배 종료일까지 담액식 순환 수경재배방식을 이용하여 코낼대액 시금치 처방의 양액을 조성하여 공급하였다. 공급양액의 pH는 6.5, EC는 2.0dS·m-1로 조절하여 재배하였다.Using fluorescent lamps (FL, Philips Co. Ltd., the Netherlands) as a light treatment for spinach cultivation, light irradiation with 180 μmol · m -2 · s -1 light intensity and 14L / 10D light intensity during the cultivation period, Respectively. The internal environment of the closed plant was controlled by temperature 20 ~ 22 ℃ and relative humidity 60 ~ 80%, and the nutrient solution of cod salted spinach was formulated and supplied to the end of cultivation by using the circulating hydroponic cultivation method. The pH of the nutrient solution was adjusted to 6.5 and the EC was adjusted to 2.0 dS · m -1 .
<비교예2>≪ Comparative Example 2 &
시금치 재배를 위한 광질 처리로 RW LED(red:white=:2:1, KC chemical Co. Ltd., Korea)를 사용하고, 재배기간 동안 180 μmol·m-2·s-1 광도와 14L/10D의 광주기로 광조사(lighting) 처리하였다. 밀폐형 식물공장의 내부 환경은 온도 20~22℃, 상대습도 60~80%로 조절하여 정식 후 재배 종료일까지 담액식 순환 수경재배방식을 이용하여 코낼대액 시금치 처방의 양액을 조성하여 공급하였다. 공급양액의 pH는 6.5, EC는 2.0dS·m-1로 조절하여 재배하였다.Using the RW LED (red: white =: 2: 1, KC chemical Co. Ltd., Korea) as a light treatment for spinach cultivation, 180 μmol · m -2 · s -1 luminous intensity and 14 L / 10D And the light was irradiated with light. The internal environment of the closed plant was controlled by temperature 20 ~ 22 ℃ and relative humidity 60 ~ 80%, and the nutrient solution of cod salted spinach was formulated and supplied to the end of cultivation by using the circulating hydroponic cultivation method. The pH of the nutrient solution was adjusted to 6.5 and the EC was adjusted to 2.0 dS · m -1 .
<실시예><Examples>
시금치 재배를 위한 광질 처리로 RBW LED(red:blue:white=8:1:1, KC chemical Co. Ltd., Korea)를 사용하고, 재배기간 동안 180 μmol·m-2·s-1 광도와 14L/10D의 광주기로 광조사(lighting) 처리하였다. 밀폐형 식물공장의 내부 환경은 온도 20~22℃, 상대습도 60~80%로 조절하여 정식 후 재배 종료일까지 담액식 순환 수경재배방식을 이용하여 코낼대액 시금치 처방의 양액을 조성하여 공급하였다. 공급양액의 pH는 6.5, EC는 2.0dS·m-1로 조절하여 재배하였다.RBW LED (red: blue: white = 8: 1: 1, KC chemical Co. Ltd., Korea) was used for the spinach cultivation and grown at 180 μmol · m -2 · s -1 brightness 14L / 10D light period. The internal environment of the closed plant was controlled by temperature 20 ~ 22 ℃ and relative humidity 60 ~ 80%, and the nutrient solution of cod salted spinach was formulated and supplied to the end of cultivation by using the circulating hydroponic cultivation method. The pH of the nutrient solution was adjusted to 6.5 and the EC was adjusted to 2.0 dS · m -1 .
발명의 일실시예에 따르면, 광질 조절에 따른 시금치의 생육 정도를 비교하기 위하여 광질을 달리한 실험군을 대상으로 초장(plant height), 근장(root length), 생체중(fresh weight), 건물중(dry weight), 엽장(leaf length), 엽폭(leaf width), 엽면적(leaf area), 엽수(no. of leaves), 엽록소 형광값(Fv/Fm)을 측정하고, 분광광도계(Libra S22, Biochrom Co. Ltd., England)를 이용하여 엽록소 함량(chlorophyll content)을 분석하였다.According to one embodiment of the present invention, in order to compare the degree of growth of spinach according to the light quality control, the experimental groups with different light qualities were examined for plant height, root length, fresh weight, dry leaf length, leaf width, no. of leaves, and chlorophyll fluorescence (Fv / Fm) were measured and measured with a spectrophotometer (Libra S22, Biochrom Co.). Ltd., England) was used to analyze the chlorophyll content.
(비교예1)FL
(Comparative Example 1)
(비교예2)RW LED
(Comparative Example 2)
(실시예)RBW LED
(Example)
Light quality
Fresh weight (g)
In buildings (g)
chlorophyll
(비교예1)FL
(Comparative Example 1)
(비교예2)RW LED
(Comparative Example 2)
(실시예)RBW LED
(Example)
표 1과 표 2는 밀폐형 식물공장 내 광질에 따른 시금치의 최종 생육결과를 나타낸 표이다.Table 1 and Table 2 show the final growth results of spinach according to the light quality in the closed plant.
시금치의 초장, 엽장, 엽폭, 엽면적 그리고 지상부 생체중은 RBW LED(실시예) 광원을 처리한 시금치에서 가장 높은 값을 나타냈다. 근장은 FL 광원(비교예1)을 처리한 시금치에서 길었고, 지하부 생체중, 지상부와 지하부의 건물중, 엽록소 형광은 유의적인 차이가 없었다. The plant height, leaf length, leaf width, leaf area, and fresh weight of spinach were highest in spinach treated with RBW LED (Example) light source. The root length was longer in the spinach treated with the FL light source (Comparative Example 1), and there was no significant difference in chlorophyll fluorescence among the underground living body, the ground and the underground building.
엽록소 함량은 엽록소 a의 경우 처리별 광원에 따라 유의적인 차이가 없었고, 엽록소 b는 RW LED(비교예2) 광원을 처리한 시금치에서 가장 많았다. The chlorophyll content of chlorophyll a was not significantly different according to the treatment light source, and the chlorophyll b was the most in the spinach treated with RW LED (Comparative Example 2) light source.
도 2 내지 도 3에 도시된 바와 같이, 밀폐형 식물공장 내 광질 처리에 따른 시금치의 생육 모습으로 초장, 엽장, 엽폭, 엽면적 그리고 지상부 생체중이 가장 높았던 RBW LED(실시예) 광원을 처리한 시금치에서 다른 처리에 비해 가장 생육이 좋았다.As shown in FIG. 2 to FIG. 3, the spinach cultivated by the light quality treatment in the closed plant plant showed the highest growth, leaf area, leaf width, leaf area, and fresh weight of the ground surface. The RBW LED (Example) The growth was the best compared with the treatment.
밀폐형 식물공장에서 재배 기간 동안 시금치의 엽 형태는 광질 처리에 따라 달라지는 것을 확인할 수 있다. FL(비교예1) 광원을 처리한 시금치의 경우 둥근 모양을 유지하였고, RW LED(비교예2), RBW LED(실시예) 광원을 처리한 시금치는 화살표와 같이 뾰족한 형태를 나타냈다. 엽 형태에서도 RBW LED(실시예) 광원을 처리한 시금치에서 다른 처리에 비해 엽장과 엽폭, 엽면적 등 생육이 더 좋은 것을 확인할 수 있다.It can be confirmed that the leaf shape of spinach during the cultivation period in the closed plant varies depending on the photolysis treatment. FL (Comparative Example 1) The spinach treated with the light source maintained a round shape, and the spinach treated with the RW LED (Comparative Example 2) and the RBW LED (Example) showed a pointed shape as shown by an arrow. Leaf shape, leaf width, and leaf area were better in spinach treated with RBW LED (Example) light source than other treatments.
따라서, 밀폐형 식물공장에서 광질에 따른 시금치는 RBW LED 광원을 처리함으로써 식물의 생육이 가장 좋았다.Therefore, the spinach produced by the light quality of the closed plant was best treated with the RBW LED light source.
이와 같이, 상술한 본 발명의 기술적 구성은 본 발명이 속하는 기술분야의 당업자가 본 발명의 그 기술적 사상이나 필수적 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다.As described above, it is to be understood that the technical structure of the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.
그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것이며 한정적인 것이 아닌 것으로서 이해되어야 하고, 본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구범위에 의하여 나타나며, 특허청구범위의 의미 및 범위 그리고 그 등가 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, All changes or modifications that come within the scope of the equivalent concept are to be construed as being included within the scope of the present invention.
Claims (1)
상기 인공광원은,
적색(red), 청색(blue), 백색(white) LED 램프를 혼합하여 구성되며, 적색:청색:백색이 8:1:1의 광량비율로 구성되고,
상기 밀폐형 식물 공장 시스템은,
내부 환경을 온도 21℃, 상대습도 70%로 조절하고,
시금치의 재배는,
시금치를 암면 펠릿 배지가 담긴 플러그 트레이에 파종한 후 밀폐형 식물 공장에서 17cm*17cm의 재식밀도로 정식(定植)하며,
상기 시금치는 정식 후 재배 종료까지 담액식 순환수경재배방식을 사용하며 공급양액의 pH는 6.5, EC는 2.0dS/m 이고,
상기 시금치는 ( Spinacia oleracea L.) 'Black Horse' 품종을 사용하고, 암면 펠릿(Grodan 암면)이 담긴 240구 육묘용 플러그트레이(60cm ×41cm ×5cm)에 파종하여, 21℃의 항온발아실에서 7일간 발아시킨 후 정식하는 것을 특징으로 하 는 밀폐형 식물공장 시스템에서 광질을 이용한 시금치의 재배방법.
In a closed-type plant factory system, light of artificial light source wavelength is illuminated with 180μmol · -2 · -1 light intensity and 14L / 10D light period,
The artificial light source includes:
Red, blue, and white LED lamps, and red: blue: white is configured with a light amount ratio of 8: 1: 1,
In the closed plant plant system,
The internal environment was adjusted to a temperature of 21 DEG C and a relative humidity of 70%
The cultivation of spinach,
Spinach was sown on the plug tray containing the pelletized pellet culture medium and planted at a plant density of 17cm * 17cm at the closed plant,
The spinach was used in a salting-type circulation hydroponic cultivation system after the completion of the planting and the end of cultivation. The pH of the nutrient solution was 6.5 and the EC was 2.0 dS / m,
The spinach was sown on a plug tray (60 cm × 41 cm × 5 cm) for 240 seedling seedlings containing "Black Horse" varieties of Spinacia oleracea L. and seeded with rocky pellets (Grodan rocky surface) A method of cultivating spinach using a light quality in a closed plant plant system characterized by germination for 7 days and then formalization .
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