CN113940244A - Method for detecting nitrogen efficiency of corn - Google Patents
Method for detecting nitrogen efficiency of corn Download PDFInfo
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- CN113940244A CN113940244A CN202111255054.9A CN202111255054A CN113940244A CN 113940244 A CN113940244 A CN 113940244A CN 202111255054 A CN202111255054 A CN 202111255054A CN 113940244 A CN113940244 A CN 113940244A
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
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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
- A01G9/14—Greenhouses
- A01G9/16—Dismountable or portable greenhouses ; Greenhouses with sliding roofs
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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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
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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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
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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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/249—Lighting means
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention discloses a method for detecting nitrogen efficiency of corn, which relates to the technical field of corn detection and comprises the following steps: s1: arranging four planting areas in a closed experimental place; s2: measuring the contents of total nitrogen, quick-acting phosphorus and quick-acting potassium in soil before sowing; s3: sowing corn in the planting area; s4: during the growth period of the corn, the same sunshine duration, watering and weeding are carried out on the four planting areas; this method of detecting maize nitrogen efficiency sets up the planting area in sealing the laboratory space, the planting area sets up to four, set up two contrast groups, be provided with low nitrogen level planting area and normal nitrogen level planting area in every a set of contrast group, nitrogen fertilizer is not applyed in low nitrogen level planting area, nitrogen fertilizer is applyed in normal nitrogen level planting area, make the damage that can not receive the plant diseases and insect pests in the growth cycle of maize, influence the detection of nitrogen efficiency, reduce the influence of other factors to maize output, make the nitrogen efficiency that detects the maize more accurate.
Description
Technical Field
The invention relates to the technical field of corn detection, in particular to a method for detecting corn nitrogen efficiency.
Background
Corn is an annual herbaceous plant of the family poaceae. Compared with traditional grain crops such as rice, wheat and the like, the corn has strong drought tolerance, cold tolerance, barren tolerance and excellent environmental adaptability. The corn has higher nutritive value and is an excellent grain crop. As a high-yield grain crop in china, corn is an important feed source in animal husbandry, aquaculture, and the like, and is one of indispensable raw materials for food, medical care, light industry, chemical industry, and the like. The research on the mineralized nitrogen in the crop growth season is carried out on the corn under the condition of reducing the input of the nitrogen fertilizer, the high-efficiency absorption utilization rate of the nitrogen in the soil is improved, and the research is of great importance for the prevention and treatment of fertilizer pollution. In the nitrogen efficiency research of grain crop, the detection of nitrogen efficiency is crucial, but the current nitrogen efficiency of maize that detects receives external factor's influence easily for maize output changes, thereby makes the nitrogen efficiency that detects the maize inaccurate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for detecting the nitrogen efficiency of corn, and solves the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for detecting nitrogen efficiency in corn comprising the steps of:
s1: arranging four planting areas in a closed experimental place;
s2: measuring the contents of total nitrogen, quick-acting phosphorus and quick-acting potassium in soil before sowing;
s3: sowing corn in the planting area;
s4: during the growth period of the corn, the same sunshine duration, watering and weeding are carried out on the four planting areas;
s5: recording the yield of the corn variety to be detected, which is obtained by planting in four planting areas;
s6: and calculating the nitrogen efficiency of the corn according to the detected data.
Optionally, in the S1, planting areas are set in the closed experimental site, the planting areas are set to be four, two planting areas are a group, and four planting areas are set to be two groups of control groups.
Optionally, the S1 sets two control groups generated in the step of setting the planting area in the closed experimental site, each control group is provided with a low-nitrogen level planting area and a normal-nitrogen level planting area, and a nitrogen fertilizer is applied to the normal-nitrogen level planting area.
Optionally, the low nitrogen yield and the like of the corn variety to be detected planted in the low nitrogen planting area are low nitrogen condition indexes.
Optionally, the normal nitrogen condition yield and the like of the corn variety to be detected planted in the normal nitrogen horizontal planting area are normal nitrogen condition indexes.
Optionally, the nitrogen efficiency index includes nitrogen efficiency low nitrogen stress intensity, low nitrogen tolerance coefficient, nitrogen sensitivity coefficient, relative nitrogen efficiency index, and relative low nitrogen tolerance index.
The device for detecting the nitrogen efficiency of the corn comprises an experimental room, wherein experimental cavities are formed in the experimental room, four laboratories are arranged in the experimental cavity, the laboratory cavities are formed in the laboratories, planting dishes are arranged at the bottoms of the laboratory cavities, water tanks are arranged at the bottoms of the laboratory cavities and on one sides of the laboratories, water pumps are arranged at the tops of the water tanks, one ends of the water pumps extend into the laboratory cavities and are provided with spray pipes, fans are arranged at the tops of the experimental rooms and above the laboratories, one ends of the fans extend into the laboratories, vent pipes are arranged at the tops of the experimental rooms and on one sides of the laboratories, one ends of the vent pipes extend into the laboratory cavities, illumination simulation lamps are arranged at the tops of the laboratory cavities, and adjustment cavities are formed in the experimental rooms and below the laboratories, the inside top that just is located the adjustment chamber in experiment room all is provided with the liquid pump, the sap cavity has all been seted up in the inside of laboratory and the outside that is located the chamber, the one end of liquid pump all extends to the sap cavity inside, the other end of liquid pump all extends to the adjustment intracavity portion, the adjustment intracavity portion all is provided with the electric heat pole, the below that just is located the sap cavity in laboratory all is provided with the calandria, the one end of calandria all extends to the adjustment intracavity portion.
The invention provides a method for detecting nitrogen efficiency of corn, which has the following beneficial effects:
this method of detecting maize nitrogen efficiency sets up the planting region in sealing the laboratory space, the planting region sets up to four, thereby set up two contrast groups, be provided with low nitrogen level planting region and normal nitrogen level planting region in every contrast group, nitrogen fertilizer is not applyed in low nitrogen level planting region, nitrogen fertilizer is applyed in normal nitrogen level planting region, make the damage that can not receive the plant diseases and insect pests in the growth cycle of maize, influence the detection of nitrogen efficiency, reduce the influence of other factors to maize output, make the nitrogen efficiency that detects the maize more accurate.
Drawings
FIG. 1 is a diagram illustrating the steps of the present invention;
FIG. 2 is a schematic view of the apparatus of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
fig. 4 is an enlarged view of fig. 2 at B.
In the figure: 1. an experimental room; 2. a laboratory cavity; 3. a laboratory; 4. a chamber cavity; 5. planting dishes; 6. adjusting the cavity; 7. an electric heating rod; 8. a liquid pump; 9. a liquid chamber; 10. arranging pipes; 11. a water tank; 12. a nozzle; 13. an illumination simulation lamp; 14. a fan; 15. a breather pipe; 16. and (4) a water pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1 to 4, the present invention provides a technical solution: a method for detecting nitrogen efficiency in corn comprising the steps of:
s1: arranging four planting areas in a closed experimental place;
s2: measuring the contents of total nitrogen, quick-acting phosphorus and quick-acting potassium in soil before sowing;
s3: sowing corn in the planting area;
s4: during the growth period of the corn, the same sunshine duration, watering and weeding are carried out on the four planting areas;
s5: recording the yield of the corn variety to be detected, which is obtained by planting in four planting areas;
s6: and calculating the nitrogen efficiency of the corn according to the detected data.
The skilled in the art can consider that, in the method for detecting nitrogen efficiency of corn provided in this embodiment, a planting area is first set in a closed experimental site, the planting area is set to four, so as to set two control groups, each control group is provided with a low-nitrogen level planting area and a normal-nitrogen level planting area, no nitrogen fertilizer is applied to the low-nitrogen level planting area, a nitrogen fertilizer is applied to the normal-nitrogen level planting area, then the contents of total nitrogen, available phosphorus and available potassium in soil are determined by a detection device, then the corn is sowed in the four planting areas, during the growth process of the corn, because of being in the closed experimental site, the corn is not damaged by plant diseases and insect pests in the growth cycle, simultaneously the temperature, the watering amount, the weeding and the illumination of each planting area can be controlled to be consistent, the influence of other factors on the yield of the corn is reduced, during harvesting, firstly, calculating all fruit ears harvested in a normal nitrogen horizontal planting area, threshing and weighing the fruit ears after air drying, namely obtaining the grain yield, dividing the grain yield by the number of harvested plants, calculating the average yield of a single plant, representing the yield of a corn variety by the average yield of the single plant, and calculating the nitrogen efficiency low nitrogen stress intensity, the low nitrogen resistance coefficient, the nitrogen sensitivity coefficient, the relative nitrogen efficiency index and the relative low nitrogen resistance index according to the numerical values, thereby obtaining the nitrogen efficiency of the corn sample.
Further, S1 sets planting areas in a closed experimental place, the planting areas are set to be four, two planting areas are a group, and four planting areas are set to be two groups of control groups.
One skilled in the art can consider that by setting two control groups, the nitrogen efficiency of the corn samples in the two control groups is calculated, and comparison is carried out, so that the detection accuracy is improved.
Further, S1 sets two groups of control groups generated in the step of setting planting areas in a closed experimental place, wherein each group of control group is provided with a low-nitrogen level planting area and a normal-nitrogen level planting area, and nitrogen fertilizer is applied to the normal-nitrogen level planting areas.
One skilled in the art would recognize that low nitrogen level planted area corn samples as well as normal nitrogen level planted area corn samples could be obtained.
Further, the low-nitrogen yield and the like of the corn variety to be detected planted in the low-nitrogen planting area are low-nitrogen condition indexes.
One skilled in the art will recognize that the corn nitrogen efficiency calculations are performed by low nitrogen condition indicators.
Further, the normal nitrogen condition yield and the like of the corn variety to be detected planted in the normal nitrogen horizontal planting area are normal nitrogen condition indexes.
One skilled in the art will recognize that the corn nitrogen efficiency calculations are performed by normal nitrogen condition indicators.
Further, the nitrogen efficiency index includes nitrogen efficiency low nitrogen stress intensity, low nitrogen tolerance coefficient, nitrogen sensitivity coefficient, relative nitrogen efficiency index, and relative low nitrogen tolerance index.
The person skilled in the art can consider the nitrogen efficiency index obtained by calculating the nitrogen efficiency low nitrogen stress intensity, the low nitrogen tolerance coefficient, the nitrogen sensitivity coefficient, the relative nitrogen efficiency index and the relative low nitrogen tolerance index.
Example two
Referring to fig. 1 to 4, the present invention provides a technical solution: detect maize nitrogen efficiency device, including experiment room 1, its characterized in that: laboratory chamber 2 is provided in laboratory room 1, four laboratories 3 are provided in laboratory chamber 2, laboratory chamber 4 is provided in laboratory chamber 3, planting dish 5 is provided at the bottom of the inner chamber of laboratory chamber 4, water tank 11 is provided at the bottom of the inner chamber of laboratory chamber 2 and at one side of laboratory chamber 3, water pump 16 is provided at the top of water tank 11, one end of water pump 16 extends into laboratory chamber 4 and is provided with spray pipe 12, blower 14 is provided at the top of laboratory room 1 and above laboratory chamber 3, one end of blower 14 extends into laboratory chamber 3, vent pipe 15 is provided at the top of laboratory room 1 and at one side of laboratory chamber 3, one end of vent pipe 15 extends into laboratory chamber 4, illumination simulation lamp 13 is provided at the top of inner chamber of laboratory chamber 4, adjustment chamber 6 is provided inside laboratory room 1 and below laboratory chamber 3, liquid pump 8 is provided inside laboratory room 1 and above adjustment chamber 6, liquid chamber 9 has all been seted up in laboratory 3's the inside and the outside that is located chamber 4, and inside liquid pump 8's one end all extended to liquid chamber 9, and inside liquid pump 8's the other end all extended to adjustment chamber 6, and adjustment chamber 6 is inside all to be provided with electric hot rod 7, and laboratory 3 is inside and the below that is located liquid chamber 9 all is provided with calandria 10, and the one end of calandria 10 all extends to adjustment chamber 6 insidely.
The skilled person can consider that, in the apparatus for detecting nitrogen efficiency of corn provided in this embodiment, each of the planting dishes 5 is divided into two control groups, in each control group, one planting dish 5 is set as a low nitrogen level planting region, the other planting dish 5 is set as a normal nitrogen level planting region, no nitrogen fertilizer is applied to the low nitrogen level planting region, nitrogen fertilizer is applied to the normal nitrogen level planting region, then the contents of total nitrogen, available phosphorus and available potassium in the soil inside the planting dish 5 are determined by the detection equipment, and then seeding is performed, during the growth process of corn, because of being in the chamber 4, the corn cannot be damaged by plant diseases and insect pests in the growth cycle, the heat-conducting liquid inside the adjustment chamber 6 is heated by the electric heating rod 7, then the heat-conducting liquid inside the adjustment chamber 6 is sucked by one end of the liquid pump 8, then the heat-conducting liquid is discharged into the liquid chamber 9 by the other end of the liquid pump 8, heating the inner cavity of the chamber cavity 4, adjusting the temperature of the inner cavity of the chamber cavity 4, sucking water in the water tank 11 by the water pump 16, discharging the water into the spray pipe 12 for spraying, watering the corn, controlling the illumination time of the corn by controlling the time of opening the illumination simulation lamp 13, sucking outside air by the fan 14, discharging the air into the chamber cavity 4, discharging the air in the inner cavity of the chamber cavity 4 through the vent pipe 15 for ventilation, controlling the temperature, the watering amount, weeding and illumination of each planting area to be consistent, reducing the influence of other factors on the yield of the corn, calculating all clusters harvested in a normal nitrogen level planting area, threshing and weighing the clusters after air drying to obtain the yield of seeds, dividing the yield of the seeds by the number of harvested plants, calculating the average yield of a single plant, and representing the yield of the corn variety by the average yield of the single plant, and calculating the nitrogen efficiency low nitrogen stress intensity, the low nitrogen tolerance coefficient, the nitrogen sensitivity coefficient, the relative nitrogen efficiency index and the relative low nitrogen tolerance index according to the numerical values, thereby obtaining the nitrogen efficiency of the corn sample.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The method for detecting the nitrogen efficiency of the corn is characterized by comprising the following steps: the method comprises the following steps:
s1: arranging four planting areas in a closed experimental place;
s2: measuring the contents of total nitrogen, quick-acting phosphorus and quick-acting potassium in soil before sowing;
s3: sowing corn in the planting area;
s4: during the growth period of the corn, the same sunshine duration, watering and weeding are carried out on the four planting areas;
s5: recording the yield of the corn variety to be detected, which is obtained by planting in four planting areas;
s6: and calculating the nitrogen efficiency of the corn according to the detected data.
2. The method for detecting nitrogen efficiency in corn of claim 1, wherein: s1 planting areas are arranged in a closed experimental place, the number of the planting areas is four, two planting areas form a group, and the four planting areas are arranged into two groups of control groups.
3. The method for detecting nitrogen efficiency in corn of claim 1, wherein: and S1 two groups of control groups generated in the step of setting the planting area in the closed experimental place, wherein each group of control group is provided with a low-nitrogen horizontal planting area and a normal-nitrogen horizontal planting area, and nitrogen fertilizer is applied to the normal-nitrogen horizontal planting area.
4. The method for detecting nitrogen efficiency in corn of claim 1, wherein: the low-nitrogen yield and the like of the corn variety to be detected planted in the low-nitrogen planting area are low-nitrogen condition indexes.
5. The method for detecting nitrogen efficiency in corn of claim 1, wherein: and the normal nitrogen condition yield and the like of the corn variety to be detected planted in the normal nitrogen horizontal planting area are normal nitrogen condition indexes.
6. The method for detecting nitrogen efficiency in corn of claim 1, wherein: the nitrogen efficiency index comprises nitrogen efficiency low nitrogen stress intensity, low nitrogen tolerance coefficient, nitrogen sensitivity coefficient, relative nitrogen efficiency index and relative low nitrogen tolerance index.
7. Detect maize nitrogen efficiency device, including experiment room (1), its characterized in that: the laboratory is characterized in that a laboratory cavity (2) is formed in the laboratory room (1), four laboratories (3) are arranged in the laboratory cavity (2), a laboratory cavity (4) is formed in each laboratory (3), a planting dish (5) is arranged at the bottom of the inner cavity of each laboratory cavity (4), a water tank (11) is arranged at the bottom of the inner cavity of each laboratory cavity (2) and on one side of the laboratory (3), a water pump (16) is arranged at the top of each water tank (11), one end of each water pump (16) extends into each laboratory cavity (4) and is provided with a spray pipe (12), a fan (14) is arranged at the top of the laboratory room (1) and above the laboratory (3), one end of each fan (14) extends into the laboratory (3), a vent pipe (15) is arranged at the top of the laboratory room (1) and on one side of the laboratory (3), one end of each vent pipe (15) extends into the chamber cavity (4), the top of the inner cavity of the chamber cavity (4) is provided with an illumination simulation lamp (13), an adjusting cavity (6) is arranged in the laboratory (1) and below the laboratory (3), a liquid pump (8) is arranged in the test room (1) and above the adjusting cavity (6), liquid cavities (9) are arranged in the laboratory (3) and on the outer side of the chamber cavity (4), one end of the liquid pump (8) extends into the liquid cavity (9), the other end of the liquid pump (8) extends into the adjusting cavity (6), adjust chamber (6) inside all to be provided with electric hot rod (7), laboratory (3) inside and the below that is located liquid chamber (9) all is provided with calandria (10), the one end of calandria (10) all extends to adjust inside chamber (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111255054.9A CN113940244A (en) | 2021-10-27 | 2021-10-27 | Method for detecting nitrogen efficiency of corn |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111255054.9A CN113940244A (en) | 2021-10-27 | 2021-10-27 | Method for detecting nitrogen efficiency of corn |
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| CN113940244A true CN113940244A (en) | 2022-01-18 |
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| CN202111255054.9A Pending CN113940244A (en) | 2021-10-27 | 2021-10-27 | Method for detecting nitrogen efficiency of corn |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203087076U (en) * | 2013-01-23 | 2013-07-31 | 昆明理工大学 | Device for culturing plant roots in partition mode |
| CN106875284A (en) * | 2017-02-15 | 2017-06-20 | 河南省农业科学院粮食作物研究所 | The method for detecting Nitrogen Efficiency in Maize |
| CN206411098U (en) * | 2017-02-09 | 2017-08-15 | 周志军 | Juglans mandshurica seedling cultivates contrast experiment's device under a kind of different illumination conditions |
| CN108112330A (en) * | 2017-11-16 | 2018-06-05 | 兰溪市顺光园艺技术有限公司 | The convenient effective long flowerpot of adaptability of fertilizing management |
| CN209089533U (en) * | 2018-11-22 | 2019-07-12 | 时永刚 | A kind of agronomic trials device for raising seedlings |
| CN209964717U (en) * | 2019-01-29 | 2020-01-21 | 高国忠 | Indoor plant cultivation unattended intelligent flowerpot |
| CN211047982U (en) * | 2019-12-03 | 2020-07-21 | 长沙环境保护职业技术学院 | Make things convenient for difference in temperature growth contrast experiment to use plant incubator |
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2021
- 2021-10-27 CN CN202111255054.9A patent/CN113940244A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203087076U (en) * | 2013-01-23 | 2013-07-31 | 昆明理工大学 | Device for culturing plant roots in partition mode |
| CN206411098U (en) * | 2017-02-09 | 2017-08-15 | 周志军 | Juglans mandshurica seedling cultivates contrast experiment's device under a kind of different illumination conditions |
| CN106875284A (en) * | 2017-02-15 | 2017-06-20 | 河南省农业科学院粮食作物研究所 | The method for detecting Nitrogen Efficiency in Maize |
| CN108112330A (en) * | 2017-11-16 | 2018-06-05 | 兰溪市顺光园艺技术有限公司 | The convenient effective long flowerpot of adaptability of fertilizing management |
| CN209089533U (en) * | 2018-11-22 | 2019-07-12 | 时永刚 | A kind of agronomic trials device for raising seedlings |
| CN209964717U (en) * | 2019-01-29 | 2020-01-21 | 高国忠 | Indoor plant cultivation unattended intelligent flowerpot |
| CN211047982U (en) * | 2019-12-03 | 2020-07-21 | 长沙环境保护职业技术学院 | Make things convenient for difference in temperature growth contrast experiment to use plant incubator |
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