CN108101696A - A kind of alginic acid compound fertilizer and preparation method thereof - Google Patents
A kind of alginic acid compound fertilizer and preparation method thereof Download PDFInfo
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- CN108101696A CN108101696A CN201711310810.7A CN201711310810A CN108101696A CN 108101696 A CN108101696 A CN 108101696A CN 201711310810 A CN201711310810 A CN 201711310810A CN 108101696 A CN108101696 A CN 108101696A
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- alginic acid
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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
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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
Abstract
The present invention provides a kind of alginic acid compound fertilizers, it is characterised in that, the alginic acid compound fertilizer includes the raw material of following portions by weight:20 50 parts of nitrogenous fertilizer, 10 25 parts of phosphate fertilizer, 20 45 parts of potash fertilizer, 05 parts of auxiliary material, 15 parts of alginic acid compound；Wherein described nitrogenous fertilizer, phosphate fertilizer, the nitrogen in potash fertilizer, phosphorus, potassium total nutrient weight content >=35%.Additionally provide the preparation method of alginic acid compound fertilizer.Amino acid in alginic acid can chelate middle micro- such as calcium, magnesium, the zinc of a part, the absorption efficiency of middle trace element can be further improved, improve crop quality, alginic acid can nurse one's health soil simultaneously, chesson and soil moisture is kept, enhancing a variety of anti-adversity abilities such as crop is drought-resistant, cold, saline and alkaline.
Description
Technical field
The present invention relates to the technical field of fertilizers in field of agricultural production technologies, and in particular to a kind of alginic acid compound fertilizer
And preparation method thereof.
Background technology
Alginic acid is a kind of poly uronic acid extracted from brown alga, is the main composition of brown alga cell membrane and cytoplasm
Ingredient, for seaweed acid molecule mainly by β-D-1,4- mannuronic acids (β-D-mannuronic acid, M) and α-L-1,4- are ancient
The blocked linear polymer of sieve uronic acid (α-L-guLuronic, G) both monomer compositions, it is embedding there are three kinds in molecule
Section：The block of equal polymannuronate (M) n, equal guluronic acid (G) n and two kinds of monomer alternating (MG) n of M, G.Different algal species
Middle M, G ratio have notable difference, and China is about 2.26 with the alginic acid M/G of laminaria production, and in sargassum M/G 0.8~
1.5.And the alginic acid M/G of different parts is also variant, and M/G is base portion in kelp>Middle part>Tip.Alginic acid adds fertilizer
In can strengthen that plant is balanced to be absorbed, increase agricultural output and improving quality, it is a variety of that enhancing crop is drought-resistant, cold, saline and alkaline etc.
Anti-adversity ability, while root system development can also be promoted, activating soil belongs to good plant promoter.
But alga fertilizer manufacturing enterprise is to increase fertilizer efficiency, generally can also add nitrogen, phosphorus, potassium and calcium, magnesium, copper, iron, manganese,
Zinc, boron etc. are big, middle and trace element, some also compounding fulvic acid, humate etc..Traditional chemical fertilizer fertilizer efficiency is single, pollution
Seriously, long-time service can cause soil texture to be destroyed.Alga fertilizer category natural seaweed extract, has good parent with terrestrial plant
And property, it is nontoxic to people, animal, it is environmentally safe, have the advantages that other any chemical fertilizer are all incomparable, in foreign countries
It is put into organic food special fertilizer material.
The content of the invention
With the presence of in the background technology the technical issues of, the present invention proposes a kind of alginic acid compound fertilizer and its preparation side
Method, the compound fertilizer have polymerize various active substance, possess comprehensive nutrition, disease-resistant yield-increasing, live many advantages, such as native, nuisanceless,
It is the good fertilizer for really meeting modern agricultural development direction.Specific technical solution is as follows：
A kind of alginic acid compound fertilizer, the alginic acid compound fertilizer include the raw material of following portions by weight:
20-50 parts of nitrogenous fertilizer, 10-25 parts of phosphate fertilizer, 20-45 parts of potash fertilizer, 0-5 parts of auxiliary material, 1-5 parts of alginic acid compound；Wherein
Nitrogen, phosphorus, potassium total nutrient weight content >=35% in the nitrogenous fertilizer, phosphate fertilizer, potash fertilizer.
Preferably, the nitrogenous fertilizer includes urea and non-urea nitrogen fertilizer, and the non-urea nitrogen fertilizer selects nitre phosphorus compound fertilizer, nitric acid phosphorus
One or more in fertilizer, ammonium nitrate, ammonium sulfate or potassium nitrate.
Preferably, the phosphate fertilizer includes polymerization phosphate fertilizer and non-polymeric phosphate fertilizer, and the polymerization phosphate fertilizer selects ammonium polyphosphate and more
One or both of polyphosphoric acid, the non-polymeric phosphate fertilizer select nitre phosphorus compound fertilizer, monoammonium phosphate, calcium magnesium phosphate or calcium superphosphate
It is one or more.
Preferably, the potash fertilizer is the one or more in potassium sulfate, potassium carbonate or potassium chloride.
Preferably, the alginic acid compound includes the raw material of following weight percentage：Middle trace element fertilizer 80-90%,
Sodium salicylate 0-5%, citric acid 0-10%, alginic acid 3-5%.
Preferably, the middle trace element fertilizer be selected from calcareous fertilisers, fertiliser containing magnesium, sulfur fertilizer and boron fertilizer, manganese fertilizer, zinc fertilizer, copper fertilizer, molydbenum fertilizer,
Iron fertilizer.
Wherein calcareous fertilisers are selected from quick lime or white lime.
One or more of the fertiliser containing magnesium in magnesium sulfate, magnesium nitrate, magnesium chloride, magnesium chloride and potassic-magnesian fertilizer.
The sulfur fertilizer is selected from gypsum (main component CaSO4·2H2O), ammonium sulfate, potassium sulfate, magnesium sulfate, green grass or young crops (green) alum
(FeSO4·7H2O the one or more) and in sulphur.
The boron fertilizer is selected from boric acid or borax.The manganese fertilizer is selected from manganese sulfate (MnSO4·3H2O).The zinc fertilizer is selected from sulphur
One or more in sour zinc, monohydrate zinc sulphate, zinc oxide, zinc chloride and zinc carbonate.
The copper fertilizer is selected from copper sulphate (CuSO4·5H2O), in chelant state copper (NaCu-EDTA), copper oxide and Copper Slag
It is one or more.
The molydbenum fertilizer is selected from (NH4)2MoO4.The iron fertilizer is selected from ferrous sulfate.
Preferably, the auxiliary material includes nutrition accessory and shaping auxiliary materials, and the nutrition accessory is pulverized limestone and iron oxide black
One or both of, the shaping auxiliary materials are one or both of forming agent and anti hardening agent.
Preferably, the anti hardening agent is anti-compaction powder or anti-compaction oil.
Preferably, the anti-compaction powder selects talcum powder.
Preferably, the anti-compaction oil selects indeterminate plant oil.
The present invention also provides a kind of preparation method of alginic acid compound fertilizer, the preparation method comprises the following steps：
Non-urea nitrogen fertilizer is added in a kettle, and being heated to 170~180 DEG C makes non-urea nitrogen fertilizer in melting charge pulpous state
State；
Temperature is kept, urea and polymerization phosphate fertilizer are added in melting charge slurry, it is made fully to carry out polymerisation, forms poly
Phosphate fertilizer；
Temperature is adjusted to 160~170 DEG C, non-polymeric phosphate fertilizer is added in and is stirred；
Temperature is down to 150~160 DEG C, adds in alginic acid compound, the reaction time was controlled at 5~10 minutes, filled it
Divide reaction；
Temperature is kept, adds in potash fertilizer and nutrition accessory, after stirring evenly, granulation slot is transferred to and is granulated；
It is granulated after being formed and shaping auxiliary materials is sprayed on particle surface, it is hardened to prevent that particle from generating, finally pack packaging.
Preferably, the non-urea nitrogen fertilizer is selected in nitre phosphorus compound fertilizer, nitrophosphate fertilizer, ammonium nitrate, ammonium sulfate or potassium nitrate
It is one or more.
Preferably, the polymerization phosphate fertilizer selects one or both of ammonium polyphosphate and polyphosphoric acids, the non-polymeric phosphorus
Fertilizer selects the one or more of nitre phosphorus compound fertilizer, monoammonium phosphate, calcium magnesium phosphate or calcium superphosphate.
Preferably, the raw material in the preparation method of the alginic acid compound fertilizer by weight, the urea and non-urine
The total weight parts of plain nitrogenous fertilizer are 20-50 parts.Preferably, the weight ratio of the urea and non-urea nitrogen fertilizer is 1.5-5:40-50.It is excellent
Choosing, the weight ratio of the urea and non-urea nitrogen fertilizer is 1.55:43.5.
Preferably, the raw material in the preparation method of the alginic acid compound fertilizer by weight, it is described polymerization phosphate fertilizer and
The total weight parts of non-polymeric phosphate fertilizer are 10-25 parts.Preferably, the weight ratio of the polymerization phosphate fertilizer and non-polymeric phosphate fertilizer is 1.5-2:
12-16.Preferably, the weight ratio of the polymerization phosphate fertilizer and non-polymeric phosphate fertilizer is 1.72:14.66.
Preferably, by weight, the alginic acid is compound for the raw material in the preparation method of the alginic acid compound fertilizer
Object parts by weight are 1-5 parts.The potash fertilizer parts by weight are 20-45 parts.
Preferably, the alginic acid compound includes the raw material of following weight percentage：Middle trace element fertilizer 80-90%,
Sodium salicylate 0-5%, citric acid 0-10%, alginic acid 3-5%.
Preferably, the raw material in the preparation method of the alginic acid compound fertilizer by weight, the auxiliary material 0.17-5
Part.The auxiliary material includes nutrition accessory and shaping auxiliary materials, and the nutrition accessory is one kind or two in pulverized limestone and iron oxide black
Kind, the shaping auxiliary materials are one or both of forming agent and anti hardening agent.
Beneficial effects of the present invention：
(1) polyphosphate generated by high temperature polymerization reaction, possesses effect micro- in chelating, can improve
Middle trace element efficiency in vivo from soil to plant, Quadrafos as the phosphate fertilizer of long-acting slow-release, can improve the profit of phosphate fertilizer
With rate.
(2) amino acid in alginic acid can chelate middle micro- such as calcium, magnesium, the zinc of a part, can be further
Micro- absorption efficiency in raising, alginic acid can nurse one's health soil simultaneously, and chesson and holding soil moisture, enhancing are made
A variety of anti-adversity abilities such as object is drought-resistant, cold, saline and alkaline.
(3) nutrition is comprehensive, comprising a great number of elements, moderate-element, trace element and organic nutrition, can reduce applying for peasant household
Fertile dosage and fertilizer application frequency.
(4) in each different times using the compound fertilizer, fertilizer can effectively be absorbed by plant, so in planting soil
Remaining fertilizer reduces on earth, can keep soil from packing together, utilization rate of fertilizer higher.
Specific embodiment
As described below is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
The preparation embodiment of alginic acid compound fertilizer
Embodiment 1
The dosage of each raw material in the 100kg alginic acid compound fertilizers of preparation is following：
Nitrogenous fertilizer 46.41kg, wherein non-urea nitrogen fertilizer：Nitre phosphorus compound fertilizer 30kg, nitrophosphate fertilizer 13.2kg, ammonium sulfate 1.66kg,
Urea 1.55kg.
Phosphate fertilizer 14.72kg polymerize phosphate fertilizer：Polyphosphoric acids 1.72kg, non-polymeric phosphate fertilizer：Calcium magnesium phosphate 2kg, monoammonium phosphate
11kg。
Potash fertilizer 37.16kg：Potassium sulfate 33.28kg, potassium chloride 3.88kg.
Alginic acid compound 1.04kg.Wherein middle trace element fertilizer 85%, citric acid 10%, alginic acid 5%.It is micro- in wherein
Weight ratio is in secondary element fertilizer：Magnesia：Monohydrate zinc sulphate：Borax=1:1:1.
Auxiliary material 0.67kg, nutrition accessory：Iron oxide black 0.17kg, shaping auxiliary materials：Anti-compaction powder is talcum powder 0.5kg.
Preparation method comprises the following steps：
Step 1：Non-urea nitrogen fertilizer is added in a kettle, and being heated to 170~180 DEG C makes non-urea nitrogen fertilizer in melting charge
Pulpous state state；
Step 2：Temperature is kept, urea and polymerization phosphate fertilizer are added in melting charge slurry, it is made fully to carry out polymerisation, shape
Into poly phosphate fertilizer；
Step 3：Temperature is adjusted to 160~170 DEG C, non-polymeric phosphate fertilizer is added in and is stirred；
Step 4：Temperature to be down to 150~160 DEG C, adds in alginic acid compound, the reaction time was controlled at 5~10 minutes,
It is made fully to react；
Step 5：Temperature is kept, adds in potash fertilizer and nutrition accessory, after stirring evenly, granulation slot is transferred to and is granulated；
Step 6：It is granulated after being formed and talcum powder is sprayed on particle surface, it is hardened to prevent that particle from generating, finally pack packaging,
Obtain alginic acid compound fertilizer A.
Embodiment 2
The dosage of each raw material in the 100kg alginic acid compound fertilizers of preparation is following：
Nitrogenous fertilizer 46.41kg, non-urea nitrogen fertilizer：Nitre phosphorus compound fertilizer 30kg, nitrophosphate fertilizer 12.2kg, ammonium nitrate 1.66kg, urea
2.55kg。
Phosphate fertilizer 14.72kg polymerize phosphate fertilizer：Ammonium polyphosphate 1.72kg, non-polymeric phosphate fertilizer：Calcium magnesium phosphate 2kg, monoammonium phosphate
11kg。
Potash fertilizer 37.16：Potassium sulfate 33.28kg, potassium chloride 3.88kg.
Alginic acid compound 1.22kg.Wherein middle trace element fertilizer 90%, sodium salicylate 5%, alginic acid 5%.In wherein
Trace element fertilizer is：Chelant state copper (NaCu-EDTA)：Zinc carbonate：Boric acid=1.5:0.5:1.
Auxiliary material 0.49kg.Nutrition accessory：Pulverized limestone 0.11kg, shaping auxiliary materials：Anti-compaction oil for indeterminate plant oil 0.25kg,
Anti-compaction powder is talcum powder 0.13kg.
Preparation method comprises the following steps：
Step 1：Non-urea nitrogen fertilizer is added in a kettle, and being heated to 170~180 DEG C makes non-urea nitrogen fertilizer in melting charge
Pulpous state state；
Step 2：Temperature is kept, urea and polymerization phosphate fertilizer are added in melting charge slurry, it is made fully to carry out polymerisation, shape
Into poly phosphate fertilizer；
Step 3：Temperature is adjusted to 160~170 DEG C, non-polymeric phosphate fertilizer is added in and is stirred；
Step 4：Temperature to be down to 150~160 DEG C, adds in alginic acid compound, the reaction time was controlled at 5~10 minutes,
It is made fully to react；
Step 5：Temperature is kept, adds in potash fertilizer and nutrition accessory, after stirring evenly, granulation slot is transferred to and is granulated；
Step 6：It is granulated after being formed and hardened oily and hardened powder is sprayed on particle surface, it is hardened to prevent that particle from generating, finally
Pack packaging, obtains alginic acid compound fertilizer B.
Embodiment 3
Each raw material weight percentage in the 100kg alginic acid compound fertilizers of preparation is following：
Nitrogenous fertilizer 46.41kg, non-urea nitrogen fertilizer：Nitre phosphorus compound fertilizer 30kg, nitrophosphate fertilizer 13.2kg, ammonium sulfate 1.66kg, urea
1.55kg。
Phosphate fertilizer 14.72kg polymerize phosphate fertilizer：Polyphosphoric acids 1.72kg, non-polymeric phosphate fertilizer：Calcium magnesium phosphate 2kg, monoammonium phosphate
6kg, calcium magnesium phosphate 5kg.
Potash fertilizer 37.16kg：Potassium sulfate 33.28kg, potassium carbonate 3.88kg.
Alginic acid compound 1.04kg：Wherein by weight percentage, middle trace element fertilizer 87%, sodium salicylate 5%, lemon
Lemon acid 5%, alginic acid 3%.Wherein middle trace element fertilizer weight ratio is：Magnesium sulfate：Zinc oxide：Borax=1.5:1:0.5.
Auxiliary material.Nutrition accessory：Iron oxide black 0.17kg, shaping auxiliary materials：Anti-compaction powder is talcum powder 0.5kg.
Preparation method comprises the following steps：
Step 1：Non-urea nitrogen fertilizer is added in a kettle, and being heated to 170~180 DEG C makes non-urea nitrogen fertilizer in melting charge
Pulpous state state；
Step 2：Temperature is kept, urea and polymerization phosphate fertilizer are added in melting charge slurry, it is made fully to carry out polymerisation, shape
Into poly phosphate fertilizer；
Step 3：Temperature is adjusted to 160~170 DEG C, non-polymeric phosphate fertilizer is added in and is stirred；
Step 4：Temperature to be down to 150~160 DEG C, adds in alginic acid compound, the reaction time was controlled at 5~10 minutes,
It is made fully to react；
Step 5：Temperature is kept, adds in potash fertilizer and nutrition accessory, after stirring evenly, granulation slot is transferred to and is granulated；
Step 6：It is granulated after being formed and talcum powder is sprayed on particle surface, it is hardened to prevent that particle from generating, finally pack packaging,
Obtain alginic acid compound fertilizer C.
Comparative example
Comparative example 1：Unlike compared with Example 1, do not add alginic acid compound in comparative example 1, other conditions with
Embodiment 1 is identical, and alginic acid compound fertilizer A1 is prepared.
Comparative example 2：Unlike compared with Example 1, the middle trace element fertilizer in alginic acid compound in comparative example 2
It is replaced using ammonium nitrate, other conditions are same as Example 1, and alginic acid compound fertilizer A2 is prepared.
Comparative example 3：Unlike compared with Example 1, only have shaping auxiliary materials in the auxiliary material in comparative example 3, do not add battalion
Powder is supported, other conditions are same as Example 1, and alginic acid compound fertilizer A3 is prepared.
Comparative example 4：Unlike compared with Example 1, the ratio of the alginic acid in alginic acid compound in comparative example 4
For 1%, the ratio of secondary and micro-element fertilizers is 89%, and the ratio of citric acid is 10%.I.e. compared with embodiment, the use of alginic acid
Amount is reduced, and other conditions are same as Example 1, and alginic acid compound fertilizer A4 is prepared.
Comparative example 5：Unlike compared with Example 1, the phosphate fertilizer in comparative example 5 does not use polymerization phosphate fertilizer, i.e., does not add
Polyphosphoric acids, other conditions are same as Example 1, and alginic acid compound fertilizer A5 is prepared.
Comparative example 6：Compared with Example 1 unlike, in the step 2 of preparation method by urea in step 1 with it is non-
Urea nitrogenous fertilizer is added in reaction kettle simultaneously, and other conditions are same as Example 1, and alginic acid compound fertilizer A6 is prepared.
Comparative example 7：Unlike compared with Example 1, the reaction temperature dimension in the step 1 to step 4 of preparation method
It holds between 170-180 DEG C, i.e., the reaction temperature in step 3 and step 4 does not reduce, and other conditions are same as Example 1, prepares
Obtain alginic acid compound fertilizer A7.
Effect example 1
1.1 test site:Shenzhen City, Guangdong Province light new district building village, physiochemical properties of soil see the table below 1.
Table 1
| The soil texture | pH | Organic matter (g/kg) | Full nitrogen (g/kg) | Available phosphorus (mg/kg) | Available potassium (mg/kg) |
| Sandy loam | 5.1 | 15.45 | 0.75 | 52.3 | 78.6 |
1.2 for studying object:Brassica rapa L
1.3 for examination fertilizer:
1.3.1 the alginic acid compound fertilizer A1-A7 in alginic acid compound fertilizer A, B, C of the present invention and comparative example.
1.3.2 custom fertilizer (N 15, P205 15、K20 15)、
1.3.3 Routine control fertilizer:By weight, urea (N 46%), calcium superphosphate (P20512%), potassium sulfate (K20
40%) mixture.
1.4 experimental design
This experiment sets 12 experiments altogether, and each 3 repetitions of experimental setup are averaged, random alignment, each to repeat to choose
10 plants of Brassica rapa Ls.Organic fertilizer is administered according to locality custom in base manure.
It tests in 13 days Mays in 2016, June in 2016,21 end of day was checked and accepted, and Shanghai is analyzed using iodometric determination
Ascorbic content in green grass or young crops.Effect such as table 2.
Table 2
It can be seen that the alginic acid compound fertilizer prepared using the embodiment of the present invention from the effect data result of above-mentioned table 2
The effect being applied in Brassica rapa L crop is more preferable.
Due to containing in the fertilizer that can be seen that from the comparing result of comparative example 1 and embodiment 1 in the embodiment of the present invention 1
Alginic acid compound, the property indices of product are more superior than comparative example 1, this is because the amino acid in alginic acid can be with chela
Unify middle micro- such as calcium, magnesium, the zinc of part, the absorption efficiency of middle trace element can be further improved, alginic acid is same
When can nurse one's health soil, chesson and keep soil moisture, a variety of anti-adversity abilities such as enhancing crop is drought-resistant, cold, saline and alkaline.
And from comparative example 2 compared with Example 1, the property indices of product are declined slightly compared to embodiment 1, this explanation
By alginic acid with middle trace element is compound can chelate in it is micro-, be more easy to absorb for crop.
From comparative example 3 compared with Example 1, the property indices of product are declined slightly compared to embodiment 1, this is because
Nutrition accessory is added in steps of 5, and alginic acid can be allowed to be chelated herein with the calcium constituent in nutrition accessory or ferro element, carried
The chelation percent of high alginic acid improves crop absorption rate.
From comparative example 4 compared with Example 1, after the dosage of alginic acid is reduced, the property indices of product are compared to real
It applies example 1 to decline, this illustrates that alginic acid influences the growth of product.
From comparative example 5 compared with Example 1, the property indices of product decline compared to embodiment 1, this explanation passes through height
The polyphosphate that warm polymerisation generates possesses effect micro- in chelating, and trace element is from soil in can improving
To the in vivo efficiency of plant, Quadrafos as the phosphate fertilizer of long-acting slow-release, can improve the utilization rate of phosphate fertilizer.Into raising product
Quality and yield.
From comparative example 6, comparative example 7 compared with Example 1, the property indices of product are declined slightly compared to embodiment 1,
This explanation is during alginic acid compound fertilizer is prepared, the reaction temperature pair in addition step and each step to urea
There is notable difference when obtained alginic acid composite fertilizer is on the clear crop in Shanghai, effect in embodiments of the present invention compared with
It is good.
Generally speaking, from the result of table 2 it is known that alginic acid compound fertilizer use using the present invention is on crops
When effect get well when being accustomed to fertile, Routine control fertilizer effect.The formula of the embodiment of the present invention and preparation process are preferable simultaneously.
Effect example 1
2.1 test site:Shenzhen City, Guangdong Province light new district Gongming base, physiochemical properties of soil see the table below 3.
Table 3
| The soil texture | pH | Organic matter (g/kg) | Full nitrogen (g/kg) | Available phosphorus (mg/kg) | Available potassium (mg/kg) |
| Sandy loam | 5.2 | 13.45 | 0.72 | 55.6 | 79.4 |
2.2 for studying object:Lichee, kind：Osmanthus taste.
2.3 for examination fertilizer:
2.3.1 the alginic acid compound fertilizer A1-A7 in alginic acid compound fertilizer A, B, C of the present invention and comparative example.
2.3.2 custom fertilizer (N15, P205 15、K20 15)、
2.3.3 Routine control fertilizer:Urea (N 46%), calcium superphosphate (P20512%), potassium sulfate (K20 50%) mixture.
2.4 experimental design
This experiment sets 12 experiments altogether, and each 3 repetitions of experimental setup are averaged, random alignment, each to repeat to choose
10 plants of osmanthus taste lichee.Organic fertilizer is administered according to locality custom in base manure.
It tests in 2 months 2017 No. 20, July in 2017,10 end of day was checked and accepted, and the detection method of pol is using hand
Hold saccharimeter detection.Effect such as table 4.
Table 4
From table 4, it can be seen that the effect when alginic acid compound fertilizer of the embodiment of the present invention to be applied in litchi is similary
Comparative superiority.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of alginic acid compound fertilizer, it is characterised in that, the alginic acid compound fertilizer includes the raw material of following portions by weight:
20-50 parts of nitrogenous fertilizer, 10-25 parts of phosphate fertilizer, 20-45 parts of potash fertilizer, 0-5 parts of auxiliary material, 1-5 parts of alginic acid compound；It is wherein described
Nitrogen, phosphorus, potassium total nutrient weight content >=35% in nitrogenous fertilizer, phosphate fertilizer, potash fertilizer.
2. alginic acid compound fertilizer as described in claim 1, it is characterised in that, the nitrogenous fertilizer includes urea and non-urea nitrogen
Fertilizer, the non-urea nitrogen fertilizer select the one or more in nitre phosphorus compound fertilizer, nitrophosphate fertilizer, ammonium nitrate, ammonium sulfate or potassium nitrate.
3. alginic acid compound fertilizer as described in claim 1, it is characterised in that, the phosphate fertilizer includes polymerization phosphate fertilizer and non-polymeric
Phosphate fertilizer, the polymerization phosphate fertilizer select one or both of ammonium polyphosphate and polyphosphoric acids, and the non-polymeric phosphate fertilizer selects nitre phosphorus
Compound fertilizer, monoammonium phosphate, the one or more of calcium magnesium phosphate or calcium superphosphate.
4. alginic acid compound fertilizer as described in claim 1, it is characterised in that, the potash fertilizer is potassium sulfate, potassium carbonate or chlorine
Change the one or more in potassium.
5. alginic acid compound fertilizer as described in claim 1, it is characterised in that, the alginic acid compound includes following weight
The raw material of percentage：Middle trace element fertilizer 80-90%, sodium salicylate 0-5%, citric acid 0-10%, alginic acid 3-5%.
6. alginic acid compound fertilizer as described in claim 1, it is characterised in that, the auxiliary material includes nutrition accessory and is molded auxiliary
Material, the nutrition accessory are one or both of pulverized limestone and iron oxide black, and the shaping auxiliary materials are forming agent and anti-compaction
One or both of agent.
7. alginic acid compound fertilizer as claimed in claim 6, it is characterised in that, the anti hardening agent is anti-compaction powder or anti-plate
Knot oil.
8. alginic acid compound fertilizer as claimed in claim 7, it is characterised in that, the anti-compaction powder selects talcum powder.
9. alginic acid compound fertilizer as claimed in claim 7, it is characterised in that, the anti-compaction oil selects indeterminate plant oil.
10. a kind of preparation method of alginic acid compound fertilizer, it is characterised in that, the preparation method comprises the following steps：
Non-urea nitrogen fertilizer is added in a kettle, and being heated to 170~180 DEG C makes non-urea nitrogen fertilizer in melting charge slurry state；
Temperature is kept, urea and polymerization phosphate fertilizer are added in melting charge slurry, it is made fully to carry out polymerisation, forms poly phosphorus
Fertilizer；
Temperature is adjusted to 160~170 DEG C, non-polymeric phosphate fertilizer is added in and is stirred；
Temperature is down to 150~160 DEG C, adds in alginic acid compound, the reaction time was controlled at 5~10 minutes, made it fully anti-
It should；
Temperature is kept, adds in potash fertilizer and nutrition accessory, after stirring evenly, granulation slot is transferred to and is granulated；
It is granulated after being formed and shaping auxiliary materials is sprayed on particle surface, it is hardened to prevent that particle from generating, finally pack packaging.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928850A (en) * | 2019-04-02 | 2019-06-25 | 云南云天化以化磷业研究技术有限公司 | A kind of particle compound fertilizer and preparation method thereof of the phosphorus containing polymerization |
| CN110156512A (en) * | 2019-04-24 | 2019-08-23 | 青岛明月蓝海生物科技有限公司 | A kind of urea groups compound fertilizer and preparation method thereof containing alginic acid |
| CN111217642A (en) * | 2018-11-08 | 2020-06-02 | 深圳市芭田生态工程股份有限公司 | Compound fertilizer and preparation method and application thereof |
| CN111348954A (en) * | 2018-12-21 | 2020-06-30 | 深圳市芭田生态工程股份有限公司 | Special fertilizer for fruit trees and preparation method thereof |
| CN111362759A (en) * | 2020-04-09 | 2020-07-03 | 山东恩宝生物科技有限公司 | Alginic acid fertilizer with water and fertilizer retention function and preparation method thereof |
| CN111574273A (en) * | 2020-04-28 | 2020-08-25 | 贵州芭田生态工程有限公司 | Preparation method of poly ammonium phosphate calcium nitrate magnesium fertilizer and poly ammonium phosphate calcium nitrate magnesium fertilizer |
| CN114292142A (en) * | 2022-01-24 | 2022-04-08 | 安徽朴茂农业科技有限公司 | Polyuronic acid ecological fertilizer additive and application thereof |
| CN114436701A (en) * | 2022-03-07 | 2022-05-06 | 江西神州通油茶科技有限公司 | Organic fertilizer containing camellia oleifera extract for promoting crop growth and preparation method thereof |
| CN115448793A (en) * | 2022-09-16 | 2022-12-09 | 安徽司尔特化肥科技有限公司 | Alginic acid-containing bulk blend fertilizer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111217642A (en) * | 2018-11-08 | 2020-06-02 | 深圳市芭田生态工程股份有限公司 | Compound fertilizer and preparation method and application thereof |
| CN111348954A (en) * | 2018-12-21 | 2020-06-30 | 深圳市芭田生态工程股份有限公司 | Special fertilizer for fruit trees and preparation method thereof |
| CN109928850A (en) * | 2019-04-02 | 2019-06-25 | 云南云天化以化磷业研究技术有限公司 | A kind of particle compound fertilizer and preparation method thereof of the phosphorus containing polymerization |
| CN110156512A (en) * | 2019-04-24 | 2019-08-23 | 青岛明月蓝海生物科技有限公司 | A kind of urea groups compound fertilizer and preparation method thereof containing alginic acid |
| CN111362759A (en) * | 2020-04-09 | 2020-07-03 | 山东恩宝生物科技有限公司 | Alginic acid fertilizer with water and fertilizer retention function and preparation method thereof |
| CN111574273A (en) * | 2020-04-28 | 2020-08-25 | 贵州芭田生态工程有限公司 | Preparation method of poly ammonium phosphate calcium nitrate magnesium fertilizer and poly ammonium phosphate calcium nitrate magnesium fertilizer |
| CN114292142A (en) * | 2022-01-24 | 2022-04-08 | 安徽朴茂农业科技有限公司 | Polyuronic acid ecological fertilizer additive and application thereof |
| CN114436701A (en) * | 2022-03-07 | 2022-05-06 | 江西神州通油茶科技有限公司 | Organic fertilizer containing camellia oleifera extract for promoting crop growth and preparation method thereof |
| CN115448793A (en) * | 2022-09-16 | 2022-12-09 | 安徽司尔特化肥科技有限公司 | Alginic acid-containing bulk blend fertilizer and preparation method thereof |
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