CN108476824B

CN108476824B - Ground ornamental bamboo seedling raising facility and seedling raising method

Info

Publication number: CN108476824B
Application number: CN201810219164.1A
Authority: CN
Inventors: 陈丽洁; 童龙; 李彬; 耿养会; 张磊
Original assignee: CHONGQING ACADEMY OF FORESTRY
Current assignee: CHONGQING ACADEMY OF FORESTRY
Priority date: 2018-03-16
Filing date: 2018-03-16
Publication date: 2020-06-02
Anticipated expiration: 2038-03-16
Also published as: CN108476824A

Abstract

The invention discloses a facility and a method for growing seedlings of ground ornamental bamboos, and the facility comprises a seedling growing bed and a separating sieve arranged on the seedling growing bed, wherein the bottom of the seedling growing bed is a water storage tank, two opposite side walls of the water storage tank are symmetrically provided with overflow ports, a surrounding wall with an opening on one surface is integrally formed on the water storage tank, the inner sides of the surrounding walls on two sides of the overflow ports are symmetrically provided with guide sliding chutes, the surrounding wall above the guide sliding chutes is uniformly provided with a first air hole communicated with the inner side and the outer side of the surrounding wall, the separating sieve is composed of a bottom plate and a separating plate which are matched with the guide. The invention can prevent the occurrence of root rot and the coiling of the main roots in the seedling culture process of the ground ornamental bamboos, is convenient for seedling lifting, does not cause the damage of the root systems, does not need to manually trim the root systems, reduces the workload of seedling lifting, has high survival rate after transplantation, can be repeatedly used, and is beneficial to improving the utilization rate of resources.

Description

Ground ornamental bamboo seedling raising facility and seedling raising method

Technical Field

The invention relates to the technical field of bamboo cultivation, in particular to a facility and a method for growing seedlings of ground cover ornamental bamboos.

Background

Along with the development of urban construction, the living standard of people is improved, and the greening environment of working and living is increasingly emphasized. The bamboo has tall and straight shape, beautiful appearance and long cultural history, and the species diversity and ecological diversity of the bamboo provide wide materials for greening and landscaping, are also excellent ornamental plants for modern urban greening, and are deeply favored by people. The bamboos are classified into three types of sympodial axis cluster growth, single axis scattering growth and compound axis mixing growth according to underground stems, and suitable bamboo species can be provided for different climates and different altitude areas; the greening base is classified according to the ground shape, can be divided into big-diameter bamboos, medium-diameter bamboos, small-diameter bamboos, ground cover ornamental bamboos and the like, can meet the layering requirement of greening forestation in modern cities, and can replace big trees, small trees, shrubs and ground cover plants to be greened.

The diameter of the ground ornamental bamboo is below 0.5cm, and the height is below 1 m. Common ground ornamental bamboos include, for example, ground bamboo, phyllostachys nigra, green bamboo, phyllostachys bambusa, goose moso bamboo, and Shibataea kumasasa. The ground cover ornamental bamboo has the characteristics of short and small individual, luxuriant branches and leaves, flexible bamboo stems, quick growth and propagation, less plant diseases and insect pests and the like, has yellow-white color besides green color, can be used as a color block and ground cover plant landscape, and can be widely applied to corner leeway of buildings, flower beds, roof gardens and bonsais. However, in the process of cultivating the ground ornamental bamboos, the roots of the ground ornamental bamboos are easy to be caught by the conventional seedling cultivating device for the ground ornamental bamboos, seedling raising is inconvenient, the roots of the ground ornamental bamboos are easy to be damaged in the seedling raising process, and the transplanting survival rate of the ground ornamental bamboos is influenced.

Disclosure of Invention

In view of the above, the present invention aims to provide a facility and a method for growing seedlings of ground cover ornamental bamboos, which can make the roots of the ground cover ornamental bamboos robust and grow vigorously, greatly shorten the seedling growing period, facilitate seedling lifting, avoid damage to the roots, and increase the transplanting survival rate.

The invention solves the technical problems by the following technical means:

the utility model provides a ground is vwatched bamboo facility of growing seedlings, including educating the seedling bed and installing the partition sieve on educating the seedling bed, educate the bottom of seedling bed and be the catch basin, the catch basin wherein the symmetry is provided with the overflow mouth on two relative lateral walls, integrated into one piece has an open-ended leg on the catch basin, the inboard symmetry of leg of overflow mouth both sides is provided with the direction spout, evenly be provided with the gas pocket one of intercommunication leg inside and outside on the leg above the direction spout, the partition sieve comprises bottom plate identical with the direction spout and division board, the partition sieve passes through the bottom plate and installs on the seedling bed with the cooperation detachably of direction spout, be equipped with the infiltration hole on the bottom plate, the division board is hollow bilayer structure, it is provided with the arch to stagger on two medial surfaces of bilayer structure, be equipped with gas pocket two on the arch, the width of division board is slightly.

Furthermore, the bottom plate is also provided with an insertion hole, a water suction pipe which can extend into the water storage tank is inserted into the insertion hole, one end of the water suction pipe is provided with an outward-folded edge, the other end of the water suction pipe is of a gradually-changed structure with gradually-changed size, and a cotton water suction core wire is arranged in the water suction pipe.

Furthermore, the first air hole is a gradually-changing hole with the aperture from the inner side of the surrounding wall to the outer side from large to small, and the second air hole is a gradually-changing hole with the aperture from the outer side of the partition plate to the inner side from large to small.

Further, the length of the seedling bed is the width of an integral number of separating sieves, and the depth of each separating sieve is 13-15 cm.

Further, be provided with the locking subassembly on the lateral surface of direction spout place leg opening one end, the locking subassembly comprises the rotation connecting piece that J type locking round pin and cover were located on the J type locking round pin, and J type locking round pin is clearance fit with the rotation connecting piece, and the end of buckling of J type locking round pin is towards leg open-ended one end, rotates connecting piece fixed connection on the leg.

Furthermore, the aperture of the water seepage hole is 0.5-0.8 cm, the hole distance is 3-8 cm, and the hole distance of the air hole I and the air hole II is 4-6 cm.

In addition, the invention also provides a seedling raising method of ground quilt ornamental bamboos, which comprises the following steps:

1) treating bamboo rhizome: digging bamboo rhizomes which grow vigorously and are free of diseases and insect pests for 2-4 years every 2-3 months, cutting the bamboo rhizomes into rhizomes with the length of 5-8 cm, keeping 2-3 nodal buds and 4-6 cm of root filaments in each rhizomes, and then putting the rhizomes into a foam box filled with ice cakes and wet towels for later use;

2) preparation of seedbed: firstly, adding tap water into a water storage tank, wherein the water depth is 2/3-3/4 of the depth of the water storage tank, then installing a separation sieve on a seedling bed along a guide sliding groove, rotating a J-shaped locking pin to enable the plane where the separation sieve is located to be parallel to an overflow port, locking the separation sieve on the seedling bed, then inserting a water suction pipe into an insertion hole at the bottom of the separation sieve, and then paving a layer of water suction cotton at the bottom of the separation sieve;

3) planting bamboo rhizomes: firstly, paving a layer of culture medium with the thickness of 3-5 cm on absorbent cotton, then placing standby whips on the culture medium according to the row spacing of 5-8 cm, then covering a layer of culture medium on the whips to reach 1/2 of the depth of the separation sieve, compacting, and then continuously filling the culture medium to reach 80% -90% of the depth of the separation sieve;

4) managing the seedbed: after planting, thoroughly watering the culture medium with water, covering a plastic cover with the thickness of 0.02-0.05 mm on a seedling bed, spraying water for 5 times at a speed of 12: 00-15: 00 every day in the first week after planting, and spraying a mixed aqueous solution of monopotassium phosphate, urea and thiophanate methyl every 3d, wherein the mass ratio of the monopotassium phosphate, the urea, the thiophanate methyl and the water is 5:3:5: 1200;

5) and (3) outplanting the bamboo seedlings: the seedlings can be taken out of the nursery after 14-18 months of seedlings, when the seedlings are taken out of the nursery, the J-shaped locking pin is firstly rotated to enable the plane of the J-shaped locking pin to be perpendicular to the overflow port, then the separating sieve is sequentially pulled out of the seedling bed, and the soil stump is taken down

Further, the whip cut in the step 1) is soaked in 0.03-0.05% of rooting powder water solution for 5-10 min, then is coated with paraffin for cutting, and then is placed in a foam box filled with ice blocks and wet towels.

Further, the culture medium in the step 3) is humus or one of 30% sawdust and 70% laterite.

The invention has the beneficial effects that: the seedling raising device and the seedling raising method of the ground ornamental bamboos can prevent root rot and coiling of main roots of the ground ornamental bamboos in the seedling raising process, the air holes on the partition plates and the enclosure walls can enlarge the surface area of the side walls and realize air trimming of the side roots, when the root system of the bamboo seedling is exposed to the air, the root tip stops growing, and countless times of new roots germinate at the rear part of the root tip and continue growing outwards and downwards, thereby greatly increasing the number of short and thick lateral roots, the side roots are short and thick, wound packing cannot be formed, the separating screen is only required to be sequentially pulled out of the seedling bed when the seedlings are out of the nursery, the soil roots are taken down, the seedlings are convenient to lift, the root systems cannot be damaged, manual trimming of the root systems is not required, the seedling lifting workload is reduced, the survival rate after transplanting is high, the seedling raising device can be repeatedly used, and the utilization rate of resources is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the structure of a seedling bed according to the present invention;

FIG. 3 is a schematic view of the construction of the separating screen of the present invention;

FIG. 4 is a partial view of the separating screen of the present invention;

FIG. 5 is a schematic view of the configuration of the barrel of the present invention;

the seedling bed comprises a seedling bed 1, a separating sieve 2, a water storage tank 3, an overflow port 4, a surrounding wall 5, a guide sliding groove 6, a first air hole 7, a bottom plate 8, a separating plate 9, a water seepage hole 10, a protrusion 11, a second air hole 12, a jack 13, a water suction pipe 14, an outer folding edge 15, a water suction core wire 16, a J-shaped locking pin 17 and a rotary connecting piece 18.

Detailed Description

The invention will be described in detail below with reference to the following drawings:

as shown in figures 1-4, a facility for growing seedlings of ground ornamental bamboos comprises a seedling growing bed 1 and a separating screen 2 arranged on the seedling growing bed 1, wherein the length of the seedling growing bed 1 is an integer of the width of the separating screen 2, the depth of the separating screen 2 is 13-15 cm, the bottom of the seedling growing bed 1 is a water storage tank 3, two opposite side walls of the water storage tank 3 are symmetrically provided with overflow ports 4, a surrounding wall 5 with an opening on one side is integrally formed on the water storage tank 3, guide sliding chutes 6 are symmetrically arranged on the inner sides of the surrounding walls 5 on two sides of the overflow ports 4, air holes I7 communicated with the inner side and the outer side of the surrounding wall 5 are uniformly arranged on the surrounding wall 5 above the guide sliding chutes 6, the air holes I7 are gradually changed from large to small from the inner side to the outer side of the surrounding wall 5, the hole spacing is 4-6 cm, the separating screen 2 is composed of a bottom plate 8 and a separating plate 9 which are matched with the guide sliding chutes 6, the separating screen 2, be equipped with infiltration hole 10 on the bottom plate 8, the aperture in infiltration hole 10 is 0.5 ~ 0.8cm, the hole interval is 3 ~ 8cm, division board 9 is hollow bilayer structure, the crisscross arch 11 that is provided with on bilayer structure's two medial surfaces, be equipped with two 12 on the arch 11 gas pocket, two 12 gas pocket are from big to little gradual change hole in the inside aperture of division board 9 outside, its hole interval is 4 ~ 6cm, division board 9's width is slightly narrower than the width of leg 5 opening, division board 9's top is equal with the top of leg 5. The air pruning of the lateral roots can be realized through the action of the air holes I7 and II 12, when the root system of the bamboo seedling grows outwards and downwards and contacts with the air, the root tip stops growing, countless times of new roots germinate at the rear part of the root tip and continue to grow outwards and downwards, the number of short and thick lateral roots is greatly increased, the lateral roots are short and thick, winding packing cannot be formed, and the purpose of controlling the roots is achieved; meanwhile, the separating sieves 2 with different widths can be selected according to actual requirements, and then ground ornamental bamboo stump blocks with different sizes can be cultivated, so that different landscaping requirements can be met, the sizes of the ground ornamental bamboo stump blocks can be accurately determined, the number of the ground ornamental bamboo stump blocks needs to be taken, and any adverse effect on ground ornamental bamboos on other separating sieves 2 cannot be caused.

As shown in fig. 4 and 5, the bottom plate 8 is further provided with an insertion hole 13, a water suction pipe 14 which can extend into the water storage tank 3 is inserted into the insertion hole 13, one end of the water suction pipe 14 is provided with an external folding edge 15, the other end of the water suction pipe is of a gradually-changing structure with gradually-reduced size, and a cotton water suction core wire 16 is arranged in the water suction pipe 14. The design enables the culture medium filled in the separating screen 2 to absorb the water in the water storage tank 3 through the water suction pipe 14 and the water suction core wire 16, and provides sufficient water source for the growth and development of the bamboo shoots.

As shown in fig. 1 and 2, a locking assembly is disposed on an outer side surface of an opening end of the surrounding wall 5 where the guide chute 6 is located, the locking assembly is composed of a J-shaped locking pin 17 and a rotating connecting piece 18 sleeved on the J-shaped locking pin 17, the J-shaped locking pin 17 and the rotating connecting piece 18 are in clearance fit, a bent end of the J-shaped locking pin 17 faces the opening end of the surrounding wall 5, and the rotating connecting piece 18 is fixedly connected to the surrounding wall 5. Through rotating J type locking round pin 17, make its bending end and the separation sieve 2 contact of leg 5 open end to reach the purpose of locking separation sieve 2, make can in close contact with between arbitrary two adjacent separation sieves 2, avoid appearing the gap and leading to the matrix to fall to the catch basin 3 between two adjacent separation sieves 2 at the in-process of filling culture medium, and this kind of design unblock and locking easy operation, locking back stability is strong.

First embodiment of seedling raising of ground ornamental bamboos

Digging and taking the bamboo rhizome of the phyllostachys pubescens which grows to be strong and has no plant diseases and insect pests for 2-4 years in the last ten days of 2 months in 2016, cutting the bamboo rhizome into rhizome segments with the length of 5cm, reserving 2 nodal buds and 4cm of root silk in each rhizome segment, soaking the rhizome segments in 0.03% rooting powder aqueous solution for 5min, coating a film with paraffin for cutting, and then putting the cut into a foam box filled with ice blocks and wet towels for later use; adding tap water into the water storage tank, wherein the water depth is 2/3-3/4 of the depth of the water storage tank, installing the separating sieve on the seedling growing bed along the guide sliding groove, rotating the J-shaped locking pin to enable the plane where the separating sieve is located to be parallel to the overflow port, locking the separating sieve on the seedling growing bed, inserting the water suction pipe into the insertion hole in the bottom of the separating sieve, and then paving a layer of water suction cotton at the bottom of the separating sieve; paving a layer of humus soil with the thickness of 3-5 cm on the absorbent cotton, placing the standby sections on the humus soil according to the line spacing of 5-8 cm, covering a layer of humus soil on the sections to reach 1/2 of the depth of the separation sieve, compacting, and continuously filling the humus soil to reach 80% -90% of the depth of the separation sieve; after planting, thoroughly watering humus by using water, covering a seedling bed with a plastic cover with the thickness of 0.02-0.05 mm, spraying water for 5 times at a speed of 12: 00-15: 00 every day in the first week after planting, and spraying a mixed aqueous solution of monopotassium phosphate, urea and thiophanate methyl every 3d, wherein the mass ratio of the monopotassium phosphate, the urea, the thiophanate methyl and the water is 5:3:5: 1200; and (4) taking out of the nursery after 14 months of seedling culture, rotating the J-shaped locking pin to enable the plane of the J-shaped locking pin to be perpendicular to the overflow port, then sequentially drawing out the separating sieve from the seedling culture bed, and taking off the stump of soil.

Seedling growing example II of ground ornamental bamboos

Digging and taking the moso bamboo rhizome which grows healthy and strong and has no plant diseases and insect pests in 2-4 years in the last 3 months of 2016, cutting into rhizome segments with the length of 8cm, reserving 3 gemmules and 6cm of root silk in each rhizome segment, soaking for 10min by 0.05% rooting powder aqueous solution, coating a film with paraffin after the soaking, and then putting the film into a foam box filled with ice blocks and wet towels for standby; adding tap water into the water storage tank, wherein the water depth is 2/3-3/4 of the depth of the water storage tank, installing the separating sieve on the seedling growing bed along the guide sliding groove, rotating the J-shaped locking pin to enable the plane where the separating sieve is located to be parallel to the overflow port, locking the separating sieve on the seedling growing bed, inserting the water suction pipe into the insertion hole in the bottom of the separating sieve, and then paving a layer of water suction cotton at the bottom of the separating sieve; laying a layer of 30% sawdust and 70% laterite with the thickness of 3-5 cm on water absorption cotton, placing the standby whips on humus according to the row spacing of 5-8 cm, covering a layer of 30% sawdust and 70% laterite on the whips to reach 1/2 of the depth of the separation screen, compacting, and continuously filling 30% sawdust and 70% laterite to reach 80% -90% of the depth of the separation screen; after planting, thoroughly watering 30% of sawdust and 70% of laterite by using water, covering a plastic cover with the thickness of 0.02-0.05 mm on a seedling bed, spraying water for 5 times at the ratio of 12: 00-15: 00 every day in the first week after planting, and then spraying a mixed aqueous solution of monopotassium phosphate, urea and thiophanate methyl every 3d, wherein the mass ratio of the monopotassium phosphate, the urea, the thiophanate methyl and the water is 5:3:5: 1200; and (4) taking out of the nursery after the seedlings are grown for 18 months, firstly rotating the J-shaped locking pin to enable the plane of the J-shaped locking pin to be vertical to the overflow port, then sequentially drawing out the separating sieve from the seedling bed, and taking off the stump of the soil.

Third embodiment of growing seedlings of ground ornamental bamboos

Digging and taking the moso bamboo rhizome which grows healthy and strong and has no plant diseases and insect pests in 2-4 years in the last ten days of 2016, cutting into sections with the length of 6cm, reserving 2 buds and 5cm root threads for each section, soaking for 7min by 0.04% rooting powder aqueous solution, coating a film with paraffin, and then putting into a foam box filled with ice blocks and wet towels for later use; adding tap water into the water storage tank, wherein the water depth is 2/3-3/4 of the depth of the water storage tank, installing the separating sieve on the seedling growing bed along the guide sliding groove, rotating the J-shaped locking pin to enable the plane where the separating sieve is located to be parallel to the overflow port, locking the separating sieve on the seedling growing bed, inserting the water suction pipe into the insertion hole in the bottom of the separating sieve, and then paving a layer of water suction cotton at the bottom of the separating sieve; paving a layer of humus soil with the thickness of 3-5 cm on the absorbent cotton, placing the standby sections on the humus soil according to the line spacing of 5-8 cm, covering a layer of humus soil on the sections to reach 1/2 of the depth of the separation sieve, compacting, and continuously filling the humus soil to reach 80% -90% of the depth of the separation sieve; after planting, thoroughly watering humus by using water, covering a seedling bed with a plastic cover with the thickness of 0.02-0.05 mm, spraying water for 5 times at a speed of 12: 00-15: 00 every day in the first week after planting, and spraying a mixed aqueous solution of monopotassium phosphate, urea and thiophanate methyl every 3d, wherein the mass ratio of the monopotassium phosphate, the urea, the thiophanate methyl and the water is 5:3:5: 1200; and (4) taking out of the nursery after 15 months of seedling culture, rotating the J-shaped locking pin to enable the plane of the locking pin to be vertical to the overflow port, then sequentially drawing out the separating sieve from the seedling culture bed, and taking off the root of the soil.

Fourth embodiment of growing seedlings of ground ornamental bamboos

Digging and taking the moso bamboo rhizome which grows healthy and strong and has no plant diseases and insect pests in 2-4 years in the last 3 months of 2016, cutting into rhizome segments with the length of 7cm, reserving 3 gemmules and 6cm of root silk in each rhizome segment, soaking for 8min by 0.03% rooting powder aqueous solution, coating a film with paraffin after the soaking, and then putting the film into a foam box filled with ice blocks and wet towels for later use; adding tap water into the water storage tank, wherein the water depth is 2/3-3/4 of the depth of the water storage tank, installing the separating sieve on the seedling growing bed along the guide sliding groove, rotating the J-shaped locking pin to enable the plane where the separating sieve is located to be parallel to the overflow port, locking the separating sieve on the seedling growing bed, inserting the water suction pipe into the insertion hole in the bottom of the separating sieve, and then paving a layer of water suction cotton at the bottom of the separating sieve; laying a layer of 30% sawdust and 70% laterite with the thickness of 3-5 cm on water absorption cotton, placing the standby whips on humus according to the row spacing of 5-8 cm, covering a layer of 30% sawdust and 70% laterite on the whips to reach 1/2 of the depth of the separation screen, compacting, and continuously filling 30% sawdust and 70% laterite to reach 80% -90% of the depth of the separation screen; after planting, thoroughly watering 30% of sawdust and 70% of laterite by using water, covering a plastic cover with the thickness of 0.02-0.05 mm on a seedling bed, spraying water for 5 times at the ratio of 12: 00-15: 00 every day in the first week after planting, and then spraying a mixed aqueous solution of monopotassium phosphate, urea and thiophanate methyl every 3d, wherein the mass ratio of the monopotassium phosphate, the urea, the thiophanate methyl and the water is 5:3:5: 1200; and (4) taking out of the nursery after 16 months of seedling culture, rotating the J-shaped locking pin to enable the plane of the J-shaped locking pin to be perpendicular to the overflow port, then sequentially drawing out the separating sieve from the seedling culture bed, and taking off the stump of the soil.

Counting the bamboo rhizome development rate (%) of the phyllostachys pubescens cultivated in the first to fourth embodiments 15 days after planting according to the number of newly grown bamboo seedlings, and testing the average growth height (cm) and branch amount (one) of the bamboo seedlings of the phyllostachys pubescens after 12 months, as well as the root damage rate (%) during outplanting and the transplanting survival rate (%) after outplanting; the specific test results are shown in the following table:

the analysis of the data in the table shows that the bamboo rhizome germination rates of the young phyllostachys pubescens cultivated in the first to fourth embodiments are all over 98%, the average growth heights of the phyllostachys pubescens in the 12-month cultivation period are all over 89cm, the branch amounts are all over 16, no root damage occurs during outplanting, and the transplanting survival rate after outplanting is over 99%. Therefore, the ground ornamental bamboo cultivated by the seedling cultivating device and the seedling cultivating method of the ground ornamental bamboo has the advantages of good survival rate, robust growth, convenient outplanting, no root damage and high survival rate of transplanting after outplanting.

The seedling raising device and the seedling raising method of the ground ornamental bamboos can prevent root rot and coiling of main roots of the ground ornamental bamboos in the seedling raising process, the air holes on the partition plates and the enclosure walls can enlarge the surface area of the side walls and realize air trimming of the side roots, when the root system of the bamboo seedling is exposed to the air, the root tip stops growing, and countless times of new roots germinate at the rear part of the root tip and continue growing outwards and downwards, thereby greatly increasing the number of short and thick lateral roots, the side roots are short and thick, wound packing cannot be formed, the separating screen is only required to be sequentially pulled out of the seedling bed when the seedlings are out of the nursery, the soil roots are taken down, the seedlings are convenient to lift, the root systems cannot be damaged, manual trimming of the root systems is not required, the seedling lifting workload is reduced, the survival rate after transplanting is high, the seedling raising device can be repeatedly used, and the utilization rate of resources is improved.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides a ground is vwatched bamboo and is grown seedlings facility which characterized in that: the seedling bed comprises a seedling bed and a separating sieve arranged on the seedling bed, wherein a water storage tank is arranged at the bottom of the seedling bed, overflow ports are symmetrically arranged on two opposite side walls of the water storage tank, a surrounding wall with an opening on one side is integrally formed on the water storage tank, guide sliding chutes are symmetrically arranged on the inner sides of the surrounding walls on two sides of each overflow port, first air holes communicated with the inner side and the outer side of the surrounding wall are uniformly formed in the surrounding wall above each guide sliding chute, the separating sieve is composed of a bottom plate matched with the guide sliding chutes and a separating plate, the separating sieve is detachably arranged on the seedling bed through the matching effect of the bottom plate and the guide sliding chutes, water seepage holes are formed in the bottom plate, the separating plate is of a hollow double-layer structure, bulges are arranged on two inner side surfaces of the double-layer structure in a staggered mode, second air holes are formed in the bulges, the width of the, the first air hole is a gradually-changing hole with the aperture from the inner side of the enclosing wall to the outer side from large to small, and the second air hole is a gradually-changing hole with the aperture from the outer side of the partition plate to the inner side from large to small.

2. A ground ornamental bamboo seedling raising facility according to claim 1, characterized in that: the bottom plate is further provided with an insertion hole, a water suction pipe which can extend into the water storage tank is inserted into the insertion hole, one end of the water suction pipe is provided with an outward-folded edge, the other end of the water suction pipe is of a gradually-changed structure with gradually-changed size, and a cotton water suction core wire is arranged in the water suction pipe.

3. A ground ornamental bamboo seedling raising facility according to claim 2, wherein: the length of the seedling raising bed is the width of an integral number of separating sieves, and the depth of each separating sieve is 13-15 cm.

4. A ground ornamental bamboo seedling raising facility according to claim 3, characterized in that: the utility model discloses a direction spout, including direction spout, locking subassembly, J type locking round pin, rotation connecting piece, be provided with the locking subassembly on the lateral surface of direction spout place leg opening one end, the locking subassembly comprises J type locking round pin and cover on locating J type locking round pin, J type locking round pin is clearance fit with rotation connecting piece, the end of buckling of J type locking round pin is towards leg open-ended one end, rotation connecting piece fixed connection is on the leg.

5. A ground ornamental bamboo seedling raising facility according to claim 4, characterized in that: the aperture of the water seepage hole is 0.5-0.8 cm, the hole interval is 3-8 cm, and the hole interval of the air hole I and the air hole II is 4-6 cm.

6. A seedling raising method using the facility for growing seedlings of ground ornamental bamboo as set forth in claim 1, characterized in that: the method comprises the following steps:

5) and (3) outplanting the bamboo seedlings: and (4) taking out of the nursery after the seedlings are grown for 14-18 months, firstly rotating the J-shaped locking pin to enable the plane of the J-shaped locking pin to be vertical to the overflow port, then sequentially drawing out the separating screen from the seedling bed, and taking off the soil stump.

7. A seedling raising method of ground ornamental bamboos according to claim 6, wherein the method comprises the following steps: soaking the whip cut in the step 1) in 0.03-0.05% rooting powder aqueous solution for 5-10 min, coating paraffin for cutting, and then putting into a foam box filled with ice blocks and wet towels.

8. A seedling raising method of ground ornamental bamboos according to claim 6, wherein the method comprises the following steps: the culture medium in the step 3) is one of humus soil or 30% of sawdust and 70% of laterite.