CN108424301A - A kind of strawberry special-purpose fertilizer and preparation method thereof - Google Patents
A kind of strawberry special-purpose fertilizer and preparation method thereof Download PDFInfo
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- CN108424301A CN108424301A CN201810580408.9A CN201810580408A CN108424301A CN 108424301 A CN108424301 A CN 108424301A CN 201810580408 A CN201810580408 A CN 201810580408A CN 108424301 A CN108424301 A CN 108424301A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
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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
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
Technical solution of the present invention discloses a kind of strawberry special-purpose fertilizer, comprises the following raw materials by weight percent：Nitrogenous fertilizer 25%~34%, phosphate fertilizer 18%~22%, potash fertilizer 42%~48%, moderate-element fertilizer 4%~5.5%, trace element fertilizer 1%~1.8%.The strawberry special-purpose fertilizer that technical solution of the present invention provides is comprehensive rich in big, middle and trace element, nutrient necessary to strawberry growth cycle；Available nutrient and slow-release controlled-release nutrient are reasonably combined, ensure that strawberry early growth nutrient is not superfluous, the not de- fertilizer of late growth；Nutrient release curve and strawberry nutrient demand curve are more identical, and utilization rate of fertilizer is high, on the one hand saves artificially applying fertilizer cost；On the other hand excessive nutrient is avoided to pollute air, soil, river.
Description
Technical field
The present invention relates to technical field of fertilizers more particularly to a kind of strawberry special-purpose fertilizer and preparation method thereof.
Background technology
Strawberry be called the red certain kind of berries, the foreign certain kind of berries, the certain kind of berries etc., be the common name to rose family strawberry plants, belong to herbaceos perennial,
The whole world originates in Europe it has been known that there is more than 50 kinds.Since strawberry excellent in color is all good, and nutritive value is high, is given birth to containing abundant dimension
The effect of plain C, helpful digestion, so being described as " fruit queen " by people.
Since strawberry is in specific planting process, from Seedling Stage, big seedling stage, squaring period, fruit expanding period, the Sheng receipts phase, adopt
Receiving tailend has the nutrients such as nitrogen, phosphorus, potassium different demands, therefore the fertilising cost of labor of strawberry is higher.With strawberry kind
Constantly expand with planting area, cost of labor goes up year by year, while consumer also has higher requirement strawberry quality, many
Grower is finding a efficient strawberry special-purpose fertilizer that can reduce fertilizer application cost.On the one hand fertilizer nutrient can be improved
Absorption rate reduces fertilizer application number in cultivation；On the other hand it can improve strawberry quality so that the mouthfeel of product is more
It is good.
Therefore, a nutrition fertilizer to match substantially with strawberry different growing stage regulation of fertilizer requirement is developed, i.e. strawberry synchronizes
Special fertilizer is of great significance.It can not only achieve the purpose that province is fertile, time saving, saving of labor, while grow rich in strawberry required
A variety of nutritions also contribute to the disease resistance ability and product quality of strawberry.
Invention content
Technical solution of the present invention, should the technical problem to be solved is that a kind of strawberry special-purpose fertilizer of offer and preparation method thereof
The nutrients release of fertilizer and strawberry Nutrient Absorption basic synchronization, improve fertilizer nutrient utilization, accomplish single-dose application to greatest extent
The strawberry special-purpose fertilizer of the entire growth period nutrient demand of strawberry can be met.
In order to solve the above technical problems, technical solution of the present invention provides a kind of strawberry special-purpose fertilizer, by following weight hundred
Divide the raw material composition of ratio：Nitrogenous fertilizer 25%~34%, phosphate fertilizer 18%~22%, potash fertilizer 42%~48%, moderate-element fertilizer 4%~
5.5%, trace element fertilizer 1%~1.8%.
Optionally, the nitrogenous fertilizer is made of instant nitrogenousfertilizer and slow-release nitrogen fertilizer.
Further alternative, the instant nitrogenousfertilizer is in urea, ammonium nitrate phosphorus, monoammonium phosphate, Diammonium phosphate (DAP), potassium nitrate
It is at least one；The slow-release nitrogen fertilizer is release-controlled coated urea.
It is further alternative, the coated fertilizer of the release-controlled coated urea be activation siliceous fertilizer, urease inhibitor, humic acid,
The mixture of adhesive, wherein activation siliceous fertilizer, urease inhibitor, humic acid, adhesive mass ratio be (2~6):(0.5~
1.5):(1~5):1.Preferably, the mass ratio is 5:1:3:1.The fertilizer releasing period of the slow-release nitrogen fertilizer is 90 days, this is supported
The detection method of acquisition time is divided to refer to HG/T 4215-2011.
Further alternative, the activation siliceous fertilizer is selected from activation potassium feldspar powder, activation limestone powder, activation dolomite
One kind in powder.Preferably, the activation siliceous fertilizer is activation potassium feldspar powder, and available silicon content is 10%~30%, institute
State fineness ranging from 50 mesh~150 mesh of activation potassium feldspar powder.
It is further alternative, the one kind of described adhesive in modified corn starch, lignin, polyvinyl alcohol, preferably
For modified corn starch, the modified corn starch is to pass through the modified obtained starch acetate of acetic acid.
Optionally, the one kind or combinations thereof of the phosphate fertilizer in monoammonium phosphate, Diammonium phosphate (DAP).
Optionally, the potash fertilizer is made of quick-acting potash fertilizer with controlled-release fertilizer, and there is the controlled-release fertilizer different nutrients to release
Put the phase.
Further alternative, the quick-acting potash fertilizer are selected from least one of potassium sulfate, potassium nitrate, potassium chloride.It is preferred that sulphur
Sour potassium and potassium nitrate.
Further alternative, the controlled-release fertilizer is in resin coated controlled release potassium sulfate, resin coated controlled release potassium nitrate
The fertilizer releasing period of one kind or combinations thereof, the controlled-release fertilizer is 90 days~180 days, and the detection method of the fertilizer releasing period refers to
HG/T 4215-2011。
Optionally, the moderate-element fertilizer is made of fertiliser containing magnesium and calcium ammonium nitrate.Further alternative, the fertiliser containing magnesium is selected from sulphur
At least one of sour magnesium granules, granules of magnesium nitrate, magnesium oxide particle.
Further alternative, calcium ammonium nitrate is release-controlled coated calcium ammonium nitrate, and fertilizer releasing period is 120 days, which releases
The detection method for putting the phase refers to HG/T 4215-2011.The release-controlled coated calcium ammonium nitrate includes fertile core and coated fertilizer, described
Fertile core is calcium ammonium nitrate, and the coated fertilizer is the mixture of monocalcium silicate, dicalcium silicate and silicon-calcium-magnesium.Wherein, monocalcium silicate,
The mass ratio of dicalcium silicate and silicon-calcium-magnesium is 3:3:4, the fineness of the monocalcium silicate, dicalcium silicate and silicon-calcium-magnesium be 80 mesh~
The melting range of 120 mesh, the calcium ammonium nitrate is 90 DEG C~110 DEG C.
Optionally, the trace element fertilizer includes the trace element of following mass percent：Boron content 1.5%~2.5%,
Iron content 1%~1.5%, manganese content 0.5%~1%, Zn content 0.5%~1%, copper content 0.2%~0.5%.
Optionally, the nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, moderate-element fertilizer, trace element fertilizer are graininess, and the model of grain size
It encloses for 2mm~4mm.
The second aspect of the present invention provides the preparation method of above-mentioned strawberry special-purpose fertilizer, includes the following steps：
1) it by nitrogenous fertilizer particle, phosphate fertilizer particle, potassium fertilizer particle, moderate-element fertilizer particle, trace element fertilizer particle, is sieved respectively
It is classified spare so that grain diameter is 2mm~4mm, and the nitrogenous fertilizer particle includes urea granules, ammonium nitrate phosphorus particle, phosphoric acid
Monoammonium particle, Diammonium phosphate (DAP) particle, potassium nitrate granules, the moderate-element fertilizer particle include fertiliser containing magnesium particle and calcium ammonium nitrate
Grain；
2) urea granules after step 1) sieving are utilized to prepare release-controlled coated urea particle spare；
3) utilize the release-controlled coated calcium ammonium nitrate particle of calcium ammonium nitrate particle preparation after step 1) sieving spare；
4) by nitrogenous fertilizer particle, phosphate fertilizer particle, potassium fertilizer particle, moderate-element fertilizer particle, trace element fertilizer particle, release-controlled coated
Urea granules, release-controlled coated calcium ammonium nitrate particle are put into mixing machine by predetermined mass ratio and are stirred, and mixing time 5min~
20min is uniformly mixed.
The third aspect of the present invention provides a kind of preparation method of release-controlled coated urea particle, includes the following steps：
1) urea granules of 2mm~4mm after sieving are placed in coating machine and are preheated, preheating temperature is 40 DEG C~90 DEG C；
2) activation siliceous fertilizer, urease inhibitor, humic acid, adhesive are weighed according to a certain ratio and are sufficiently mixed, it is mixed to gained
It closes in object and deionized water is added, be configured to the slow-release carbamide coating liquid that mass concentration is 5%~30%.
3) by the urea granules surface of slow-release carbamide coating liquid spraying after preheat obtained by step 2), after coating liquid solidification
It repeats to spray, spraying number is determined according to fertilizer releasing period.Preferably, it sprays 3~10 times, sprays coating liquid quality every time and account for
The mass percent of fertile slug particle is 0.5%~1.5%.
The fourth aspect of the present invention provides a kind of preparation method of release-controlled coated calcium ammonium nitrate particle, including walks as follows
Suddenly：
1) calcium ammonium nitrate of 2mm~4mm after sieving is placed in coating machine and is preheated, 40 DEG C~90 DEG C of preheating temperature；
2) monocalcium silicate, dicalcium silicate and silicon-calcium-magnesium are weighed according to a certain ratio and is sufficiently mixed, and are added into gained mixture
Enter deionized water, is configured to the sustained release calcium ammonium nitrate coating liquid that mass concentration is 5%~30%；
3) by the calcium ammonium nitrate particle surface of sustained release calcium ammonium nitrate coating liquid spraying after preheat obtained by step 2), coating is waited for
It repeats to spray after liquid solidification, spraying number is determined according to fertilizer releasing period.Preferably, it sprays 3~10 times, sprays coating every time
The mass percent that the quality of liquid accounts for fertile slug particle is 0.5%~1.5%.
Compared with prior art, the strawberry special-purpose fertilizer and preparation method thereof of technical solution of the present invention has the following advantages：
(1) strawberry special-purpose fertilizer of the invention is complete rich in big, middle and trace element, nutrient necessary to strawberry growth cycle
Face；
(2) available nutrient and slow-release controlled-release nutrient are reasonably combined, ensure that strawberry early growth nutrient is not superfluous, later stage life
Long not de- fertilizer.Nutrient release curve and strawberry nutrient demand curve are more identical, and utilization rate of fertilizer is high, on the one hand saves and manually applies
Fertile cost；On the other hand, prevent excessive nutrient from being polluted to air, soil, river, it is environmentally friendly.
(3) both right using silicates such as activation siliceous fertilizer, calcium silicates, calcium magnesium silicates as the main coated fertilizer of slow-release fertilizer
Nutrient plays the role of slow release, while also supplementing nutritional benefit elemental silicon, has significantly to the quality-improving of strawberry
Facilitation；
(4) release-controlled coated calcium ammonium nitrate efficiently solves the instant capacity defect low with plant recovery of nutrient of calcium, ensures strawberry
Growth cycle has sufficient calcium nutrient supply.
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Specific implementation mode
Before preparing strawberry special-purpose fertilizer, release-controlled coated urea particle and release-controlled coated calcium ammonium nitrate granular raw are first prepared
Expect spare.
For producing 1000 kilograms of release-controlled coated urea particles, preparation process includes the following steps：
1) urea granules of 2mm~4mm after 993 kilograms of sievings of weighing, which are placed in coating machine, preheats, preheating temperature 75
℃；
2) 5 kilograms of activation siliceous fertilizers, 1 kilogram of urease inhibitor, 3 kilograms of humic acids, 1 kilogram of adhesive are weighed respectively and are mixed
It closes, wherein activation siliceous fertilizer is the activation potassium feldspar powder of 100 mesh, available silicon content 20%, adhesive is the modified corn of 80 mesh
40 kilograms of deionized waters are added into gained mixture for starch, and it is total to be configured to the slow-release carbamide coating liquid that mass concentration is 20%
50 kilograms spare；
3) the urea granules surface by the spraying of 7 kilograms of slow-release carbamide coating liquids after preheat, after coating liquid solidification again into
Row repeats spraying 5 times to get the release-controlled coated urea feed particles for being 90 days to fertilizer releasing period.
For producing 1000 kilograms of release-controlled coated calcium ammonium nitrate particles, preparation process includes the following steps：
1) the calcium ammonium nitrate particle of 2mm~4mm after 992 kilograms of sievings of weighing, which is placed in coating machine, preheats, preheating temperature
It is 70 DEG C；
2) 3.75 kilograms of monocalcium silicates, 3.75 kilograms of dicalcium silicates, 5 kilograms of silicon-calcium-magnesiums are weighed respectively and are mixed, silicic acid one
Calcium, dicalcium silicate, silicon-calcium-magnesium fineness be 100 mesh, into gained mixture be added 37.5 kilograms of deionized waters, be configured to matter
Measure concentration 25% sustained release calcium ammonium nitrate coating liquid totally 50 kilograms it is spare；
3) the calcium ammonium nitrate particle surface by 8 kilograms of sustained release calcium ammonium nitrate coating liquid sprayings after preheat, waits for that coating liquid is solid
Carry out repeating to spray 4 times after change again to get the release-controlled coated calcium ammonium nitrate feed particles for being 120 days to fertilizer releasing period.
Below for producing 1000kg strawberry special-purpose fertilizers, illustrate the concrete configuration situation of strawberry special-purpose fertilizer.
Embodiment 1：
1) by urea granules, Diammonium phosphate (DAP) particle, granular potassium sulfate, sustained release the period be respectively 90 days and 180 days controlled release
Granular potassium sulfate, sulfuric acid magnesium granules, trace element fertilizer particle it is spare to cross sieve classification so that the grain size of above-mentioned particle is respectively
2mm~4mm；
2) 100 kilograms of urea granules are weighed respectively, the release-controlled coated urine that 150 kilograms of sustained release periods prepared are 90 days
The controlled release sulphur that plain feed particles, 220 kg of phosphoric acid diammonium particles, 80 kilograms of granular potassium sulfates, 100 kilograms of sustained release periods are 90 days
Sour k particle, 300 kilograms of sustained release periods have prepared for 180 days controlled release granular potassium sulfates, 10 kilograms of sulfuric acid magnesium granules, 30 kilograms
The release-controlled coated calcium ammonium nitrate and 10 kilograms of micro- particles that the good sustained release period is 120 days, and put into mixing machine
It is sufficiently mixed, mixing time is 5min to get the Special fertilizer for strawberries for being 15-10-24 to formula.
Embodiment 2：
1) by urea granules, Diammonium phosphate (DAP) particle, granular potassium sulfate, the controlled release sulfuric acid that the sustained release period is 90 days and 180 days
Potassium, sulfuric acid magnesium granules, trace element fertilizer particle it is spare to cross sieve classification so that the grain size of above-mentioned particle is 2mm~4mm respectively；
2) 100 kilograms of urea granules are weighed respectively, the release-controlled coated urine that 190 kilograms of sustained release periods prepared are 90 days
Element, 180 kg of phosphoric acid diammonium particles, 70 kilograms of granular potassium sulfates, 110 kilograms sustained release the periods be 90 days controlled release potassium sulfate, 280
Kilogram sustained release the period be 180 days controlled release potassium sulfate, 15 kilograms of sulfuric acid magnesium granules, 40 kilograms sustained release the periods be 120 days sustained release
Coating calcium ammonium nitrate and 15 kilograms of micro- particles, and put into mixing machine and be sufficiently mixed, mixing time 8min, i.e.,
Obtain the Special fertilizer for strawberries that formula is 16-8-22.
Embodiment 3：
1) by urea granules, Diammonium phosphate (DAP) particle, granular potassium sulfate, the controlled release sulfuric acid that the sustained release period is 90 days and 180 days
Potassium, sulfuric acid magnesium granules, trace element fertilizer particle it is spare to cross sieve classification so that the grain size of above-mentioned particle is 2mm~4mm respectively；
2) 120 kg urea granules are weighed respectively, the release-controlled coated urine that 220 kilograms of sustained release periods prepared are 90 days
Element, 180 kg of phosphoric acid diammonium particles, 60 kilograms of granular potassium sulfates, 90 kilograms sustained release the periods be 90 days controlled release potassium sulfate, 270
Kilogram sustained release the period be 180 days controlled release potassium sulfate, 12 kilograms of sulfuric acid magnesium granules, 30 kilograms sustained release the periods be 120 days sustained release
Coating calcium ammonium nitrate and 18 kilograms of micro- particles, and put into mixing machine and be sufficiently mixed, mixing time 10min, i.e.,
Obtain the Special fertilizer for strawberries that formula is 18-8-20.
Embodiment 4：
To strawberry (test variety：Beauty) plantation carried out following comparative testing, using conventional compound fertilizer as comparing
Example 1 is compared with embodiment 1,2,3 respectively.Conventional compound fertilizer N-P2O5-K2O is 15-10-17, and embodiment strawberry is special
Fertile N-P2O5-K2O is respectively 15-10-24,16-8-22,18-8-20.
Rate of fertilizer and method of administration：60kg/ mus of Special fertilizer for strawberries amount of application of the present invention, conventional bulk blended fertilizer amount of application
It 60kg/ mus, is applied with base manure, other later stage cultivation managements are consistent.Simultaneously conventional composite fertilizer the later stage carry out again 2 times it is compound
Fertile top dressing (every time 10 kilograms), Special fertilizer for strawberries later stage not top dressing.
Fertilizer application effect and incidence are as shown in Table 1 and Table 2：
Strawberry, yield, quality conditions are compared after 1 different disposal of table
| Project | Plant height/cm | Ye Chong/g | Per plant/ | Single plant fruit weight/g | Vc/mg·g-1 | Total reducing sugar/% |
| Embodiment 1 | 32.1 | 6.5 | 18 | 93.6 | 78.9 | 6.8 |
| Embodiment 2 | 31.8 | 6.6 | 15 | 78.0 | 80.1 | 6.5 |
| Embodiment 3 | 32.5 | 6.8 | 16 | 83.2 | 79.2 | 6.9 |
| Comparative example 1 | 28.6 | 5.8 | 13 | 67.6 | 70.8 | 5.2 |
Strawberry disease and insect resistance situation compares after 2 different disposal of table
The test result of table 1 shows Special fertilizer for strawberries of the invention compared with conventional fertilizer application, and dose reduces 25%,
The yield of strawberry can be seen that from single plant fruit there is no reducing and improve 15% or more instead again.Meanwhile Vc contents improve 10%
More than, total reducing sugar improves 1% or more so that more preferably, quality is improved the mouthfeel of strawberry.
The test result of table 2 shows that the pest-resistant rate of strawberry has reached 50%~60%, and botrytis resistant rate has also reached 50%
~66%.The conventional fertilizer application later stage also needs to add 2 fertilisings again, therefore also adds the cost of labor in terms of plantation.The above examination
It tests result and illustrates that strawberry special-purpose fertilizer provided by the invention not only increases yield of strawberry, improves strawberry quality, while anti-
Also there is obvious effect in terms of disease, while cost of labor can also be reduced, bigger income is brought for user.
Specific embodiments of the present invention described in detail above, it should be understood that those skilled in the art are without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of strawberry special-purpose fertilizer, which is characterized in that comprise the following raw materials by weight percent：Nitrogenous fertilizer 25%~34%,
Phosphate fertilizer 18%~22%, potash fertilizer 42%~48%, moderate-element fertilizer 4%~5.5%, trace element fertilizer 1%~1.8%.
2. strawberry special-purpose fertilizer as described in claim 1, which is characterized in that the nitrogenous fertilizer is by instant nitrogenousfertilizer and slow-release nitrogen fertilizer group
At.
3. strawberry special-purpose fertilizer as claimed in claim 2, which is characterized in that the instant nitrogenousfertilizer is urea, ammonium nitrate phosphorus, phosphorus
At least one of sour monoammonium, Diammonium phosphate (DAP), potassium nitrate；The slow-release nitrogen fertilizer is release-controlled coated urea.
4. strawberry special-purpose fertilizer as described in claim 1, which is characterized in that the phosphate fertilizer is selected from monoammonium phosphate, Diammonium phosphate (DAP)
In one kind or combinations thereof.
5. strawberry special-purpose fertilizer as described in claim 1, which is characterized in that the potash fertilizer is by quick-acting potash fertilizer and controlled-release fertilizer group
At the controlled-release fertilizer has 90 days~180 days fertilizer releasing periods.
6. strawberry special-purpose fertilizer as described in claim 1, which is characterized in that the moderate-element fertilizer is by fertiliser containing magnesium and calcium ammonium nitrate
Composition.
7. strawberry special-purpose fertilizer as described in claim 1, which is characterized in that the trace element fertilizer includes following quality percentage
The trace element of ratio：Boron content 1.5%~2.5%, iron content 1%~1.5%, manganese content 0.5%~1%, Zn content 0.5%
~1%, copper content 0.2%~0.5%.
8. the preparation method of any strawberry special-purpose fertilizer of claim 1 to 7, which is characterized in that include the following steps：
1) by nitrogenous fertilizer particle, phosphate fertilizer particle, potassium fertilizer particle, moderate-element fertilizer particle, trace element fertilizer particle, sieve classification is crossed respectively
It is spare so that grain diameter is 2mm~4mm, and the nitrogenous fertilizer particle includes urea granules, ammonium nitrate phosphorus particle, monoammonium phosphate
Particle, Diammonium phosphate (DAP) particle, potassium nitrate granules, the moderate-element fertilizer particle include fertiliser containing magnesium particle and calcium ammonium nitrate particle；
2) urea granules after step 1) sieving are utilized to prepare release-controlled coated urea particle spare；
3) utilize the release-controlled coated calcium ammonium nitrate particle of calcium ammonium nitrate particle preparation after step 1) sieving spare；
4) by nitrogenous fertilizer particle, phosphate fertilizer particle, potassium fertilizer particle, moderate-element fertilizer particle, trace element fertilizer particle, release-controlled coated urea
Particle, release-controlled coated calcium ammonium nitrate particle are put into mixing machine by predetermined mass ratio and are stirred, and mixing time 5min~
20min is uniformly mixed.
9. a kind of preparation method of release-controlled coated urea particle, which is characterized in that include the following steps：
1) urea granules of 2mm~4mm after sieving are placed in coating machine and are preheated, preheating temperature is 40 DEG C~90 DEG C；
2) activation siliceous fertilizer, urease inhibitor, humic acid, adhesive are weighed according to a certain ratio and is sufficiently mixed, to gained mixture
Middle addition deionized water is configured to the slow-release carbamide coating liquid that mass concentration is 5%~30%, wherein the activation siliceous fertilizer is selected from
One kind in potassium feldspar powder, activation limestone powder, activation dolomite powder is activated, described adhesive is formed sediment selected from modified corn
One kind in powder, lignin, polyvinyl alcohol；
3) it by the urea granules surface of slow-release carbamide coating liquid spraying after preheat obtained by step 2), is repeated after coating liquid solidification
Spraying, spraying number are determined according to fertilizer releasing period.
10. a kind of preparation method of release-controlled coated calcium ammonium nitrate particle, which is characterized in that include the following steps：
1) the calcium ammonium nitrate particle of 2mm~4mm after sieving is placed in coating machine and is preheated, 40 DEG C~90 DEG C of preheating temperature；
2) monocalcium silicate, dicalcium silicate and silicon-calcium-magnesium are weighed according to a certain ratio and is sufficiently mixed, and are added and are gone into gained mixture
Ionized water is configured to the sustained release calcium ammonium nitrate coating liquid that mass concentration is 5%~30%；
3) by the calcium ammonium nitrate particle surface of sustained release calcium ammonium nitrate coating liquid spraying after preheat obtained by step 2), wait for that coating liquid is solid
It repeats to spray after change, spraying number is determined according to fertilizer releasing period.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180275A (en) * | 2018-11-06 | 2019-01-11 | 天津天丰泽田生物科技有限公司 | A kind of disease in replanting prevention and treatment organic nutrition type foliar fertilizer |
| CN110606789A (en) * | 2019-10-31 | 2019-12-24 | 上海永通生态工程股份有限公司 | Anti-facility strawberry continuous cropping soil conditioner and preparation method thereof |
| CN110759796A (en) * | 2019-11-28 | 2020-02-07 | 四川省农业科学院土壤肥料研究所 | Special fertilizer for potted cotton rose hibiscus and application method |
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| CN110606789B (en) * | 2019-10-31 | 2022-07-26 | 上海永通生态工程股份有限公司 | Anti-facility strawberry continuous cropping soil conditioner and preparation method thereof |
| CN110759796A (en) * | 2019-11-28 | 2020-02-07 | 四川省农业科学院土壤肥料研究所 | Special fertilizer for potted cotton rose hibiscus and application method |
| CN110759796B (en) * | 2019-11-28 | 2021-10-29 | 四川省农业科学院土壤肥料研究所 | Special fertilizer for potted cotton rose hibiscus and application method |
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