CN108484334A - A kind of Special fertilizer for oil tea and its processing technology - Google Patents

A kind of Special fertilizer for oil tea and its processing technology Download PDF

Info

Publication number
CN108484334A
CN108484334A CN201810626013.8A CN201810626013A CN108484334A CN 108484334 A CN108484334 A CN 108484334A CN 201810626013 A CN201810626013 A CN 201810626013A CN 108484334 A CN108484334 A CN 108484334A
Authority
CN
China
Prior art keywords
fertilizer
parts
oil tea
ardealite
flyash
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810626013.8A
Other languages
Chinese (zh)
Inventor
杨艳萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Yishou Agricultural Science And Technology Co Ltd
Original Assignee
Guizhou Yishou Agricultural Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Yishou Agricultural Science And Technology Co Ltd filed Critical Guizhou Yishou Agricultural Science And Technology Co Ltd
Priority to CN201810626013.8A priority Critical patent/CN108484334A/en
Publication of CN108484334A publication Critical patent/CN108484334A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B13/00Fertilisers produced by pyrogenic processes from phosphatic materials
    • C05B13/02Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates

Landscapes

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

Abstract

The invention discloses a kind of Special fertilizer for oil tea, in parts by weight, it is prepared by 30 ~ 50 parts of fulvic acid diamines iron, 80 ~ 160 parts of nitrogenous fertilizer, 60 ~ 80 parts of phosphate fertilizer, 70 ~ 90 parts of potash fertilizer, 10 ~ 20 parts of borax, 1 ~ 3 part of bacteria agent, 6 ~ 10 parts of ardealite, 20 ~ 40 parts of flyash, 10 ~ 20 parts of calcium hydroxide.Special fertilizer for oil tea prepared by the present invention can efficient in-situ passivation contaminated soil available heavy metal ion, reduce absorption and accumulation of the tea oil tree to heavy metal ion, the chemical and physical features of soil can be effectively improved again, the fertility of soil can also be promoted, meet the needs of oil tea is to mineral matter nutritional, improves the yield of oil tea.

Description

A kind of Special fertilizer for oil tea and its processing technology
Technical field
The present invention relates to tea planting technology fields, it particularly relates to a kind of Special fertilizer for oil tea and its processing technology.
Background technology
Oil tea is also known as ribes tree, tea oil tree, white flower tea, evergreen dungarunga.Because its seed can extract oil it is edible due to gain the name.Kind 30% or more sub- oil-containing, it is edible and profit hair, adjust medicine, can candle and soap processed, can also make the substitute of machine oil.Oil tea and oil palm, Olive and coconut and referred to as four big woody edible oil tannin plant of the world.Oil tea has very high comprehensive utilization value, leached tea oil slag In containing Tea Saponin, tea seed polysaccharide, tea seed albumen etc., they are all the raw materials of chemical industry, light industry, food, feed industry product etc., Tea seed episperm may also be fabricated which furfural, activated carbon etc., and it includes worm's ovum that the ash hair washing of tea tree, which can kill louse,.The unsaturated fatty acid of tea oil Content is up to 90%, significantly larger than rape oil, peanut oil and soya-bean oil, doubles than content of vitamin E with olive oil, and contain camellia The specific physiological activator such as glucoside has high nutritive value.Tea shell or a kind of good culture medium of edible fungus.Study table Bright, oil tea saponin also has antibacterial and antioxidation.Tea oil color clear flavor incense, full of nutrition, storage tolerance are high quality food oils; Lubricating oil, antirust oil be can be used as industry.Tea cake is both pesticide and fertilizer, and farmland water-holding capacity and prevention rice can be improved Field pest.Pericarp is the raw material for obtaining through refining tannin extract.
Due to arbitrary discharge, sewage irrigation, the unreasonable application of pesticide and chemical fertilizer of " three wastes " during the production of mining industry, The pollution of farmland soil heavy metals is caused, meanwhile, it is long-term a large amount of using such as ammonium chloride, ammonium sulfate, nitre in oil tea planting process The acid phosphate fertilizer of the chemistry of the physiological phenomenon nitrogenous fertilizer of sour ammonium etc and such as calcium superphosphate etc, will result directly in the pH value drop of soil It is low, so that the activity of heavy metal-polluted soil is increased, increases absorption and accumulation of the oil tea crop to heavy metal element, influence tea oil product Quality.
Invention content
In view of this, the object of the present invention is to provide a kind of Special fertilizer for oil tea and its processing technology, to solve existing oil tea Heavy metal pollution in planting site and.
The present invention solves above-mentioned technical problem by the following technical programs:
A kind of Special fertilizer for oil tea, in parts by weight, by 30 ~ 50 parts of fulvic acid diamines iron, 80 ~ 160 parts of nitrogenous fertilizer, 60 ~ 80 parts of phosphate fertilizer, 70 ~ 90 parts of potash fertilizer, 10 ~ 20 parts of borax, 1 ~ 3 part of bacteria agent, 6 ~ 10 parts of ardealite, 20 ~ 40 parts of flyash, calcium hydroxide 10 ~ 20 parts are prepared.
The Special fertilizer for oil tea is by 40 parts of fulvic acid diamines iron, 120 parts of nitrogenous fertilizer, 70 parts of phosphate fertilizer, 80 parts of potash fertilizer, borax 15 Part, 2 parts of bacteria agent, 8 parts of ardealite, 30 parts of flyash, 15 parts of calcium hydroxide are prepared.
The processing technology of the Special fertilizer for oil tea, includes the following steps:
S1. it calcines:Ardealite is subjected to calcination processing;
S2. it grinds:Ardealite after calcination processing in step S1 is sent into grinder and is ground with flyash, calcium hydroxide Processing;
S3. it activates:The mixture of treated in step S2 ardealite and flyash, calcium hydroxide is sent into superheated steam activation In stove, 350 ~ 500 DEG C of 10 ~ 20h of superheated vapour activation process is passed through into activation furnace;
S4. it is granulated, packs:After being handled in fulvic acid diamines iron, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, borax, bacteria agent and step S3 Ardealite, flyash, calcium hydroxide mixture be granulated after mixing, it is cooling after packaging to get.
In the step S1, ardealite is sent into calcining kiln, 4 ~ 8h is handled in 400 ~ 600 DEG C of temperature lower calcinations.
In the step S2, the ardealite after calcination processing in step S1 is sent into grinder with flyash, calcium hydroxide In, control ratio of grinding media to material is 1:(10~20), grinding rate is 600 ~ 1000rpm, and milling time is 30 ~ 60min.
In the step S3, the temperature control of superheated vapour is 400 DEG C, activation process 14h.
It, will be in fulvic acid diamines iron, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, borax, bacteria agent and step S3 in the step S4 Ardealite, flyash, calcium hydroxide mixture water after reason are sent into after drenching in tower top mixing channel, through high shear agitation machine It is mixed and made into scattered paste shape material, incorporation time is 20 ~ 40min, and temperature is controlled at 120 ~ 130 DEG C, filtered out through shaking filter Overflow uniformly sprays into mixture coccoid to prilling spry in the case where nozzle rotational shear centrifuges force effect after granule foreign Droplet, the ascending air out of nozzle spray the droplet and tower that fall exchanges heat postcooling to 40 ~ 50 DEG C, becomes special Fertilizer little particle, then through cooling, screening and anti-caking processing after metering packing to get.
The nitrogenous fertilizer is ammonium nitrate.
The phosphate fertilizer is calcium magnesium phosphate.
The potash fertilizer is potassium chloride.
The beneficial effects of the present invention are:Special fertilizer for oil tea prepared by the present invention can efficiently in-situ passivation contaminated soil have State heavy metal ion is imitated, reduces absorption and accumulation of the tea oil tree to heavy metal ion, and can effectively improve the chemistry and object of soil Rationality matter, moreover it is possible to which the fertility for promoting soil meets the needs of oil tea is to mineral matter nutritional, improves the yield of oil tea.In addition, this hair It is bright by the way that ardealite and flyash, calcium hydroxide are ground, during grinding, raw material mix is destroyed, no It is combined with valence link is formed between raw material, forms the mineral precursor of weak crystalline state, then the mineral precursor is used into superheated vapour Medium temperature activation process is carried out, the further trepanning of a large amount of vapor mineral precursor, reaming in gas is activated, is formed a large amount of micro- Hole to form high-specific surface area and increase its capacity to heavy metal is conducive to that heavy metal element is adsorbed and is passivated.
Specific implementation mode
In order to facilitate the understanding of those skilled in the art, below in conjunction with embodiment, the present invention will be further described. Embodiment is only to the invention for example, not being limitation of the invention, the step of not illustrated in embodiment It is prior art, is not described in detail herein.
Embodiment one
Raw material
Fulvic acid diamines iron 30kg, nitrogenous fertilizer 80kg, phosphate fertilizer 60kg, potash fertilizer 70kg, borax 10kg, bacteria agent 1kg, ardealite 6kg, flyash 20kg, calcium hydroxide 10kg.
Processing technology:
S1. it calcines:Ardealite is sent into calcining kiln, 4h is handled in 400 DEG C of temperature lower calcinations;
S2. it grinds:Ardealite after calcination processing in step S1 is sent into flyash, calcium hydroxide in grinder, control ball Material is than being 1:10, grinding rate 600rpm, milling time 30min;
S3. it activates:The mixture of treated in step S2 ardealite and flyash, calcium hydroxide is sent into superheated steam activation In stove, 350 DEG C of superheated vapour activation process 10h is passed through into activation furnace;
S4. it is granulated, packs:After being handled in fulvic acid diamines iron, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, borax, bacteria agent and step S3 Ardealite, flyash, calcium hydroxide mixture water be sent into tower top mixing channel after drenching, the dosage of water is the mixture weight The 40% of amount is mixed and made into scattered paste shape material, incorporation time 20min through high shear agitation machine, and temperature is controlled at 120 DEG C, warp Overflow, in the case where nozzle rotational shear centrifuges force effect, is sprayed to prilling spry from nozzle after vibrations filter filters out granule foreign It drenches the droplet fallen slowly to fall in 15 meters of diameter, high 110 meters of tower, mixture is uniformly sprayed into globular small liquid Drop, the ascending air in droplet and tower fallen from nozzle spray exchange heat postcooling to 40 DEG C, become small of special fertilizer Grain, then through cooling, screening and anti-caking processing after metering packing to get.
The nitrogenous fertilizer is ammonium nitrate.
The phosphate fertilizer is calcium magnesium phosphate.
The potash fertilizer is potassium chloride.
Embodiment two
Raw material
Fulvic acid diamines iron 50kg, nitrogenous fertilizer 160kg, phosphate fertilizer 80kg, potash fertilizer 90kg, borax 20kg, bacteria agent 3kg, ardealite 10kg, flyash 40kg, calcium hydroxide 20kg.
Processing technology:
S1. it calcines:Ardealite is sent into calcining kiln, 8h is handled in 600 DEG C of temperature lower calcinations;
S2. it grinds:Ardealite after calcination processing in step S1 is sent into flyash, calcium hydroxide in grinder, control ball Material is than being 1:20, grinding rate 1000rpm, milling time 60min;
S3. it activates:The mixture of treated in step S2 ardealite and flyash, calcium hydroxide is sent into superheated steam activation In stove, 500 DEG C of superheated vapour activation process 20h is passed through into activation furnace;
S4. it is granulated, packs:After being handled in fulvic acid diamines iron, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, borax, bacteria agent and step S3 Ardealite, flyash, calcium hydroxide mixture water be sent into tower top mixing channel after drenching, the dosage of water is the mixture weight The 50% of amount is mixed and made into scattered paste shape material, incorporation time 40min through high shear agitation machine, and temperature is controlled at 130 DEG C, warp Overflow, in the case where nozzle rotational shear centrifuges force effect, is sprayed to prilling spry from nozzle after vibrations filter filters out granule foreign It drenches the droplet fallen slowly to fall in 15 meters of diameter, high 110 meters of tower, mixture is uniformly sprayed into globular small liquid Drop, the ascending air in droplet and tower fallen from nozzle spray exchange heat postcooling to 50 DEG C, become small of special fertilizer Grain, then through cooling, screening and anti-caking processing after metering packing to get.
The nitrogenous fertilizer is ammonium nitrate.
The phosphate fertilizer is calcium magnesium phosphate.
The potash fertilizer is potassium chloride.
Embodiment three
Raw material
Fulvic acid diamines iron 40kg, nitrogenous fertilizer 120kg, phosphate fertilizer 70kg, potash fertilizer 80kg, borax 15kg, bacteria agent 2kg, ardealite 8kg, flyash 30kg, calcium hydroxide 15kg.
Processing technology:
S1. it calcines:Ardealite is sent into calcining kiln, 6h is handled in 500 DEG C of temperature lower calcinations;
S2. it grinds:Ardealite after calcination processing in step S1 is sent into flyash, calcium hydroxide in grinder, control ball Material is than being 1:15, grinding rate 800rpm, milling time 45min;
S3. it activates:The mixture of treated in step S2 ardealite and flyash, calcium hydroxide is sent into superheated steam activation In stove, 400 DEG C of superheated vapour activation process 14h is passed through into activation furnace;
S4. it is granulated, packs:After being handled in fulvic acid diamines iron, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, borax, bacteria agent and step S3 Ardealite, flyash, calcium hydroxide mixture water be sent into tower top mixing channel after drenching, the dosage of water is the mixture weight The 45% of amount is mixed and made into scattered paste shape material, incorporation time 30min through high shear agitation machine, and temperature is controlled at 125 DEG C, warp Overflow, in the case where nozzle rotational shear centrifuges force effect, is sprayed to prilling spry from nozzle after vibrations filter filters out granule foreign It drenches the droplet fallen slowly to fall in 15 meters of diameter, high 110 meters of tower, mixture is uniformly sprayed into globular small liquid Drop, the ascending air in droplet and tower fallen from nozzle spray exchange heat postcooling to 45 DEG C, become small of special fertilizer Grain, then through cooling, screening and anti-caking processing after metering packing to get.
The nitrogenous fertilizer is ammonium nitrate.
The phosphate fertilizer is calcium magnesium phosphate.
The potash fertilizer is potassium chloride.
Test example one
Special fertilizer for oil tea prepared by the present invention is applied respectively with traditional organic fertilizer, it is identical in fertilizer amount(Every plant of adult oil tea Set 8kg)And in the case that cultivation technique is identical traditional technology, mu in the Special fertilizer for oil tea soil prepared using the present invention Oil-producing tea 56.9 ~ 58.3kg of fresh fruit, 4.3 ~ 4.8kg of per mu yield tea oil;Per mu yield oil tea fresh fruit 41.1 in the soil of application of organic fertilizers ~ 43.6kg, 3.2 ~ 3.8kg of per mu yield tea oil.
Test example two
The plot for choosing one piece of heavy metal pollution, is equally divided into six groups, i.e., first group to the 6th group, every group of 200 square meters are adopted Tea oil tree is planted with conventional method, oil tea tree planting started to impose fertilizer after 1 year, other final-period managements use prior art tube Reason, first group to third group is applied the special fertilizer that the embodiment of the present invention one is prepared to embodiment three, and the 4th group is not applied any fertilizer, 5th group of application be fertilizer is directly to crush the raw material in the embodiment of the present invention one, be mixed with, the 6th group of application Fertilizer be that the raw material in the embodiment of the present invention two is directly crushed, is mixed with.The amount of application of fertilizer is 8kg/ plants.It waits for After tea oil tree enters high yield, camellia oleifera fruit is picked to measure the content of heavy metal in camellia oleifera fruit, measurement result is shown in Table 1.
Content of beary metal in 1 camellia oleifera fruit of table
Copper content(mg/kg) Lead content(mg/kg) Zn content(mg/kg) Cadmium content(mg/kg)
First group 0.407 0.072 5.393 0.151
Second group 0.386 0.075 5.094 0.156
Third group 0.374 0.066 4.887 0.149
4th group 0.681 0.099 7.598 0.244
5th group 0.485 0.078 5.971 0.176
6th group 0.479 0.073 5.784 0.173
From table 1 it follows that in all processing, it is not using content of beary metal in the 4th group of camellia oleifera fruit of any fertilizer Highest, first group of Special fertilizer for oil tea prepared using the present invention to third group content of beary metal have different degrees of decline, Show that Special fertilizer for oil tea prepared by the present invention can reduce absorption of the tea oil tree to heavy metal to a certain extent, improves the oil of plantation The quality of tea.Content of beary metal is below the 5th group and the 6th group in first group and second group of camellia oleifera fruit, shows that the present invention will Modified using superheated steam after ardealite and flyash, calcium hydroxide grinding, being prepared into special fertilizer, can to greatly increase its right The deactivation rate of heavy metal.The use of the Special fertilizer for oil tea of the present invention can effectively reduce suction of the oil tea to copper, lead, zinc, cadmium in soil It receives.

Claims (10)

1. a kind of Special fertilizer for oil tea, it is characterised in that:In parts by weight, by 30 ~ 50 parts of fulvic acid diamines iron, nitrogenous fertilizer 80 ~ 160 Part, 60 ~ 80 parts of phosphate fertilizer, 70 ~ 90 parts of potash fertilizer, 10 ~ 20 parts of borax, 1 ~ 3 part of bacteria agent, 6 ~ 10 parts of ardealite, flyash 20 ~ 40 Part, 10 ~ 20 parts of calcium hydroxide are prepared.
2. Special fertilizer for oil tea as described in claim 1, it is characterised in that:By 40 parts of fulvic acid diamines iron, 120 parts of nitrogenous fertilizer, phosphorus 70 parts of fertilizer, 80 parts of potash fertilizer, 15 parts of borax, 2 parts of bacteria agent, 8 parts of ardealite, 30 parts of flyash, 15 parts of calcium hydroxide prepare and At.
3. the processing technology of Special fertilizer for oil tea as claimed in claim 1 or 2, it is characterised in that include the following steps:
S1. it calcines:Ardealite is subjected to calcination processing;
S2. it grinds:Ardealite after calcination processing in step S1 is sent into grinder and is ground with flyash, calcium hydroxide Processing;
S3. it activates:The mixture of treated in step S2 ardealite and flyash, calcium hydroxide is sent into superheated steam activation In stove, 350 ~ 500 DEG C of 10 ~ 20h of superheated vapour activation process is passed through into activation furnace;
S4. it is granulated, packs:After being handled in fulvic acid diamines iron, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, borax, bacteria agent and step S3 Ardealite, flyash, calcium hydroxide mixture be granulated after mixing, it is cooling after packaging to get.
4. the processing technology of Special fertilizer for oil tea as claimed in claim 3, it is characterised in that:In the step S1, by ardealite It is sent into calcining kiln, 4 ~ 8h is handled in 400 ~ 600 DEG C of temperature lower calcinations.
5. the processing technology of Special fertilizer for oil tea as claimed in claim 3, it is characterised in that:In the step S2, by step S1 Ardealite after middle calcination processing is sent into flyash, calcium hydroxide in grinder, and control ratio of grinding media to material is 1:(10~20), grinding Speed is 600 ~ 1000rpm, and milling time is 30 ~ 60min.
6. the processing technology of Special fertilizer for oil tea as claimed in claim 3, it is characterised in that:In the step S3, superheated water steams The temperature control of vapour is 400 DEG C, activation process 14h.
7. the processing technology of Special fertilizer for oil tea as claimed in claim 3, it is characterised in that:In the step S4, by fulvic acid Treated in diamines iron, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, borax, bacteria agent and step S3 ardealite, flyash, calcium hydroxide are mixed It closes after object water drenches and is sent into tower top mixing channel, be mixed and made into scattered paste shape material through high shear agitation machine, incorporation time is 20 ~ 40min, temperature control at 120 ~ 130 DEG C, through vibrations filter filter out granule foreign after overflow to prilling spry, spraying Under head rotational shear centrifugation force effect, mixture is uniformly sprayed into globular droplet, the small liquid fallen is sprayed from nozzle Drop exchanges heat postcooling to 40 ~ 50 DEG C with the ascending air in tower, becomes the little particle of special fertilizer, then through cooling, screening and prevent Caking processing after metering packing to get.
8. the processing technology of Special fertilizer for oil tea as claimed in claim 1,2 or 3, it is characterised in that:The nitrogenous fertilizer is ammonium nitrate.
9. the processing technology of Special fertilizer for oil tea as claimed in claim 1,2 or 3, it is characterised in that:The phosphate fertilizer is calcium and magnesium phosphorus Fertilizer.
10. the processing technology of Special fertilizer for oil tea as claimed in claim 1,2 or 3, it is characterised in that:The potash fertilizer is chlorination Potassium.
CN201810626013.8A 2018-06-18 2018-06-18 A kind of Special fertilizer for oil tea and its processing technology Pending CN108484334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810626013.8A CN108484334A (en) 2018-06-18 2018-06-18 A kind of Special fertilizer for oil tea and its processing technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810626013.8A CN108484334A (en) 2018-06-18 2018-06-18 A kind of Special fertilizer for oil tea and its processing technology

Publications (1)

Publication Number Publication Date
CN108484334A true CN108484334A (en) 2018-09-04

Family

ID=63342851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810626013.8A Pending CN108484334A (en) 2018-06-18 2018-06-18 A kind of Special fertilizer for oil tea and its processing technology

Country Status (1)

Country Link
CN (1) CN108484334A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109369286A (en) * 2018-09-18 2019-02-22 华南理工大学 It is a kind of using flyash produce in microelement acidic soil conditioner method and product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103073365A (en) * 2013-02-20 2013-05-01 史丹利化肥股份有限公司 Special cotton fertilizer produced by using biochemical fulvic acid through melt granulation and production method of special fertilizer
CN105536753A (en) * 2016-01-22 2016-05-04 武汉理工大学 Mineral precursor adsorbing agent and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103073365A (en) * 2013-02-20 2013-05-01 史丹利化肥股份有限公司 Special cotton fertilizer produced by using biochemical fulvic acid through melt granulation and production method of special fertilizer
CN105536753A (en) * 2016-01-22 2016-05-04 武汉理工大学 Mineral precursor adsorbing agent and preparation method and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109369286A (en) * 2018-09-18 2019-02-22 华南理工大学 It is a kind of using flyash produce in microelement acidic soil conditioner method and product
CN109369286B (en) * 2018-09-18 2021-09-21 华南理工大学 Method for producing medium trace element acid soil conditioner by using fly ash and product

Similar Documents

Publication Publication Date Title
CN104130079A (en) Tower-type melted and pelleted special formulated fertilizer for oilseed rape and production method thereof
CN107056438A (en) Potassium polyphosphate strawberry slow-release fertilizer and its production method
CN103772038A (en) Production method of natural organic seaweed fertilizer
CN101353285A (en) Natural multifunctional mineral compound fertilizer
CN105837374A (en) Environment-friendly organic fertilizer specially used for flowers
CN102491815B (en) High-concentration nano-carbon cotton special fertilizer and preparation method thereof
CN105255501B (en) A kind of acidic soil conditioner and preparation method thereof
CN105112070B (en) A kind of acidic soil conditioner and preparation method thereof
CN102503707A (en) Melted pelleting seaweed stable fertilizer and preparation method thereof
CN108101653A (en) A kind of leaf vegetables dedicated biomass charcoal base manure and preparation method thereof
CN106187617A (en) A kind of containing humic acid Fructus Fragariae Ananssae dedicated water soluble fertilizers and production method thereof
CN105801183A (en) Pollution-free foliar fertilizer
CN105418299A (en) Efficient controlled release fertilizer special for strawberries and preparation method thereof
CN104692952A (en) Special melt granulated, rich-selenium and nitre-sulfur based fertilizer for jujube trees and preparation method thereof
CN108484334A (en) A kind of Special fertilizer for oil tea and its processing technology
WO2017206744A1 (en) Granular ammonium phosphate having quick- and long-acting sulfur and zinc, and preparation method therefor
CN105967926A (en) Fertilizer for boosting yield of fruits and vegetables and preparation method thereof
CN111454097B (en) Special double-membrane controlled-release fertilizer for navel oranges and preparation method thereof
CN108558537A (en) A kind of oil tea base manure and preparation method thereof
CN102603408B (en) Nanometer smectite clay organic compound fertilizer
CN105985165A (en) Ecological environment-friendly fertilizer additive containing charcoal and preparation method thereof
CN106977276A (en) Ammonium polyphosphate mango special fertilizer and its production method
CN106977280A (en) Ammonium polyphosphate Rice foliar fertilizer and preparation method thereof
CN104119143A (en) Organic fertilizer capable of improving ground temperature and adjusting soil pH value
CN104311341B (en) A kind of prilling process of alkaline fertilizer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180904