CN109400391A - A kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop - Google Patents
A kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop Download PDFInfo
- Publication number
- CN109400391A CN109400391A CN201811610189.0A CN201811610189A CN109400391A CN 109400391 A CN109400391 A CN 109400391A CN 201811610189 A CN201811610189 A CN 201811610189A CN 109400391 A CN109400391 A CN 109400391A
- Authority
- CN
- China
- Prior art keywords
- parts
- potash fertilizer
- humic acid
- fertilizer
- coated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/02—Fertilisers containing other nitrates containing sodium or potassium nitrate
-
- 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
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop, in parts by weight include following components: 50-200 parts of Polymer coated urea, 50-200 parts of polymer sulphur coating membrane urea, 100-200 parts of coated with resin potash fertilizer, 200-300 parts of humic acid potassium silicon-calcium-magnesium, 300-400 parts of humic acid complex fertilizer masterbatch.The fertilizer can be achieved at the same time the precision control release of nitrogen and potassium, and single-dose application is able to satisfy demand of the crop in different growing to nitrogen, potassium, significantly improves crop yield and utilization rate of fertilizer.It is rich in the middle and trace elements such as humic acid and calcium activated, magnesium, silicon simultaneously, crop quality can be increased substantially, resist pest and disease damage and improvement soil, alleviate soil acidification, salination and hardened.
Description
Technical field
The present invention relates to release and release control fertilizer production technical fields, and in particular to a kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer of crop
Material.
Background technique
Applying chemical fertilizer is one of the important means of crop yield, but China's fertilizer amount is excessive at present, and is in increase year by year
Trend, annual growth are more than 5%.With the undergrounds such as potato, sweet potato, peanut, garlic, ginger, round onions, Radix Salviae Miltiorrhizae root tuber, tubers
For crop, unit area fertilizer amount is more than 400kg/hm2.According to statistics, China's utilization rate of nitrogen fertilizer 25% or so, phosphate fertilizer utilize
Rate 15% or so, potassium utilization rate 40% or so, there is no with change using the yield per unit area of crop is caused for the blindness of chemical fertilizer
The increase of fertile dosage and increase on year-on-year basis, cause fertilizer to utilize and waste in vain instead, while also leading to soil acidification, Secondary salinization
Change, is hardened etc..For high-yield and high-efficiency and the practicing " arriving the year two thousand twenty fertilizer application amount zero growth rate action scheme " for realizing crop, development is made
Object special utility fertilizer is particularly important.
Longer for breeding time, dose is big, the crop of top dressing difficulty, and slow-release or control-release fertilizer can realize nutrient slow release and make
Object needs fertilizer synchronous, has many advantages, such as environmental protection, saving of labor, section fertilizer, synergy, is the new-type fertilizer for meeting agricultural sustainable development.But it is slow
There are three major issues for the utilization of Controlled Release Fertilizer, first is that for undergrounds blocks such as potato, sweet potato, peanut, garlic, ginger, round onions, Radix Salviae Miltiorrhizaes
Root, tuber crops need to control nitrogen, and with greater need for control potassium, and Controlled Release Fertilizer focuses mostly on Controlled Release Nitrogen Fertilizer at present, and acquisition time is more
It is single；For controlled-release fertilizer because its particle surface is excessively coarse, coating is difficult, and acquisition time is difficult to control.Second is that because crop is to nutrient
Demand type and period differ greatly, and nutrient formula, controlled release nutrients type and the controlled release period of Different Crop have unique requirements,
The agricultural application out-focus crop of slow-release or control-release fertilizer, it is difficult to form crop control released fertilizer special；Third is that middle microelement missing, lacks
The addition of the functional substances such as growth-promoting, synergy.
Summary of the invention
For the above-mentioned prior art, the object of the present invention is to provide a kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop.
Fertilizer of the invention contains coated release-controlled nitrogenous fertilizer and potash fertilizer, can precision control release nitrogen and potassium, realize fertilizer nutrient release
It is synchronous with crop nutrition content demand, reduce fertilising dosage and top dressing number；And supplement the core component of the soil organism
Microelement in " humic acid " and calcium and magnesium silicon etc., nutrient balance；Have the function of alleviating soil acidification, salination and hardened.
To achieve the above object, the present invention adopts the following technical scheme:
The first aspect of the present invention provides a kind of coated with resin potash fertilizer coating agent, including the first coating agent being used cooperatively
With the second coating agent；
First coating agent is prepared by the following method:
By weight it is 1:(0.05-0.1 by polyurethane and 4- hydroxy benzene sulfonic acid) mixing, it is emulsified in 70-80 DEG C of condition,
Obtain A liquid；
Be added nano silica into A liquid, the additional amount of the nano silica be A liquid weight 0.5 ‰~
1 ‰, obtain B liquid；
By weight it is 1:(0.4-0.8 by B liquid and castor oil) mixing, obtain the first coating agent；
Second coating agent is the paraffin of fusing；
Preferably, the polyurethane is polyether polyurethane diacrylate.
The second aspect of the present invention provides application of the above-mentioned coated with resin potash fertilizer coating agent in production controlled-release fertilizer.
The third aspect of the present invention provides a kind of coated with resin potash fertilizer, is prepared by the following method:
Potash fertilizer is preheated to 60-70 DEG C, the first coating agent of potash fertilizer weight 0.7-1.5% is added, rotary drum coating 15-20 divides
Clock；Add the second coating agent of potash fertilizer weight 1.0-3.5%, rotary drum coating 10-15 minutes；Finally add potash fertilizer weight
The first coating agent of 0.3-1.0%, it is rotary drum coating 15-20 minutes, cooling to get coated with resin potash fertilizer.
Preferably, the revolving speed of rotary drum coating is 30-40r/min, and reaction temperature is controlled at 70-85 DEG C.
Preferably, the potash fertilizer includes: one of potassium chloride, potassium sulfate or potassium nitrate or a variety of.It is furthermore preferred that described
Potash fertilizer is rounded grain product.
Coated with resin potash fertilizer prepared by the present invention, K2O content be 52%~56%, polymer quality score 2%-6%,
The controlled release phase is 2-4 months.(" the polymer quality score " refers to: in coated with resin potash fertilizer, the coated with resin potassium that is added
Fertilizer coating agent accounts for the mass percent of potash fertilizer.)
The fourth aspect of the present invention provides above-mentioned coated with resin potash fertilizer in the production dedicated humic acid type Controlled-release nitrogen potash fertilizer of crop
Application in material.
The fifth aspect of the present invention provides a kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop, includes in parts by weight
Following components:
50-200 parts of Polymer coated urea, 50-200 parts of polymer sulfur-coated urea, coated with resin potash fertilizer 100-200
Part, 200-300 parts of humic acid potassium silicon-calcium-magnesium, 300-400 parts of humic acid complex fertilizer masterbatch.
Wherein, the nitrogen content of the Polymer coated urea is 40-44%, and the controlled release phase is 2-4 months.
The nitrogen content of the polymer sulfur-coated urea is 33-39%, and the controlled release phase is 1-3 months.
The Polymer coated urea and polymer sulfur-coated urea (trade name) are that Shandong agricultural university fertilizer industry science and technology is limited
The product of company's production.
The coated with resin potash fertilizer is the coated with resin potash fertilizer of third aspect present invention.
The humic acid potassium calcium silicon magnesium is to be prepared by the following method:
By 210 parts of plant ash, 218 parts of calcium powder, 280 parts of potassium sulfate, 120 parts of epsom salt, 50 parts of humic acid, humic acid
50 parts of potassium, 70 parts of white lime, 2 parts of chelating type microelement (IDS) mixing, are granulated, it is dry to get.
IDS is purchased from the chemical inc Shandong Yuan Lian, four sodium of trade name iminodisuccinic acid.
Nutrient (mass fraction) in the humic acid potassium calcium silicon magnesium is K2O 15%；CaO 13.0%；MgO
5.0%；SiO21.5%；Activate humic acid 4.0%.
The humic acid complex fertilizer masterbatch is to be prepared by the following method:
By 50-200 parts of urea, 200-450 parts of Diammonium phosphate (DAP), 100-300 parts of potassium sulfate, 100-200 parts of ammonium hydrogen carbonate, corruption
80-150 parts of phytic acid mixing, roller are granulated, it is dry to get.
The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of the invention, in which: a large amount of nutrient element N-P2O5-K2O=10%
~20%:5%~15%:10%~21%, middle amount nutrient element calcium (in terms of CaO) 1%~5%, magnesium (in terms of MgO) 0.5%
~2%, sulphur 2%~7%, micro-nutrient element boron 0.05%~0.1%, silicon is (with SiO2Meter) 0.1%~0.5%, activation is rotten
Phytic acid content 1%~3%.
The sixth aspect of the present invention provides the preparation method of the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of above-mentioned crop, including
Following steps:
By Polymer coated urea, polymer sulfur-coated urea, coated with resin potash fertilizer, humic acid potassium silicon-calcium-magnesium, humic acid
Compound fertilizer's masterbatch by weight be uniformly mixed to get.
The seventh aspect of the present invention, provide the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of above-mentioned crop underground tubers and/
Or the application in root crop plantation.
Preferably, the underground tubers and/or root crop include: potato, sweet potato, peanut, garlic, ginger,
Round onions and Radix Salviae Miltiorrhizae.
Beneficial effects of the present invention:
The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of the invention be regulation of fertilizer requirement based on crop, cropping pattern and
Soil quality situation, proposition it is a kind of for the accurate controlled release of nutrient, the fertilizer of crop yield upgrading and soil improvement, have such as
It is lower the utility model has the advantages that
(1) the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of the invention can be realized the accurate release of nitrogen potassium, Controlled-release nitrogen
According to crop regulation of fertilizer requirement, the Controlled-release nitrogen potash fertilizer for regulating and controlling different acquisition times and different adding proportions meets crop and entirely gives birth to potash fertilizer
The nutrient demand of phase, realization exempts to chase after, time saving, laborsaving.
(2) production method that the present invention has innovated coated with resin potash fertilizer, has screened the curing agent 4- hydroxy benzenes sulphur of polymer
Acid and the nano-silicon dioxide modified polymer of addition, the controlled release properties after improving granular potash fertilizer coating reduce the use of coated fertilizer
Amount, realizes the precision control release of potash fertilizer.
(3) humic acid, a large amount of nutrient elements, middle microelement are combined and are optimized by the present invention, are supported in supply crop
On the basis of point, microelement in core component " humic acid " and calcium and magnesium silicon supplemented with the soil organism etc., nutrient balance, together
When, for because plantation throughout the year and fertilising it is excessive caused by soil acidification, secondary salinization, hardened be significantly improved.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
As background technology part introduction, for undergrounds such as potato, sweet potato, peanut, garlic, ginger, round onions, Radix Salviae Miltiorrhizaes
Root tuber, tuber crops need to control nitrogen, with greater need for control potassium, and at present Controlled Release Fertilizer focus mostly on Controlled Release Nitrogen Fertilizer, and acquisition time compared with
It is single；Potash fertilizer is highly soluble in water, is easy to outflow with water because its activity is high, and potassium fertilizer particle surface is excessively coarse in addition, and coating is tired
Difficulty, acquisition time are difficult to control.Therefore, the research in relation to coating potash fertilizer at present is seldom, and is of limited application.
Based on this, the present invention has researched and developed a kind of coated with resin potash fertilizer first.In one embodiment of the present invention,
The coated with resin potash fertilizer is prepared by the following method:
(1) by weight it is 1:(0.05-0.1 by polyurethane and 4- hydroxy benzene sulfonic acid) mixing, it is newborn under the conditions of 70-80 DEG C
Change, obtains A liquid；Be added nano silica into A liquid, the additional amount of the nano silica be A liquid weight 0.5 ‰~
1 ‰, obtain B liquid；By weight it is 1:(0.4-0.8 by B liquid and castor oil) mixing, obtain the first coating agent；
By melted paraffin wax, the second coating agent is obtained.
(2) potash fertilizer is preheated to 60-70 DEG C, the first coating agent of potash fertilizer weight 0.7-1.5%, rotary drum coating 15- is added
20 minutes；Add the second coating agent of potash fertilizer weight 1.0-3.5%, rotary drum coating 10-15 minutes；Finally add potash fertilizer weight
The first coating agent of 0.3-1.0% is measured, it is rotary drum coating 15-20 minutes, cooling to get coated with resin potash fertilizer.
The present invention has innovated the preparation method of coated with resin potash fertilizer, in the design process of coating agent raw material components, this hair
The bright material combination for having screened different polymer and curing agent, as a result, it has been found that using polyurethane as polymer, 4- hydroxy benzenes sulphur
Acid is used as curing agent, and a combination thereof effect is more excellent；It adds suitable nano silica again on this basis to be modified, be changed
Property polymer, compounds polymer-modified with castor oil, as the first coating agent, using the paraffin of fusing as the second coating agent,
First coating agent and the second coating agent are used cooperatively, the controlled release properties after granular potash fertilizer coating can be significantly improved, reduce packet
The dosage of membrane material realizes the precision control release of potash fertilizer.
In addition, in the preparation process of coated with resin potash fertilizer, the method that the present invention uses coating three times, successively by the first coating
Agent, the second coating agent and the first coating agent are coated in potassium fertilizer particle outer surface, can form one in the intermediate of potash fertilizer coating in this way
Layer wax layer reduces outflowing with water for nutrient potassium as waterproof layer；Coating twice and control coating by the first coating agent
The dosage of agent, can be with the acquisition time of Effective Regulation potash fertilizer, for use in the crop that growth period is different.
Demand type and period due to crop to nutrient differ greatly, the nutrient formula of Different Crop, controlled release nutrients class
Type and controlled release period have unique requirements, the agricultural application out-focus crop of slow-release or control-release fertilizer, it is difficult to form crop special-purpose control-release fertilizer
Material.
Therefore, on the basis of coated with resin potash fertilizer, the present invention further provides a kind of dedicated humic acid type of crop
Controlled-release nitrogen potash fertilizer material includes following components in parts by weight:
50-200 parts of Polymer coated urea, 50-200 parts of polymer sulfur-coated urea, coated with resin potash fertilizer 100-200
Part, 200-300 parts of humic acid potassium silicon-calcium-magnesium, 300-400 parts of humic acid complex fertilizer masterbatch.
Wherein, Polymer coated urea and polymer sulfur-coated urea be existing commercial product (it should be noted that
The product name of the said goods may be different, such as: " polymer sulfur-coated urea " also has referred to as " sulphur coating urine
Element ").
In the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of the invention, each raw material component is an organic whole, is lacked
One can not, between raw material have collaboration facilitation.Wherein, Polymer coated urea, polymer sulfur-coated urea and resin packet
Film potash fertilizer can be realized the accurate release of nitrogen potassium, and Controlled-release nitrogen potash fertilizer regulates and controls different acquisition times and difference according to crop regulation of fertilizer requirement
The Controlled-release nitrogen potash fertilizer of adding proportion meets the nutrient demand of crop entire breeding time, and realization exempts to chase after, time saving, laborsaving；Humic acid potassium
Silicon-calcium-magnesium be by humic acid and middle and trace element chelating together, core component " humic acid " supplemented with the soil organism and
Microelement in calcium and magnesium silicon etc., nutrient balance.The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of the invention integrally uses not only
It can satisfy the nutrient demand of crop entire breeding time, and have to soil acidification, secondary salinization, hardened etc. and significantly change
Kind effect.
The present invention during the test, successively by " Polymer coated urea ", " polymer sulfur-coated urea ", " resin packet
The raw material components such as film potash fertilizer ", " humic acid potassium silicon-calcium-magnesium " and " humic acid complex fertilizer masterbatch " remove, and release and release control fertilizer is prepared.
Then the release and release control fertilizer of preparation is respectively used to arable farming test, as a result, it has been found that, with the dedicated humic acid type of crop of the invention
Controlled-release nitrogen potash fertilizer material is compared, and fertilizer can be reduced in the effect of increasing production and fertilizer of crop by deleting any raw material components all
The utilization rate of nitrogenous fertilizer and/or potash fertilizer.
On the basis of crop of the invention dedicated humic acid type Controlled-release nitrogen potash fertilizer material, it is further added by one or more common controls
Fertile raw material, such as potassium chloride composite fertilizer, Diammonium phosphate (DAP), zinc sulfate etc. are released, release and release control fertilizer is prepared, is equally used for arable farming
Test, as a result, it has been found that, compared with the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of the invention, in the dedicated corruption of crop of the invention
On the basis of phytic acid type Controlled-release nitrogen potash fertilizer material, other raw material components are further added by, it is not significant to the promotion of crop yield effect, or even also
There is the appearance of the case where effect of increasing production reduction.
To sum up, the dedicated humic acid type controlled release of crop is prepared by the optimization of selection and dosage to raw material in the present invention
Nitrogen-potassium fertilizer.The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of the invention, increase production and improve productivity significant effect, and nitrogenous fertilizer, potash fertilizer utilize
Rate is high, at the same to soil acidification, secondary salinization, it is hardened also have improvement, there are great economy, ecological benefits and wide answer
Use prospect.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
Test material used in the embodiment of the present invention is the test material of this field routine, can pass through commercial channel
It is commercially available.
Embodiment 1: the preparation of coated with resin potash fertilizer
(1) polyether polyurethane diacrylate is that 1:0.1 is heated in electric furnace according to mass ratio with 4- hydroxy benzene sulfonic acid
(75 DEG C of temperature) emulsification is A liquid；
(2) 0.8 ‰ nano silicas of its quality are added into A liquid, obtain B liquid；
(3) in mass ratio it is that 1:0.6 is mixed with castor oil by B liquid, obtains the first coating agent；
(4) paraffin is placed in glass beaker to be placed on electric furnace and is melted, obtain the second coating agent；
(5) certain mass rounded grain potash fertilizer (potassium chloride) is taken to be placed in external heat 15~20 minutes in rotary drum coating machine, to fertilizer
When material temperature degree rises to 65 DEG C, it is uniformly added into the first coating agent by the 1.2% of investment potash fertilizer quality, reacts 20 in rotary drum coating machine
Minute (revolving speed 35r/min, reaction temperature are controlled at 80 DEG C).When dry and soft state is presented in fertilizer sample in coating machine, by investment
The 3.5% of potash fertilizer quality is uniformly added into the second coating agent, and 12 minutes (revolving speed 35r/min, reaction temperature are reacted in rotary drum coating machine
Degree control is at 80 DEG C).It is uniform by the 0.8% of investment potash fertilizer quality again when dry and soft state is presented in fertilizer sample in coating machine
The first coating agent is added, is reacted in rotary drum coating machine 20 minutes (revolving speed 35r/min, reaction temperature are controlled at 80 DEG C), to fertilizer
When material is in dry and soft state, external heating device is closed, it is cooling, that is, coated with resin potash fertilizer is prepared.
In the coated with resin potash fertilizer, K2O content is 53.1%, polymer quality score 5.5%, 3 months controlled release phases.
Embodiment 2: the preparation of coated with resin potash fertilizer
(1) polyether polyurethane diacrylate is that 1:0.05 is heated in electric furnace according to mass ratio with 4- hydroxy benzene sulfonic acid
(temperature 70 C) emulsification is A liquid；
(2) 0.5 ‰ nano silicas of its quality are added into A liquid, obtain B liquid；
(3) in mass ratio it is that 1:0.4 is mixed with castor oil by B liquid, obtains the first coating agent；
(4) paraffin is placed in glass beaker to be placed on electric furnace and is melted, obtain the second coating agent；
(5) certain mass rounded grain potash fertilizer (potassium chloride) is taken to be placed in external heat 15~20 minutes in rotary drum coating machine, to fertilizer
When material temperature degree rises to 60 DEG C, it is uniformly added into the first coating agent by the 1.0% of investment potash fertilizer quality, reacts 20 in rotary drum coating machine
Minute (revolving speed 40r/min, reaction temperature are controlled at 80 DEG C).When dry and soft state is presented in fertilizer sample in coating machine, by investment
The 2.5% of potash fertilizer quality is uniformly added into the second coating agent, and 12 minutes (revolving speed 40r/min, reaction temperature are reacted in rotary drum coating machine
Degree control is at 80 DEG C).It is uniform by the 0.5% of investment potash fertilizer quality again when dry and soft state is presented in fertilizer sample in coating machine
The first coating agent is added, is reacted in rotary drum coating machine 20 minutes (revolving speed 40r/min, reaction temperature are controlled at 80 DEG C), to fertilizer
When material is in dry and soft state, external heating device is closed, it is cooling, that is, coated with resin potash fertilizer is prepared.
In the coated with resin potash fertilizer, K2O content is 53.8%, polymer quality score 4.0%, 3 months controlled release phases.
Embodiment 3: the preparation of coated with resin potash fertilizer
(1) polyether polyurethane diacrylate is that 1:0.08 is heated in electric furnace according to mass ratio with 4- hydroxy benzene sulfonic acid
(80 DEG C of temperature) emulsification is A liquid；
(2) 1 ‰ nano silicas of its quality are added into A liquid, obtain B liquid；
(3) in mass ratio it is that 1:0.8 is mixed with castor oil by B liquid, obtains the first coating agent；
(4) paraffin is placed in glass beaker to be placed on electric furnace and is melted, obtain the second coating agent；
(5) certain mass rounded grain potash fertilizer (potassium chloride) is taken to be placed in external heat 15~20 minutes in rotary drum coating machine, to fertilizer
When material temperature degree rises to 60 DEG C, it is uniformly added into the first coating agent by the 0.7% of investment potash fertilizer quality, reacts 20 in rotary drum coating machine
Minute (revolving speed 40r/min, reaction temperature are controlled at 80 DEG C).When dry and soft state is presented in fertilizer sample in coating machine, by investment
The 1.0% of potash fertilizer quality is uniformly added into the second coating agent, and 12 minutes (revolving speed 40r/min, reaction temperature are reacted in rotary drum coating machine
Degree control is at 80 DEG C).It is uniform by the 0.3% of investment potash fertilizer quality again when dry and soft state is presented in fertilizer sample in coating machine
The first coating agent is added, is reacted in rotary drum coating machine 20 minutes (revolving speed 40r/min, reaction temperature are controlled at 80 DEG C), to fertilizer
When material is in dry and soft state, external heating device is closed, it is cooling, that is, coated with resin potash fertilizer is prepared.
In the coated with resin potash fertilizer, K2O content is 55.0%, polymer quality score 2.0%, 2 months controlled release phases.
Embodiment 4: the preparation of coated with resin potash fertilizer
(1) polyether polyurethane diacrylate is that 1:0.06 is heated in electric furnace according to mass ratio with 4- hydroxy benzene sulfonic acid
(80 DEG C of temperature) emulsification is A liquid；
(2) 0.8 ‰ nano silicas of its quality are added into A liquid, obtain B liquid；
(3) in mass ratio it is that 1:0.4 is mixed with castor oil by B liquid, obtains the first coating agent；
(4) paraffin is placed in glass beaker to be placed on electric furnace and is melted, obtain the second coating agent；
(5) certain mass rounded grain potash fertilizer (potassium chloride) is taken to be placed in external heat 15~20 minutes in rotary drum coating machine, to fertilizer
When material temperature degree rises to 70 DEG C, it is uniformly added into the first coating agent by the 1.5% of investment potash fertilizer quality, reacts 20 in rotary drum coating machine
Minute (revolving speed 40r/min, reaction temperature are controlled at 80 DEG C).When dry and soft state is presented in fertilizer sample in coating machine, by investment
The 3.5% of potash fertilizer quality is uniformly added into the second coating agent, and 12 minutes (revolving speed 40r/min, reaction temperature are reacted in rotary drum coating machine
Degree control is at 80 DEG C).It is uniform by the 1.0% of investment potash fertilizer quality again when dry and soft state is presented in fertilizer sample in coating machine
The first coating agent is added, is reacted in rotary drum coating machine 20 minutes (revolving speed 40r/min, reaction temperature are controlled at 80 DEG C), to fertilizer
When material is in dry and soft state, external heating device is closed, it is cooling, that is, coated with resin potash fertilizer is prepared.
In the coated with resin potash fertilizer, K2O content is 52.8%, polymer quality score 6.0%, 4 months controlled release phases.
Embodiment 5: the preparation of the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of potato
1. raw material forms:
80 parts of Polymer coated urea, 110 parts of polymer sulfur-coated urea urea, 170 parts of coated with resin potash fertilizer, humic acid
250 parts of potassium silicon magnesium, 390 parts of humic acid complex fertilizer masterbatch.
Wherein, the nitrogen content of Polymer coated urea is 42%, and the controlled release phase is 3 months；(" Polymer coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " Polymer coated urea ").
The nitrogen content of polymer sulfur-coated urea is 37%, and the controlled release phase is 2 months；(" polymer sulfur-coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " polymer sulfur-coated urea ").
Coated with resin potash fertilizer is that embodiment 1 is prepared.
Humic acid potassium silicon-calcium-magnesium is by following raw material weight number raw material:
210 parts of plant ash, 218 parts of calcium powder, 280 parts of potassium sulfate, 120 parts of epsom salt, 50 parts of humic acid, humic acid potassium
50 parts, 70 parts of white lime, 2 parts of IDS are made by disc granulation, and 40-50 DEG C of drying, nutrient (matter are carried out after granulation
Measure score) it is K2O 15%；CaO 13.0%；MgO 5.0%；SiO21.5%；Activate humic acid 4.0%.
Humic acid complex fertilizer masterbatch is that compound fertilizer granulating (conventional to produce), urea are carried out according to the raw material of following parts by weight
170 parts, 300 parts of Diammonium phosphate (DAP), 280 parts of potassium sulfate, 140 parts of ammonium hydrogen carbonate, 110 parts of humic acid.
2. preparation method:
By above-mentioned each raw material be uniformly mixed to get.
The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of potato manufactured in the present embodiment, a large amount of nutrient contents are 40.8%, greatly
Measure nutrient element N-P2O5-K2O=14.7%:6.4%:19.7%, middle amount nutrient element calcium (in terms of CaO) 3.3%, magnesium (with
MgO meter) 1.3%, sulphur 2.9%, micro-nutrient element boron 0.05%, silicon is (with SiO2Meter) 0.28%, activate humic acid content
1.6%.
Embodiment 6: the preparation of the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of sweet potato
1. raw material forms:
80 parts of Polymer coated urea, 150 parts of polymer sulfur-coated urea, 200 parts of coated with resin potash fertilizer, humic acid potassium silicon
280 parts of calcium and magnesium, 300 parts of humic acid complex fertilizer masterbatch.
Wherein, the nitrogen content of Polymer coated urea is 44%, and the controlled release phase is 3 months；(" Polymer coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " Polymer coated urea ").
The nitrogen content of polymer sulfur-coated urea is 35%, and the controlled release phase is 2 months；(" polymer sulfur-coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " polymer sulfur-coated urea ").
Coated with resin potash fertilizer is that embodiment 2 is prepared.
Humic acid potassium silicon-calcium-magnesium is the same as embodiment 5.
Humic acid complex fertilizer masterbatch is that compound fertilizer granulating (conventional to produce), urea are carried out according to the raw material of following parts by weight
50 parts, 400 parts of Diammonium phosphate (DAP), 300 parts of potassium sulfate, 145 parts of ammonium hydrogen carbonate, 100 parts of humic acid.
2. preparation method:
By above-mentioned each raw material be uniformly mixed to get.
The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of sweet potato manufactured in the present embodiment, a large amount of nutrient contents are 40.4%, largely
Nutrient element N-P2O5-K2O=13.0%:6.7%:20.7%, middle amount nutrient element calcium (in terms of CaO) 3.7%, magnesium is (with MgO
Meter) 1.5%, sulphur 2.8%, micro-nutrient element boron 0.07%, silicon is (with SiO2Meter) 0.30%, activate humic acid content 1.6%.
Embodiment 7: the preparation of the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of garlic
1. raw material forms:
140 parts of Polymer coated urea, 80 parts of polymer sulfur-coated urea, 190 parts of coated with resin potash fertilizer, humic acid potassium silicon
200 parts of calcium and magnesium, 390 parts of humic acid complex fertilizer masterbatch.
Wherein, the nitrogen content of Polymer coated urea is 44%, and the controlled release phase is 3 months；(" Polymer coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " Polymer coated urea ").
The nitrogen content of polymer sulfur-coated urea is 39%, and the controlled release phase is 2 months；(" polymer sulfur-coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " polymer sulfur-coated urea ").
Coated with resin potash fertilizer is that embodiment 3 is prepared.
Humic acid potassium silicon-calcium-magnesium is the same as embodiment 5.
Humic acid complex fertilizer masterbatch is that compound fertilizer granulating (conventional to produce), urea are carried out according to the raw material of following parts by weight
180 parts, 415 parts of Diammonium phosphate (DAP), 200 parts of potassium sulfate, 105 parts of ammonium hydrogen carbonate, 100 parts of humic acid.
2. preparation method:
By above-mentioned each raw material be uniformly mixed to get.
The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of garlic manufactured in the present embodiment, a large amount of nutrient contents are 43.6%, largely
Nutrient element N-P2O5-K2O=17.0%:8.5%:18.1%, middle amount nutrient element calcium (in terms of CaO) 2.6%, magnesium is (with MgO
Meter) 1.1%, sulphur 2.1%, micro-nutrient element boron 0.07%, silicon is (with SiO2Meter) 0.25%, activate humic acid content
1.37%.
Embodiment 8: the preparation of the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of Radix Salviae Miltiorrhizae
1. raw material forms:
180 parts of Polymer coated urea, 55 parts of polymer sulfur-coated urea, 110 parts of coated with resin potash fertilizer, humic acid potassium silicon
300 parts of calcium and magnesium, 355 parts of humic acid complex fertilizer masterbatch.
Wherein, the nitrogen content of Polymer coated urea is 42%, and the controlled release phase is 4 months；(" Polymer coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " Polymer coated urea ").
The nitrogen content of polymer sulfur-coated urea is 35%, and the controlled release phase is 3 months；(" polymer sulfur-coated urea " is mountain
The product of eastern agricultural university Fei Ye Science and Technology Ltd. production, trade name " polymer sulfur-coated urea ").
Coated with resin potash fertilizer is that embodiment 4 is prepared.
Humic acid potassium silicon-calcium-magnesium is the same as embodiment 5.
Humic acid complex fertilizer masterbatch is that compound fertilizer granulating (conventional to produce), urea are carried out according to the raw material of following parts by weight
150 parts, 380 parts of Diammonium phosphate (DAP), 300 parts of potassium sulfate, 20 parts of ammonium hydrogen carbonate, 150 parts of humic acid.
2. preparation method:
By above-mentioned each raw material be uniformly mixed to get.
The dedicated humic acid type Controlled-release nitrogen potash fertilizer material of Radix Salviae Miltiorrhizae manufactured in the present embodiment, a large amount of nutrient contents are 38.0%, largely
Nutrient element N-P2O5-K2O=15.5%:7.5%:15.0%, middle amount nutrient element calcium (in terms of CaO) 4.0%, magnesium is (with MgO
Meter) 1.6%, sulphur 2.8%, micro-nutrient element boron 0.1%, silicon is (with SiO2Meter) 0.33%, activate humic acid content 1.8%.
Test example 1:
Using the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of potato made from the embodiment of the present invention 5, tested into potato.
(1) test period and place
Test site: the Feicheng village Shangri-La Town Tun Tou, soil basic topography nutrient, total soil nitrogen 1.37g/kg, available phosphorus
36.3mg/kg, available potassium 118.7mg/kg, organic matter 25g/kg, pH5.8.
For studying object: Holland 15.
Test period: July in March, 2017-.
(2) experimental design
Test sets 2 processing, and processing 1 is the special fertilizer made from embodiment 5, and processing 2 uses conventional fertilizer application, for control
Group, with processing nutrient contents and the amount of application such as 1 special fertilizer.
(3) interpretation of result
Statistics potato yield, commodity potato rate and utilization rate of fertilizer are shown in Table 1.
Table 1:
Table 1 the result shows that: after Special fertilizer for potato through the invention plantation potato, the output increased of potato
12.85%, effect of increasing production is very significant, calculates according to (1.68 yuan/kg) of this season potato sales price, increases income 624 yuan per acre,
Economic benefit is very significant.At the same time, utilization rate of nitrogen fertilizer improves 27.9%, and potassium utilization rate improves 18.4%, fertilizer utilization
Rate significantly improves.After potato harvest, soil pH improves 0.2 constituent parts, alleviates soil acidification degree.
Test example 2:
Using the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of sweet potato made from the embodiment of the present invention 6, tested into sweet potato.
(1) test period and place
Test site: the town Xintai City Long Ting Shangzhi village village, soil basic topography nutrient, soil alkali-hydrolyzable nitrogen 89.34g/kg have
Imitate phosphorus 28.17mg/kg, available potassium 105.3mg/kg, organic matter 12g/kg, pH6.4.
For studying object: Ji potato 22.
Test period: October in April, 2016-.
(2) experimental design
Test sets 2 processing, and processing 1 is the special fertilizer made from embodiment 6, and processing 2 uses conventional fertilizer application, for control
Group, with processing nutrient contents and the amount of application such as 1 special fertilizer.
(3) interpretation of result
Statistics yield of sweet potato, level-one potato and content of starch are shown in Table 2.
Table 2:
| Processing | Processing one | Processing two |
| Yield (kg/ mus) | 3138 | 2692 |
| Increase production (kg/ mus) | 446 | —— |
| Increase income (member/mu) | 847 | —— |
| Content of starch (%) | 56.2 | 53.3 |
| Utilization rate of nitrogen fertilizer (%) | 40.3 | 30.5 |
| Potassium utilization rate (%) | 57.5 | 44.3 |
Table 2 the result shows that: after special fertilizer for sweet potato material sweet potato planting through the invention, the output increased of sweet potato
16.57%, effect of increasing production is very significant, calculates according to (1.90 yuan/kg) of this season sweet potato sales price, increases income 847 yuan per acre, warp
Benefit of helping is very significant, and sweet potato quality is improved close to 3 percentage points, and utilization rate of nitrogen fertilizer raising connects nearly 10 percentage point, potash fertilizer benefit
It is improved with rate close to 14 percentage points, utilization rate of fertilizer significantly improves.
Test example 3:
Using the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of garlic made from the embodiment of the present invention 7, tested into garlic.
(1) test period and place
Test site: Jinxiang County, the village Cheng Zhuan, prosperity town, soil basic topography nutrient, soil alkali-hydrolyzable nitrogen 73.45g/kg, effectively
Phosphorus 18.23mg/kg, available potassium 130.5mg/kg, organic matter 17g/kg, pH8.2, salt content 2.3g/kg.
For studying object: Shandong Jinxiang white garlic.
Test period: in June, -2018 in October, 2017.
(2) experimental design
Test sets 2 processing, and processing 1 is the special fertilizer made from embodiment 7, and processing 2 uses conventional fertilizer application, for control
Group, with processing nutrient contents and the amount of application such as 1 special fertilizer.
(3) interpretation of result
Statistics Garlic yield, polyoses content and utilization rate of fertilizer, soil salt situation are shown in Table 3.
Table 3:
| Processing | Processing one | Processing two |
| Yield (kg/ mus) | 2815 | 2393 |
| Increase production (kg/ mus) | 422 | —— |
| Increase income (member/mu) | 337 | —— |
| Bulb polyoses content (%) | 31.6 | 27.2 |
| Utilization rate of nitrogen fertilizer (%) | 37.4 | 30.8 |
| Potassium utilization rate (%) | 47.7 | 41.6 |
| Soil nutrient content g/kg | 1.9 | 2.4 |
Table 3 the result shows that: after garlic dedicated fertilizer through the invention plantation garlic, the output increased of sweet potato
17.6%, effect of increasing production is very significant, calculates according to (0.80 yuan/kg) of this season garlic sales price, increases income 337 yuan per acre, warp
Benefit of helping is very significant, and bulb polyoses content improves 4.2 percentage points, and utilization rate of nitrogen fertilizer is improved close to 7 percentage points, and potash fertilizer is sharp
It is improved with rate close to 8 percentage points, utilization rate of fertilizer significantly improves, and soil salt content reduces by 20%.
Test example 4:
Using the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of Radix Salviae Miltiorrhizae made from the embodiment of the present invention 8, tested into Radix Salviae Miltiorrhizae.
(1) test period and place
Test site: the Gangcheng District Mt. Ai street village Gu Dun, soil basic topography nutrient, soil alkali-hydrolyzable nitrogen 55.6g/kg have
Imitate phosphorus 9.17mg/kg, available potassium 90.3mg/kg, organic matter 11g/kg, pH7.8.
For studying object: Radix Salviae Miltiorrhizae.
Test period: in November, -2018 in March, 2018.
(2) experimental design
Test sets 2 processing, and processing 1 is the special fertilizer made from embodiment 8, and processing 2 uses conventional fertilizer application, for control
Group, with processing nutrient contents and the amount of application such as 1 special fertilizer.
(3) interpretation of result
Statistics Radix Salviae Miltiorrhizae yield, tanshinone content and utilization rate of fertilizer are shown in Table 4.
Table 4:
| Processing | Processing one | Processing two |
| Yield fresh weight (kg/ mus) | 1457 | 1205 |
| Increase production (kg/ mus) | 252 | —— |
| Increase income (member/mu) | 1008 | —— |
| Tanshinone content (mg/kg) | 0.36 | 0.27 |
| Utilization rate of nitrogen fertilizer (%) | 33.7 | 25.8 |
| Potassium utilization rate (%) | 45.5 | 38.6 |
Table 4 the result shows that: after special fertilizer for red sage root material through the invention plantation Radix Salviae Miltiorrhizae, the output increased of sweet potato
20.9%, effect of increasing production is very significant, calculates according to this season garlic sales price (4 yuan/kg fresh weight), increases income 1008 yuan per acre,
Economic benefit is very significant, and tanshinone content improves 33%, and utilization rate of nitrogen fertilizer is improved close to 8 percentage points, and potassium utilization rate mentions
Close to 7 percentage points, utilization rate of fertilizer significantly improves height.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of coated with resin potash fertilizer coating agent, which is characterized in that including the first coating agent and the second coating agent being used cooperatively；
First coating agent is prepared by the following method:
By weight it is 1:(0.05-0.1 by polyurethane and 4- hydroxy benzene sulfonic acid) mixing, it is emulsified in 70-80 DEG C of condition, it obtains
A liquid；
Nano silica is added into A liquid, the additional amount of the nano silica is 0.5 ‰~the 1 ‰ of A liquid weight, is obtained
To B liquid；
By weight it is 1:(0.4-0.8 by B liquid and castor oil) mixing, obtain the first coating agent；
Second coating agent is the paraffin of fusing；
Preferably, the polyurethane is polyether polyurethane diacrylate.
2. application of the coated with resin potash fertilizer coating agent described in claim 1 in production controlled-release fertilizer.
3. a kind of coated with resin potash fertilizer, which is characterized in that be prepared by the following method:
Potash fertilizer is preheated to 60-70 DEG C, the first coating agent described in claim 1 of potash fertilizer weight 0.7-1.5%, rotary drum is added
Coating 15-20 minutes；Add the second coating agent described in claim 1 of potash fertilizer weight 1.0-3.5%, rotary drum coating 10-
15 minutes；The first coating agent described in claim 1 of potash fertilizer weight 0.3-1.0% is finally added, rotary drum coating 15-20 divides
Clock, it is cooling to get coated with resin potash fertilizer.
4. coated with resin potash fertilizer according to claim 3, which is characterized in that in the coated with resin potash fertilizer, K2O content is
52%~56%, polymer quality score 2%-6%, controlled release phase are 2-4 months.
5. the answering in the production dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop of coated with resin potash fertilizer described in claim 3 or 4
With.
6. a kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop, which is characterized in that in parts by weight include following components:
50-200 parts of Polymer coated urea, 50-200 parts of polymer sulfur-coated urea, 100-200 parts of coated with resin potash fertilizer, corruption
200-300 parts of phytic acid potassium silicon magnesium, 300-400 parts of humic acid complex fertilizer masterbatch；
The coated with resin potash fertilizer is as described in claim 3 or 4.
7. the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop according to claim 6, which is characterized in that the humic acid potassium
Calcium silicon magnesium is to be prepared by the following method:
By 210 parts of plant ash, 218 parts of calcium powder, 280 parts of potassium sulfate, 120 parts of epsom salt, 50 parts of humic acid, humic acid potassium 50
Part, 70 parts of white lime, 2 parts of chelating type microelement mixing, through disc granulation, it is dry to get.
8. the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop according to claim 6, which is characterized in that the humic acid is multiple
Hefei masterbatch is to be prepared by the following method:
By 50-200 parts of urea, 200-450 parts of Diammonium phosphate (DAP), 100-300 parts of potassium sulfate, 100-200 parts of ammonium hydrogen carbonate, humic acid
80-150 parts of mixing, roller are granulated, it is dry to get.
9. the preparation method of the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of the described in any item crops of claim 6-8, feature exist
In, comprising the following steps: by Polymer coated urea, polymer sulfur-coated urea, coated with resin potash fertilizer, humic acid potassium silico-calcium
Magnesium, humic acid complex fertilizer masterbatch by weight be uniformly mixed to get.
10. the dedicated humic acid type Controlled-release nitrogen potash fertilizer material of the described in any item crops of claim 6-8 is in underground tubers and/or root
Application in stem class crop-planting；
Preferably, the underground tubers and/or root crop include: potato, sweet potato, peanut, garlic, ginger, round onions
And Radix Salviae Miltiorrhizae.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610189.0A CN109400391A (en) | 2018-12-27 | 2018-12-27 | A kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610189.0A CN109400391A (en) | 2018-12-27 | 2018-12-27 | A kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109400391A true CN109400391A (en) | 2019-03-01 |
Family
ID=65461565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811610189.0A Pending CN109400391A (en) | 2018-12-27 | 2018-12-27 | A kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109400391A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436992A (en) * | 2019-07-30 | 2019-11-12 | 拉多美（宁陵）化肥有限公司 | A kind of humic acid potassium efficient phosphorous fertilizer and preparation method |
| CN111621388A (en) * | 2019-03-27 | 2020-09-04 | 山东植益源健康科技有限公司 | Anti-fatigue black jerusalem artichoke fruit wine and preparation method thereof |
| CN111825503A (en) * | 2020-07-07 | 2020-10-27 | 山东农大肥业科技有限公司 | Special functional nitrogen and potassium double-control fertilizer for garlic crops and preparation method thereof |
| CN113087564A (en) * | 2021-03-23 | 2021-07-09 | 湖北佳玛驰生态农业有限公司 | Controlled release fertilizer and preparation method and application thereof |
| CN116496130A (en) * | 2023-04-10 | 2023-07-28 | 河北萌帮生物科技有限公司 | Fertilizer for reducing soil acidity and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795928A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Special sulfur and resin double-coated humic acid controlled-release fertilizer suitable for culturing potatoes in arched shed |
| CN102795945A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Special sulfur-resin double-membrane humic-acid controlled release fertilizer suitable for culturing garlic with mulching film |
| US20140298873A1 (en) * | 2013-04-04 | 2014-10-09 | Gujarat State Fertilizers And Chemicals Ltd. | Modified release agrochemical composition and a process for preparing the same |
| CN105061083A (en) * | 2015-08-21 | 2015-11-18 | 湖南农业大学 | Potash fertilizer controlled release coating agent |
| CN107556090A (en) * | 2016-07-02 | 2018-01-09 | 刘云峰 | A kind of wheel layer coating and its production method of controlled release granule agricultural chemicals or fertilizer |
| CN107628871A (en) * | 2017-10-13 | 2018-01-26 | 中化化肥有限公司成都研发中心 | Suitable for the potato special fertilizer of acid soil |
-
2018
- 2018-12-27 CN CN201811610189.0A patent/CN109400391A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795928A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Special sulfur and resin double-coated humic acid controlled-release fertilizer suitable for culturing potatoes in arched shed |
| CN102795945A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Special sulfur-resin double-membrane humic-acid controlled release fertilizer suitable for culturing garlic with mulching film |
| US20140298873A1 (en) * | 2013-04-04 | 2014-10-09 | Gujarat State Fertilizers And Chemicals Ltd. | Modified release agrochemical composition and a process for preparing the same |
| CN105061083A (en) * | 2015-08-21 | 2015-11-18 | 湖南农业大学 | Potash fertilizer controlled release coating agent |
| CN107556090A (en) * | 2016-07-02 | 2018-01-09 | 刘云峰 | A kind of wheel layer coating and its production method of controlled release granule agricultural chemicals or fertilizer |
| CN107628871A (en) * | 2017-10-13 | 2018-01-26 | 中化化肥有限公司成都研发中心 | Suitable for the potato special fertilizer of acid soil |
Non-Patent Citations (3)
| Title |
|---|
| 强涛涛: "《合成革化学品》", 31 July 2016, 中国轻工业出版社 * |
| 符韵林 等: "《用二氧化硅改良木材表面性能的研究》", 31 October 2011, 中国环境科学出版社 * |
| 贾敬敦 等: "《我国涉农重点产业技术创新研究报告》", 30 November 2011, 北京交通大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621388A (en) * | 2019-03-27 | 2020-09-04 | 山东植益源健康科技有限公司 | Anti-fatigue black jerusalem artichoke fruit wine and preparation method thereof |
| CN110436992A (en) * | 2019-07-30 | 2019-11-12 | 拉多美（宁陵）化肥有限公司 | A kind of humic acid potassium efficient phosphorous fertilizer and preparation method |
| CN111825503A (en) * | 2020-07-07 | 2020-10-27 | 山东农大肥业科技有限公司 | Special functional nitrogen and potassium double-control fertilizer for garlic crops and preparation method thereof |
| CN113087564A (en) * | 2021-03-23 | 2021-07-09 | 湖北佳玛驰生态农业有限公司 | Controlled release fertilizer and preparation method and application thereof |
| CN116496130A (en) * | 2023-04-10 | 2023-07-28 | 河北萌帮生物科技有限公司 | Fertilizer for reducing soil acidity and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109400391A (en) | A kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop | |
| CN102391057B (en) | Inorganic-organic slow-acting fertilizer suitable for landscaping nursery stocks and preparation method and application thereof | |
| CN104193536B (en) | A kind of charcoal base stability Chemical Mixed Fertilizer and preparation method thereof | |
| CN101525260B (en) | Special calcium silicon-rich controlled release fertilizer for southern paddy rice and preparation method thereof | |
| CN102826890B (en) | Efficient polymorphous fertilizer special for vegetables and preparation method thereof | |
| CN102180731B (en) | Polymer emulsion coated slow release fertilizer taking nanomaterial as carrier and preparation method thereof | |
| CN102503724B (en) | Humic acid full-nutrition type fertilizer special for peanuts and preparing method thereof | |
| CN104045425A (en) | Soybean dedicated biological organic green fertilizer and preparation method thereof | |
| CN102173944A (en) | Carbon-based controlled-release fertilizer special for potato and preparation method thereof | |
| CN104355785A (en) | Long-acting slow release organic fertilizer and preparation method thereof | |
| CN104177204A (en) | Long-effect slow release strawberry fertilizer and preparation method thereof | |
| CN105198645A (en) | Special slow-release fertilizer for oranges and production process of special slow-release fertilizer | |
| CN104045486A (en) | Wheat dedicated composite coated fertilizer and preparation method thereof | |
| CN102363586B (en) | Chitosan and sulfur coated special controlled-release fertilizer for wheat and preparation method thereof | |
| CN104496705A (en) | Fulvic acid potassium-containing total-nutrient fertilizer for special purpose of potatoes and production method thereof | |
| CN102875219A (en) | High-tower urea formaldehyde controlled release compound fertilizer and preparation method thereof | |
| CN101905991A (en) | Long-acting slow-release potato special fertilizer and preparation method thereof | |
| CN103664369B (en) | A kind of synergy loss controlling fertilizer and preparation method thereof | |
| CN105016864A (en) | Special organic and inorganic compound fertilizer for rice and preparation method for special organic and inorganic compound fertilizer for rice | |
| CN102167650A (en) | Preparation method of gypsum-based urea gypsum-urea-ammonium sulphate controlled-release nitrogen fertilizers | |
| CN101973816A (en) | Multi-element decomposable coated slow/controlled release fertilizer and preparation method thereof | |
| CN107162848A (en) | A kind of beach saline land wheat dedicated functionality organic-inorganic controlled-release Blending Fertilizer | |
| CN104803747A (en) | Carbon-based slow-release fertilizer with high microelement content and preparation method thereof | |
| CN105580550A (en) | Fertilizing method for increasing content of potassium in tobacco leaves of K326 flue-cured tobacco variety | |
| CN106187386A (en) | A kind of Oryza sativa L. special selenourea slow-release compound fertilizer and production technology thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |