CN103493659A - Method for quick breeding and seedling growing of pennisetum hydridum - Google Patents
Method for quick breeding and seedling growing of pennisetum hydridum Download PDFInfo
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Abstract
The invention relates to a method for quick breeding and seedling growing of pennisetum hydridum. The method includes the following steps of establishing a seedling growing bed, selecting materials for being tested, carrying out seed stem cuttage, growing seedlings and leaving a garden. In the seed stem cuttage step, the lower cutting opening of a cuttage cutting wood stem segment is dipped into plant growth regulators and inserted into the seedling growing bed or a cuttage basin filled with matrixes, and the plant growth regulators are one kind of cytokinin, seaweed essence and rooting powder; the matrixes are sand or peat. According to the method for quick breeding and seedling growing of the pennisetum hydridum, seedling growth can be promoted without the limit of seasonality and can be bred all the year around, the qualified seedling percentage for quick breeding and seedling growing of the pennisetum hydridum is generally between 95% and 100%, moving and plantation survival rates are high, the method has a direct significance in solving the problems that the production is influenced due to the low survival rate of the directly planted pennisetum hydridum and seedlings are insufficient after overwintering, and important reference value is provided for preservation and breeding expanding for the pennisetum hydridum of grass-type good seedlings.
Description
Technical field
The invention belongs to the non-tube rapid propagation technical field of plant, be specifically related to a kind of hybrid giant napier rapid seedling cultivation method.
Background technology
The non-tube rapid propagation technology of plant is outside the test tube bottle, use micro-territory environment controlling technique, create the environment such as the most suitable temperature, light, water, gas, nutrition, hormone for plant propagation, the physiological potential of performance plant maximum, the rudiment of the plant gene of taking root is expressed as early as possible, thereby the long seedling of the Rapid Rooting of realizing plant, and can carry out many generation circulations by the mode with Miao Fanmiao, form and there is in a large number a kind of novel plant fast breeding technique of cultivating the business seedling be worth.It is not tissue culture technique, but essence is the principle that conjunctive tissue is cultivated fast breeding technique, and traditional cuttage technique is transformed.
With traditional cuttage technique, compare, the non-tube rapid propagation technology of plant have reproductive efficiency high, transplant and the advantage such as easily to survive, can also some normal cutting propagations breedings of amount reproduction can not be successful plant.Utilize non-test tube technology can not only overcome that conventional seedbed system method vegetable material is difficult to take root or the excessively high obstacle of growing seedlings of seedling cost, significantly improve rooting rate and the survival rate of nursery stock, can also save a large amount of manpowers, reduce labor strength, meet the needs of growing seedlings in the anniversary, improve Quality of Seedlings and production efficiency.Since successful exploitation, applied to widely the every field of agricultural production, as gourd, fruit and vegetable F1 for the rapid propagation with low costs of hybrid seed grow seedlings, container seedling forestation numerous, economic forest is fast numerous etc. soon anniversaries of numerous, greening seedling flowers soon for the anvil of exempting from of fruit tree tealeaves.
The main Propagation Methods of hybrid giant napier is vegetative propagation, and its growth characteristics are like sugarcane, but the kind joint is less than sugarcane, and its easy desiccation is large more than the sugarcane water requirement during plantation, extremely low in dry earth's surface nature survival rate.Simultaneously; current cultivated species cold resistance is poor; the continuous low temperature of 0 ℃ of left and right can be by hybrid giant napier plant and part root kill; cause low temperature in the wild can't to be multiplied continuously without can't normally passing the winter under the special protection condition; the non-tube rapid propagation seedling growth test that the hybrid giant napier seedling is carried out; can allow the seedling of hybrid giant napier produce middle energy fast seedling growing throughout the year, there is larger practice significance.By literature search, the non-test tube seedling growing process of hybrid giant napier does not also have the report of research both at home and abroad.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of promotion kind stem rudiment and growth of seedling, and be not subject to the hybrid giant napier rapid seedling cultivation method that seasonal restriction, Zhou Nianjun can numerous seedling.
For addressing the above problem, the technical solution adopted in the present invention is as follows:
A kind of hybrid giant napier rapid seedling cultivation method is characterized in that comprising the following steps:
(1) seedling bed is set up: at built-in vertical 2 seedling beds of steelframe shed, and the leveling of seedling bed bottom, the thick rubble of the above's paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of about 20cm in the above, and atomizer is installed in the seedling bed top;
(2) for the examination material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, cane is cut into to every section 1 joint, total length is about the 10cm left and right, peels off whole blades simultaneously;
(3) plant the stem cuttage: choose the health of above ripe plant hybrid giant napier of 6 monthly ages, be kind of a joint without the stem stalk of damage by disease and insect, now cane grows 10 more than joint, cut down whole strain hybrid giant napier cane from the earth's surface base portion, cane is mitered into to the cuttage fringe bar of every section 1 joint by sections, under cuttage fringe bar stipes section, section dips in plant growth regulator, insert in the seedling bed or cuttage basin that matrix is housed, cuttage is goed deep into seedling bed surface underneath 2～3cm to planting the stipes position, the degree of depth is 6～10cm, drench normal root water, cover sealing, coverage shading net with the white plastic film;
(4) grow seedlings: control 25～32 ℃ of seedling bed temperatures, humidity 80～90%, the natural scattering irradiation is grown seedlings, and cultivates the hybrid giant napier cuttage seeding;
(5) go out garden: when height of seedling 10cm is above, can go out garden.
As further technical scheme of the present invention, the size of described seedling bed is high 60cm, long 10m, inner width 1.2m.
As further technical scheme of the present invention, described plant growth regulator is a kind of in the basic element of cell division, algae essence and root-inducing powder.
Preferably, the algae essence that described plant growth regulator is 10mg/L.
Preferably, the basic element of cell division that described plant growth regulator is 15mg/L.
Preferably, the root-inducing powder that described plant growth regulator is 5mg/L.
As further technical scheme of the present invention, described matrix is sand or peat.
Compared to existing technology, beneficial effect of the present invention is: hybrid giant napier rapid seedling cultivation method of the present invention, can promote growth of seedling, and be not subject to seasonal restriction, Zhou Nianjun can numerous seedling, and hybrid giant napier rapid seedling cultivation planting percent is generally 95%～100%, mobile, planting survival rate is high, the solution rear hybrid giant napier of surviving the winter is directly planted the low and problem that the not enough impact of seedling is produced of survival rate and had direct meaning, to the preservation of this grass good seed of hybrid giant napier with expand numerous important reference value that has.
Embodiment
Overview experimental field: experimental field be positioned at the peaceful western Experimental Base in Agricultural University Of South China Zengcheng (23 ° of 14 ' N, 113 ° of 38 ' E), belong to the south subtropics monsoon climate, 21.6 ℃ of average temperatures of the whole year, the hottest is July, 29.4 ℃ of monthly mean temperatures, 38.6 ℃ of Extreme Maximum Temperatures; The coldest is January, 13.3 ℃ of monthly mean temperatures, the extreme minimum air temperature.Average annual rainfall is 1967.8mm, and rainwater mainly concentrates on for 4～September, and annual from rainfall surge in April, 5～June, rainfall was maximum, and be season short of rain October～March in next year, and average sunshine duration is 1707.2h.
Test material: take napier grass (Pennisetum K.Scbumacb) as maternal, the heat that American pennisetum alopecuroides (Pennisetum typhoideum Rich) forms for paternal hybrid is ground No. 4 hybrid giant napiers (Pennisetum hydridum), for the examination material, draws from Ning Xi proving ground, Guangdong Agricultural University Of South China Zengcheng.
Embodiment 1:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cm in the above, and atomizer is installed in the seedling bed top; For trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: section under above-mentioned stipes section is dipped in to the algae essence of 10mg/L, insert in the seedbed (or cuttage basin alms bowl) that husky bed is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drench normal root water, be positioned over seedling bed, with the white plastic film, cover sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
In the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, the number of on average taking root, root is long, sprouting length, sprouting quantity.
Embodiment 2:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cm in the above, and atomizer is installed in the seedling bed top; The stipes section is for trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, and cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: section under above-mentioned stipes section is dipped in to the algae essence of 10mg/L, insert in seedling bed (or the seedling-growing container alms bowl) matrix that peat soil is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drench normal root water, be positioned over seedling bed, with the white plastic film, cover sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
In the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, the number of on average taking root, root is long, sprouting length, sprouting quantity.
Embodiment 3:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cm in the above, and atomizer is installed in the seedling bed top; The stipes section is for trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, and cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: section under above-mentioned stipes section is dipped in to the basic element of cell division of 15mg/L, insert in the seedling bed (or cuttage basin) that husky bed is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drench normal root water, be positioned over seedling bed, with the white plastic film, cover sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
In the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, the number of on average taking root, root is long, sprouting length, sprouting quantity.
Embodiment 4:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cm in the above, and atomizer is installed in the seedling bed top; The stipes section is for trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, and cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: section under above-mentioned stipes section is dipped in to the basic element of cell division of 15mg/L, insert in the cuttage basin that peat soil is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drench normal root water, be positioned over seedling bed, with the white plastic film, cover sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
In the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, the number of on average taking root, root is long, sprouting length, sprouting quantity.
Embodiment 5:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cm in the above, and atomizer is installed in the seedling bed top; For trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: section under above-mentioned stipes section is dipped in to the root-inducing powder of 5mg/L, insert in the seedling bed (or cuttage basin) that husky bed is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drench normal root water, be positioned over seedling bed, with the white plastic film, cover sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
The stipes section is in the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, and the number of on average taking root, root is long, sprouting length, sprouting quantity.
Embodiment 6:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cm in the above, and atomizer is installed in the seedling bed top; The stipes section is for trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, and cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: section under above-mentioned stipes section is dipped in to the root-inducing powder of 5mg/L, insert in the seedling bed (or cuttage basin) that peat soil is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drench normal root water, be positioned over seedling bed, with the white plastic film, cover sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
In the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, the number of on average taking root, root is long, sprouting length, sprouting quantity.
The comparative example 1:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cmcm in the above, and atomizer is installed in the seedling bed top; For trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: above-mentioned fringe bar stipes section is directly inserted in the seedling bed (or cuttage basin) that husky bed is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drenches normal root water, is positioned over seedling bed, with the white plastic film, covers sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
In the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, the number of on average taking root, root is long, sprouting length, sprouting quantity.
The comparative example 2:
A kind of hybrid giant napier rapid seedling cultivation method, comprise the following steps: seedling bed is set up: at built-in vertical 2 the high 60cm of steelframe shed, long 10m, the seedling bed of the wide 1.2m of interior sky, the leveling of seedling bed bottom, the thick rubble of the above paving 10cm is as drainage blanket, and then lays the cultivation matrix (or seedling-growing container alms bowl) of 20cm in the above, and atomizer is installed in the seedling bed top; For trying material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, cane is cut into to every section and comprises 1 joint, total length is about the 10cm left and right, cuts off whole blades simultaneously; Tloig-cutlage: above-mentioned fringe bar stipes section is directly inserted in the seedling bed (or cuttage basin alms bowl) that husky bed is housed, cuttage kind stem top joint gos deep into stromal surface 2～4cm, drenches normal root water, is positioned over seedling bed, with the white plastic film, covers sealing, coverage shading net; Grow seedlings: control 25～32 ℃, seedbed temperature, 80～90% humidity ranges, cultivate the hybrid giant napier cuttage seeding, and the natural scattering irradiation is grown seedlings; Go out garden: when height of seedling 30cm is above, can go out garden.
In the survival rate of cuttage " Invest, Then Investigate " kind stem, rooting rate, the number of on average taking root, root is long, sprouting length, sprouting quantity.
Result and analysis:
1, the impact of the plant growth regulator of variable concentrations on hybrid giant napier survival rate and rooting rate
As shown in Table 1, under earth culture or the cultivation of husky training matrix, hybrid giant napier seedling percent, the rooting rate of plant growth regulator algae essence in 10mg/L all reach 100%, the 15mg/L basic element of cell division, 5mg/L root-inducing powder on the seedling percent of hybrid giant napier and rooting rate to affect result consistent.The impact effect that different substrates is cultivated is not obvious.Test shows, the non-tube rapid propagation technology of the growth regulator by low concentration, just can bring out in a short time a large amount of asexual seedlings, and not affect survival rate and the rooting rate of its transplanting.
The impact of the growth regulator of table 1 variable concentrations on hybrid giant napier survival rate and rooting rate
2, different substrates is cultivated the impact of lower plant growth regulator on the fast numerous growth of seedling of hybrid giant napier
The husky training matrix of watch 2 is cultivated the impact of lower plant growth regulator on the fast numerous seedling of hybrid giant napier
As seen from the results in Table 2, it is better than embodiment that under sand training condition, the root of embodiment is long, leaf long, take root number and germinative number are all compared, and the embodiment that wherein result of embodiment 2 slightly is better than other processes.
Watch 3 peat growing mediums are cultivated the impact of lower plant growth regulator on the fast numerous growth of seedling of hybrid giant napier
As seen from the results in Table 3, under the peat growing medium condition of culture, the root of embodiment is long, leaf long, take root number and the germinative number comparison better than embodiment, the 5mg/L root-inducing powder influence long to hybrid giant napier seedling root is the strongest, with control treatment, all reaches the significance of difference.
Comprehensive above result of the test, under earth culture and Sha Pei matrix are cultivated, add that plant growth regulator is long to the root of hybrid giant napier, leaf is long, take root count and the facilitations such as germinative number comparatively obvious, all with contrast action effect and reach the significance of difference.The facilitation better effects if of 10mg/L algae essence, hybrid giant napier seedling percent, rooting rate all reach 100%.Hence one can see that, and the non-tube rapid propagation seedling technology that adds plant growth regulator has application prospect preferably to the growth of hybrid giant napier seedling.Result shows, under green house by the temperature humidity of intelligent automatic control, regulate and control by the optimization of environmental parameter, easily for hybrid giant napier, create a growing environment the suitableeest, promote growth of seedling, impel propagating materials to take root, improve rooting rate, and be not subject to seasonal restriction, Zhou Nianjun can numerous seedling, thereby present technique has in various plants and expands in numerous the prospect of applying.
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, the variation of any unsubstantiality that those skilled in the art does on basis of the present invention and replacement all belong to the present invention's scope required for protection.
Claims (7)
1. a hybrid giant napier rapid seedling cultivation method is characterized in that comprising the following steps:
(1) seedling bed is set up: at built-in vertical 2 seedling beds of steelframe shed, and the leveling of seedling bed bottom, the thick rubble of the above's paving 10 cm is as drainage blanket, and atomizer is installed in the seedling bed top;
(2) for the examination material selection: the hybrid giant napier cane that the clip growing way is consistent with thickness, cane is cut into to every section 1 joint, total length is about 10 cm left and right, peels off whole blades simultaneously;
(3) plant the stem cuttage: when the hybrid giant napier cane grows 10 joints when above, cut down whole strain hybrid giant napier cane from the earth's surface base portion, cane is mitered into to kind of a stem cuttage fringe bar by every section 1 sections, under cuttage fringe bar stipes section, section dips in plant growth regulator, insert in the seedling bed or cuttage basin that matrix is housed, cuttage is goed deep into 2～3 cm under the seedling bed stromal surface to planting the stipes position, and the degree of depth is total to approximately 6～10 cm; Drench normal root water, with the white plastic film, cover sealing, coverage shading net;
(4) grow seedlings: control 25～32 ℃ of seedling bed temperatures, humidity 80～90%, the natural scattering irradiation is grown seedlings, and cultivates the hybrid giant napier cuttage seeding;
(5) go out garden: until height of seedling, 10 cm can go out garden when above.
2. hybrid giant napier rapid seedling cultivation method according to claim 1, it is characterized in that: the size of described seedling bed is high 60 cm, long 10m, inner width 1.2 m.
3. hybrid giant napier rapid seedling cultivation method according to claim 1 is characterized in that: described plant growth regulator is a kind of in the basic element of cell division, algae essence and root-inducing powder.
4. hybrid giant napier rapid seedling cultivation method according to claim 3, is characterized in that: the algae essence that described plant growth regulator is 10 mg/L.
5. hybrid giant napier rapid seedling cultivation method according to claim 3, is characterized in that: the basic element of cell division that described plant growth regulator is 15 mg/L.
6. hybrid giant napier rapid seedling cultivation method according to claim 3, is characterized in that: the root-inducing powder that described plant growth regulator is 5 mg/L.
7. hybrid giant napier rapid seedling cultivation method according to claim 1, it is characterized in that: described matrix is sand or peat.
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| CN104255217A (en) * | 2014-07-22 | 2015-01-07 | 华南农业大学 | Method for rapidly greening red mud stacking area by using Pennisetum hybridum |
| CN106134748A (en) * | 2016-08-10 | 2016-11-23 | 江西上高利丰牧业有限公司 | A kind of whole piece buries the method for dry Fast-propagation Pennisetum hydridum |
| CN107509617A (en) * | 2017-09-05 | 2017-12-26 | 南京大学 | A kind of batch production ciltivating process of metasequoia cutting |
| CN108770513A (en) * | 2018-03-29 | 2018-11-09 | 东营市技师学院 | The method that one planting sand buries stalk breeding vetiver seedling |
| CN109275435A (en) * | 2018-10-31 | 2019-01-29 | 华南农业大学 | A method of allow hybrid giant napier quick flourish on municipal sludge |
| CN117099579A (en) * | 2023-10-25 | 2023-11-24 | 四川省畜牧科学研究院 | Batch cutting device and method for grassiness |
| CN117099579B (en) * | 2023-10-25 | 2024-01-09 | 四川省畜牧科学研究院 | Batch cutting device and method for grassiness |
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