CN102172150B - Method for culturing wood seedlings by applying culture box - Google Patents
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- CN102172150B CN102172150B CN2011100393420A CN201110039342A CN102172150B CN 102172150 B CN102172150 B CN 102172150B CN 2011100393420 A CN2011100393420 A CN 2011100393420A CN 201110039342 A CN201110039342 A CN 201110039342A CN 102172150 B CN102172150 B CN 102172150B
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Abstract
The invention relates to a method for culturing wood seedlings by applying a culture box and belongs to a culture method of plant seedlings. The method comprises the following steps of: preparing a culture box by using expandable polystyrene with the density of 15kg/m<3>; inserting cutting bases into a nutrition bag filled by a filling machine; controlling the temperature to be below 38 DEG C andthe humidity to be over 90 percent; moistening and cooling by using a negative-ion humidifier and moving windows; and culturing for 25 to 40 days to obtain greenhouse seedlings. By the method, the rooting ratio of the seedling reaches 94.0 percent, the seedling survival rate reaches 89.2 percent, and maturely-grow secondary lateral roots are generated. Compared with the original patent named three-dimensional seedling culture method of nursery stock and product thereof, the culture box is lighter and is easy to operate, the working efficiency is improved due to the application of mechanical equipment, and low investment and high utilization ratio of facilities are realized. Compared with the traditional plane seedling culture, the seedling quantity per unit area is improved by 5 times, the cutting survival rate is improved by over 35 percent, and water is saved by over 80 percent.
Description
One, technical field
The present invention relates to adopt seedling growing box to cultivate the method for wooden seedling, belong to the cultivation kind seedling-growing method of plant, be exclusively used in breeding of nursery stock.
Two, background technology
The mulberry sapling mating system is divided into sexual propagation and vegetative propagation two big classes.Vegetative propagation can keep and continue parent's merit.Vegetative propagation mainly contains modes such as grafting, cuttage (hard branch and spray), press strip.Wherein use grafting (bag connects) breeding mulberry sapling to occupy absolute leading status in China at present; Cuttage mulberry sapling survival rate is low, seldom uses in the production; Press strip is mainly used in filling a vacancy of mulberry field self.The sketch map of 3 kinds of main propagation methods is following:
Grafting:---nursery of growing directly from seeds (7 months)---grafting (1 month)---nursery (9 months) are lasted 2 years in sowing.
Cuttage: cuttage---seedbed of taking root (1 month)---nursery (9 months) lasts 1 year, and survival rate is big because of kind difference difference.
Epicormic branch cuttage: cuttage---seedbed of taking root (25～30 days)---nursery (3～5 months) can be bred 3～4 times in 1 year, and survival rate difference is little between kind.
Concentrate on 5 ~ 6 counties of Jiangsu and Zhejiang Provinces two provinces the main product of current China mulberry sapling, more than normal time production grafting mulberry sapling 1,000,000,000 strains, the planting and the renewal in other regional mulberry fields, the supply whole nation.Long and rich experience owing to these several main product seedling county's planting mulberry and breeding silkworm; And the soil is fertile, and is with heavy rainfall, is fit to the growth of mulberry sapling, and survival rate is about 85%.But it produces the seedling cycle long (2 years), and complex procedures requires height to technology and natural environmental condition, is that other areas are difficult to imitate.The cuttage production cycle is 1 year, and survival rate generally is lower than 30%; The epicormic branch cuttage cycle is 6 months, survival rate about 30%～40%, the neat and well spaced no scar of the outward appearance of seedling, the phase seedbed needs constantly spraying but it is taken root; To keep green the accent that do not wither, just can take root, because long-time trickle; The matrix nutrient is prone to run off, and makes root development poor, causes transplanting survival rate low.Therefore, every mu of basic facilities (special use) investment big---every mu 6～80,000 yuan, water consumption is big---is 2 t water per hour, and facility utilization rate is low---and in only 3 ~ 4 months every year, cost is high, so be not widely used in producing.
Through above analysis, these 3 kinds of propagation methods cut both ways, and usage range is little, and vast silkworm district is difficult to accomplish plant certainly from numerous, and the mulberry races of suitable local plantation is difficult to accomplish autonomous selection and promotes, let alone the mulberry field improved variety.Thereby cause the mulberry sapling cost high, survival rate is low, and kind is unsuitable, influences the mulberry field output and quality.Therefore, seedling-cultivating method will improve and innovate.Particularly Ministry of Agriculture's requirement in " about agricultural restructuring subregion instruction " in the production of the west area of ecology fragility development silkworm and mulberry, realizes " eastern silkworm moves westwards " that silkworm and mulberry are produced.Although west area silkworm and mulberry production history is long; In recent years in development of the West Regions strategy layout; Have some provinces and regions (like Shaanxi, Gansu, Ningxia, Yunnan) will develop silkworm and mulberry production and grab, but effect is not ideal as the key project of industry restructuring.Because this area's weather arid, unfavorable ecotopes such as precipitation is few, evaporation discharge is big, vegetation is rare, severe water and soil erosion; Be difficult to grow seedlings with traditional grafting seedlings-growing method; So the mulberry sapling overwhelming majority of planting is called in by river, Zhejiang; Cause like this that the mulberry sapling kind is incompatible, survival rate is low, and cost is high; Be mulberry field output matter, low amount poor, strive one of principal element a little less than the power unexpectedly, seriously restricting this area's silkworm and mulberry production development.(ZL200710132106) in the cuttage operating process, because of the mulch film bag is thin, soft, cuttage is taken a lot of work in the patent of invention " three-dimensional seedling raising method of a kind of nursery stock and products thereof " of declaring in 2007 for we; The cutting hole position is prone to be subjected to displacement; Cause the nursery stock skewness on it, transplanting is got Miao Shiyao and is torn mulch film bag in the frame, gets the seedling difficulty; And cause easily insert the fringe leaf abscission, root is injured; Influence problems such as transplanting survival rate, can not reach the work batch production of growing seedlings, standardization requirement, unsuitable China most of areas is breeding mulberry seedling independently.
Three, summary of the invention
Technical problem
The object of the present invention is to provide a kind of method that adopts seedling growing box to cultivate wooden seedling, with survival rate and the planting percent of guaranteeing cultivating seedlings, reduce seedling cost, make grow seedlings work batch production, standardization, suitable China most of areas is breeding mulberry seedling independently.
Technical scheme
Three-dimensional seedling raising facility and the method thereof of a kind of nursery stock is characterized in that:
1) plastic tunnel is prepared: ground impales the pond of dark 15～20 cm in plastic tunnel, irritates the water layer of dark 5～10 cm, airtight booth, at the booth top whenever at a distance from movable horizontal drawing skylight that 8～10m opens a 100cm * 80cm;
2) seedling growing box is made: use density 15kg/m
3Expandable polystyrene is processed, each seedling growing box by 1 case at the bottom of (1), 1 case lid (2) and 6～8 square frames (3) constitute, (1) and case lid (2) they are length * wide * height=34 cm * 34 cm * 3 cm at the bottom of the seedling growing box case; The rectangular plate of seedling growing box square frame (3) is length * wide * height=34 cm * 3 cm * 5.5 cm; The billet plate of seedling growing box square frame (3) is length * wide * height=28 cm * 3 cm * 5.5 cm; Surround an internal diameter 28cm with two rectangular plates and two billet plates, external diameter 34cm, the square frame of high 5.5cm, and fix with adhesive glue; 4 sulculuses of top, four limits cutting of square frame (3);
3) nutritious bag preparation: process high 5.5cm with the nutritious bag liquid filling machine, the column nutritious bag of diameter 3.5cm, its nutrient matrix is: the water-loss reducer KD-1 high hydroscopic resin that adds mass ratio 0.1% in the turfy soil is mixed thoroughly; Nutritious bag after making dilutes 1 000 times solution with 50% carbendazim and soaks into subsequent use;
4) fringe is inserted in cuttage: with (1) tiling at the bottom of the seedling growing box case, place a square frame (3) in the above, will insert the fringe base portion and insert in the nutritious bag; Insert fringe and frame perpendicular and put into sulculus, nutritious bag is in square frame (3), and blade is outside square frame; 16 slotting fringes of a square frame cuttage, then that remaining space in the square frame is particle-filled with diameter 1～3cm foamed plastic, continue to put the 2nd square frame (3); Put into slotting fringe successively,, case lid (2) is covered until pile the 7th square frame;
5) frame of growing seedlings is made: be welded into the shelf of 3m * 1.4m * 1.4m with angle iron, and 3-tier architecture, the high 20cm of pin, every interlamellar spacing 60cm, every layer of parallel placement 2 row, every row is placed 4 seedling growing box, puts into plastic tunnel and grows seedlings;
6) cooling moisture-retaining is grown seedlings: temperature of shed is controlled at below 38 ℃, and humidity when temperature is higher than 38 ℃, is opened trapdoor more than 90%, opens booth base portion air inlet and opens the anion humidifier, and lowering the temperature, it is wet to mend; Opened seedling growing box case lid (2) in per 8～10 days, drench the carbendazim solution of 1 500 times of 1 dilutions, seedling raise period 25 ~ 40 days obtains to nurse young plants in hothouses.
Beneficial effect
(ZL200710132106) compare with patent of invention " three-dimensional seedling raising method of a kind of nursery stock and products thereof ", the present invention has following advantage and good effect:
1) the present invention has opened trapdoor on big ceiling, and in booth, has used the anion humidifier, is more conducive to lower the temperature in the booth and evenly mend wet.
2) improve labour productive forces: the present invention has used matrix agitator and nutritious bag Semi-automatic machine for feeding bottles, makes the cuttage nutritious bag, has improved the cuttage efficiency greatly, helps inserting taking root of fringe more.Owing to used facilities such as agitator, liquid filling machine, seedling growing box, make original day cuttage 300～350 strains per capita, bring up to 700～800 strains, the work work efficiency improves more than 1 times.
3) seedling growing box of the present invention is to process with polystyrene; Compare with the frame of growing seedlings that previous reinforcing bar is processed; Easy and simple to handle, sterilization easily, quality is lighter; Cost is lower, overcome the shortcoming of reinforcing bar easy corrosion under hot and humid environment, and makes evenly fixing that cuttage seeding distributes around seedling growing box, helps taking root of nursery stock and grows more balanced.
4) the present invention reduces seedling cost, makes grow seedlings work batch production, standardization, and suitable China most of areas is breeding mulberry seedling independently.Compare with existing plane seedling growing process, the unit are number of growing seedlings improves that 5 times, cuttage planting percent improve 35% or more, economize on water more than 80%, investment is low, facility utilization rate is high.
Four, description of drawings
Fig. 1 seedling growing box structure chart
Among the figure, at the bottom of the 1-case, 2-case lid, the 3-square frame of growing seedlings
Fig. 2 frame assumption diagram of growing seedlings
Fig. 3 nursery effect figure
Fig. 4 rooting efficiency figure
Five, embodiment
(1) processing method 1
1 plastic tunnel is prepared.Utilize or newly-built common plastic tunnel (height 3.0 m, width 5.0 m, length 20 m); Ground in the booth impales the pond of dark 15 cm with plastic film, irritates the dark water of 10 cm, can make that relative moisture remains on more than 90% in the canopy after airtight; Epicormic branch cuttage carried out in 6～September; Because fine canopy temperature at noon is high; So 50 cm places above apart from ceiling; The need cover width is slightly larger than the sunshade net of booth, light transmittance 50%, and every at a distance from the movable horizontal drawing skylight that 8～10m opens a 100cm * 80cm at big ceiling, and the booth base portion will have corresponding air admission hole.
2 framves of growing seedlings are made: be welded into the shelf of 3m * 1.4m * 1.4m, 3-tier architecture with angle iron.The high 20cm of pin.Every interlamellar spacing 60cm, every layer of parallel placement 2 row, every row is placed 4 seedling growing box, puts into plastic tunnel and grows seedlings;
3 three-dimensional seedling raising casees are made: with expandable polystyrene (density 15kg/m
3) cut into 3 kinds of specifications of different sizes: (case lid) length * wide * height=34 cm * 34 cm * 3 cm at the bottom of the seedling growing box case; The rectangular length of seedling growing box square frame * wide * height=34 cm * 3 cm * 5.5 cm, seedling growing box square frame billet length * wide * height=28 cm * 3 cm * 5.5 cm.4 sulculuses of cutting on rectangular and the billet surround an internal diameter 28cm with two rectangular and two billets, external diameter 34cm, and the square frame of high 5.5cm, and fix with adhesive glue.Each seedling growing box by 1 case at the bottom of, 1 case lid and 6～8 square frames constitute.It is several more that above size and structure are grown seedlings the seedling growing box unit volume, is convenient to the cuttage operation, and the growth of taking root that helps inserting fringe again.
4 insert ear selection selects.Insert fringe and use good mulberry tree breed, fertile training management should be strengthened in the mulberry field, and few picking leaves or not picking leaves are bred silkworms, and no damage by disease and insect is to guarantee to insert the fringe quality.
The netted nutritious bag of 5 lightweights.The nutritious bag matrix formulations is the water-loss reducer (KD-1 high hydroscopic resin) of adding 0.1% in the turfy soil, after the use agitator is mixed thoroughly, joins liquid filling machine, processes high 5.5cm, the column nutritious bag of diameter 3.5cm.Soak into subsequent use with the solution of 1 000 times of 50% carbendazim the above-mentioned nutritious bag of processing.Nutritious bag Semi-automatic machine for feeding bottles: model: H111 simple type; Beautiful Ya De company is liked by Denmark.Matrix agitator: model: 350 type vertical mixers; Port owned by the government, Kunming prosperity machinery plant.
5 cuttage steps
(1) cuts slotting fringe: utilize the living then spray that grows in spring, summer; With in the semi-lignified, the bottom do to insert fringe; It is long that slotting fringe is cut into 12～15 cm, the top clip should be above the mulberry bud 0.5～0.7 cm, the lower end otch is whittled into the long horse ear shape of 0.8～1 cm; Clip requires smooth, and the terminal bud of each slotting fringe all must have the blade of 1 1/2～1/3 leaf area.
(2) insert the fringe base portion and cut a mouthful processing: with indolebutyric acid 500 mg/L (50% alcoholic solution) dipping 5～10 s.
(3) insert fringe: with 1 tiling at the bottom of the seedling growing box case, place a square frame 3 in the above, insert in the nutritious bag with the liquid filling machine can with inserting the fringe base portion; Insert fringe and frame perpendicular and put into sulculus, nutritious bag is in square frame 3, and blade is outside square frame; But 16 slotting fringes of a square frame cuttage are particle-filled with diameter 1～3cm foamed plastic with remaining space in the square frame then, continue to put the 2nd square frame; Put into slotting fringe successively,, case lid 2 is covered until pile the 7th square frame.
(4) go into canopy: after cuttage is accomplished, put into canopy and grow seedlings on the frame every layer of parallel 2 row, 4 seedling growing box of every row, totally 3 layers.Every layer of seedling growing box consistency from top to bottom, 3 layers form the post of growing seedlings.
(5) cooling moisture-retaining: become to live for helping cuttage rooting, temperature of shed should be controlled at below 38 ℃, and humidity is controlled at more than 90%.When fine canopy temperature is higher than 38 ℃, will draw back trapdoor, open booth base portion air inlet and carry out aeration-coolingly, open the anion humidifier simultaneously and preserve moisture, it is wilting to prevent to insert fringe.Opened the case lid of growing seedlings in per 8～10 days, drench 1 time 1 500 times of carbendazim solutions,, need to increase the trickle number of times and make the matrix cooling, be beneficial to the development growth of root if run into the weather continuous high temperature.Anion humidifier: model: DW-1 type, Chaoyang, Huzhou, Zhejiang Province electric equipment Co., Ltd.
(6) refining seedling and transplanting: cuttage is after 20 days, and most of root has grown nutritious bag and reached more than the 2cm, and the moisture that will control matrix in the seedling growing box this moment carries out the air root relief, and will raise booth two night, progressively carries out the transition to the round-the-clock sunshade net of raising and draw in later on.The 25th～30 day, select at dusk or the cloudy day transplants to the nursery, water behind the sufficient normal root water suitably the lid grass and shelter from heat or light and preserve moisture, noted keeping the skin wet the maintenance ground moistening in later 7 days.
(7) management in nursery: will often keep ground moistening after the transplanting, progressively remove straw mulch, in time weed with a hoe, prevent that bed surface from hardening.The management of fostering and apply fertilizer simultaneously, fertilising will be on a small quantity repeatedly, by light to dense; Also available 0.5% urea liquid carries out top dressing, promotes the healthy and strong growth of nursery stock.
When (two) processing method 2 needs cooling, in booth both ends open place, directly lower the temperature to mend with the wet machine of centrifugal benefit and wet, other measure is with handling 1.
(3) processing method 3 uses the basket of growing seedlings in the patent of invention " three-dimensional seedling raising method of a kind of nursery stock and products thereof " to carry out cuttage and stack, and other measure is with handling 1.
(4) processing method 4 nutritious bag matrix are water-loss reducer KD-1 high hydroscopic resin that adds mass ratio 10%～15% pure fine earth, mass ratio 0.2%～0.5% in the burnt chaff, mix the can nutritious bag thoroughly, and other measure is with handling 1.
More than the result of 4 kinds of processing methods see table 1.
Draw through table 1 data analysis, it is best to handle 1 effect.The root of hair rate reaches 94.0%, and planting percent reaches 89.2%, and the growth of root is comparatively ripe.Be better than and handle 3 (former patent of invention " three-dimensional seedling raising method of a kind of nursery stock and products thereof ", the root of hair rate reaches 90.2%, planting percent reaches 77.5%).It is the poorest to handle 4 effects, and when reason was this processing transplanting, matrix dropped easily in the bag, caused young root exposed, and frangible reduces transplanting survival rate.It is more ripe than the root development of handling 4 to handle 1 root, and reason is that turfy soil is compared with Jiao Kang and contained rich nutrient substances; And this matrix is inappropriate for the can of nutritious bag liquid filling machine, and operating efficiency is reduced.Handle 2 owing to use the centrifugal benefit machine that wet at the booth two ends, because droplet is bigger, drift distance is short, causes to mend wet inhomogeneously, makes part insert the fringe dehydration and dries up.Use the anion humidifier and handle 1, droplet is thin, and fogging degree is high, and even diffused makes the interior benefit of canopy wet effective.Handle in the 3 cuttage operating process, because of the mulch film bag is thin, soft, cuttage is taken a lot of work; The cutting hole position is prone to be subjected to displacement, and causes the nursery stock skewness on it, and transplanting is got Miao Shiyao and torn mulch film bag in the frame; Get the seedling difficulty, and cause easily insert the fringe leaf abscission, root is injured, influences transplanting survival rate.
Handle 1 and compare with 3 (former patent of invention " the three-dimensional seedling raising methods of a kind of nursery stock and products thereof ") of processing, the whole seedling growing box weight after cuttage is good by former 10kg about, be reduced to about 6kg, reduced labour intensity, be convenient to operate and carry.
Since used agitator, liquid filling machine, facilities such as novel simple seedling growing box use the anion humidifier, and droplet is thin, and fogging degree is high, and even diffused makes the interior benefit of canopy wet effective.The nutritious bag matrix formulations is the water-loss reducer (KD-1 high hydroscopic resin) of adding 0.1% in the turfy soil, after the use agitator is mixed thoroughly, joins liquid filling machine, processes high 5.5cm, the column nutritious bag of diameter 3.5cm.Make original day cuttage 300～350 strains per capita, bring up to 700～800 strains, the work work efficiency improves more than 1 times.Whole seedling growing box weight after cuttage is good by former 10kg about, be reduced to about 6kg, reduced labour intensity, be convenient to the operation and the carrying, invest low, facility utilization rate is high.The root of hair rate reaches 94.0%.Planting percent reaches 89.2%.Effect is better than handles 3 former patents of invention " three-dimensional seedling raising method of a kind of nursery stock and products thereof ", and the root of hair rate reaches 90.2%, and planting percent reaches 77.5%.
Grow seedlings with existing traditional plane and to compare, the unit are number of growing seedlings improves 5 times, cuttage planting percent and improves 35% or more, economizes on water more than 80%.
Annotate: each handles 10 frames, every frame cuttage 112 strains 1);
2) root of hair rate=root of hair strain number/cuttage number * 100%;
3) planting percent=transplant survival strain number/cuttage number * 100%;
4) every strain root of hair number is the mean of 30 young plants randomly drawed.
Claims (1)
1. the method that adopts seedling growing box to cultivate wooden seedling is characterized in that:
1) plastic tunnel is prepared: ground impales the pond of dark 15～20cm in plastic tunnel, irritates the water layer of dark 5～10cm, airtight booth, at the booth top whenever at a distance from movable horizontal drawing skylight that 8～10m opens a 100cm * 80cm; The booth base portion is established air inlet, and the anion humidifier is established in booth inside;
2) seedling growing box is made: use density 15kg/m
3Expandable polystyrene is processed, each seedling growing box by 1 case at the bottom of (1), 1 case lid (2) and 6～8 square frames (3) constitute, (1) and case lid (2) they are length * wide * height=34cm * 34cm * 3cm at the bottom of the seedling growing box case; The rectangular plate of seedling growing box square frame (3) is length * wide * height=34cm * 3cm * 5.5cm; The billet plate of seedling growing box square frame (3) is length * wide * height=28cm * 3cm * 5.5cm; Surround an internal diameter 28cm with two rectangular plates and two billet plates, external diameter 34cm, the square frame of high 5.5cm, and fix with adhesive glue; 4 sulculuses of top, four limits cutting of square frame (3);
3) nutritious bag preparation: process high 5.5cm with the nutritious bag liquid filling machine, the column nutritious bag of diameter 3.5cm, its nutrient matrix is: the water-loss reducer KD-1 high hydroscopic resin that adds mass ratio 0.1% in the turfy soil is mixed thoroughly; Nutritious bag after making soaks into subsequent use with the solution of 1000 times of 50% carbendazim;
4) fringe is inserted in cuttage: with (1) tiling at the bottom of the seedling growing box case, place a square frame (3) in the above, will insert the fringe base portion and insert in the nutritious bag; Insert fringe and frame perpendicular and put into sulculus, nutritious bag is in square frame (3), and blade is outside square frame; 16 slotting fringes of a square frame cuttage, then that remaining space in the square frame is particle-filled with diameter 1～3cm foamed plastic, continue to put the 2nd square frame (3); Put into slotting fringe successively,, case lid (2) is covered until pile the 6th～8 square frame;
5) frame of growing seedlings is made: be welded into the shelf of 3m * 1.4m * 1.4m with angle iron, and 3-tier architecture, the high 20cm of pin, every interlamellar spacing 60cm, every layer of parallel placement 2 row, every row is placed 4 seedling growing box, puts into plastic tunnel and grows seedlings;
6) cooling moisture-retaining is grown seedlings: temperature of shed is controlled at below 38 ℃, and humidity when temperature is higher than 38 ℃, is opened movable horizontal drawing skylight more than 90%, opens canopy base portion air inlet and opens the anion humidifier, and lowering the temperature, it is wet to mend; Opened seedling growing box case lid (2) in per 8～10 days, drench 50% carbendazim solution of 1500 times of 1 dilutions, seedling raise period 25～40 days obtains to nurse young plants in hothouses.
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| CN103240837B (en) * | 2013-05-16 | 2015-09-09 | 遵义市宝海农用物资研发有限公司 | Seedlings nursing plate produced by a kind of combination foamed plastic |
| CN104620958B (en) * | 2015-01-23 | 2017-04-19 | 池州市同德堂生物科技有限公司 | Suspension type stereoscopic seedling cultivating method |
| CN104641997B (en) * | 2015-02-05 | 2017-06-23 | 江苏科技大学 | The hollow nursery box of one kind heating and its application |
| CN104641998B (en) * | 2015-02-05 | 2017-06-23 | 江苏科技大学 | The hollow nutritional bag case of one kind heating and its application |
| CN104663301B (en) * | 2015-02-05 | 2017-06-23 | 江苏科技大学 | A kind of heat froth particle nursery box and its application |
| CN106688559B (en) * | 2016-12-09 | 2020-03-13 | 恩施徕福硒业有限公司 | Seedling growing method for pennisetum hydridum |
| CN106688377B (en) * | 2016-12-09 | 2020-03-13 | 恩施徕福硒业有限公司 | Seed soaking and seedling raising system equipment for pennisetum hydridum |
| TWI708548B (en) * | 2019-11-13 | 2020-11-01 | 謝瑞裕 | Three-dimensional cultivation basket and cultivation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201585298U (en) * | 2010-02-05 | 2010-09-22 | 王琳琳 | Small-sized seedling raising box for laboratory |
| CN201690848U (en) * | 2010-05-07 | 2011-01-05 | 袁长宝 | Nursery box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201585298U (en) * | 2010-02-05 | 2010-09-22 | 王琳琳 | Small-sized seedling raising box for laboratory |
| CN201690848U (en) * | 2010-05-07 | 2011-01-05 | 袁长宝 | Nursery box |
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