CN104788170B - Alkalescent slow-release compound fertilizer, silicon substrate alkalescent sustained release composite microbe fertilizer and preparation method thereof - Google Patents
Alkalescent slow-release compound fertilizer, silicon substrate alkalescent sustained release composite microbe fertilizer and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of alkalescent slow-release compound fertilizer, silicon substrate alkalescent sustained release composite microbe fertilizer and preparation method thereof.Alkalescent slow-release compound fertilizer, including the parts by weight of water miscible silicate 20 200, the parts by weight of APP 50 400, the parts by weight of organic matter carrier 200 700, the pH value of the APP are more than or equal to 7.Silicon substrate alkalescent is sustained composite microbe fertilizer, and beneficial bacterium masterbatch is added on the basis of alkalescent slow-release compound fertilizer.The present invention selects APP, itself not only N and P containing high level, and the peculiar degree of polymerization of APP and the function of superpower complexed metal cation, it is set to possess the middle micro- ability in prominent long-acting slow-release and chelating soil, the rate of release of phosphorus and ammonium is slow, therefore persistent；(element silicon can print heavy metal and be absorbed by plants；PH value is 7 8.5, is conducive to soil improvement.
Description
Technical field
The invention belongs to chemical fertilizer field, and in particular to alkalescent slow-release compound fertilizer, silicon substrate alkalescent sustained release complex microorganism
Fertilizer and the preparation method of the two.
Background technology
Element silicon is to contain silicon in the important nutrient of plant, most of plant.Detection shows, produces 1000 kilograms
Paddy, the uptake of paddy rice aerial part silica is up to 150 kilograms, more than the summation of rice absorbing N P and K.From paddy rice, small
In wheat, barley, soybean, French beans, six kinds of crop ash contents of fennel, nutrient silicon, phosphorus, potassium, calcium, magnesium, iron, the oxide of manganese account for ash
80% or so divided, wherein Si oxide accounts for 14.2%-61.4%.Apply the photosynthesis that siliceous fertilizer is conducive to improving crop, crop
After Applying silicon fertilizer, crop epidermal cell siliceousization can be made, make that the cauline leaf of crop is straight and upright, reduction is sheltered from heat or light, and makes leaf photosynthesis.
As after Fertilizer in Rice silicon, blade angle shrinks 25.4 degree, and canopy photosynthetic organ improves more than 10%.Siliceous fertilizer can strengthen crop to disease pest
Harmful resistance, reduces disease pest harm, and crop is absorbed after silicon, forms silicified cell in vivo, thickeies cauline leaf cells of superficial layer wall,
Cuticula increase, so that insect prevention resistance against diseases is improved, particularly to rice blast, leaf spot, stem rot, small viscous sclerotiniose, Bai Ye
Rot and snout moth's larva, wheat powdery mildew, rust, wheat fly, bollworm etc..Siliceous fertilizer can improve that crop is resistant to lodging, due to the stalk of crop
Directly, lodging tolerance is made to improve 80% or so.Siliceous fertilizer can strengthen aeration in crop body, and silicon content increase, makes in crop body
Crop catheter is strengthened, and promotes aeration, and it is significant that this likes silicon crop to paddy rice apple etc..Root of the crop can not only be promoted
System's growth, can also prevent rotting and early ageing for root system, especially the root rot for preventing and treating paddy rice is played an important role.Improve crop degeneration-resistant
Property, apply after siliceous fertilizer, the silicified cell of generation effectively adjusts the opening and closing of Stoma of Leaves, excavate moisture transpiration effect, improve crop
Drought resisting, hot-dry wind tolerance and anti-seismic design.Silicon can reduce the phosphorus in fixation of the phosphorus in soil, activating soil, and promote phosphorus
Operating in crop body, so as to improve setting percentage.Siliceous fertilizer is health care fertilizer, can improved soil, the acidity of correction soil, raising
Soil alkali, promotes organic fertilizer to decompose, and suppresses soil germ.Silicon is Quality Element, plays the role of to improve quality of agricultural product, and have
Beneficial to storage and transport.
Soil acidification is to restrict one of subject matter of China's agricultural sustainable development, and China's soil acidification problem is very tight
Weight, all kinds of acidified soil areas about 200,000,000 hm2.In recent years, with industrial development, being continuously increased of acid rain, chemical fertilizer it is a large amount of
Using, crops, continuously harvest removes soil neutral and alkali material etc., causes soil acidification to be further exacerbated by.It can be led after soil acidification
Cause a large amount of leaching losses of nutrient such as Ca, Mg, P in soil；And heavy metal in soil activity can be greatly increased, acid soil heavy metal
Murder by poisoning is suppression plant growth and causes the principal element of crop failure.
China's heavy metal pollution of soil problem has been on the rise, and very big threat has been produced to the healthy of people.And
Its heavy metal for accumulating in vivo of crops is entered after human body by food chain, can bring potentially hazardous to the mankind are healthy.
Therefore, be also badly in need of it is a kind of will not make the fertilizer of soil acidification, with applied to agricultural production.
The content of the invention
The present invention is low in order to solve existing fertilizer available silicon content, and there is provided one for the low technical problem of the absorption rate of silicon
Plant alkalescent slow-release compound fertilizer, silicon substrate alkalescent sustained release composite microbe fertilizer and the preparation method that described two fertilizer are provided.
The present invention technical solution be：
Alkalescent slow-release compound fertilizer, it is characterized in that：Including water miscible silicate 20-200 parts by weight, polyphosphoric acid
Ammonium 50-400 parts by weight, organic matter carrier 200-700 parts by weight, the pH value of the APP are more than or equal to 7.
APP, is metal cation couplant, and increase crop, to the absorptivity of metal cation, is alkalescent, this
Body contains the slow-release function of certain degree of polymerization, the element needed for supplement phosphorus two kinds of plants of nitrogen.
Silicone content in water miscible silicate is higher, and the absorption rate of silicon is high, and generation is combined with all kinds of heavy metals
Flocculation, suppresses the absorption of crop heavy metal in sour environment, it is to avoid enter vegetable food product chain, has super again after forming single silicic acid
Strong permeability, makes crop be more easy to absorb nutrient；Work rapid；Silicon element in silicate can the happiness silicon such as increasing both production and income paddy rice make
Thing, enhancing crop skin hardness and brightness.
The addition of organic matter carrier, only soil does not provide a large amount of organic matters, so as to be conducive to plant growth, and avoids
Potassium silicate is independently matched with APP and chemically reacted, and influences the performance of APP polymerizable functional.
Above-mentioned alkalescent slow-release compound fertilizer also includes the compound 200-400 mass fraction containing N element more than 30%
Parts by weight, compound of the mass fraction containing N element more than 30% is urea or other nitrogen-containing compounds.
Organic matter carrier in above-mentioned alkalescent slow-release compound fertilizer is nitrohumic acid ammonium, fermentation cigarette foam or powdered rice hulls or
At least one of person's humic acid or mushroom residue.Humic acid sheet is as alkalescent, after nitrification, increases the activity of humic acid,
Increase N element, combined with the N element in compound of the mass fraction containing N element more than 30%, form weakly alkaline nitrification
Ammonium humate, the degree that reduction potassium silicate chemically reacts with APP.Fermentation cigarette foam contains nicotine, can with anthelmintic action
To supplement organic matter, chesson, safety is free of heavy metal, and wide material sources can effectively utilize tobacco factory's rubbish, is carbonized naturally
Speed is many soon compared to organic matters such as stalks, and the cycle for changing into organic matter is short, the long action time of organic matter, and itself contains 8
Individual NPK, NPK content are relatively enriched.
The degree of polymerization of APP in above-mentioned alkalescent slow-release compound fertilizer is at least one of 1-50.
The degree of polymerization of APP in above-mentioned alkalescent slow-release compound fertilizer is that n1 and n2, n1 are not equal to n2,1≤degree of polymerization
N1≤20, n1 good water solubilities, 20≤polymerization degree n 2≤50, n2 water solubilitys are slightly worse, but enhancing fertilizer slow release function.
The mass ratio of n1 and n2 in above-mentioned alkalescent slow-release compound fertilizer are 4: (0.5-1).The polyphosphoric acid of two kinds of degree of polymerization
Ammonium is used cooperatively, and on the one hand meets water miscible requirement, on the other hand ensures the slow release effect of alkalescent slow-release compound fertilizer.
In above-mentioned alkalescent slow-release compound fertilizer, water miscible silicate is included in potassium silicate, sodium metasilicate, sodium potassium silicate extremely
Few one kind, preferably potassium silicate, can supplement the element silicon and potassium element needed for crop.The instant silicon of the preferred powder of form of potassium silicate
Sour potassium, its production process is simple, and dissolution velocity is fast, and ion silicon can effectively be absorbed by crop, improves crop quality, by soil
Heavy metal polymerization, prevent heavy metal under acidified environment into crop body convey, it is to avoid enter food chain；Solid silicic acid potassium
Production process is relative complex, and dissolution velocity is slow.
Above-mentioned alkalescent slow-release compound fertilizer also includes following at least one auxiliary material, magnesium sulfate 10-50 parts by weight, zinc nitrate 5-
15 parts by weight, the Boratex 5-15 parts by weight of four water eight, ammonium paramolybdate 1-10 parts by weight.Magnesium sulfate and zinc nitrate supplement magnesium zinc member
Element；The Boratex of four water eight is alkalescence, and boron element is the element needed for crop flowers result, and legume is very sensitive to molybdenum, can be increased
Production.
A kind of silicon substrate alkalescent is sustained composite microbe fertilizer, it is characterised in that：Except in above-mentioned alkalescent slow-release compound fertilizer
Above-mentioned formula outside, in addition to beneficial bacterium masterbatch 30-50 parts by weight, the beneficial bacterium quantity 100-200 hundred million in beneficial bacterium masterbatch
Individual/g.Beneficial bacterium masterbatch is survived in alkaline environment, dissolving phosphor and dissolving potassium, secretion antibiotic, heteroauxin, the basic element of cell division, promotes to plant
Thing grows.
In above-mentioned silicon substrate alkalescent sustained release composite microbe fertilizer, to ensure beneficial bacterium activity, starch 20-60 weight is added
Part.
A kind of preparation method of alkalescent slow-release compound fertilizer, it is characterized in that：Comprise the following steps：
1】Water miscible silicate is dissolved in the water to form aqueous silicate solution, APP is dissolved in another water
In, form the APP aqueous solution；
2】Two parts of aqueous solution are added separately in organic matter carrier, are well mixed.
Use, granulated for convenience, control water content 15-25%.
The step 1 of the preparation method of above-mentioned alkalescent slow-release compound fertilizer】Also include, the mass fraction containing N element is existed
More than 30% compound is added to aqueous silicate solution and/or APP aqueous dissolution；
The preparation method of above-mentioned alkalescent slow-release compound fertilizer, when also containing auxiliary material in raw material, in addition to step 3】：Xiang You
Auxiliary material is added in machine matter carrier, is well mixed.
A kind of silicon substrate alkalescent is sustained the preparation method of composite microbe fertilizer, and it is characterized in that：Comprise the following steps：
On the basis of the preparation method of alkalescent slow-release compound fertilizer, i.e., in step 2】Afterwards, in step 3 when having an auxiliary material】Afterwards, Xiang You
Uniform sprinkling beneficial bacterium masterbatch, when having starch, then adds starch, stirs, granulate in machine matter carrier, control moisture 15-
25%.
The targeted test crop of the present invention：Paddy rice, apple fruits and vegetables etc. like silicon crop.
It is an advantage of the invention that：
(1) alkalescent slow-release compound fertilizer of the invention and silicon substrate alkalescent sustained release composite microbe fertilizer add water-soluble silicon
Hydrochlorate, silicon element can the happiness silicon crop such as increasing both production and income paddy rice, enhancing crop skin hardness and brightness, combined production with all kinds of heavy metals
Raw flocculation, suppresses the absorption of crop heavy metal in sour environment, it is to avoid enter vegetable food product chain, has again after forming single silicic acid
Superpower permeability, makes crop be more easy to absorb nutrient；Work rapid；Available silicon content in water-soluble silicate is higher, easily
Dissolubility is good, makes the absorption rate of silicon high；
(2) alkalescent slow-release compound fertilizer of the invention and silicon substrate alkalescent sustained release composite microbe fertilizer select polyphosphoric acid
Ammonium, itself not only N and P containing high level, and the peculiar degree of polymerization and superpower complexed metal cation of APP
Function, make it possess prominent long-acting slow-release and chelating soil in middle micro- ability, phosphorus and ammonium release speed
Degree is slow, therefore persistent；
(3) silicon substrate alkalescent of the invention sustained release composite microbe fertilizer, fertile bacterium combines, beneficial bacterium secretion heteroauxin, resists
The materials such as raw element, strong gesture of taking root resists virus；Element silicon can print heavy metal and be absorbed by plants；
(4) alkalescent slow-release compound fertilizer of the invention and silicon substrate alkalescent sustained release composite microbe fertilizer are in alkalescent, PH
It is worth for 7-8.5, is conducive to soil improvement.
(5) silicon substrate alkalescent of the invention sustained release composite microbe fertilizer, the combination of fermentation cigarette foam and food starch both ensured
The good complement of organic matter, and especially strengthen quick breeding and the activity of beneficial bacterium.
Embodiment
According to the form below formula produces fertilizer：
Remarks：The degree of polymerization of APP is 20 and 50, and weight ratio is 4: 0.5.
Prepared by example 1.1,2.1,3.1,4.1,5.1 is alkalescent slow-release compound fertilizer, its preparation method：
1】At a temperature of 30 DEG C, the instant potassium silicate of powder is dissolved in the water to form potassium silicate aqueous solution, by APP
It is dissolved in another water, forms the APP aqueous solution；
2】Two parts of aqueous solution are added separately into organic matter carrier, and (nitrohumic acid ammonium or fermentation cigarette foam and nitrification are rotten
Grow the mixture of sour ammonium) in, it is well mixed；
3】Feeding comminutor is granulated, and controls water content 25%.
Contain nitrogen, phosphorus, potassium, element silicon and organic matter in the alkalescent slow-release compound fertilizer prepared, pH value is 8.
Prepared by example 1.2,2.2,3.2 is alkalescent slow-release compound fertilizer, its preparation method：
1】At a temperature of 30 DEG C, the instant potassium silicate of powder is dissolved in the water to form potassium silicate aqueous solution, by APP
It is dissolved in another water, forms the APP aqueous solution；Urea is added to aqueous silicate solution and/or APP is water-soluble
Liquid dissolves；
2】Two parts of aqueous solution are added separately into organic matter carrier, and (nitrohumic acid ammonium or fermentation cigarette foam and nitrification are rotten
Grow the mixture of sour ammonium) in, it is well mixed；
3】Feeding comminutor is granulated, and controls water content 15%.
Contain nitrogen, phosphorus, potassium, element silicon and organic matter in the alkalescent slow-release compound fertilizer prepared, pH value is 7.5.
Prepared by example 2.3,4.2,5.2 is alkalescent slow-release compound fertilizer, its preparation method：
1】At a temperature of 30 DEG C, the instant potassium silicate of powder is dissolved in the water to form potassium silicate aqueous solution, by APP
It is dissolved in another water, forms the APP aqueous solution；Urea is added to aqueous silicate solution and/or APP is water-soluble
Liquid dissolves；
2】Two parts of aqueous solution are added separately to organic matter carrier (nitrohumic acid ammonium or fermentation cigarette foam or fermentation
The mixture of cigarette foam and nitrohumic acid ammonium) in, it is well mixed；
3】Auxiliary material (magnesium sulfate, zinc nitrate, the Boratex of four water eight, ammonium paramolybdate) is added into organic matter carrier, mixing is equal
It is even；
4】Feeding comminutor is granulated, and controls water content 20%.
Contain nitrogen, phosphorus, potassium, silicon, magnesium, zinc, boron, molybdenum element and organic matter in the alkalescent slow-release compound fertilizer prepared,
PH value is 7.5.
Prepared by example 1.3,2.4,3.3,4.3,5.3 is silicon substrate alkalescent sustained release composite microbe fertilizer, and its preparation method is：
1】At a temperature of 30 DEG C, the instant potassium silicate of powder is dissolved in the water to form potassium silicate aqueous solution, by APP
It is dissolved in another water, forms the APP aqueous solution；Urea is added to aqueous silicate solution and/or APP is water-soluble
Liquid dissolves；
2.1】In humic acid per ton, it is 20% 50-100 kilograms of dust technology to add Solute mass fraction, mixes feeding thoroughly
Nitrification tank carries out nitration reaction, and generation nitrification ammonium humate is standby；
2.2】Cigarette foam adds water, and the weight of water is cigarette foam weight 20% to 30%, with bacillus subtilis, lichens gemma bar
The compound mother bacterial liquid such as bacterium, black-koji mould mixes fermentation 10-30 days thoroughly, standby；
2.3】Two parts of aqueous solution are added separately to step 2.1】With step 2.2】Mixture in, be well mixed；
3】To step 2.3】Auxiliary material (magnesium sulfate, zinc nitrate, the Boratex of four water eight, ammonium paramolybdate) is added in resulting material,
It is well mixed；
4】To step 3】Uniform sprinkling beneficial bacterium masterbatch in resulting material, then starch is added, stir, granulate, granulation
Temperature control controls moisture 15-25%, finished product material discharging opening temperature control is at 60 degree Celsius, and cooling is dried in the air at 80-120 degrees Celsius
Shine, metering dress bag.Beneficial bacterium masterbatch is bacillus subtilis, gel-shaped bacillus, bacillus megaterium, side spore gemma bar
At least one of bacterium, bacillus licheniformis.
Contain nitrogen, phosphorus, potassium, silicon, magnesium, zinc, boron, molybdenum element and abundant in the alkalescent slow-release compound fertilizer prepared
Beneficial bacterium and organic matter, pH value are 8.
The silicon substrate alkalescent sustained release composite microbe fertilizer effect experiment of example 5.3
1. silicon substrate alkalescent sustained release composite microbe fertilizer improves the effect of acid soil pH value
Subjects：Yantai City Mouping District Guan Shui towns apple field；Soil initial pH value 3.2-5.
Test method：Siliceous base weak-base sustained release composite microbe fertilizer prepared by example 5.3, amount of application point are applied to apple field
0 (silicon substrate alkalescent of the present invention sustained release composite microbe fertilizer Wei not be applied, continues routinely to use Common compound fertilizer, is used as sky
White control), 50Kg/hm2、100Kg/hm2, take 0-60cm soil to carry out pH measure respectively after, the results are shown in Table 1.
The soil pH value of table 1 is detected
As shown in Table 1, as silicon substrate alkalescent is sustained the increase of composite microbe fertilizer amount of application, soil pH value is on continuous
The trend risen；And topsoil improved effect is preferably, the improvement and optimization of the soil pH value that deep soil (60cm) is also realized.
2. silicon substrate alkalescent is sustained effect of the composite microbe fertilizer to soil nutrient
Experimental plot ibid, using conventional fertilizer application (CK) as compareing, on the basis of conventional fertilizer application, increases example 5.3 and prepared
Siliceous base weak-base sustained release composite microbiological fertilizer 100Kg/hm2Carry out soil conditioning.
The topsoil soils (0-20cm) of each processing cell are taken to carry out full nitrogen in soil, available phosphorus, effectively after off-test
Potassium, effective silicon, effective boron, effective zinc, exchangeable calcium, the measure of exchangeable magnesium content.Soil nutrient testing result see the table below 2：
Effective element nutrient content in the soil of table 2
As shown in Table 2, the silicon substrate alkalescent sustained release composite microbe fertilizer of the present invention, soil are applied on the basis of conventional fertilizer application
Full nitrogen, available phosphorus, effective potassium, effective silicon, effective boron, effective zinc, exchangeable calcium, exchangeable magnesium content, which have, in earth significantly carries
It is high.
3. silicon substrate alkalescent is sustained production-increasing function of the composite microbe fertilizer to soil conditioning
3.1 experimental plot：Yantai City Mouping District Guan Shui towns apple field；Soil initial pH value 3.2-4.5.
In the case of equal manure use base fertilizer, control field whole year is using common nitrogen-phosphorus-potassium compound fertilizer mu consumption
250 kilograms, and in experimental plot, the annual consumption of common nitrogen-phosphorus-potassium compound fertilizer is kept to 100 kilograms, and the embodiment of the present invention is increased in addition
The 5.3 silicon substrate alkalescent sustained release composite microbe fertilizer amount of application 200Kg/hm prepared2, after November harvests, determine apple
Per mu yield：The per mu yield that the farmland apple of composite microbe fertilizer is sustained using silicon substrate alkalescent of the present invention is 7750Kg/hm2, it is right
Per mu yield according to field apple is 5790Kg/hm2, yield increase is up to 33%, and the pox spots of experimental plot fruit tree are sick, and yellows are split
Line disease, mosaic disease and viral fruit-shrink disease all do not occur then, the colourity of fruit, and pol is above compareing two, field percentage
Point, commodity value significantly improves simultaneously this it appears that the use of this product can substantially reduce the usage amount of composite fertilizer
60%, effectively mitigate the residual contamination in the soil caused by excessively using Common compound fertilizer.Especially in the Later growth of fruit tree,
Experimental plot fruit tree vital sign is substantially better than control field, in October 15 and the blade and underground of November 25 in two times to two groups
Root system has carried out contrast and has checked that the blade function degree of degeneration (such as yellowing leaf, fallen leaves amount) of experimental plot fruit tree is apparently without right
It is many according to field, underground root system hair root substantially be in vigorous growth state, than compare field fruit tree root system hair root more than and also it is long.Fully say
The bright experimental plot fruit tree later stage, which does not take off fertile phenomenon, to be occurred, and also embodies the nutrient slowly-released property of this product.
3.2 experimental plot：Hunan Province industrial city suburbs rice terrace, soil basic chemical property is：Organic matter 17.79g/
Kg, cation exchange capacity (CEC) is 3.07cmol/kg, initial pH value 3.4-4.2, is serious acid soil.
The sour soil modified form silicon substrate alkalescent sustained release composite microbe fertilizer 100Kg/hm prepared using example 5.32, in sample plot
Block with the previous year same amount of composite fertilizer and urea using topdressing, after 1 year two season, after measured the single cropping per mu yield of paddy rice compared with
561 kilograms and 579 kilograms that silicon substrate alkalescent sustained release composite microbe fertilizer the previous year single cropping per mu yield of the present invention is not used increase respectively
192 kilograms and 205 kilograms of production, reaches 753 kilograms and 784 kilograms, and experimental plot mass of 1000 kernel is respectively 30.1g and 30.7g, compares field
Mass of 1000 kernel is respectively to lodge during 25.7g and 25.8g Rice Croppings less, and the physiological disease such as rice blast, helminthosporium leaf spot occurs
Also relatively to significantly reducing before, all kinds of physiological disturbances of especially Two searons late rice do not occur substantially.Two seasons rice experiment simultaneously
All there is paddy stalk de- blue or green relatively control field evening in field, and paddy maturation experimental plot illustrates this product than the control field situation of late 5-7 days
Nutrient slowly-released property lifts the effect of playing a significantly greater role to the yield of paddy rice.This is also the superiority of the nutrient slowly-released function of this experimental products
Good embodiment.
Claims (8)
1. alkalescent slow-release compound fertilizer, it is characterised in that：Including water miscible silicate 20-200 parts by weight, APP 50-
400 parts by weight, organic matter carrier 200-700 parts by weight, the p H values of the APP are more than or equal to 7；The APP
The degree of polymerization is that n1 and n2, n1 are not equal to n2,1≤polymerization degree n 1≤20,20≤polymerization degree n 2≤50.
2. alkalescent slow-release compound fertilizer according to claim 1, it is characterised in that：The alkalescent slow-release compound fertilizer is also wrapped
Include compound 200-400 parts by weight of the mass fraction containing N element more than 30%, the mass fraction containing N element 30% with
On compound be urea.
3. alkalescent slow-release compound fertilizer according to claim 1 or 2, it is characterised in that：The organic matter carrier is nitrification
Ammonium humate, fermentation cigarette foam or powdered rice hulls or at least one of humic acid or mushroom residue.
4. alkalescent slow-release compound fertilizer according to claim 1 or 2, it is characterised in that：N1 and n2 mass ratio is 4:
(0.5-1)。
5. alkalescent slow-release compound fertilizer according to claim 1 or 2, it is characterised in that：The water miscible silicate bag
Include at least one of potassium silicate, sodium metasilicate, sodium potassium silicate；If necessary, in addition to following at least one auxiliary material, magnesium sulfate 10-
50 parts by weight, zinc nitrate 5-15 parts by weight, the Boratex 5-15 parts by weight of four water eight, ammonium paramolybdate 1-10 parts by weight.
6. alkalescent slow-release compound fertilizer according to claim 1 or 2, it is characterised in that：Also include beneficial bacterium masterbatch 30-50
Beneficial bacterium quantity hundred million/g of 100-200 in parts by weight, beneficial bacterium masterbatch, if necessary, in addition to starch 20-60 parts by weight.
7. the preparation method based on any described alkalescent slow-release compound fertilizer of claim 1 to 6, it is characterised in that：Including with
Lower step：
1】Water miscible silicate is dissolved in the water to form aqueous silicate solution, APP is dissolved in another water,
Form the APP aqueous solution；
2】Two parts of aqueous solution are added separately in organic matter carrier, are well mixed；
If necessary, step 1】Also include, it is water-soluble that compound of the mass fraction containing N element more than 30% is added into silicate
Liquid and/or APP aqueous dissolution；
When also containing auxiliary material in raw material, in addition to step 3】, auxiliary material is added into organic matter carrier, is well mixed.
8. the preparation method of alkalescent slow-release compound fertilizer according to claim 7, it is characterised in that：Comprise the following steps：
In step 2】Afterwards, in step 3 when having an auxiliary material】Afterwards, the uniform sprinkling beneficial bacterium masterbatch into organic matter carrier, there is starch
When, then starch is added, and stir, granulate, control moisture 15-25%.
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| CN105315111B (en) * | 2015-12-04 | 2019-01-22 | 魏占波 | A kind of rhizosphere fertilizer |
| CN106146217B (en) * | 2016-07-05 | 2019-10-25 | 金正大生态工程集团股份有限公司 | A kind of alkalescent solid Water soluble fertilizer and preparation method thereof improveing acid soil |
| CN108424256A (en) * | 2018-05-09 | 2018-08-21 | 巴夫特（潍坊）化工有限公司 | Overcome soil acidification hardened and promotes the composition of plant growth |
| CN108794223A (en) * | 2018-09-13 | 2018-11-13 | 大连环球矿产股份有限公司 | High dissolubility siliceous fertilizer prepared by a kind of ultrafine dust using processing wollastonite recycling（Soil conditioner）And preparation method thereof |
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