CN108794193A - A kind of corn stalk pellets fertilizer and preparation method thereof - Google Patents

A kind of corn stalk pellets fertilizer and preparation method thereof Download PDF

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Publication number
CN108794193A
CN108794193A CN201810844233.8A CN201810844233A CN108794193A CN 108794193 A CN108794193 A CN 108794193A CN 201810844233 A CN201810844233 A CN 201810844233A CN 108794193 A CN108794193 A CN 108794193A
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China
Prior art keywords
parts
fertilizer
corn stalk
stalk pellets
present
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CN201810844233.8A
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Chinese (zh)
Inventor
田慎重
张玉凤
郭洪海
董亮
边文范
高燕
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Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
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Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
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Application filed by Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences filed Critical Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
Priority to CN201810844233.8A priority Critical patent/CN108794193A/en
Publication of CN108794193A publication Critical patent/CN108794193A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Soil Sciences (AREA)
  • Fertilizers (AREA)

Abstract

The present invention provides a kind of corn stalk pellets fertilizer, belong to stalk fertilizer preparing technical field.Granular fertilizer of the present invention includes the raw material of following parts by weight：10~20 parts of 77~90 parts of maize straw, 20~36 parts of urea, 4~8 parts of ground phosphate rock, 10~25 parts of potassium sulfate, 4~10 parts of potassium dihydrogen phosphate, 1~5 part of agstone, 1~5 part of magnesium chloride, 1~5 part of Cosan, 1~4 part of chelated microelements, 0.3~0.8 part of adhesive, 0.1~0.5 part of sustained release agent and water.Using the corn stalk pellets fertilizer of the present invention, 7.2~19.8% can be increased production, moreover it is possible to improve quality of vegetable.

Description

A kind of corn stalk pellets fertilizer and preparation method thereof
Technical field
The invention belongs to stalk fertilizer preparing technical fields, and in particular to a kind of corn stalk pellets fertilizer and its preparation side Method.
Background technology
Containing the middle trace element needed for abundant organic matter, N P and K and crop in stalk, if realize safely, have Imitate returning to the field, available nutrient content in agricultural land soil will be obviously improved, be advantageously implemented chemical fertilizer subtract grant hide grain in the target on ground.
Agricultural stalk quantity in China's is more at present, volume is big, and soil saturation is limited, can not dissolve completely；Straw-returning matter Amount is poor, influences succession crop growth, or even cause the underproduction；Straw directly returning to field, decomposition is slow, can not Study on Fertilizing；Returning to the field amount When big, field machinery operation is influenced；Peasant's returning to the field is complicated for operation, and enthusiasm is poor.Therefore, it is solution by stalk higher value application The certainly effective way of more, the difficult consumptions of stalk amount.
Invention content
In view of this, the purpose of the present invention is to provide a kind of corn stalk pellets fertilizer and preparation method thereof, can meet The nutrient that plant growth needs, especially middle trace element, and stalk particleization can be utilized to improve straw-returning effect and decomposition Rate.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical scheme：
The present invention provides a kind of corn stalk pellets fertilizer, include the raw material of following parts by weight：77~90 parts of maize straw, 20~36 parts of urea, 4~8 parts of ground phosphate rock, 10~25 parts of potassium sulfate, 4~10 parts of potassium dihydrogen phosphate, 1~5 part of agstone, chlorine Change 1~5 part of magnesium, 1~5 part of Cosan, 1~4 part of chelated microelements, 0.3~0.8 part of adhesive, sustained release agent 0.1~0.5 10~20 parts of part and water.
Preferably, include the raw material of following parts by weight：80~88 parts of maize straw, 22~30 parts of urea, ground phosphate rock 5~7 Part, 15~22 parts of potassium sulfate, 5~8 parts of potassium dihydrogen phosphate, 2~4 parts of agstone, 2~4 parts of magnesium chloride, 2~4 parts of Cosan, 12~18 parts of 2~3.5 parts of chelated microelements, 0.5~0.7 part of adhesive, 0.35~0.5 part of sustained release agent and water.
Preferably, the grain size of the maize straw is less than 5mm.
Preferably, the water content of the maize straw is 10~16%.
Preferably, the chelated microelements include chelating amino acids state trace element.
Preferably, described adhesive includes vegetable polymer amylan.
Preferably, the sustained release agent includes nitrification inhibitor.
The present invention also provides the preparation methods of above-mentioned corn stalk pellets fertilizer, include the following steps：The raw material is mixed Extruder grain after conjunction, it is dry that corn stalk pellets are fertile after cooling.
Preferably, described to be mixed into hot mixing, the temperature of the hot mixing is 90~130 DEG C.
Preferably, the water content of the corn stalk pellets fertilizer is less than 20wt%.
The present invention provides a kind of corn stalk pellets fertilizer, using maize straw as primary raw material, by stalk and other fertilizer Mixing granulation is fabricated to stalk particle fertilizer, can not only accelerate straw decomposition rate, and can promote suction of the crop to nutrient It receives, improves utilization rate of fertilizer, reduce fertilizer application frequency.In an embodiment of the present invention, the corn stalk pellets being prepared are utilized Fertilizer can make facility tomato increase production 7.2%, and total Soluble Sugar improves 8.6%, and soluble solid improves 6.8%, Vc contents 11.4% is improved, the yield and quality of facility tomato is significantly improved；Pakchoi can be made to increase production 19.8%, significantly improve little Bai Vegetable matter, total Soluble Sugar improve 28.9%, Vc contents and improve 8.0%.
Description of the drawings
Fig. 1 is the tomato yield comparison diagram that the embodiment of the present invention 1 provides；
Fig. 2 is the yield of pakchoi comparison diagram that the embodiment of the present application 2 provides.
Specific implementation mode
The present invention provides a kind of corn stalk pellets fertilizer, include the raw material of following parts by weight：77~90 parts of maize straw, 20~36 parts of urea, 4~8 parts of ground phosphate rock, 10~25 parts of potassium sulfate, 4~10 parts of potassium dihydrogen phosphate, 1~5 part of agstone, chlorine Change 1~5 part of magnesium, 1~5 part of Cosan, 1~4 part of chelated microelements, 0.3~0.8 part of adhesive, sustained release agent 0.1~0.5 10~20 parts of part and water.
Corn stalk pellets of the present invention fertilizer, including maize straw, the parts by weight of the maize straw are preferably 80~ 88 parts, more preferably 82~86 parts, most preferably 85 parts.Maize straw of the present invention preferably includes the stalk after crushing, institute The grain size for stating crushing should be less than 5mm, and corn stalk pellets fertilizer form and raising granulated fertilizer yield rate are formed convenient for squeezing.This hair The water content of the bright maize straw is preferably 10~16%, when water content is higher than 16%, should can by drying machine drying or Natural drying air-dries reduction moisture；When water content is less than 10%, a small amount of water-soaked, suitable stalk water content should be added advantageous It is broken into less than 5mm grain sizes in stalk disposable powder, avoids separating twice, reduced work hours.The present invention carrys out the maize straw There is no particular determinations in source.
Corn stalk pellets fertilizer of the present invention, including urea, the parts by weight of the urea are preferably 22~30 parts, more excellent It is selected as 24~28 parts, most preferably 25 parts.Urea provides required nitrogenous fertilizer for crop, adjusts SOIL CARBON AND NITROGEN ratio.The present invention is to institute Stating the source of urea, there is no particular determination, the common urea types of this field.
Corn stalk pellets fertilizer of the present invention, including ground phosphate rock, the parts by weight of the ground phosphate rock are preferably 5~7 parts, more Preferably 6 parts.Ground phosphate rock provides required phosphate fertilizer for crop, and extends p fertilizer efficiency.Source of the present invention to the ground phosphate rock There is no particular determinations, utilize the conventional ground phosphate rock of this field.
Corn stalk pellets fertilizer of the present invention, including potassium sulfate, the parts by weight of the potassium sulfate are preferably 15~22 parts, More preferably 18~21 parts, most preferably 20 parts.Potassium sulfate provides required potash fertilizer for crop.The present invention is to the potassium sulfate There is no particular determinations in source, utilize the conventional sulfuric acid potassium of this field.
Corn stalk pellets fertilizer of the present invention, including potassium dihydrogen phosphate, the parts by weight of the potassium dihydrogen phosphate are preferably 5 ~8 parts, more preferably 5.5~7 parts, most preferably 6 parts.Potassium dihydrogen phosphate provides required phosphate fertilizer and potash fertilizer for crop.This hair There is no particular determinations in the bright source to the potassium dihydrogen phosphate, utilize the conventional phosphoric acid potassium dihydrogen of this field.
Corn stalk pellets fertilizer of the present invention, including agstone, the parts by weight of the agstone are preferably 2~4 Part, more preferably 2.8~3.5 parts, most preferably 3 parts.Agstone provides required calcareous fertilisers for crop.The present invention is to the stone There is no particular determinations in the source of limestone flour, utilize the conventional lime mountain flour of this field.
Corn stalk pellets fertilizer of the present invention, including magnesium chloride, the parts by weight of the magnesium chloride are preferably 2~4 parts, more Preferably 2.8~3.5 parts, most preferably 3 parts.Magnesium chloride provides required fertiliser containing magnesium for crop.The present invention is to the magnesium chloride There is no particular determinations in source, utilize the conventional chlorinating magnesium of this field.
Corn stalk pellets fertilizer of the present invention, including Cosan, amount part of the Cosan is preferably 2~4 parts, more excellent It is selected as 2.8~3.5 parts, most preferably 3 parts.Cosan provides required sulfur fertilizer for crop.The present invention carrys out the Cosan There is no particular determinations in source, utilize the Usual sulphur powder of this field.
Corn stalk pellets fertilizer of the present invention, including chelated microelements, the weight of the chelated microelements It is preferably 2~3.5 parts to measure part, more preferably 2.8~3.2 parts, most preferably 3 parts.Chelated microelements of the present invention are excellent Choosing includes chelating amino acids state trace element, more preferably includes zinc, copper, iron, manganese, molybdenum and boron.Zinc of the present invention is excellent Select the 0.18~0.3% of the chelated microelements weight, more preferably 0.2~0.25%, most preferably 0.24%.This hair The bright copper is the 0.12~0.25%, more preferably 0.15~0.2% of the chelated microelements weight, most preferably 0.18%.Iron of the present invention be the chelated microelements weight 0.38~0.56%, more preferably 0.4~ 0.48%, most preferably 0.43%.Manganese of the present invention is the 0.18~0.3% of chelated microelements weight, more preferably 0.2~0.25%, most preferably 0.22%.Molybdenum of the present invention be the chelated microelements weight 0.01~ 0.08%, more preferably 0.02~0.05%, most preferably 0.03%.Boron of the present invention is the chelated microelements weight The 0.05~0.2% of amount, more preferably 0.08~0.14%, most preferably 0.11%.Chelated microelements provide for crop Required zinc, copper, iron, manganese, molybdenum and boron element.The present invention to the sources of above-mentioned chelated microelements there is no particular determination, Utilize the conventional chelated microelements of this field.
Corn stalk pellets fertilizer of the present invention, including adhesive, the parts by weight of described adhesive are preferably 0.5~0.7, More preferable 0.52~0.64 part, most preferably 0.6 part.Adhesive of the present invention includes preferably vegetable polymer amylan, The active constituent content of the vegetable polymer amylan is preferably 3.0~8.0%.Vegetable polymer amylan plays physical Adhesive effect advantageously forms particle shape, on fertilizer chemical property itself without influence.Source of the present invention to above-mentioned adhesive There is no particular determinations, utilize the traditional binders of this field.
Corn stalk pellets fertilizer of the present invention, including sustained release agent, the parts by weight of the sustained release agent are preferably 0.35~0.5 Part, more preferably 0.38~0.45 part, most preferably 0.4 part.Sustained release agent of the present invention preferably includes nitrification inhibitor, described Active constituent content in nitrification inhibitor is preferably 1.0~5.0%.Nitrification inhibitor can inhibit soil ammonium-state and be converted into Nitrate nitrogen delays nitrogen transformation, reduces loss of nitrogen fertilizer, improves utilization rate of nitrogen fertilizer.Can there is the addition of nitrification inhibitor in the present invention Effect improves the utilization rate of nitrogen fertilizer of this granular fertilizer, extends fertilizer effectiveness.There is no special limits in source of the present invention to above-mentioned sustained release agent It is fixed, utilize the conventional extended release agent of this field.
Corn stalk pellets fertilizer of the present invention, including water, the parts by weight of the water are preferably 12~18 parts, more preferably 14~16 parts, most preferably 15 parts.Moisture regulation mixed material water content, moisture additive amount of the present invention can make above-mentioned mixing Material being optimal granulation conditions, direct granulating and forming improve production efficiency.
The present invention also provides the preparation methods of above-mentioned corn stalk pellets fertilizer, include the following steps：The raw material is mixed Extruder grain after conjunction, it is dry that corn stalk pellets are fertile after cooling.
In the preparation process in accordance with the present invention, the mixing is preferably hot mixing, and the hot mixing is preferably in horizontal blender Middle mixing.The time of mixing of the present invention is preferably 5~10min, and temperature range is 90~130 DEG C.It is preferred in the present invention Hot mixing time and temperature can further improve granulation of fertilizer efficiency.
In the preparation process in accordance with the present invention, to the method for the extruder grain, there is no particular determinations, utilize conventional granulation Raw material is pressed into the fertiliser granulates of diameter 5mm by machine, the preferred rotating speed using 35rpm.
In the preparation process in accordance with the present invention, the cooling is preferably convection current cooling.The side that the present invention cools down the convection current There is no particular determinations for method, utilize the conventional chilling drying machine of this field.The temperature of cooling of the present invention is preferably 40 DEG C or less.There is no particular determinations for method of the present invention to the drying, are dried using the conventional method of this field.This hair The water content that corn stalk pellets fertilizer is obtained after the bright drying is preferably smaller than 20wt%.
After corn stalk pellets fertilizer is prepared in the present invention, preferred includes pack and weighing process, and commercial pellet is made Fertilizer.
Corn stalk pellets fertilizer provided by the invention and preparation method thereof is described in detail with reference to embodiment, But they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
It is 5 millimeters of powders below that maize straw of the moisture less than 30wt% is ground into length with blade type pulverizer Material, i.e. straw powder, in order to mixture.The water content control of straw powder is 10~16% or so.
Weigh maize straw 85kg, urea 25kg, ground phosphate rock 6kg, potassium sulfate 20kg, potassium dihydrogen phosphate 6kg, agstone 3kg, magnesium chloride 3kg, Cosan 3kg, chelated microelements 3kg, adhesive 0.6kg, sustained release agent 0.4kg, water 15kg, pass through Horizontal blender is sufficiently stirred 8 minutes, obtains mixed material.
Mixed material is evenly supplied to Squeezinggranulator, the fertiliser granulates of diameter 5mm are pressed by the rotating speed of 35rpm.
Fertiliser granulates are delivered to cooling drying machine progress convection current cooling, are dried, cooling temperature is to 40 DEG C hereinafter, drying extremely Moisture is less than 20wt%, obtains corn stalk pellets fertilizer.
Embodiment 2
It is 5 millimeters of powders below that maize straw of the moisture less than 30wt% is ground into length with blade type pulverizer Material, i.e. straw powder, in order to mixture.The water content control of straw powder is 10~16% or so.
Weigh maize straw 77kg, urea 20kg, ground phosphate rock 4kg, potassium sulfate 10kg, potassium dihydrogen phosphate 4kg, agstone 1kg, magnesium chloride 1kg, Cosan 1kg, chelated microelements 1kg, adhesive 0.3kg, sustained release agent 0.1kg, water 10kg, pass through Horizontal blender is sufficiently stirred 10 minutes, obtains mixed material.
Mixed material is evenly supplied to Squeezinggranulator, the fertiliser granulates of diameter 5mm are pressed by the rotating speed of 35rpm.
Fertiliser granulates are delivered to cooling drying machine progress convection current cooling, are dried, cooling temperature is to 40 DEG C hereinafter, drying extremely Moisture is less than 20wt%, obtains corn stalk pellets fertilizer.
Embodiment 3
It is 5 millimeters of powders below that maize straw of the moisture less than 30wt% is ground into length with blade type pulverizer Material, i.e. straw powder, in order to mixture.The water content control of straw powder is 10~16% or so.
Weigh maize straw 90kg, urea 36kg, ground phosphate rock 8kg, potassium sulfate 25kg, potassium dihydrogen phosphate 10kg, lime stone Powder 5kg, magnesium chloride 5kg, Cosan 5kg, chelated microelements 4kg, adhesive 0.8kg, sustained release agent 0.5kg, water 20kg lead to It crosses horizontal blender to be sufficiently stirred 6 minutes, obtains mixed material.
Mixed material is evenly supplied to Squeezinggranulator, the fertiliser granulates of diameter 5mm are pressed by the rotating speed of 35rpm.
Fertiliser granulates are delivered to cooling drying machine progress convection current cooling, are dried, cooling temperature is to 40 DEG C hereinafter, drying extremely Moisture is less than 20wt%, obtains corn stalk pellets fertilizer.
Embodiment 4
It is 5 millimeters of powders below that maize straw of the moisture less than 30wt% is ground into length with blade type pulverizer Material, i.e. straw powder, in order to mixture.The water content control of straw powder is 10~16% or so.
Weigh maize straw 85kg, urea 30kg, ground phosphate rock 4kg, potassium sulfate 15kg, potassium dihydrogen phosphate 8kg, agstone 2kg, magnesium chloride 4kg, Cosan 4kg, chelated microelements 3.5kg, adhesive 0.5kg, sustained release agent 0.35kg, water 15kg, It is sufficiently stirred 8 minutes by horizontal blender, obtains mixed material.
Mixed material is evenly supplied to Squeezinggranulator, the fertiliser granulates of diameter 5mm are pressed by the rotating speed of 35rpm.
Fertiliser granulates are delivered to cooling drying machine progress convection current cooling, are dried, cooling temperature is to 40 DEG C hereinafter, drying extremely Moisture is less than 20wt%, obtains corn stalk pellets fertilizer.
The corn stalk pellets fertilizer being prepared using Examples 1 to 4 is tested, and is prepared with Examples 1 to 4 Corn stalk pellets fertilizer is experimental group, with the common fertilising in farmland for control group：
1, tomato yield and quality experiment
Tomato yield test is carried out in the facility tomato of Yuegongqiao, in addition to dose, remaining condition all same is applied Fertilizer amount difference is as follows：
Control group：Dose is to apply composite organic-inorganic fertilizer 100kg, urea 50kg, calcium superphosphate per acre before being colonized 50kg, 50 kilograms, zinc sulfate 1.5kg, magnesium sulfate 0.5kg of potassium sulfate, boron fertilizer 0.5kg；
Experimental group：Dose is to apply composite organic-inorganic fertilizer 100kg, corn stalk pellets fertilizer 200kg per acre before being colonized.
It was tested by 2017~2,018 two year two season, the tomato average product of experimental group is 5600kg/ mus, control group yield About 5200kg/ mus, yield column diagram is as shown in Figure 1；And the Vc contents (mg/ of tomato in control group and experimental group is measured respectively Kg), content of reducing sugar (with glucose meter, %), titratable total reducing sugar (with glucose meter, %), titratable acid (%) and solubility Solid content (%), the results are shown in Table 1：
1. Tomato Quality contrast table of table
Processing Vc Reduced sugar Total Soluble Sugar Titratable acid Soluble solid
Control group 280.4b 2.74b 4.58b 0.31a 4.53b
Experimental group 312.6a 2.78a 5.18a 0.30a 4.84a
As it can be seen that the corn stalk pellets fertilizer using the present invention plants tomato, not only increase production 7.2%, moreover it is possible to improve tomato product Matter：Total Soluble Sugar improves 13.1%, and soluble solid improves 6.8%, Vc contents and improves 11.4%.
2, potting yield of pakchoi and quality experiment
In Jinan City, Shandong Province Shandong academy of agricultural sciences, greenhouse has carried out the potting pakchoi experiment of stalk particle fertilizer, except applying Outside fertilizer amount, remaining condition all same, dose is distinguished as follows：
Control group：Dose is that base applies 200kg/ mus of composite organic-inorganic fertilizer；
Experimental group：Dose is that base applies 100kg/ mus of composite organic-inorganic fertilizer, 100kg/ mus of corn stalk pellets fertilizer.
Measure the yield and quality of potting pakchoi in 2018：
The pakchoi average product of experimental group is 550g/ basins, and control group is 440g/ basins, and experimental group increases compared to control group Production 19.8%, yield column diagram is as shown in Figure 2.
The Vc contents (mg/kg) of pakchoi, content of reducing sugar are measured in control group and experimental group respectively (with glucose Meter, %), titratable total reducing sugar (with glucose meter, %), titratable acid (mmol/100g), the results are shown in Table 2：
2. Quality of Chinese Cabbage contrast table of table
As it can be seen that the corn stalk pellets fertilizer using the present invention plants pakchoi, not only increase production 19.8%, moreover it is possible to improve little Bai Vegetable matter：Total Soluble Sugar improves 28.9%, Vc contents and improves 8.0%.
In conclusion the present invention provides a kind of corn stalk pellets fertilizer, it, can using the corn stalk pellets fertilizer of the present invention Volume increase 7.2~19.8%, moreover it is possible to improve quality of vegetable.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

1. a kind of corn stalk pellets fertilizer, includes the raw material of following parts by weight：77~90 parts of maize straw, 20~36 parts of urea, 4~8 parts of ground phosphate rock, 10~25 parts of potassium sulfate, 4~10 parts of potassium dihydrogen phosphate, 1~5 part of agstone, 1~5 part of magnesium chloride, sulphur 1~5 part of sulphur powder, 1~4 part of chelated microelements, 0.3~0.8 part of adhesive, 0.1~0.5 part of sustained release agent and water 10~20 Part.
2. corn stalk pellets fertilizer according to claim 1, which is characterized in that include the raw material of following parts by weight：Corn stalk 80~88 parts of stalk, 22~30 parts of urea, 5~7 parts of ground phosphate rock, 15~22 parts of potassium sulfate, 5~8 parts of potassium dihydrogen phosphate, agstone 2~4 parts, 2~4 parts of magnesium chloride, 2~4 parts of Cosan, 2~3.5 parts of chelated microelements, 0.5~0.7 part of adhesive, sustained release 12~18 parts of 0.35~0.5 part of agent and water.
3. corn stalk pellets fertilizer according to claim 1 or claim 2, which is characterized in that the grain size of the maize straw is less than 5mm。
4. according to claim 3 corn stalk pellets fertilizer, which is characterized in that the water content of the maize straw be 10~ 16%.
5. corn stalk pellets fertilizer according to claim 1 or claim 2, which is characterized in that the chelated microelements include ammonia Base acid chelated microelements.
6. corn stalk pellets fertilizer according to claim 1 or claim 2, which is characterized in that described adhesive includes vegetable polymer Amylan.
7. corn stalk pellets fertilizer according to claim 1 or claim 2, which is characterized in that the sustained release agent includes nitrification inhibitor.
8. the preparation method of any one of the claim 1~7 corn stalk pellets fertilizer, includes the following steps：By the raw material Extruder grain after mixing, obtained wet grain is dry that corn stalk pellets are fertile after cooling.
9. preparation method according to claim 8, which is characterized in that described to be mixed into hot mixing, the temperature of the hot mixing Degree is 90~130 DEG C.
10. preparation method according to claim 8, which is characterized in that the water content of the corn stalk pellets fertilizer is less than 20wt%.
CN201810844233.8A 2018-07-27 2018-07-27 A kind of corn stalk pellets fertilizer and preparation method thereof Pending CN108794193A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113387744A (en) * 2021-05-26 2021-09-14 龙蟒大地农业有限公司 Granular medium element fertilizer based on phosphorite flotation tailings and preparation method thereof
CN115626856A (en) * 2022-10-27 2023-01-20 元碳环保科技(山东)有限公司 Preparation method of straw-based water-retention slow-release fertilizer based on high-energy electron beam irradiation technology

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1439623A (en) * 2003-03-18 2003-09-03 高元财 Straw organic composite fertilizer and production thereof
CN104446775A (en) * 2014-11-21 2015-03-25 中国农业科学院农业资源与农业区划研究所 Granular organic composite straw fertilizer
CN106673874A (en) * 2016-12-15 2017-05-17 青阳县侬本肥料有限公司 Organic compound fertilizer with insecticidal function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1439623A (en) * 2003-03-18 2003-09-03 高元财 Straw organic composite fertilizer and production thereof
CN104446775A (en) * 2014-11-21 2015-03-25 中国农业科学院农业资源与农业区划研究所 Granular organic composite straw fertilizer
CN106673874A (en) * 2016-12-15 2017-05-17 青阳县侬本肥料有限公司 Organic compound fertilizer with insecticidal function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113387744A (en) * 2021-05-26 2021-09-14 龙蟒大地农业有限公司 Granular medium element fertilizer based on phosphorite flotation tailings and preparation method thereof
CN113387744B (en) * 2021-05-26 2022-12-02 龙蟒大地农业有限公司 Granular medium-element fertilizer based on phosphorite flotation tailings and preparation method thereof
CN115626856A (en) * 2022-10-27 2023-01-20 元碳环保科技(山东)有限公司 Preparation method of straw-based water-retention slow-release fertilizer based on high-energy electron beam irradiation technology

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Application publication date: 20181113

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