CN111108926A - Seedling raising method capable of improving disease resistance - Google Patents
Seedling raising method capable of improving disease resistance Download PDFInfo
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- CN111108926A CN111108926A CN201911388649.4A CN201911388649A CN111108926A CN 111108926 A CN111108926 A CN 111108926A CN 201911388649 A CN201911388649 A CN 201911388649A CN 111108926 A CN111108926 A CN 111108926A
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- seedling
- soil
- disease resistance
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- scion
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G2/00—Vegetative propagation
- A01G2/10—Vegetative propagation by means of cuttings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
Abstract
The invention discloses a seedling raising method capable of improving disease resistance, which comprises the following steps: burning rice straw, corn straw and pine branches to prepare ash, then adding sandy soil and clay, uniformly mixing, and granulating to obtain prefabricated seedling soil; uniformly stirring sodium carboxymethylcellulose, microcrystalline cellulose, vegetable oil and water, adding absolute ethyl alcohol and sepiolite, and uniformly stirring to obtain a binder; rolling the prepared seedling soil, preheating to 50-60 ℃, then spraying the binder on the particle surfaces of the prepared seedling soil, uniformly stirring, and drying at the temperature of 100 ℃ and 110 ℃ until the water content is 4-10 wt% to obtain the composite seedling soil; shearing the robust branches into scion strips with 2-3 axillary buds, shearing the upper ends of the scion strips flat and the lower ends of the scion strips into 45 degrees, soaking the lower end cuts in clear water, disinfecting the lower end cuts, and soaking the cut in a rooting agent; vertically cutting the treated scions in composite seedling soil for planting and culturing, wherein the environmental temperature is 20-24 ℃, the environmental humidity is 65-70%, and the scions are outplanted.
Description
Technical Field
The invention relates to the technical field of seedling culture, in particular to a seedling culture method capable of improving disease resistance.
Background
At present, the propagation modes of nursery stocks are mainly divided into seed propagation and cutting propagation. The seed propagation mode is simple, but the seed germination rate is low. The cutting propagation method is to select the plant which grows strongly and has no plant diseases and insect pests, cut the root or the reed head of the plant, soak the plant in phytohormone, insert the plant in sandy soil, water the plant in good time, cultivate the plant for a period of time and transplant the plant. The seedling culture medium is used for replacing soil in modern agriculture and forestry to perform cutting propagation seedling culture, and is more easily controlled in nutrient content and more easily realized in large-scale production compared with common soil, so that the seedling culture medium is gradually and widely applied. But still has the problems of poor disease resistance, low survival rate and long seedling growing period.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a seedling raising method capable of improving disease resistance.
A seedling raising method capable of improving disease resistance comprises the following steps:
s1, burning rice straws, corn straws and pine branches to obtain ash, then adding sandy soil and clay to mix uniformly, and granulating to obtain prefabricated seedling soil;
s2, uniformly stirring sodium carboxymethylcellulose, microcrystalline cellulose, vegetable oil and water, adding absolute ethyl alcohol and sepiolite, and uniformly stirring to obtain a binder;
s3, rolling the prepared seedling soil, preheating to 50-60 ℃, spraying the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at the temperature of 100 ℃ and 110 ℃ until the water content is 4-10 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2-3 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the lower end cuts in clear water, disinfecting the lower end cuts, and soaking the cut in a rooting agent;
s5, vertically cutting the scion processed in the S4 in composite seedling soil for planting and culturing, wherein the environmental temperature is 20-24 ℃, the environmental humidity is 65-70%, and the scion leaves the nursery.
Preferably, in S1, the mass ratio of the rice straw, the corn straw, the pine branches, the sandy soil and the clay is 40-60: 5-20: 1-5: 10-20: 4-10.
Preferably, in S2, the mass ratio of sodium carboxymethylcellulose, microcrystalline cellulose, vegetable oil, water, absolute ethanol and sepiolite is 1-3: 1-2: 0.1-0.6: 20-40: 1-5: 1-2.
Preferably, in S2, the sodium carboxymethyl cellulose, the microcrystalline cellulose, the vegetable oil and the water are uniformly stirred, the stirring temperature is 80-90 ℃, the temperature is reduced to 20-30 ℃, the absolute ethyl alcohol and the sepiolite are added and uniformly stirred, and the binder is obtained.
Preferably, in S4, the cut at the lower end of the sheared ear is soaked in clear water for 1-2 days.
Preferably, in S4, the cut at the lower end of the cut ear is soaked in the sterilized solution for 20-40 h.
Preferably, in S4, the rooting agent is a solution of at least one of indoleacetic acid, indolebutyric acid, naphthylacetic acid, and compound sodium nitrophenolate.
Preferably, in the planting culture process of S5, the illumination intensity is 1000-2000Lux, and the illumination time is 7-10 h.
Preferably, in S5, the planting culture time is 70-80 days.
The technical effects of the invention are as follows:
(1) in the S1, the rice straw, the corn straw and the pine branches are compounded and combusted, the obtained ash has the water retention property and good disease resistance, and the prepared seedling soil is compounded with sandy soil and clay to prepare the prepared seedling soil, so that the prepared seedling soil has good formability and is not easy to break after water control; meanwhile, the ash contains rich organic matters, so that the ash can be used as seedling soil to enhance fertility, avoid seedling soil hardening, inhibit pathogenic bacteria of plants, improve microbial environment and physical structure in the seedling soil, improve immunity of seedlings and has excellent disease resistance;
(2) in the invention, in S2 and S3, sodium carboxymethylcellulose and microcrystalline cellulose are compounded, so that the bonding degree is high, the sepiolite is matched with sepiolite, the sepiolite is fully dispersed in the binder, the binder is coated on the surface of the prefabricated seedling soil, a channel is formed on the surface after absolute ethyl alcohol volatilizes, the sepiolite dispersed in the binder absorbs water and expands under the water state, the channel is reduced, the nutrient substance slowly overflows, the water-retaining effect of the composite seedling soil is extremely excellent, the sepiolite shrinks under the micro water shortage state, the nutrient substance quickly overflows after the channel is opened, the root system of the spike can be ensured to quickly extend, the stable operation of the seedling process is ensured, and the emergence rate is high;
(3) in the invention, the scion wood is inserted into the composite seedling soil in S4 and S5, the scion wood can realize water and fertilizer integrated regulation and control under the same time-space condition, the interaction of water and fertilizer is fully exerted, the composite seedling soil is loose and soft, good in air permeability, excellent in water and fertilizer retention performance, excellent in antibacterial performance, more beneficial to the growth and development of the root system of the scion wood, mild in action, capable of avoiding the seedling burning condition, and improving the survival rate of seedlings, and meanwhile, the composite seedling soil adopts rice straws, corn straws and pine branches as main raw materials, so that waste can be changed into valuable, the resource utilization rate is improved, and the investment of production cost is reduced.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example 1
A seedling raising method capable of improving disease resistance comprises the following steps:
s1, burning 40kg of rice straw, 20kg of corn straw and 1kg of pine branches to prepare ash, then adding 20kg of sandy soil and 4kg of clay, uniformly mixing, and granulating to obtain prefabricated seedling soil;
s2, uniformly stirring 3kg of sodium carboxymethylcellulose, 1kg of microcrystalline cellulose, 0.6kg of vegetable oil and 20kg of water at the stirring temperature of 90 ℃, cooling to 20 ℃, adding 5kg of absolute ethyl alcohol and 1kg of sepiolite, and uniformly stirring to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 60 ℃, then rolling the drying drum at the rotating speed of 40r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 110 ℃ until the water content is 4 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 3 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 1 day, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 40 hours;
and S5, vertically cutting the scion wood processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 20 ℃, the environment humidity is 70%, the illumination intensity is 1000Lux, the illumination time is 10h, and the scion wood is taken out of the nursery in 70 days.
Example 2
A seedling raising method capable of improving disease resistance comprises the following steps:
s1, burning 60kg of rice straw, 5kg of corn straw and 5kg of pine branches to obtain ash, then adding 10kg of sandy soil and 10kg of clay, uniformly mixing, and granulating to obtain pre-prepared seedling soil;
s2, uniformly stirring 1kg of sodium carboxymethylcellulose, 2kg of microcrystalline cellulose, 0.1kg of vegetable oil and 40kg of water at the stirring temperature of 80 ℃, cooling to 30 ℃, adding 1kg of absolute ethyl alcohol and 2kg of sepiolite, and uniformly stirring to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 50 ℃, then rolling the drying drum at a rotating speed of 50r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 100 ℃ until the water content is 10 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 2 days, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 20 hours;
and S5, vertically cutting the scion wood processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 24 ℃, the environment humidity is 65%, the illumination intensity is 2000Lux, the illumination time is 7h, and the scion wood is taken out of the nursery in 80 days.
Example 3
A seedling raising method capable of improving disease resistance comprises the following steps:
s1, burning 45kg of rice straw, 15kg of corn straw and 2kg of pine branches to prepare ash, adding 18kg of sandy soil and 6kg of clay, uniformly mixing, and granulating to obtain prefabricated seedling soil;
s2, uniformly stirring 2.5kg of sodium carboxymethylcellulose, 1.2kg of microcrystalline cellulose, 0.4kg of vegetable oil and 25kg of water at 88 ℃, cooling to 22 ℃, adding 4kg of absolute ethyl alcohol and 1.2kg of sepiolite, and uniformly stirring to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 57 ℃, then rolling the drying drum at a rotating speed of 42r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 108 ℃ until the water content is 6 wt% to obtain composite seedling soil;
s4, shearing the robust branches into scion strips with 3 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 1.5 days, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 25 hours;
and S5, vertically cutting the scion wood processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 23 ℃, the environment humidity is 66%, the illumination intensity is 1800Lux, the illumination time is 8h, and the scion wood is outplanted in 77 days.
Example 4
A seedling raising method capable of improving disease resistance comprises the following steps:
s1, burning 55kg of rice straw, 10kg of corn straw and 4kg of pine branches to prepare ash, then adding 12kg of sandy soil and 8kg of clay, uniformly mixing, and granulating to obtain pre-prepared seedling soil;
s2, uniformly stirring 1.5kg of sodium carboxymethylcellulose, 1.8kg of microcrystalline cellulose, 0.2kg of vegetable oil and 35kg of water at the stirring temperature of 82 ℃, cooling to 28 ℃, adding 2kg of absolute ethyl alcohol and 1.8kg of sepiolite, and uniformly stirring to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 53 ℃, then rolling the drying drum at a rotating speed of 48r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 102 ℃ until the water content is 8 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 1.5 days, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 35 hours;
and S5, vertically cutting the scion wood processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 21 ℃, the environment humidity is 68%, the illumination intensity is 1200Lux, the illumination time is 9h, and the scion wood is taken out of the nursery in 73 days.
Example 5
A seedling raising method capable of improving disease resistance comprises the following steps:
s1, burning 50kg of rice straw, 13kg of corn straw and 3kg of pine branches to prepare ash, then adding 15kg of sandy soil and 7kg of clay, uniformly mixing, and granulating to obtain prefabricated seedling soil;
s2, uniformly stirring 2kg of sodium carboxymethylcellulose, 1.5kg of microcrystalline cellulose, 0.3kg of vegetable oil and 30kg of water at 85 ℃, cooling to 25 ℃, adding 3kg of absolute ethyl alcohol and 1.5kg of sepiolite, and uniformly stirring to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 55 ℃, then rolling the drying drum at a rotating speed of 45r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 105 ℃ until the water content is 7 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 1.5 days, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 30 hours;
s5, vertically cutting the scions processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 22 ℃, the environment humidity is 67%, the illumination intensity is 1500Lux, the illumination time is 8.5h, and the scions are outplanted in 75 days.
Comparative example 1
A seedling raising method comprises the following steps:
s1, crushing 50kg of rice straw, 13kg of corn straw, 3kg of pine branches, 15kg of sandy soil and 7kg of clay, uniformly mixing, and granulating to obtain pre-prepared seedling soil;
s2, uniformly stirring 2kg of sodium carboxymethylcellulose, 1.5kg of microcrystalline cellulose, 0.3kg of vegetable oil and 30kg of water at 85 ℃, cooling to 25 ℃, adding 3kg of absolute ethyl alcohol and 1.5kg of sepiolite, and uniformly stirring to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 55 ℃, then rolling the drying drum at a rotating speed of 45r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 105 ℃ until the water content is 7 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 1.5 days, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 30 hours;
s5, vertically cutting the scions processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 22 ℃, the environment humidity is 67%, the illumination intensity is 1500Lux, the illumination time is 8.5h, and the scions are outplanted in 75 days.
Comparative example 2
A seedling raising method comprises the following steps:
s1, burning 50kg of rice straw, 13kg of corn straw and 3kg of pine branches to prepare ash, then adding 15kg of sandy soil and 7kg of clay, uniformly mixing, and granulating to obtain prefabricated seedling soil;
s2, uniformly stirring 2kg of sodium carboxymethylcellulose, 1.5kg of microcrystalline cellulose, 0.3kg of vegetable oil and 30kg of water at the stirring temperature of 85 ℃ and reducing the stirring temperature to 25 ℃ to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 55 ℃, then rolling the drying drum at a rotating speed of 45r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 105 ℃ until the water content is 7 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 1.5 days, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 30 hours;
s5, vertically cutting the scions processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 22 ℃, the environment humidity is 67%, the illumination intensity is 1500Lux, the illumination time is 8.5h, and the scions are outplanted in 75 days.
Comparative example 3
A seedling raising method comprises the following steps:
s1, burning 50kg of rice straw, 13kg of corn straw and 3kg of pine branches to prepare ash, then adding 15kg of sandy soil and 7kg of clay, uniformly mixing, and granulating to obtain prefabricated seedling soil;
s2, uniformly stirring 2kg of sodium carboxymethylcellulose, 1.5kg of microcrystalline cellulose, 0.3kg of vegetable oil and 30kg of water at 85 ℃, cooling to 25 ℃, adding 3kg of absolute ethyl alcohol and 1.5kg of clay, and uniformly stirring to obtain a binder;
s3, pouring the prepared seedling soil into a drying drum, rolling and preheating to 55 ℃, then rolling the drying drum at a rotating speed of 45r/min to spray the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at 105 ℃ until the water content is 7 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the cuts at the lower ends of the scion strips in clear water for 1.5 days, disinfecting the scion strips, and soaking the scion strips in a rooting agent for 30 hours;
s5, vertically cutting the scions processed in the step S4 in composite seedling soil for planting and culturing, wherein the environment temperature is 22 ℃, the environment humidity is 67%, the illumination intensity is 1500Lux, the illumination time is 8.5h, and the scions are outplanted in 75 days.
The method of example 5 and comparative examples 1-3 were used to perform comparative experiments using California grape branches as the experimental subjects, and 200 grape branches were used to grow seedlings in each group, with the following results:
from the above table, it can be seen that: the invention can realize water and fertilizer integrated regulation and control of the scion under the same time-space condition, fully exerts the interaction of water and fertilizer, has loose and soft soil of the composite seedling, good air permeability, excellent water and fertilizer retention performance and excellent antibacterial performance, is more beneficial to the root system growth and development of the scion, has mild action, can avoid the seedling burning condition and improve the survival rate of the seedling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A seedling raising method capable of improving disease resistance is characterized by comprising the following steps:
s1, burning rice straws, corn straws and pine branches to obtain ash, then adding sandy soil and clay to mix uniformly, and granulating to obtain prefabricated seedling soil;
s2, uniformly stirring sodium carboxymethylcellulose, microcrystalline cellulose, vegetable oil and water, adding absolute ethyl alcohol and sepiolite, and uniformly stirring to obtain a binder;
s3, rolling the prepared seedling soil, preheating to 50-60 ℃, spraying the binder on the particle surface of the prepared seedling soil, uniformly stirring, and drying at the temperature of 100 ℃ and 110 ℃ until the water content is 4-10 wt% to obtain the composite seedling soil;
s4, shearing the robust branches into scion strips with 2-3 axillary buds, shearing the upper ends of the scion strips flat, shearing the lower ends of the scion strips into 45 degrees, soaking the lower end cuts in clear water, disinfecting the lower end cuts, and soaking the cut in a rooting agent;
s5, vertically cutting the scion processed in the S4 in composite seedling soil for planting and culturing, wherein the environmental temperature is 20-24 ℃, the environmental humidity is 65-70%, and the scion leaves the nursery.
2. A seedling raising method capable of improving disease resistance according to claim 1, wherein in S1, the mass ratio of rice straw, corn straw, pine branches, sand and clay is 40-60: 5-20: 1-5: 10-20: 4-10.
3. A seedling raising method capable of improving disease resistance according to claim 1, wherein in S2, the mass ratio of sodium carboxymethylcellulose, microcrystalline cellulose, vegetable oil, water, absolute ethyl alcohol and sepiolite is 1-3: 1-2: 0.1-0.6: 20-40: 1-5: 1-2.
4. A seedling raising method capable of improving disease resistance according to claim 1, characterized in that in S2, sodium carboxymethylcellulose, microcrystalline cellulose, vegetable oil and water are uniformly stirred, the stirring temperature is 80-90 ℃, the temperature is reduced to 20-30 ℃, absolute ethyl alcohol and sepiolite are added and uniformly stirred to obtain the binder.
5. A seedling raising method capable of improving disease resistance as claimed in claim 1, wherein in S4, the cut at the lower end of the cut ear is soaked in clear water for 1-2 days.
6. A seedling raising method capable of improving disease resistance as claimed in claim 1, wherein in S4, the cut at the lower end of the cut ear is sterilized and soaked in the solution for 20-40 h.
7. A seedling raising method capable of improving disease resistance according to claim 1, wherein in S4, the rooting agent is a solution of at least one of indoleacetic acid, indolebutyric acid, naphthylacetic acid and compound sodium nitrophenolate.
8. A seedling raising method capable of improving disease resistance as claimed in claim 1, wherein in the planting culture process of S5, the illumination intensity is 1000-2000Lux and the illumination time is 7-10 h.
9. A seedling raising method capable of improving disease resistance according to claim 1, wherein in S5, the planting culture time is 70-80 days.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113826528A (en) * | 2021-09-13 | 2021-12-24 | 深圳市建设（集团）有限公司 | High-permeability spongy soil and preparation method and application thereof |
| CN113994855A (en) * | 2021-09-13 | 2022-02-01 | 深圳市建设（集团）有限公司 | Application of high-permeability spongy soil in plant maintenance |
-
2019
- 2019-12-30 CN CN201911388649.4A patent/CN111108926A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113826528A (en) * | 2021-09-13 | 2021-12-24 | 深圳市建设（集团）有限公司 | High-permeability spongy soil and preparation method and application thereof |
| CN113994855A (en) * | 2021-09-13 | 2022-02-01 | 深圳市建设（集团）有限公司 | Application of high-permeability spongy soil in plant maintenance |
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