CN114931075A - Rice pond seedling raising method - Google Patents
Rice pond seedling raising method Download PDFInfo
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- CN114931075A CN114931075A CN202210656745.8A CN202210656745A CN114931075A CN 114931075 A CN114931075 A CN 114931075A CN 202210656745 A CN202210656745 A CN 202210656745A CN 114931075 A CN114931075 A CN 114931075A
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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
- A01G22/22—Rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/08—Immunising seed
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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
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0293—Seed or shoot receptacles
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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
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0295—Units comprising two or more connected receptacles
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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
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0297—Grids for supporting several receptacles
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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
- A01G9/1407—Greenhouses of flexible synthetic material
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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
- A01G9/1423—Greenhouse bench structures
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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
- A01G9/246—Air-conditioning systems
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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
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
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- Cultivation Of Plants (AREA)
Abstract
The invention relates to the technical field of seedling raising, in particular to a rice pond seedling raising method, which comprises the steps of arranging a seedling raising pond, ventilating and injecting water, meeting the requirement of seedling growth on moisture through injecting water, and reducing water loss by matching with a film, wherein part of moisture is absorbed by soil after watering compared with the prior art, so that the water injection frequency is reduced, the times of watering operation and greenhouse film opening and closing operation can be reduced compared with the multiple-time opening of a greenhouse film, ventilating and closing in the prior art, the labor force is saved, and the seedling quality equivalent to that of conventional seedling raising can be obtained. By disinfecting seeds and carrying out the disinfection according to the conventional method, the seedling raising method is used, and no medicament is applied to prevent and control the diseases in the seedling stage after the water is injected into the pond for raising the seedlings, so that the pollution of pesticide to the environment is reduced, the investment of medicament application and disease prevention cost is reduced, the cost is saved, the investment of disease prevention labor force is reduced, and the environment is protected.
Description
Technical Field
The invention relates to the technical field of seedling raising, in particular to a rice pond seedling raising method.
Background
The rice dry seedling raising technology is characterized in that a water layer is not established, watering is mainly carried out, watering is not carried out in a shortage state, and watering is carried out thoroughly. The temperature and humidity in the shed are controlled by ventilation. The seedlings are not watered before the 1-leaf 1-heart period, if the seedlings lack water, the water is replenished, and multiple watering is needed during the seedling growing period. The seedling 1 leaf 1 heart period needs to be sprayed with the agent for preventing damping off so as to prevent the damping off. In the period from 1 leaf to 1 heart, if water is deficient, the rice seedlings need to be thoroughly watered once, and the rice seedlings need to be sprayed with the damping-off preventing agent for the second time in the period from 1 leaf to 2 heart to prevent the damping-off. After 2 leaves and 1 heart stage, water management is strengthened to prevent drought; in the period from 2 leaves 1 heart to 3 leaves 1 heart, bacterial wilt is likely to occur in the early stage if the management is not proper.
Above, the dry-raised rice seedling technology in the prior art has the following problems:
1. the seedling field period of the rice drought seedling is easy to have damping-off and bacterial wilt, so that the medicament is used for preventing the disease at least twice, and if the disease is once generated, the frequency of the medicament application is increased. The cost is increased by using the medicament for preventing and treating diseases, and the used pesticide also causes environmental pollution and increases labor input.
2. The rice seedlings raised by dry land are easy to be dry particularly after the 2-leaf period, the labor input is increased along with the increase of the watering times, and nutrient substances required for seedling raising in a seedling tray can be lost.
3. The operation times of the ventilation switch shed are frequent, and time and labor are wasted.
The production of paddy fields needs a seedling raising technology which can obtain the same seedling quality as that of dry seedling raising, can save labor in watering and ventilation operation links, has an inhibiting effect on seedling damping-off and can greatly reduce seedling stage diseases such as bacterial wilt, damping-off and the like to solve the problems.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a rice pond seedling raising method, which does not need to use a medicament for preventing and treating diseases, reduces the watering times and the times of opening and closing a ventilation shed and solves the defects in the technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a rice pond seedling raising method comprises the following steps:
s1, selecting a seedling growing place
Selecting a greenhouse with flat ground;
s2, arranging a seedling raising pond
A seedling raising pool with the depth of 10cm is built on the ground in the greenhouse, a seedling raising pool frame which divides the seedling raising pool into a plurality of areas is arranged in the seedling raising pool, a film which limits root extension is laid in the seedling raising pool, a drainage structure is arranged inside the seedling raising pool frame, and a drainage ditch is arranged outside the seedling raising pool frame;
s3, sowing
A plurality of seedling raising trays which are 5cm away from the seedling raising pool frame are placed on the upper surface of the film, seedling raising soil with the depth of 2cm is paved above the seedling raising trays, the seedling raising soil is prepared by mixing seedling strengthening agents, the seedling raising soil is watered thoroughly after being paved, the surface of the seedling raising tray cannot contain clear water, seeds which are conventionally disinfected are sown on the seedling raising soil in the seedling raising pool, 0.5-0.8cm thick broken soil without pesticide residues is covered above the sown seeds, and a heat preservation film for heat preservation is paved above the covering soil;
s4, ventilation and air exchange
When 80% of seeds germinate and emerge, removing the heat-insulating film, opening ventilation openings on the side surface and two ends of the greenhouse for full ventilation, and controlling the temperature in the greenhouse;
s5, injecting water
Injecting water into the seedling raising pond when the seedlings reach 1 leaf 1 heart stage, wherein the height of the injected water between the 1 leaf 1 heart stage and the 2 leaf stage is that the water level is 1cm higher than the soil covering, and the height of the water level of the injected water is half of the height of the seedlings after the 2 leaf stage;
s6, draining to carry seedlings
And 3-4 days before transplanting rice seedlings, opening the drainage structure, draining the water in the seedling culture pond into the drainage ditch, and discharging the water, wherein the seedlings are carried to a required place during transplanting rice seedlings.
Preferably, when the place of growing seedlings can't guarantee the whole even smooth condition, use the pond frame of growing seedlings to set up the place of growing seedlings segmentation, the bed flatness standard of growing seedlings: the length of the pond reaches 10 meters, the height difference of the bed surface is less than 0.3cm, and the height difference of the water depth is less than 1.7 cm.
Preferably, the film comprises but not limited to a mulching film and a firm and tough plastic film, and the water can be injected without loss.
Preferably, the seedling raising soil comprises dry field soil, local field soil and organic soil.
Preferably, the heat preservation film comprises non-woven fabrics or mulching films.
Preferably, when the external temperature is lower than 10 ℃, the step S4 does not perform the operation.
Preferably, the nursery pond frame comprises, but is not limited to, wood board, red brick or cement board.
In the technical scheme, the invention has the following technical effects and advantages:
1. the seedling raising method is utilized to set the seedling raising pool, the ventilation and water injection steps, only one part needs to be injected with water to fulfill the aim of watering all seedlings, and the matched film is absorbed by soil compared with the watering rear part in the prior art, so that the loss of water can be reduced, the water injection frequency is reduced, the times of watering operation and shed film opening and closing operation can be reduced compared with the multiple times of shed film ventilation and closing in the prior art, the labor force is saved, and the seedling quality equivalent to that of the conventional seedling raising can be obtained;
2. by sterilizing the seeds and conventionally using the seedling raising method, the medicament is not needed to be applied to prevent and control the diseases in the seedling stage after water is injected into the pond for raising the seedlings, so that the pollution of the pesticide to the environment is reduced, the investment of the medicament for preventing and controlling the diseases is reduced, the cost is saved, the investment of disease prevention labor force is reduced, and the environment is protected.
3. Compared with dry seedling raising, the seedling raising technology has the advantages that the seedling is easier to be tilled during seedling transplanting, the planting injury rate is reduced, the green turning of the seedlings is accelerated, the green turning time is shortened, and the seedling can enter the effective tillering stage more quickly.
Drawings
For a clearer explanation of the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure;
in order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The invention provides a method for raising rice seedlings in a rice pool as shown in figure 1, which comprises the following steps;
s1, selecting a seedling growing place
Selecting a greenhouse with flat ground;
s2, arranging a seedling raising pond
A seedling raising pond with the depth of 10cm is erected on the ground in the greenhouse, a seedling raising pond frame which divides the seedling raising pond into a plurality of areas is arranged in the seedling raising pond, a thin film which limits root extension is laid in the seedling raising pond, a drainage structure is arranged inside the seedling raising pond frame, and a drainage ditch is arranged outside the seedling raising pond frame;
s3, sowing
A plurality of seedling raising trays which are 5cm away from the seedling raising pool frame are placed on the upper surface of the film, seedling raising soil with the depth of 2cm is paved above the seedling raising trays, the seedling raising soil is prepared by mixing seedling strengthening agents, the seedling raising trays are watered after the seedling raising soil is paved, the seedling raising soil is watered thoroughly, clear water cannot exist on the upper surface of the seedling raising soil, seeds which are disinfected conventionally are sown on the seedling raising soil in the seedling raising pool, 0.5-0.8cm thick broken soil without pesticide residues is covered above the sown seeds, and a heat preservation film for heat preservation is paved above the covering soil;
s4, ventilation and air exchange
When 80% of seeds germinate and emerge, removing the heat-insulating film, opening ventilation openings on the side surface and two ends of the greenhouse for full ventilation, and controlling the temperature in the greenhouse;
s5, injecting water
Injecting water into the seedling culture pond when the seedlings reach the 1-leaf 1-heart stage, wherein the height of the injected water between the 1-leaf 1-heart stage and the 2-leaf stage is 1cm higher than that of the soil cover, and the height of the water surface of the injected water is one half of the height of the seedlings after the 2-leaf stage;
s6, draining to carry seedlings
3-4 days before transplanting rice seedlings, opening the drainage structure, draining water in the seedling culture pond into a drainage ditch for drainage, and carrying the rice seedlings to a required place during transplanting rice seedlings;
the method comprises the following steps of building a seedling raising pool in an existing flat greenhouse, wherein the seedling raising pool is used for ensuring that the water depths of all places are kept consistent when water is injected, preventing seedlings in one part from being in a shallow water state and preventing the seedlings in the other part from being in a deep water state, so that the sizes of the seedlings are inconsistent, and meanwhile, only one place needs to be continuously injected with water, so that the water depth of the whole seedling raising pool can be changed without watering on each seedling raising seedling tray;
the film is laid on the seedling raising pool and matched with the seedling raising tray above the seedling raising pool for shading, and the film is used for preventing and removing weeds below the film in the seedling raising pool;
compared with the problems that drought is easy to occur after the 2-leaf period and the watering frequency is increased in the rice dry seedling raising technology, the seedling raising technology only needs to fill water between the 1-leaf 1-heart period and the 2-leaf period, the height of the water is 1cm higher than that of covering soil, after the 2-leaf period, the height of the water filled with water is half of the height of a seedling plant, and the water is regularly poured to keep the water level within a certain range above and below a preset height, so that the watering frequency is reduced, and the labor force for watering is saved by 50% -60%;
the seedling raising method does not need to use pesticides to prevent and control diseases in the seedling bed, reduces the pollution of the pesticides to the environment and the investment of drug application and disease prevention cost, saves the cost, reduces the investment of disease prevention labor force, and protects the environment.
In the above technical solution, further, when the seedling raising place cannot guarantee the condition of being uniform and flat as a whole, the seedling raising place is set by the seedling raising pool frame in sections, the length of the seedling raising pool is 10 meters, the height difference of the bed surface is less than 0.3cm, and the height difference of the water depth is less than 1.7 cm.
In the above technical solution, specifically, the film includes but is not limited to a mulching film and a firm and tough plastic film, and the film includes but is not limited to a mulching film and a firm and tough plastic film, so that the mulching film after long-term use can be used, and the expenditure is reduced.
In the above technical solution, in detail, the seedling raising soil includes dry field soil, local field soil and organic soil, and the seedling raising soil with good soil quality is helpful for cultivating strong seedlings.
In the above technical solution, preferably, the heat preservation film includes a non-woven fabric or a mulching film, and the covering soil is heat-preserved and moisturized through the non-woven fabric or the mulching film.
In the above technical solution, when the external temperature is lower than 10 ℃, the operation of step S4 is not performed.
In the above technical solution, in detail, the nursery pond frame includes, but is not limited to, a wood block, a wood board, a red brick, or a cement board.
The implementation mode is specifically as follows: the method comprises the steps that a worker selects a greenhouse, the ground in the greenhouse is leveled, a seedling raising pool with the depth of 10cm is built, when the whole greenhouse cannot be guaranteed to be even and level, the height difference of a bed surface is guaranteed to be less than 0.3cm at least, then a seedling raising pool frame is formed by wood, wood boards, red bricks and cement boards in the seedling raising pool to divide the seedling raising pool into a plurality of areas, drainage ditches for later-stage drainage are dug outside the seedling raising pool frame, a drainage structure is arranged on the seedling raising pool frame, then a layer of thin film is laid in the seedling raising pool, a seedling raising tray is placed on the thin film, the distance between the seedling raising tray and the seedling raising pool frame is 5cm, seedling raising soil with the thickness of 2cm is laid on the seedling raising tray, watering is carried out to thoroughly pour the seedling raising soil, the surface of the seedling raising tray cannot have clear water, then after conventional disinfected seeds are sowed, seeds are covered with covering soil with the thickness of 0.5-0.8cm, and finally covering the covering soil with a heat preservation film to wait for seed emergence. When 80% of seeds germinate and emerge, the heat-insulating film is removed, water is injected into the seedling raising pool when the seedlings reach 1 leaf and 1 heart stage, the height of the injected water is only one point for submerging the upper surface of the covering soil, for example, 1cm, after 2 leaf stage, the height of the water surface of the injected water is half of the height of the seedling plant, finally, when the seedlings need to be carried, the drainage structure is opened to discharge the water out of the seedling raising pool, and then the seedlings can be carried manually.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. A rice pond seedling raising method is characterized by comprising the following steps:
s1, selecting a seedling growing place
Selecting a greenhouse with flat ground;
s2, arranging a seedling raising pond
A seedling raising pool with the depth of 10cm is built on the ground in the greenhouse, a seedling raising pool frame which divides the seedling raising pool into a plurality of areas is arranged in the seedling raising pool, a film which limits the loss of matrix (soil and water, fertilizer nutrients, bactericide and the like) and the root extension is laid in the seedling raising pool, a water injection structure is arranged in the seedling raising pool frame, and a drainage ditch is arranged outside the seedling raising pool frame;
s3, sowing
A plurality of seedling raising trays which are 5cm away from the seedling raising pool frame are placed on the upper surface of the film, 2 cm-deep seedling raising soil is laid on the seedling raising trays, the seedling raising soil and a seedling strengthening agent are mixed and prepared, the seedling raising trays are watered after the seedling raising soil is laid, the seedling raising trays are watered thoroughly, clear water cannot exist on the surfaces of the seedling raising trays, seeds which are conventionally disinfected are sown on the seedling raising soil in the seedling raising pool, 0.5-0.8cm thick broken soil without pesticide residues is covered on the seedling raising soil after sowing, and a heat preservation film for heat preservation is laid above the covering soil;
s4, ventilation and air exchange
When 80% of seeds germinate and emerge, removing the heat-insulating film, opening ventilation openings on the side surface and two ends of the greenhouse for full ventilation, and controlling the temperature in the greenhouse;
s5, injecting water
Injecting water into the seedling culture pond when the seedlings reach the 1-leaf 1-heart stage, wherein the height of the injected water between the 1-leaf 1-heart stage and the 2-leaf stage is 1cm higher than that of the soil cover, and the height of the water surface of the injected water is one half of the height of the seedlings after the 2-leaf stage;
s6, draining to carry seedlings
And 3-4 days before transplanting rice seedlings, opening the drainage structure, draining water in the seedling culture pond into the drainage ditch for drainage, and carrying the rice seedlings to a required place during transplanting rice seedlings.
2. The rice pond seedling raising method according to claim 1, characterized in that: the flatness standard of the seedling bed surface is as follows: a nursery pond with the length of 10 meters, the height difference of the bed surface less than 0.3cm, and the height difference of the water depth less than 1.7 cm; the flatness of the whole greenhouse can not meet the standards, and the whole greenhouse can be divided and arranged by the seedling raising frame.
3. The rice pond seedling raising method according to claim 1, characterized in that: the film comprises but not limited to a mulching film and a firm plastic film with good toughness, and the water can be injected without loss.
4. The rice pond seedling raising method according to claim 1, characterized in that: the seedling raising soil comprises dry field soil, local field soil and organic soil.
5. The rice pond seedling raising method according to claim 1, characterized in that: the heat preservation film comprises non-woven fabrics or mulching films.
6. The rice pond seedling raising method according to claim 1, characterized in that: when the outside temperature is lower than 10 ℃, step S4 does not perform the operation.
7. The rice pond seedling raising method according to claim 1, characterized in that: the nursery pond frame comprises but is not limited to wood, red brick or cement board.
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| CN202210656745.8A CN114931075A (en) | 2022-06-11 | 2022-06-11 | Rice pond seedling raising method |
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