CN108359472A - A kind of nursery soil regulating acid agent and its preparation method and application - Google Patents
A kind of nursery soil regulating acid agent and its preparation method and application Download PDFInfo
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- CN108359472A CN108359472A CN201810128141.XA CN201810128141A CN108359472A CN 108359472 A CN108359472 A CN 108359472A CN 201810128141 A CN201810128141 A CN 201810128141A CN 108359472 A CN108359472 A CN 108359472A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/20—Vinyl polymers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
Abstract
The present invention relates to technical field of land improvement, more particularly, to a kind of nursery soil regulating acid agent and its preparation method and application.The nursery soil regulating acid agent is mainly made of following component that counting in parts by weight：1 80 parts of polyacrylamide, 1 80 parts of citric acid.The preparation method includes the following steps：Each component is mixed and is mixed uniformly, you can obtains the nursery soil regulating acid agent.The soil regulating acid agent can make pH Value of Bed Soil be kept stable at 5, and can quickly kill the soil-borne disease bacterium in soil, and germ is inhibited to enter nursery soil, prevent seed and go mouldy in the soil, and can shorten the seeding stage.
Description
Technical field
The present invention relates to technical field of land improvement, more particularly, to a kind of nursery soil regulating acid agent and preparation method thereof and
Using.
Background technology
Due to the growth hereditary capacity of crop and the collective effect of soil environment, each crop all has optimum soil
Acidity Range.For example, rice crop, generally use rice seedling on upland field technology, nursery soil in it is acid when be conducive to seedling growth, and mesh
The soil of quite a few preceding rice region is neutral or alkalinity, thus, the tune acid of the nursery soil of acid soil is liked to rice one kind
It will substantially improve the quality and yield of crop as can reducing the pH of soil as the key technology that crop is cultivated and generate huge
Economic benefit.
Currently, widely used tune acid substance is sulfuric acid, sulphur, ferrous sulfate, acetic acid etc., but these adjust acid substances for
The adjusting acidity effect of soil cannot keep stabilization, and soil pH value is unstable, need to be repeatedly used for a long, and can generate antagonism with soil
Effect, causes soil hardening to harden, and organic matter is reduced, and soil fertility declines, and the total quality for having seriously affected rice shoot is horizontal, leads to agriculture
Plant growth is bad, and quality and yield decline.
In view of this, special propose the present invention.
Invention content
The first object of the present invention is to provide a kind of nursery soil regulating acid agent, and the soil regulating acid agent can make seedbed soil
Earth pH value is kept stable at 5 ± 0.5, and can quickly kill the soil-borne disease bacterium in soil, and germ is inhibited to enter nursery soil,
Prevent seed to go mouldy in the soil, provides balanced nutrient so that crops seedling stage grows needs.
The second object of the present invention is to provide a kind of preparation method of the nursery soil regulating acid agent, the preparation method
It is easy to operate, reproducible, the soil regulating acid agent performance stable uniform being prepared.
Another object of the present invention is to provide a kind of application of the nursery soil regulating acid agent, the nursery soil tune acid
Agent can be used for the nursery of the acid crop of the happiness such as rice, and the nursery soil regulating acid agent can cultivate the powerful root system of rice shoot, improve
Root activity, to improve the growth quality of crop.
In order to realize that the above-mentioned purpose of the present invention, spy use following technical scheme：
A kind of nursery soil regulating acid agent is mainly made of following component that counting in parts by weight：
1-80 parts of polyacrylamide
1-80 parts of citric acid.
The present invention is used by polyacrylamide and citric acid collaboration, using the aquation of polyacrylamide, according to soil
Water content situation slow release or storage moisture, the citric acid of addition ionize out hydrogen ion, provide acidity for soil, and lead in earth
The ionization for crossing the aquation regulation and control citric acid of polyacrylamide, makes pH Value of Bed Soil be kept stable at 5 ± 0.5, and can be fast
Speed kills the soil-borne disease bacterium in soil, and germ is inhibited to enter nursery soil, prevents seed and goes mouldy in the soil, provides
Balanced nutrient needs for plant growth.
The regulating acid agent adjusts nursery soil pH 5 or so, and bacterium can be inhibited to enter seedbed infringement seed and rice shoot, made
Rice shoot root is flourishing, and it is horizontal to improve rice shoot total quality.
When polyacrylamide is contacted with water, hydrophobic group forms granular texture not soluble in water because hydrophobic effect turns to inside,
Hydrophilic radical forms hydrate water by hydrogen bond and water molecules, and water molecule layer is formed on the surface of molecule.Aquation makes height
The net Shu Zhankai of molecule makes ion occur inside and outside three dimensions net due to containing a certain number of Hydrophilic ionics in structure in net
Concentration difference, to cause to generate osmotic pressure inside and outside reticular structure, hydrone, which just permeates under the action of osmotic pressure into net, to be formed
Mesh water.
When nursery soil pH is excessively high, H+The concentration of ion is low, and polyacrylamide can absorb the Free water in soil, make
Osmotic balance inside and outside reticular structure, to make nursery soil pH reductions；When nursery soil pH is too low, H+The concentration of ion
Height, polyacrylamide can discharge in the water to soil in reticular structure, make osmotic balance inside and outside reticular structure, to make seedling
Bed soil pH increases.
Also, polyacrylamide can significantly improve soil moisture content, inhibit soil crust to be formed, moisturize and infiltrate.It is poly-
Acrylamide can improve soil texture, and soil macro aggregate number is made to increase, and soil porosity and capillary porosity rise,
The soil weight is reduced, soil particle and pore structure is made to keep stablizing.Also, polyacrylamide is by stablizing water, stablizing granule
Structure and to fertilizer element adsorb, inhibit fertilizer element be lost in, improve regulating acid agent in utilization rate of fertilizer.Using the present invention's
Nursery soil regulating acid agent no longer needs to additionally apply fertilizer, you can meet the needs of crops seedling stage, and can shorten the seeding stage.
Within the above range, it can effectively ensure that moisture content, upper soll layer is excessive caused by avoiding polyacrylamide excessively high
Grogs is cohered, Infiltration is inhibited.
Preferably, the nursery soil regulating acid agent is mainly made of following component that counting in parts by weight：
5-50 parts of polyacrylamide
5-50 parts of citric acid.
Preferably, the nursery soil regulating acid agent further includes fertilizer.It is furthermore preferred that the fertilizer is nitrogen, phosphorus and potassium fertilizer.
Preferably, the nursery soil regulating acid agent includes 10-80 parts of the nitrogen, phosphorus and potassium fertilizer counted in parts by weight.It is furthermore preferred that
The nursery soil regulating acid agent includes 40-75 parts of the nitrogen, phosphorus and potassium fertilizer counted in parts by weight.
Preferably, the nursery soil regulating acid agent is mainly made of following component that counting in parts by weight：
10-20 parts of polyacrylamide
10-20 parts of citric acid
60-75 parts of nitrogen, phosphorus and potassium fertilizer.
Preferably, the nursery soil regulating acid agent is mainly made of following component that counting in parts by weight：
15 parts of polyacrylamide
15 parts of citric acid
70 parts of nitrogen, phosphorus and potassium fertilizer.
By the further adjustment to each component ratio, so that the nursery soil regulating acid agent of present invention gained is more stable
It is long-acting, 100d or more can be kept in the case of pH=5.
Preferably, the polyacrylamide is anionic polyacrylamide.Effective pH of anionic polyacrylamide is in 5-
Between 14.
Preferably, the number-average molecular weight of the polyacrylamide is 15,000,000-2,500 ten thousand.It is furthermore preferred that the polypropylene
The number-average molecular weight of amide is 18,000,000-2,200 ten thousand.
Preferably, the nitrogen, phosphorus and potassium fertilizer includes potassium dihydrogen phosphate and ammonium sulfate.
The nitrogen, phosphorus and potassium fertilizer cooperates with use with polyacrylamide, so that soil is increased the absorption of fertilizer, fertilizer conservation rate obtains
It improves, the utilization rate of fertilizer can be effectively improved.
Potassium dihydrogen phosphate is a kind of efficient phosphorus potassium complex fertilizer, has significant increasing both production and income, optimizes quality, is resistant to lodging, anti-
It the effects that pest and disease damage, prevention early ageing, compounds, is capable of providing to the fertilizer needed for germination and seedling growth with ammonium sulfate.
Ammonium sulfate can make shoot and leaf growth vigorous as a kind of excellent nitrogenous fertilizer, improve crop quality and yield, and enhancing is made
Resistivity of the object to disaster.
Preferably, the mass ratio of the potassium dihydrogen phosphate and ammonium sulfate is (4-6) ﹕ (1-3), preferably 5 ﹕ 2.
The present invention also provides a kind of preparation methods of the nursery soil regulating acid agent, include the following steps：
Each component is mixed and is mixed uniformly, you can obtains the nursery soil regulating acid agent.
The component of nursery soil regulating acid agent of the present invention is solid constituent, it is only necessary to which simple mixing is mixed and can be obtained
To the regulating acid agent, preparation method is simple, reproducible, the soil regulating acid agent performance stable uniform being prepared.
The present invention also provides a kind of application of nursery soil regulating acid agent in liking acid soil plant nursery.
Preferably, the happiness acid soil plant includes rice.
When the nursery soil regulating acid agent is used for seedling cultivation of rice, soil pH value stabilization can be made not rebound 5, it can be effectively pre-
Anti- seed goes mouldy in the soil, and can prevent seedling stage various diseases and grow, and activates seed activity, plumule is promoted to take root,
The previous day emergence, and full stand, Miao Yun, robust seedling and well developed root system can be carried.Also, the nitrogen, phosphorus and potassium fertilizer in the regulating acid agent, each nutrient
It is compound to realize height, disclosure satisfy that demand of the rice crop seedling growth to nutrient.
Preferably, the application, includes the following steps：Nursery soil is uniformly mixed with the nursery soil regulating acid agent and is mixed
Subsoil, watering.
Preferably, the dosage of the nursery soil regulating acid agent is 3-3.5kg/100m2Nursery soil.
Preferably, the nursery soil regulating acid agent is dissolved in the water, is sprayed or is watered to nursery soil.Such as educating
It does not mix nursery soil regulating acid agent when seedling earthing in nursery soil, can soil be sprayed or be watered, it is ensured that full stand
Miao Wang reduces the generation of crops seedling stage disease.Such as without using nursery soil regulating acid agent of the present invention, when seedbed, pH is more than
5 or after there is disease, pH value can be effectively reduced by the method for above-mentioned spraying or watering, alleviate disease.
Preferably, the mass ratio of the nursery soil regulating acid agent and water is 1 ﹕ (40-60), preferably 1 ﹕ 50.
Preferably, the nursery soil regulating acid agent is dissolved in the water, soaks for soaking seed by the nursery soil regulating acid agent
Kind.It is furthermore preferred that the mass ratio of the nursery soil regulating acid agent and water is 1 ﹕ (20-40), preferably 1 ﹕ 30.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) soil regulating acid agent of the present invention can make pH Value of Bed Soil be kept stable at 5, and can be quickly by soil
In soil-borne disease bacterium kill, and germ is inhibited to enter nursery soil, prevents seed and go mouldy in the soil, provided balanced foster
Divide so that plant growth needs；
(2) nursery soil pH adjustings are maintained at 5 by the regulating acid agent, and bacterium can be inhibited to enter seedbed infringement seed and seedling
Seedling keeps rice shoot root flourishing, it is horizontal to improve rice shoot total quality；Also, the regulating acid agent will not cause secondary pollution, to ring
Border, soil are pollution-free, and seedbed is disease-free, no dead seedling；
(3) nursery soil regulating acid agent of the present invention is used, no longer needs to additionally apply fertilizer, you can meet crops seedling stage
Demand, and the seeding stage can be shortened；
(4) when the nursery soil regulating acid agent is used for seedling cultivation of rice, soil pH value stabilization can be made not rebound 5, can be had
Effect prevents seed and goes mouldy in the soil, and can prevent seedling stage various diseases and grow, and activates seed activity, promotes plumule life
Root can carry the previous day emergence, and full stand, Miao Yun, robust seedling and well developed root system；Also, the nitrogen, phosphorus and potassium fertilizer in the regulating acid agent, it is each to support
It is compound point to realize height, disclosure satisfy that demand of the rice crop seedling growth to nutrient；
(5) nursery soil regulating acid agent application of the present invention is convenient, significant effect.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with specific implementation mode, but ability
Field technique personnel will be understood that following described embodiments are some of the embodiments of the present invention, instead of all the embodiments,
It is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.The person that is not specified actual conditions in embodiment, carries out according to conventional conditions or manufacturer's recommended conditions.Agents useful for same or instrument
Production firm person is not specified, is the conventional products that can be obtained by commercially available purchase.
Embodiment 1
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
15 parts of anionic polyacrylamide (molecular weight 20,000,000), 15 parts of citric acid, 50 parts of potassium dihydrogen phosphate, ammonium sulfate 20
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 2
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
20 parts of anionic polyacrylamide (molecular weight 20,000,000), 20 parts of citric acid, 45 parts of potassium dihydrogen phosphate, ammonium sulfate 15
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 3
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
5 parts of anionic polyacrylamide (molecular weight 15,000,000), 20 parts of citric acid, 50 parts of potassium dihydrogen phosphate, ammonium sulfate 25
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 4
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
20 parts of anionic polyacrylamide (molecular weight 25,000,000), 5 parts of citric acid, 50 parts of potassium dihydrogen phosphate, ammonium sulfate 25
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 5
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
1 part of anionic polyacrylamide (molecular weight 22,000,000), 19 parts of citric acid, 55 parts of potassium dihydrogen phosphate, ammonium sulfate 25
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 6
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
19 parts of anionic polyacrylamide (molecular weight 18,000,000), 1 part of citric acid, 55 parts of potassium dihydrogen phosphate, ammonium sulfate 25
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 7
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
80 parts of anionic polyacrylamide (molecular weight 20,000,000), 10 parts of citric acid, 6.5 parts of potassium dihydrogen phosphate, ammonium sulfate
3.5 part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 8
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
10 parts of anionic polyacrylamide (molecular weight 20,000,000), 80 parts of citric acid, 6.5 parts of potassium dihydrogen phosphate, ammonium sulfate
3.5 part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 9
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
50 parts of anionic polyacrylamide (molecular weight 20,000,000), 10 parts of citric acid, 25 parts of potassium dihydrogen phosphate, ammonium sulfate 15
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 10
Nursery soil regulating acid agent described in the present embodiment is made of following component that counting in parts by weight：
10 parts of anionic polyacrylamide (molecular weight 20,000,000), 50 parts of citric acid, 25 parts of potassium dihydrogen phosphate, ammonium sulfate 15
Part.
The preparation method of the nursery soil regulating acid agent, includes the following steps：It weighs each component by above-mentioned dosage, by each group
Point mix mixing with to get to the nursery soil regulating acid agent.
Embodiment 11
A kind of method of administration of the nursery soil regulating acid agent is present embodiments provided, is included the following steps：By seedbed soil
Earth is uniformly mixed with the nursery soil regulating acid agent and mixes subsoil, watering.The dosage of the nursery soil regulating acid agent is 3-
3.5kg/100m2Nursery soil.
Nursery soil regulating acid agent is not such as mixed in nursery soil in nursery earthing, can soil be sprayed or be poured
Water, it is ensured that full stand seedling is prosperous, reduces the generation of crops seedling stage disease.The spraying or the method watered include：By the seedling
Bed soil earth regulating acid agent is dissolved in the water, and is sprayed or is watered to nursery soil；Wherein, the nursery soil regulating acid agent and water
Mass ratio is 1 ﹕ (40-60), preferably 1 ﹕ 50.Such as without using nursery soil regulating acid agent of the present invention, when seedbed pH is super
After crossing 5 or disease occur, pH value can be effectively reduced by the method for above-mentioned spraying or watering, alleviate disease.
Embodiment 12
A kind of method of administration of the nursery soil regulating acid agent is present embodiments provided, the nursery soil regulating acid agent is used for
Seed soaking, the nursery soil regulating acid agent is dissolved in the water, and is soaked seed, and has the function that sterilize vernalization；Wherein, the nursery soil
The mass ratio of regulating acid agent and water is 1 ﹕ 30.
Embodiment 13
A kind of method of administration of the nursery soil regulating acid agent is present embodiments provided, the nursery soil regulating acid agent is used for
Seed soaking, the nursery soil regulating acid agent is dissolved in the water, and is soaked seed, and has the function that sterilize vernalization；Wherein, the nursery soil
The mass ratio of regulating acid agent and water is 1 ﹕ 20.
Embodiment 14
A kind of method of administration of the nursery soil regulating acid agent is present embodiments provided, the nursery soil regulating acid agent is used for
Seed soaking, the nursery soil regulating acid agent is dissolved in the water, and is soaked seed, and has the function that sterilize vernalization；Wherein, the nursery soil
The mass ratio of regulating acid agent and water is 1 ﹕ 40.
Experimental example 1
In order to verify the long-term effect of nursery soil regulating acid agent of the present invention, by seedbed described in 1-10 of the embodiment of the present invention
Soil regulating acid agent mixes with nursery soil mix subsoil respectively, and after watering, the pH value of the same depth of soil is detected respectively every 10d,
Test result is shown in Table 1.
The pH value of the different time of the different nursery soil regulating acid agents of table 1
| 10d | 20d | 30d | 40d | 50d | 60d | 70d | 80d | 90d | 100d | |
| Embodiment 1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| Embodiment 2 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.0 | 4.9 | 5.0 |
| Embodiment 3 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 5.0 | 4.9 | 5.0 | 5.0 |
| Embodiment 4 | 5.0 | 5.0 | 5.0 | 5.1 | 5.0 | 5.0 | 5.0 | 5.1 | 5.0 | 5.0 |
| Embodiment 5 | 5.0 | 5.0 | 5.0 | 4.9 | 4.8 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 |
| Embodiment 6 | 5.0 | 5.0 | 5.0 | 5.1 | 5.2 | 5.2 | 5.1 | 5.0 | 5.0 | 5.0 |
| Embodiment 7 | 5.0 | 5.0 | 5.1 | 5.1 | 5.2 | 5.2 | 5.1 | 5.0 | 5.0 | 5.0 |
| Embodiment 8 | 5.0 | 5.0 | 4.9 | 4.8 | 4.7 | 4.7 | 4.8 | 4.9 | 5.0 | 5.0 |
| Embodiment 9 | 5.0 | 5.0 | 5.0 | 5.1 | 5.2 | 5.1 | 5.0 | 5.1 | 5.0 | 5.0 |
| Embodiment 10 | 5.0 | 5.0 | 5.0 | 4.9 | 4.8 | 4.9 | 5.0 | 4.9 | 5.0 | 5.0 |
Experimental example 2
For the performance parameter of the nursery soil regulating acid agent of comparative illustration embodiment of the present invention 1-10, by the seedling of each embodiment
Bed soil earth regulating acid agent is used for the nursery (seedling of the invention of the white rice of rice No. 8 by mixing subsoil method of administration described in embodiment 11
Bed soil earth regulating acid agent can be used for all kinds of happiness acid soil plants, including various rice, herein only to be illustrated for white rice No. 8), point
Nursery soil regulating acid agent that Shi Yong be described in same amount of embodiment 1-10, not use nursery soil tune acid of the present invention
Agent is compareed as blank group, and nursery result is tested and characterized, during testing seedling cultivation of rice, the same depth of 1d, 2d, 3d
The pH of soil, the results are shown in Table 2.
The nursery result of the different nursery soil regulating acid agents of table 2
| Seedling-growing time (d) | 1d soil pHs | 2d soil pHs | 3d soil pHs | Root system (item) | |
| Embodiment 1 | 2.5 | 5.0 | 5.0 | 5.0 | 23 |
| Embodiment 2 | 3 | 5.0 | 5.0 | 5.0 | 20 |
| Embodiment 3 | 3 | 5.0 | 5.0 | 5.0 | 20 |
| Embodiment 4 | 3 | 5.0 | 5.0 | 5.0 | 19 |
| Embodiment 5 | 3 | 5.0 | 5.0 | 5.0 | 18 |
| Embodiment 6 | 3 | 5.0 | 5.0 | 5.0 | 17 |
| Embodiment 7 | 3 | 5.0 | 5.0 | 5.0 | 17 |
| Embodiment 8 | 3 | 5.0 | 5.0 | 5.0 | 16 |
| Embodiment 9 | 3 | 5.0 | 5.0 | 5.0 | 16 |
| Embodiment 10 | 3 | 5.0 | 5.0 | 5.0 | 16 |
| Blank group | 4 | 6.5 | 6.8 | 7.2 | 10 |
When carrying out nursery to rice using the nursery soil regulating acid agent described in the present embodiment, there is no invaded rice seedlings by germ
Harmful situation, seedbed is disease-free, no dead seedling.
Experimental example 3
Disinfection when being used to soak seed for the nursery soil regulating acid agent of the comparative illustration present invention and vernalization effect, reference implementation
The method of example 12-14, the seed soaking (seedling of the invention of No. 8 rice paddy seeds of white rice is used for using soil regulating acid agent described in embodiment 1
Bed soil earth regulating acid agent can be used for the seed soaking of all kinds of happiness acid soil plants, including various rice, herein only to be said for white rice No. 8
It is bright), it is compareed using what is soaked seed without using nursery soil regulating acid agent as blank group, nursery is carried out to seed, test result is shown in Table 3.
The nursery result of the different seed soakings of table 3
| Seedling-growing time (d) | Extremely, viral seedling rate | |
| Embodiment 12 | 2.5 | 0% |
| Embodiment 13 | 2.5 | 0% |
| Embodiment 14 | 3 | 0% |
| Blank group | 4 | 20% |
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of nursery soil regulating acid agent, which is characterized in that be mainly made of following component that counting in parts by weight：
1-80 parts of polyacrylamide
1-80 parts of citric acid；
Preferably, the nursery soil regulating acid agent is mainly made of following component that counting in parts by weight：
5-50 parts of polyacrylamide
5-50 parts of citric acid.
2. nursery soil regulating acid agent according to claim 1, which is characterized in that the nursery soil regulating acid agent further includes fertilizer
Material；
Preferably, the fertilizer is nitrogen, phosphorus and potassium fertilizer；
Preferably, the nursery soil regulating acid agent includes 10-80 parts of the nitrogen, phosphorus and potassium fertilizer counted in parts by weight；
It is furthermore preferred that the nursery soil regulating acid agent includes 40-75 parts of the nitrogen, phosphorus and potassium fertilizer counted in parts by weight.
3. nursery soil regulating acid agent according to claim 1, which is characterized in that the nursery soil regulating acid agent, mainly by
The following component counted in parts by weight is made：
10-20 parts of polyacrylamide
10-20 parts of citric acid
60-75 parts of nitrogen, phosphorus and potassium fertilizer；
Preferably, the nursery soil regulating acid agent is mainly made of following component that counting in parts by weight：
15 parts of polyacrylamide
15 parts of citric acid
70 parts of nitrogen, phosphorus and potassium fertilizer.
4. according to claim 1-3 any one of them nursery soil regulating acid agents, which is characterized in that the polyacrylamide is the moon
Cationic polyacrylamide；
Preferably, the number-average molecular weight of the polyacrylamide is 15,000,000-2,500 ten thousand；
It is furthermore preferred that the number-average molecular weight of the polyacrylamide is 18,000,000-2,200 ten thousand.
5. nursery soil regulating acid agent according to claim 3, which is characterized in that the nitrogen, phosphorus and potassium fertilizer includes potassium dihydrogen phosphate
And ammonium sulfate.
6. nursery soil regulating acid agent according to claim 5, which is characterized in that the matter of the potassium dihydrogen phosphate and ammonium sulfate
Amount is than being (4-6) ﹕ (1-3)；
Preferably, the mass ratio of the potassium dihydrogen phosphate and ammonium sulfate is 5 ﹕ 2.
7. the preparation method of claim 1-6 any one of them nursery soil regulating acid agents, which is characterized in that including walking as follows
Suddenly：
Each component is mixed and is mixed uniformly to get to the nursery soil regulating acid agent.
8. application of the claim 1-6 any one of them nursery soil regulating acid agents in liking acid soil plant nursery；
Preferably, the happiness acid soil plant includes rice.
9. the application of nursery soil regulating acid agent according to claim 8, which is characterized in that the application, including walk as follows
Suddenly：Nursery soil is uniformly mixed with the nursery soil regulating acid agent and mixes subsoil, watering；
Preferably, the dosage of the nursery soil regulating acid agent is 3-3.5kg/100m2Nursery soil.
10. the application of nursery soil regulating acid agent according to claim 8, which is characterized in that by nursery soil tune acid
Agent is dissolved in the water, and is sprayed or is watered to nursery soil, or soaks seed to seed；
When preferably, for spraying or watering, the mass ratio of the nursery soil regulating acid agent and water is 1 ﹕ (40-60)；
When preferably, for soaking seed, the mass ratio of the nursery soil regulating acid agent and water is 1 ﹕ (20-40).
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| CN109265297A (en) * | 2018-11-20 | 2019-01-25 | 代彦霞 | A kind of basic soil repair materials and preparation method thereof |
| CN110963854A (en) * | 2019-12-12 | 2020-04-07 | 南京百阳垦生物技术有限责任公司 | Slow-release functional urea fertilizer and preparation method and application thereof |
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