CN110092696A - A kind of biostimulant and preparation method thereof and the application in conditioning acid soil - Google Patents
A kind of biostimulant and preparation method thereof and the application in conditioning acid soil Download PDFInfo
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- CN110092696A CN110092696A CN201910421032.1A CN201910421032A CN110092696A CN 110092696 A CN110092696 A CN 110092696A CN 201910421032 A CN201910421032 A CN 201910421032A CN 110092696 A CN110092696 A CN 110092696A
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- biostimulant
- soil
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- humic acid
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides a kind of biostimulants and preparation method thereof and the application in conditioning acid soil, are related to agricultural biotechnologies and fertilizer field.Biostimulant provided by the invention includes the component of following mass fraction: 600~700 parts of stalk extract liquor, 80~100 parts of potassium fulvate, 25~50 parts of potassium hydroxide, 50~60 parts of phosphoric acid, 100~150 parts of ammonium polyphosphate, modified 40~80 parts of humic acid, 100~150 parts of urea.The present invention is based on the theoretical knowledges of crop biological physiology chemistry to greatly strengthen the stability of element in preparation using modified humic acid and Fulvic acid potassium chelating；Soil pH is improved by addition stalk extract liquor, enhances soil buffer performance, improves Cation Exchange Capacity in Soils；It adds ammonium polyphosphate and increases fertilizer stability and cushion performance, P elements are provided；It adds modified humic acid and stalk extract liquor also can increase soil organic matter content, improve soil texture, promote plant growth.
Description
Technical field
The present invention relates to agricultural biotechnologies and technical field of fertilizers, in particular to a kind of biostimulant and its preparation side
Method and the application in conditioning acid soil.
Background technique
Soil acidification refer to soil pH value constantly reduce, the ever-increasing process of soil exchangeable acid, it be with soil send out
Raw and development a natural process, mainly generates hydrogen ion (H by carbonic acid and organic acid dissociation+) driving.The spy of soil acidification
Point is the heavy metal ion in activating soil, reduces soil nutrient availability to accelerate nutrient loss, declines fertility, unfavorable
In plant growth.Soil acidification produces agriculture and forestry and ecological environment will cause serious harm, and it is imperative that acidified soil is administered.
China's acid soil area is also constantly expanding, and the area of strongly acidic soil the 1980s (pH value < 5.5) is about 1.69 hundred million
Mu has increased to 2.26 hundred million mu at the beginning of 21 century.The acidified normal growth for not only seriously affecting plant of soil is also to ecological environment
Potential threat is constituted, therefore acidified soil effectively administer and is important ecological engineering, energy is produced to China's arable land farming
The guarantee of the promotion of power, the increase of quantity of cultivated land, national food security all has significance.
At present the mode of ameliorating of acid soil mainly have fertilization compositions based on earth measurement, Optimization Planting system, increase high-quality organic fertilizer,
Straw-returning and biological modification etc..Studies have shown that plantation gram khuskhus 3 or five years after soil in important nutrient
It increases considerably, and as Planting Years increase, soil fertility amplification is bigger.Earthworm can pass through organic matter in feeding soil
The wormcast generated after material is substantially reduced soil aciditiy, promotes absorption of the root system to nutrient.To the cigarette of chronic administration chemical fertilizer, it applies
The quantity of Soil Microorganism can be improved with wheat and corn stover.Butch clover is planted in orcharding can efficiently improve soil
The content of organic matter, infertile field fertile soil realize that the breeding in soil combines, and increase income to fruit industry production abridged edition and upgrading synergy has important meaning
Justice.But these modification methods are complex, are not easy to implement and usually the improvement period is longer.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of biostimulant and preparation method thereof and in conditioning acid soil
Application in earth.Biostimulant provided by the invention can effectively improve acid soil, improve soil pH value, and application side
Just, quick.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
A kind of biostimulant, the component including following mass fraction:
Preferably, the pH value of the stalk extract liquor is 9.5~10；The content of organic matter is 50 in the stalk extract liquor
~60g/L, the content of humic acid are 30~40g/L.
Preferably, the preparation method of the modified humic acid is the following steps are included: alkaline matter and humic acid are mixed
It closes, obtains modified humic acid.
Preferably, the alkaline matter is potassium hydroxide；The mass ratio of the alkaline matter and humic acid is 1~3:1.
Preferably, in the biostimulant humic acid mass fraction >=3%.
Preferably, the pH value of the biostimulant is 2.5~9.8.
The present invention provides the preparation methods of biostimulant described in above scheme, comprising the following steps:
(1) stalk extract liquor, potassium fulvate, modified humic acid and potassium hydroxide are mixed and carries out the first chelatropic reaction, obtained
To the first reaction solution；
(2) first reaction solution and phosphoric acid, ammonium polyphosphate are mixed and carries out the second chelatropic reaction, obtain the second reaction
Liquid；
(3) second reaction solution and urea are mixed, obtains biostimulant.
Preferably, the time of the first chelatropic reaction is 0.5~2h in the step (1)；Second chelating in the step (2)
The time of reaction is 0.1~2h；The time mixed in the step (3) is 10~15min.
Preferably, step (1)~(3) carry out under agitation, and the revolving speed of the stirring independently is 60~
80r/min。
The present invention provides application of the biostimulant described in above scheme in conditioning acid soil.
The present invention provides a kind of biostimulant, the component including following mass fraction: stalk extract liquor 600~700
Part, 80~100 parts of potassium fulvate, 25~50 parts of potassium hydroxide, 50~60 parts of phosphoric acid, 100~150 parts of ammonium polyphosphate, modified corruption
Grow 40~80 parts, 100~150 parts of urea of acid.The present invention is based on the theoretical knowledges of crop biological physiology chemistry, using modified humic
It is sour and fulvic acid chelated, greatly strengthen the stability of element in preparation；Soil pH, enhancing are improved by addition stalk extract liquor
Soil buffer performance improves Cation Exchange Capacity in Soils；Increase fertilizer stability and cushion performance by addition ammonium polyphosphate, and
P elements are provided；And it adds modified humic acid and stalk extract liquor also can increase soil organic matter content, improve soil texture,
Promote plant growth；The present invention passes through the reasonable compounding of Multicomponent, and obtained biostimulant can effectively improve acid soil
Earth, and good dispersion, it is quick, it is easy to be absorbed by crops utilization.Embodiment the result shows that, dilution this biostimulant 800
Times, in the case that field capacity is 100%, biostimulant of the invention is applied after 15 days, the pH value of acidified soil can
5.0 or so are risen to from 4.4, exchange potassium content can rise to 235g/kg or more.
Detailed description of the invention
Fig. 1 is influence of the biostimulant of the preparation of embodiment 1 to acidified soil pH value；
Fig. 2 is influence of the biostimulant of the preparation of embodiment 1 to acidified soil exchangeable potassium content.
Specific embodiment
The present invention provides a kind of biostimulant, the component including following mass fraction:
Unless otherwise specified, the source for the specific raw material that the present invention uses the biostimulant without particular/special requirement,
Using commercial goods well-known to those skilled in the art.
Biostimulant provided by the invention includes 600~700 parts of stalk extract liquor, preferably 620~680 parts, more excellent
It is selected as 650 parts.In the present invention, the pH value of the stalk extract liquor is preferably 9.5~10, and more preferably 9.6~9.8；It is described
The content of organic matter is preferably 50~60g/L in stalk extract liquor, more preferably 55~59.5g/L, most preferably 59.03g/L；
The content of humic acid is preferably 30~40g/L in the stalk extract liquor, more preferably 32~38g/L, most preferably 34g/L.
In the present invention, the stalk extract liquor is to utilize biofermentation and high temperature using agricultural wastes straw as raw material
The technique that boiling extraction phase combines extracts the by-product after the substances such as cellulose, lignin, is black liquor；The stalk extraction
Liquid is a kind of degradable organic acid distilled by plant, containing about 200 Multiple components such as humic acid, iron, manganese, copper, zinc, hair
Bright people can improve the physical property of soil the study found that stalk extract liquor fills the formation for imposing on after soil and being conducive to aggregate,
Stalk extract liquor is administered simultaneously, soil pH value is adjusted, improves the content of the soil organism and available phosphorus；Improving acidification soil
While earth physics and chemical property, application stalk extract liquor can significantly affect micro organism quantity and edaphon and utilize carbon
The ability and metabolic activity in source.For the present invention to the source of stalk extract liquor without particular/special requirement, directly purchase meets above scheme institute
State the stalk extract liquor of requirement.
On the basis of the mass fraction of the stalk extract liquor, biostimulant provided by the invention includes potassium fulvate 80
~100 parts, preferably 83~87 parts, more preferably 85 parts.In the present invention, the potassium fulvate can adsorption activation mineral support
Point.
On the basis of the mass fraction of the stalk extract liquor, biostimulant provided by the invention includes potassium hydroxide 25
~50 parts, preferably 30~45 parts, more preferably 35~40 parts.In the present invention, the potassium hydroxide, which has, improves soil pH
The effect of value, and potassium ion can be provided for soil.
On the basis of the mass fraction of the stalk extract liquor, biostimulant provided by the invention includes phosphoric acid 50~60
Part, preferably 52~58 parts, more preferably 55 parts.In the present invention, the phosphoric acid is the main of P elements in biostimulant
Source, and the addition of phosphoric acid can also neutralize the pH value of the strong alkaline substances such as stalk extract liquor, avoid the pH for making biostimulant
It is worth the validity of growth and soil nutrient excessively high and that influence crop.
On the basis of the mass fraction of the stalk extract liquor, biostimulant provided by the invention includes ammonium polyphosphate
100~150 parts, preferably 110~140 parts, more preferably 120~130 parts.In the present invention, the ammonium polyphosphate plays life
The effect of object surfactant can increase fertilizer stability and cushion performance, and provide P elements.
On the basis of the mass fraction of the stalk extract liquor, biostimulant provided by the invention includes modified humic acid
40~80 parts, preferably 50~70 parts, more preferably 60 parts.
In the present invention, the preparation method of the modified humic acid preferably includes following steps: by alkaline matter and humic
Acid is mixed, and modified humic acid is obtained；In the present invention, the alkaline matter is preferably potassium hydroxide；The alkaline matter
Mass ratio with humic acid is preferably 1~3:1, more preferably 1~2:1；In a specific embodiment of the present invention, preferably first by alkali
Property substance is dissolved in the stalk extract liquor of part, then humic acid is slowly added in alkaline substance solution, and the present invention is to described molten
The dosage for solving the stalk extract liquor of alkaline matter does not have particular/special requirement, can guarantee for alkaline matter to be completely dissolved；This
Invention is modified humic acid using alkaline matter, modified humic acid have its primary characteristic on the basis of be easier to
Other raw materials mixing in biostimulant.
The present invention greatly enhances the stabilization of each element in biostimulant using modified humic acid and Fulvic acid potassium chelating
Property, and the addition of modified humic acid can increase the content of the soil organism, improve soil texture.
On the basis of the mass fraction of the stalk extract liquor, biostimulant provided by the invention include urea 100~
150 parts, preferably 110~130 parts, more preferably 115~120 parts.In the present invention, the urea can provide nitrogen for soil
Source.
In the present invention, in the biostimulant humic acid content preferably >=3%, more preferably 3.5~6%；Institute
The humic acid in biostimulant is stated from stalk extract liquor and modified humic acid, biostimulant of the invention has higher
Content of humic acid, help to improve buffering power of soil, improve soil texture.
The present invention will have the alkaline organics such as the stalk extract liquor for improving soil pH, and with dispersed, sequestering
Ammonium polyphosphate and other elements chelate, and are equipped with the modification humic acid that can enhance soil buffer performance, are configured to functional biological thorn
Hormone, the biostimulant can effectively improve soil pH value, improve buffering power of soil, improve soil texture, and it is quick, point
It is good to dissipate property, is easy to be absorbed by crops.
The present invention provides the preparation methods of biostimulant described in above scheme, comprising the following steps:
(1) stalk extract liquor, potassium fulvate, modified humic acid and potassium hydroxide are mixed and carries out the first chelatropic reaction, obtained
To the first reaction solution；
(2) first reaction solution and phosphoric acid, ammonium polyphosphate are mixed and carries out the second chelatropic reaction, obtain the second reaction
Liquid；
(3) second reaction solution and urea are mixed, obtains biostimulant.
In the present invention, the time of first chelatropic reaction is preferably 0.5~2h, more preferably 1~1.5h；The present invention
It is preferred that carrying out the first chelatropic reaction in a kettle；In a specific embodiment of the present invention, preferably first stalk extract liquor is put into
It is stirred in reaction kettle, stalk then is added in the potassium fulvate, modified humic acid and potassium hydroxide under stirring
In extract liquor.During the first chelatropic reaction, potassium fulvate and modified humic acid are chelated, and increase the content of aggregate,
And potassium is adsorbed on and is formed by aggregate, increase the validity of potassium element in fertilizer, and be next step phosphoric acid, ammonium polyphosphate
Chelating lay the groundwork.
In the present invention, the time of second chelatropic reaction is preferably 0.1~2h, more preferably 0.5~1h；The present invention
It is stirred it is preferred that directly putting into the phosphoric acid and ammonium polyphosphate in the first reaction solution；During the second chelatropic reaction, instead
The aggregate in liquid is answered to absorb P elements, while during the addition of phosphoric acid can play the strong alkaline substances such as stalk extract liquor
And effect, reduce the pH value of biostimulant.
In the present invention, the time of second reaction solution and urea mixing is preferably 10~15min, more preferably 12~
13min。
In the present invention, step (1)~(3) carry out under agitation, and the revolving speed of the stirring is independently excellent
It is selected as 60~80r/min, more preferably 70r/min.
The present invention provides application of the biostimulant described in above scheme in conditioning acid soil.In the present invention,
800~1000 times of dilution that use of water is preferred when the biostimulant is applied, more preferably dilutes 850~950 times；It is actually using
In, with application is irrigated, the specific dosage of biostimulant is preferably determined according to field capacity for the biostimulant.
Scheme provided by the invention is described in detail below with reference to embodiment, but they cannot be interpreted as pair
The restriction of the scope of the present invention.
Embodiment 1
The biostimulant of the present embodiment includes the component of following mass fraction: 700 parts of stalk extract liquor, potassium fulvate 80
Part, 25 parts of potassium hydroxide, 50 parts of phosphoric acid, 100 parts of ammonium polyphosphate, modified 40 parts of humic acid, 100 parts of urea, wherein stalk extracts
The pH value of liquid is 9.5, and the content of organic matter is 59.03g/L in stalk extract liquor, the content of humic acid is 34g/L；The biology
Content of humic acid >=50g/L of stimulin.
The preparation step of biostimulant is as follows:
Will stalk extract liquor metering after put into reaction kettle, start to stir, revolving speed 70r/min, then be added potassium fulvate,
Modified humic acid, potassium hydroxide chelatropic reaction 1h；Then phosphoric acid, ammonium polyphosphate is added, continues chelatropic reaction 1 hour；Then plus
Enter urea, is stirred 15 minutes, obtains biostimulant.
Simulating lab test:
Using simulation laboratory test, effect of the prepared biostimulant in acid soil improvement is verified.Test according to
60%, 80%, 100% 3 irrigation gradient is set according to water-retaining quantity among field of soil, the specific steps are as follows: quantitatively weigh uniformly mixed
Acid soil in small flowerpot, apply by water-fertilizer integral irrigation equipment by biostimulant (dilution 800 times) is quantitative
Into soil, moisture determination frequency is 2 days 1 time, is irrigated after the completion of moisture determination according to measurement water content, will be native
Earth water content is respectively maintained in 60%, 80%, 100% range.Different Irrigation gradient season for irrigaton is identical.It is sampled before irrigating
Carry out soil root system measurement.
Acquired results are as shown in Fig. 1~2.
Fig. 1 is influence of the different biostimulant additive amounts to acidified soil pH.Test result shows different biostimulations
Plain additive amount has facilitation to acidified soil pH.Water content is 100% processing pH value of field capacity greater than aqueous
Amount is 80% processing of field capacity.The acidified soil pH of different moisture content is in the increase of biostimulant additive amount
Ascendant trend.Different irrigation processing soil pH increase at any time, the increase of biostimulant total amount of adding and increase.Irrigation quantity
Under conditions of field capacity 80%, influence of the biostimulant to acidified soil pH is more stable compared with other two kinds processing.It is comprehensive
From the point of view of closing, biostimulant obtained by the present embodiment helps to improve acidified soil pH, the pH value energy of soil after processing 15 days
Enough reach 5.0 or so, quick result.
Fig. 2 is influence of the different biostimulant additive amounts to acidified soil exchangeable potassium content.It can see according to fig. 2
Out, the content of exchangeable potassium increases with the increase of biostimulant amount of application in acidified soil, and as the time increases, soil
Middle exchangeable potassium content also gradually increases.Illustrate that the exchange of soil cation can be improved in biostimulant manufactured in the present embodiment
Amount enhances soil buffer performance.
Embodiment 2
Other conditions and embodiment 1 are identical, are only changed to the mass fraction of each component: 600 parts of stalk extract liquor, fulvic acid
100 parts of potassium, 50 parts of potassium hydroxide, 60 parts of phosphoric acid, 150 parts of ammonium polyphosphate, modified 80 parts of humic acid, 120 parts of urea.
Embodiment 3
Other conditions and embodiment 1 are identical, are only changed to the mass fraction of each component: 650 parts of stalk extract liquor, fulvic acid
85 parts of potassium, 30 parts of potassium hydroxide, 52 parts of phosphoric acid, 110 parts of ammonium polyphosphate, modified 45 parts of humic acid, 150 parts of urea.
Simulating lab test, gained knot are carried out to the biostimulant that embodiment 2~3 obtains according to the method for embodiment 1
Fruit and embodiment 1 are similar.
According to above embodiments as can be seen that biostimulant provided by the invention can quickly and effectively improve acid soil
Earth improves soil pH value, improves the content of exchange cation in soil, and easy to use, has broad application prospects.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of biostimulant, which is characterized in that the component including following mass fraction:
2. biostimulant according to claim 1, which is characterized in that the pH value of the stalk extract liquor is 9.5~10；
The content of organic matter is 50~60g/L in the stalk extract liquor, and the content of humic acid is 30~40g/L.
3. biostimulant according to claim 1, which is characterized in that the preparation method of the modified humic acid include with
Lower step: alkaline matter and humic acid are mixed, and obtain modified humic acid.
4. biostimulant according to claim 3, which is characterized in that the alkaline matter is potassium hydroxide；The alkali
Property substance and humic acid mass ratio be 1~3:1.
5. biostimulant described in any one according to claim 1~4, which is characterized in that rotten in the biostimulant
Grow mass fraction >=3% of acid.
6. the preparation method of biostimulant described in Claims 1 to 5 any one, comprising the following steps:
(1) stalk extract liquor, potassium fulvate, modified humic acid and potassium hydroxide are mixed and carries out the first chelatropic reaction, obtain the
One reaction solution；
(2) first reaction solution and phosphoric acid, ammonium polyphosphate are mixed and carries out the second chelatropic reaction, obtain the second reaction solution；
(3) second reaction solution and urea are mixed, obtains biostimulant.
7. preparation method according to claim 6, which is characterized in that the time of the first chelatropic reaction in the step (1)
For 0.5~2h；The time of the second chelatropic reaction is 0.1~2h in the step (2)；The time of mixing is in the step (3)
10~15min.
8. preparation method according to claim 6 or 7, which is characterized in that step (1)~(3) are in stirring condition
Lower progress, the revolving speed of the stirring independently are 60~80r/min.
9. application of the biostimulant described in Claims 1 to 5 any one in conditioning acid soil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910421032.1A CN110092696A (en) | 2019-05-20 | 2019-05-20 | A kind of biostimulant and preparation method thereof and the application in conditioning acid soil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910421032.1A CN110092696A (en) | 2019-05-20 | 2019-05-20 | A kind of biostimulant and preparation method thereof and the application in conditioning acid soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028694A (en) * | 2020-09-21 | 2020-12-04 | 河南鄂中肥业有限公司 | Special compound microbial fertilizer for garlic with effects of strengthening seedlings and promoting roots and preparation method thereof |
-
2019
- 2019-05-20 CN CN201910421032.1A patent/CN110092696A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028694A (en) * | 2020-09-21 | 2020-12-04 | 河南鄂中肥业有限公司 | Special compound microbial fertilizer for garlic with effects of strengthening seedlings and promoting roots and preparation method thereof |
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Application publication date: 20190806 |