CN107522551A - A kind of citrus special fertilizer and preparation method thereof and application process - Google Patents
A kind of citrus special fertilizer and preparation method thereof and application process Download PDFInfo
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- CN107522551A CN107522551A CN201710840936.9A CN201710840936A CN107522551A CN 107522551 A CN107522551 A CN 107522551A CN 201710840936 A CN201710840936 A CN 201710840936A CN 107522551 A CN107522551 A CN 107522551A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—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
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Abstract
The invention provides a kind of citrus special fertilizer, including following components in percentage by weight:Potassium dihydrogen phosphate 8%~12%, Diammonium phosphate (DAP) 10%~15%, potassium nitrate 10%~15%, ammonium sulfate 8%~12%, powdered urea 15%~18%, resin coated urea 6%~8%, sulphur clothing coating complex fertilizer 10%~15%, nitrogen-phosphorus-potassium compound fertilizer 10%~12%, coating potassium sulfate 3%~4%, potassium sulfate 6%~8%, organic slow-release agent 1%~2%, trace-element fertilizer 1% 2%.The special fertilizer nutrient of the citrus is polynary comprehensively, quick-acting to be combined with sustained release, can not only provide the nutrient needed for citrus normal growth, and can guarantee that citrus is given stable high yields irrespective of drought or water logging;Present invention also offers the preparation method of the citrus special fertilizer and application process, using the citrus special fertilizer can reach cost-saving synergistic purpose and ecological benefits it is notable.
Description
Technical field
The invention belongs to agricultural fertilizer field, more particularly to a kind of citrus special fertilizer and preparation method thereof and application process.
Background technology
The yield and cultivated area of mandarine occupy first place in the world.Citriculture area in 2012 is 2.45 × 106hm2,
Total output reaches 3.22 × 107T, per unit area yield 13.18t/hm2.The cultivated area of the same year Brazilian Citrus is 9.22 × 105hm2, always
Yield is 2.20 × 107T, per unit area yield 23.88t/hm2.Compared with Orange Producing big country of the world, the big original of mandarine output
Because being that citriculture area is big, but on the per unit area yield of citrus, the level of mandarine is not but high.China Orange Producing
Tremendous development is obtained, but many problems simultaneously also be present, especially there are many problems to be badly in need of solving in citrus fertilising.
Citrus is a kind of important fruit of south China, citrus apply fertilizers scientifically be capture good quality and high output important measures it
One.Many studies have shown that mandarin tree, which often produces 1000 kilograms of fruits, needs 46~50 kilograms of absorbed nitrogen, phosphorus pentoxide 8~12
Kilogram, 30 kilograms or so of potassium oxide.In addition to absorbing nutrient in soil, it there are about 50% or so nutrient and be subject to by fertilising
Supplement.According to citrus regulation of fertilizer requirement, its general fertilising can divide 4 progress, be fruit picking fertilizer for the first time, be called the winter and foster and apply fertilizer, current fertilizer
Heavy dressing is wanted, based on organic farm manure, to recover tree vigo(u)r, prevents from falling leaves, promotes bud differentiation, enriches bearing basal shoot.Second
Rudiment fertilizer, applied when 7~10d or the spring tip turn green before the sprouting of the spring tip.Third time takes the circumstances into consideration, using steady fruit fertilizer, in first time physiology to fall
Or so late May applies after fruit.4th time is that the strong fruit rush autumn is slightly fertile, and current fertilizer wants heavy dressing, is carried out in mid-July~early August.
Some citrus farmers, which lack, to be applied fertilizers scientifically method, and causing many places to have, fertilizer tree is full dead, and no fertilizer is felt famished the bad phenomenon of tree.Due to
Orange Producing has its particular requirement to nutrient supply, and peasant household's science is grasped relatively fewer, and blindly fertilising or empiric fertilization are on the high side,
Cause many problems.First, nutrition deployment is unreasonable, fertilising is universal single, and robs formula production and fertilising, causes soil organic
Matter and middle trace element extremely lack;Second, fertilizing method not science, most peasant household is on fertilization time and method still in blind
Mesh imitates, and causes nutrient supply not in time or plant recovery of nutrient is not high;Third, fertilising uses the methods of trench digging mostly, easily cause
Hinder root and be completely cured, or even burn root, influence Nutrient Absorption and tree vigo(u)r;Fourth, dry spell fertilising or dry application chemical fertilizer, cause and hinder root, burn
Tree, nutrient loss is big, and utilization rate is not high.How to be reformed from fertilizer angle, avoid the generation of above phenomenon, it appears be particularly heavy
Will, therefore, research and development one kind can reduce fertilizer amount, and the one-time use citrus that and can reduces labor of fertilizer application force intensity is special
Fertilizer, gently subtract cultivation tool significance to China's citrus.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of to mention in background above technology and defect, there is provided one
Kind applied once, whole supply, can reduce the citrus special fertilizer of labor intensity, while correspondingly provide preparation method with applying
Method.
In order to solve the above technical problems, technical scheme proposed by the present invention is:
A kind of citrus special fertilizer, the citrus special fertilizer include following components in percentage by weight:
" the sulphur clothing coating complex fertilizer " added in the present invention refers to that the content of available nitrogen is 18%, and phosphorus pentoxide content is
18%, potassium oxide content is 18% sulphur clothing coating complex fertilizer;" nitrogen-phosphorus-potassium compound fertilizer " added refers to that the content of available nitrogen is
20%, phosphorus pentoxide content 10%, potassium oxide content is 10% nitrogen-phosphorus-potassium compound fertilizer.
Above-mentioned citrus special fertilizer, it is preferred that by weight percentage, N, P in the citrus special fertilizer2O5、K2O's is total
Content is 50%~55%, and wherein N content is 20%~25%, P2O5Content is 15%~20%, K2O content be 15%~
20%.
Above-mentioned citrus special fertilizer, it is preferred that by weight percentage, slow release nitrogenous fertilizer is included in the citrus special fertilizer
With slow release potash fertilizer;The slow release nitrogenous fertilizer is provided by the resin coated urea and sulphur clothing coating complex fertilizer, nitrogen member therein
Cellulose content is the 26%~30% of total nitrogen content;The slow release potash fertilizer is carried by the coating potassium sulfate and sulphur clothing coating complex fertilizer
For Determination of Potassium therein is the 25%~30% of total potassium content.
Both contain available nutrient in the citrus special fertilizer of the present invention, again containing sustained release nutrient, wherein available nutrient is in early stage
Release, sustained release nutrient discharges in the later stage, the effect of so as to can reach single fertilization.This hair that the content for being sustained nutrient is controlled
It is in order to ensure the long-term nutrients release effect of one-time use, if ratio of the sustained release nutrient in total nutrient in bright scope
Weight is too low, and Later growth will lack fertilizer, be unfavorable for Ci trus growth.
Above-mentioned citrus special fertilizer, it is preferred that the organic slow-release agent is that the accessory substance after cotton benevolence processing extraction albumen is thick
Raffinose, its main component are to be condensed the non-reducing sugar formed, its molecular structure by 3 galactolipin, glucose and fructose monose
As shown in formula (1):
Content >=60% of non-reducing sugar in the thick raffinose, water content≤2%, the content of organic matter >=20%, through with
After micro- mixing granulation, add in granular form.
Thick raffinose is selected in the organic slow-release agent of the present invention, and its active group can be combined with nutrient, it is slowly released
Put.Contain substantial amounts of natural and organic ingredients in thick raffinose, based on small molecule non-reducing sugar, also containing protein, amino acid
Deng organic substance, chelatropic reaction is easily carried out with trace elements such as iron, copper, zinc under certain condition, forms the micro member of Chelating state
Element, so as to reduce the fixation of trace-element fertilizer in media as well;Further, since thick raffinose is containing the organic of high, medium and low molecule
Thing, the microelement chelate to form different molecular form can be chelated, is partly absorbed by plants with molecular conformation, partly need to be in enzyme
In the presence of resolve into low molecule form and be absorbed by plants, thus reach the progressively release of trace element, time of infertility supply
Slow release effect.Simultaneously in soil media, thick raffinose can be combined with the ammonium nitrogen in a great number of elements in the form of key is rolled into a ball, reachable
To the effect for reducing nitrogen loss, reaching part nitrogen sustained release.
Above-mentioned citrus special fertilizer, it is preferred that the thick raffinose is prepared by operating procedure in detail below:Cottonseed is shelled
Suede, cotton benevolence is obtained after shelling, cotton benevolence is crushed, albumen in extraction cotton benevolence is distilled with methanol at 75 DEG C~80 DEG C, then 80
DEG C~85 DEG C at remove residue in methanol, obtain residue;Residue is dried at 90 DEG C~100 DEG C, then crushes, obtains
To thick raffinose.
Above-mentioned citrus special fertilizer, it is preferred that the trace element refers to the one or more in boron, zinc, iron, manganese, molybdenum
Element, the trace-element fertilizer refer to containing one in boric acid, white vitriol, ferrous sulfate heptahydrate, manganese sulfate, ammonium molybdate
Kind or several mixtures.
The inventive concept total as one, the present invention also provide a kind of preparation method of above-mentioned citrus special fertilizer, including
Following steps:
(1) by organic slow-release agent and trace-element fertilizer mixing granulation, mixing particulate material is obtained;
(2) by potassium dihydrogen phosphate, Diammonium phosphate (DAP), potassium nitrate, ammonium sulfate, powdered urea, resin coated urea, sulphur clothing coating
Chemical Mixed Fertilizer, nitrogen-phosphorus-potassium compound fertilizer, coating potassium sulfate, potassium sulfate are well mixed with the mixing particulate material after step (1), obtain mandarin orange
Tangerine special fertilizer.
The preparation method of the present invention, will first be mixed with remaining component again after organic slow-release agent and micro- mixing granulation,
The combination of trace element and organic slow-release agent can be promoted, avoid trace element from being combined generation precipitation with rapid available phosphorus, while conveniently
Production adds.
The inventive concept total as one, the present invention also provides a kind of application process of above-mentioned citrus special fertilizer, in mandarin orange
In tangerine production process, one-time use using ditch spread or by the way of spreading manuer in holes, according to target yield is 6000~8000 pounds/acre of fresh fruit meters
Calculate, every mu of 60 tree meters, each tree disposably applies 1000~1200 grams of the citrus special fertilizer, in citrus harvesting post-trenching and has
Machine fertilizer buriing or beginning of spring next year buriing together, no longer spraying fertilizer, only carries out daily Guan Shui to promote nutrients release afterwards.
Above-mentioned application process, it is preferred that at away from 50~70cm of plant, ditch or cave are wide for the ditch spread or the position spreaded manuer in holes
20~30cm, deep 30~40cm, the citrus special fertilizer is placed along furrow bank during administration, then successively filled up ditch with native.Open
Ditch position also can all annual variations, ditch spread by turns, full Orchard Soil is all ploughed deeply and is improved.
Above-mentioned application process, it is preferred that applied again after the citrus special fertilizer is packed, the finished product edge after packaging
Furrow bank is placed vertically, is specifically packed in the following manner:In units of 80~100 grams, use using stalk as material manufacture
Degradable punching film packaging paper wrapper, punching specification are 1~1.5cm of pitch-row, 0.5~1mm of aperture, trimmed size after packaging
For the long 10~12cm of bag, wide 8~10cm.
The citrus special fertilizer of the present invention can control nutrient slowly to release by one-time use after leaching membrane paper punching packaging
Put, and reduce fertilizer application frequency and trench digging or the number of punching, will not cause to hinder root, be completely cured or burn root etc. to endanger.
Technical scheme needs fertile feature according to citrus different growing stages, based on target output, calculates individual plant
Citrus time of infertility nutrient demand amount (including a great number of elements and middle trace element) and different phase nutrient demand amount, are equipped with rationally
The available nutrient and sustained release nutrient of ratio, while using the control of organic slow-release agent and pocket to nutrients release, make dedicated fertilizer
The release of nutrient and the demand of citrus nutrient match, and so as to reach the purpose of single fertilization, and different soil fertility levels can lead to
Cross the purpose that adjustment each tree fertilizing bag number reaches stable high yield.
Using the fertilizer of the present invention on the basis of single fertilization loses weight drop work, it can not only meet that citrus diazonium early stage promotees
Bud differentiation, the later stage, light nitrogen weight phosphorus potassium strengthened the nutritive peculiarity of fruit, and can ensure the not de- fertilizer of absorption of the later stage to nutrient, ensured
Citrus is in good time ripe to be formed with nutriment, can increasing yield and improving quality.
Its total nutrient content of the citrus special fertilizer of the present invention is high, and nutrient is polynary comprehensively, and A wide selection of colours and designs is with the addition of in product
Calcium Magnesium Sulphur, iron, boron, zinc, manganese, trace element in molybdenum etc., ensure overall absorption of the citrus to each nutrition;Meanwhile using
Grain and powdered fertilizer by certain ratio and deposit (based on powdered fertilizer), it is quick-acting with slow-release fertilizer and deposit, be subject to leaching membrane paper fenestra
Control, accomplishes that nutrient discharges for a long time, so as to realize applied once, reaches saving of labor, abridged edition, upgrading, increases income, the purpose of synergy.
Compared with prior art, the advantage of the invention is that:
(1) the special fertilizer nutrient of citrus of the invention is polynary comprehensively, nutrient balance, scientific formulation, quick-acting to be combined with sustained release, no
It is only capable of providing the nutrient needed for citrus normal growth, and can guarantee that citrus is given stable high yields irrespective of drought or water logging, improves the interior quality of citrus,
Compared with orchard worker's habits fertilization, dose 40%~50% can be reduced, work manually 4~5 is reduced, reaches cost-saving synergistic
Purpose.
(2) N, P in citrus special fertilizer of the invention2O5、K2O reaches GB15063-2009 requirements, and total nutrient reaches 50%~
55%, while trace element in Calcium Magnesium Sulphur, iron, boron, zinc, manganese, molybdenum etc. is added in fertilizer, carry out punching leaching membrane paper pouch bag
Dress, product is set to be better able to meet that the citrus time of infertility grows demand, this one-time use citrus special fertilizer reaches
Advanced international level.
(3) citrus special fertilizer of the invention, can improve nutrientuse efficiency 15%~20%, so as to reduce in production
Fertilizer amount, mitigate because nutrient loss caused by excessive fertilization or habits fertilization and the influence to environment, ecological benefits are notable.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the preparation technology flow chart of citrus special fertilizer in the embodiment of the present invention 1.
Embodiment
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment to invent herein do it is more complete
Face, meticulously describe, but protection scope of the present invention is not limited to specific examples below.
Unless otherwise defined, all technical terms used hereinafter are generally understood that implication phase with those skilled in the art
Together.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention's
Protection domain.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1:
A kind of citrus special fertilizer of the invention, including following components in percentage by weight:
By weight percentage, N, P in the citrus special fertilizer of the present embodiment2O5、K2O total content is 53.2%, wherein N
Content is 20.8%, P2O5Content is 16.4%, K2O content is 16.0%;Ease up in the citrus special fertilizer comprising slow release nitrogenous fertilizer
The property released potash fertilizer;Slow release nitrogenous fertilizer is provided by resin coated urea and sulphur clothing coating complex fertilizer, and nitrogen element content therein is total nitrogen
The 26.4% of content;Slow release potash fertilizer is provided by coating potassium sulfate and sulphur clothing coating complex fertilizer, and Determination of Potassium therein is total
The 30% of potassium content.
For thick raffinose, its main component is by galactolipin, glucose and fructose 3 for the organic slow-release agent that the present embodiment uses
The non-reducing sugar that individual monose condensation forms;The content of non-reducing sugar is 66.7% in the thick raffinose, water content 1.46%, is had
Machine matter content is 27.8%.
The secondary and micro-element fertilizers that the present embodiment uses are boric acid, white vitriol, ferrous sulfate heptahydrate, manganese sulfate, molybdenum
The mixture of sour ammonium.
A kind of preparation method of the citrus special fertilizer of the present embodiment, its process chart is as shown in figure 1, including following step
Suddenly:
(1) by cottonseed stripping cotton lint, shell after obtain cotton benevolence, cotton benevolence is crushed, at 75 DEG C~80 DEG C with methanol distill extract
Albumen in cotton benevolence, the methanol in residue is then removed at 80 DEG C~85 DEG C, obtains residue;By residue 90 DEG C~100
Dried at DEG C, then crush, obtain the thick raffinose of organic slow-release agent.
(2) 15 kilograms of organic slow-release agent, 14 kilograms of trace-element fertilizer are weighed, by the thick raffinose of organic slow-release agent with it is micro
Element fertilizer mixing granulation, obtain 29 kilograms of mixing particulate material;
(3) weigh 100 kilograms of potassium dihydrogen phosphate, 143 kilograms of Diammonium phosphate (DAP), 100 kilograms of potassium nitrate, 85 kilograms of ammonium sulfate,
155 kilograms of powdered urea, 65 kilograms of resin coated urea, 133 kilograms of sulphur clothing coating complex fertilizer (18-18-18), azophoska compound
100 kilograms of fertile (20-10-10), 30 kilograms of coating potassium sulfate, 60 kilograms of potassium sulfate mix with the mixing particulate material after step (1)
Close uniformly, obtain citrus special fertilizer;
(4) by the citrus special fertilizer after step (3) in units of 80~100 grams, to stalk dropping for material manufacture
Punching film wrapping paper (punching specification be pitch-row 1cm, aperture 1mm) metering packing of solution, trimmed size is long for bag after packaging
12cm, wide 8cm, then be put in storage by every 100 one sacks of bag or a case packing.
The Comparison study experimental design of the citrus special fertilizer of the present embodiment is as follows:
For trying place:Know Pingxiang Chang Tangcun in Huaihua City Zhi Jiang counties of Hunan Province;
Experimental cultivar is crystal sugar orange, life in 5 years, seeding row spacing 150cm × 200cm;
Testing program:
60 plants/acre of orchard planting density is tested, is 54 (N+P according to local actual optimum fertilizing amount2O5+K2O) kg/ mus.Examination
Test and set 2 processing, repeat three times, per plot area 110m2(10 plants of mandarin tree), random district's groups arrangement.Control treatment T1 (CK)
For Western formula fertilizer 120kg/ mus, processing T2 is bag/plant of one-time use citrus special fertilizer 10, is converted as 60 kgs/acre.Specifically
Fertilizer applications are as follows:
T1(CK):Formula fertilizer dosage is 2kg/ strains, base manure (N:P2O5:K2O=15:15:15) 0.8kg/ strains, top dressing (N:
P2O5:K2O=15:15:15) 1.2kg/ strains, fertilization mode:On-test, chooses citrus trees similar in growing way as far as possible when arranging.
Spring bud is applied for 15 days or so before sprouting between March urges the tip fertile (ring is applied), and dose is whole year 40%;At the beginning of 6 months~July early and middle ten dayses apply strong fruit
Fertile (ring is applied), dose are whole year 60%.
T2:Using bag/plant of citrus special fertilizer 10, March in the beginning of spring the disposable citrus special fertilizer (20.8- of buriing embodiment 1
16.4-16.0) 10 bag/plant, the both sides that every mandarin tree is expert at are away from trench digging at basal part of stem 50cm, furrow width 20cm, deep 30cm, per side
Bury weight to wrap for 100 grams of (Liang Lianbao) citrus special fertilizers 5, earthing, watering, only carry out daily Guan Shui to promote nutrients release,
Manage same peasant habit.
Test results and analysis:
Fruit harvest phase cell individually surveys production, (individual) number of plant division meter and meter production (amount);Single heavy=single plant yield/individual plant is received
Obtain number.Each processing is random to take (1 every plant) progress quality determination of 10 fruits, and method is distinguished as follows:1. fruit diameter;2. can
Food rate (%)=(fruit gross weight-tare weight)/gross weight × 100;3. soluble solid is determined with Abbe refractometer;Gu 4. sour ratio
(acid base neutralization titration method determines total acid content);5. vitamin C (Vc) indophenol blue titration measuring (or the N-Serve phenol of 2,6- bis- drips
Determine method measure).Different disposal single fruit weight and volume variance are relatively shown in Table 1, different disposal fertilizer utilization efficiency comparison in difference
It is shown in Table 2, different disposal fruit quality comparison in difference is shown in Table 3.
The different disposal single fruit weight of table 1 and volume variance compare
As it can be seen from table 1 compared with peasant habit fertilising, one-time use citrus special fertilizer processing (T2), citrus
(crystal sugar orange) single fruit weight is significantly higher than peasant habit fertilizer treatment, and its yield is also higher, has reached 2894.6 kilograms every mu, than
Peasant habit fertilising volume increase 8.3%.
The different disposal fertilizer utilization efficiency comparison in difference of table 2
As known from Table 2, one-time use citrus special fertilizer, nearly 4 kilograms of isolated tree output increased, by yield divided by applies nitrogen
Amount, its nitrogenous fertilizer wilfully yield can be obtained, wilfully yield is significantly higher than peasant habit fertilizer treatment to T2 processing nitrogenous fertilizer, illustrates reducing one
In the case of half fertilizer application, pass through quick-acting and slow-release fertilizer combination and the utilization of punching controlled release bag, its utilization rate of nitrogen fertilizer
(PFP) 159.9% is improved than peasant habit fertilising.
The different disposal fruit quality comparison in difference of table 3
Processing | Gu sour ratio | Soluble solid (%) | Vc (milligram/100 gram) |
T1 | 18.9 | 16.3 | 44.3B |
T2 | 21.3 | 18.6 | 49.4A |
As known from Table 3, handle (T2) using one-time use citrus special fertilizer, it is solid it is sour than, soluble solid, Vc contents
All it is significantly higher than peasant habit fertilizer treatment, illustrates to use the citrus special fertilizer, the interior quality index and habits fertilization of citrus
Compared to being all improved.
Claims (10)
1. a kind of citrus special fertilizer, it is characterised in that the citrus special fertilizer includes following components in percentage by weight:
2. citrus special fertilizer according to claim 1, it is characterised in that by weight percentage, the citrus special fertilizer
Middle N, P2O5、K2O total content is 50%~55%, and wherein N content is 20%~25%, P2O5Content is 15%~20%, K2O
Content is 15%~20%.
3. citrus special fertilizer according to claim 1 or 2, it is characterised in that by weight percentage, the citrus is special
Slow release nitrogenous fertilizer and slow release potash fertilizer are included in fertilizer;The slow release nitrogenous fertilizer is by the resin coated urea and sulphur clothing coating compound
Fertilizer provides, and nitrogen element content therein is the 26%~30% of total nitrogen content;The slow release potash fertilizer is by the coating potassium sulfate
And sulphur clothing coating complex fertilizer provides, Determination of Potassium therein is the 25%~30% of total potassium content.
4. citrus special fertilizer according to claim 1 or 2, it is characterised in that the organic slow-release agent is thick raffinose, its
Main component is the non-reducing sugar formed by 3 galactolipin, glucose and fructose monose condensations;It is non-reduced in the thick raffinose
Content >=60% of sugar, water content≤2%, the content of organic matter >=20%.
5. citrus special fertilizer according to claim 4, it is characterised in that the thick raffinose by operating step in detail below
It is rapid to prepare:By cottonseed stripping cotton lint, shell after obtain cotton benevolence, cotton benevolence is crushed, at 75 DEG C~80 DEG C with methanol distill extraction cotton benevolence
Middle albumen, the methanol in residue is then removed at 80 DEG C~85 DEG C, obtains residue;By residue at 90 DEG C~100 DEG C
Dry, then crush, obtain thick raffinose.
6. citrus special fertilizer according to claim 1 or 2, it is characterised in that the trace-element fertilizer is containing finger boron
One or several kinds of mixtures in acid, white vitriol, ferrous sulfate heptahydrate, manganese sulfate, ammonium molybdate.
A kind of 7. preparation method such as citrus special fertilizer according to any one of claims 1 to 6, it is characterised in that including with
Lower step:
(1) by organic slow-release agent and trace-element fertilizer mixing granulation, mixing particulate material is obtained;
(2) by potassium dihydrogen phosphate, Diammonium phosphate (DAP), potassium nitrate, ammonium sulfate, powdered urea, resin coated urea, sulphur clothing coating compound
Fertilizer, nitrogen-phosphorus-potassium compound fertilizer, coating potassium sulfate, potassium sulfate are well mixed with the mixing particulate material after step (1), and it is special to obtain citrus
With fertilizer.
It is 8. a kind of such as the application process of citrus special fertilizer according to any one of claims 1 to 6, it is characterised in that in citrus
In production process, one-time use using ditch spread or by the way of spreading manuer in holes, according to target yield is 6000~8000 pounds/acre of fresh fruit meters
Calculate, each tree disposably applies 1000~1200 grams of the citrus special fertilizer, and post-trenching and organic fertilizer buriing together are harvested in citrus
Or beginning of spring next year buriing, no longer spraying fertilizer, only carries out daily Guan Shui to promote nutrients release afterwards.
9. application process according to claim 8, it is characterised in that the ditch spread or the position spreaded manuer in holes away from plant 50~
At 70cm, ditch or the wide 20~30cm in cave, deep 30~40cm, the citrus special fertilizer is placed along furrow bank during administration, then with soil
Ditch is filled up successively.
10. application process according to claim 9, it is characterised in that applied again after the citrus special fertilizer is packed
With specifically being packed in the following manner:In units of 80~100 grams, use and beaten by the degradable of material manufacture of stalk
The packaging paper wrapper of hole film, punching specification are 1~1.5cm of pitch-row, 0.5~1mm of aperture, after packaging trimmed size for bag it is long by 10~
12cm, wide 8~10cm.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
CN114573392A (en) * | 2022-03-11 | 2022-06-03 | 江西省农业科学院土壤肥料与资源环境研究所 | Granular fertilizer for delaying decline of Huanglongbing trees and method |
US11787750B1 (en) | 2022-03-11 | 2023-10-17 | Institute Of Soil Fertilizer, Resources And Environment Of Jiangxi Academy Of Agricultural Sciences | Fertilizers for delaying decay of Huanglongbing-affected tree and preparation methods thereof |
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CN114573392B (en) * | 2022-03-11 | 2023-01-17 | 江西省农业科学院土壤肥料与资源环境研究所 | Granular fertilizer for delaying decline of Huanglongbing trees and method |
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