CN102992857A - Special slow-release fertilizer taking biomass granular carbon as matrix for tea trees and preparation method thereof - Google Patents
Special slow-release fertilizer taking biomass granular carbon as matrix for tea trees and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a special slow-release fertilizer taking biomass granular carbon as a matrix for tea trees and a preparation method thereof. Granular carbon prepared from agricultural abandoned biomass such as corncobs, peanut shells, rice husks and edible mushroom matrixes, taken as a matrix material, is compounded with nitrogen, phosphorus, potassium and other nutrient elements essential to the growth and development of the tea trees by utilizing the microporous character and strong adsorption capacity of the granular carbon, so that the special slow-release fertilizer taking the biomass granular carbon as the matrix for the tea trees is prepared. According to the invention, the biomass granular carbon is black biomass granular carbon particles formed after incomplete combustion of the agricultural abandoned biomass under a hypoxic condition, has various properties similar to those of soil humus, is very strong in capacity of adsorbing and maintaining nutrients and moisture, and furthermore, and has an effect of stimulating the growth of crops and a good slow-release performance for the nitrogen, phosphorus and potassium; the slow-release fertilizer prepared in such a way can effectively meet the requirements of the tea trees for nutrients in the whole growth period after being applied once; and in addition, the special slow-release fertilizer has the characteristics of enhancing the soil fertility, improving the soil structure, being efficient and environmentally-friendly, and the like, thereby being beneficial to large-scale popularization and application in tea tree production.
Description
Technical field
The invention belongs to the agricultural fertilizer production technical field, particularly a kind of tea tree take the biological particles charcoal as matrix is slow-release fertilizer dedicated and preparation method thereof.
Background technology
Tea tree be the young tender tealeaves of gathering be the perennial cash crop of object, will repeatedly pluck the newborn tender tip of green nourishing from tea tree every year, this to tea tree nutrition consume greatly.Meanwhile, tea tree itself also wants continuous ground velocity make the vegetative organ such as root, stem, leaf, keeping the in great numbers of tree body and to continue to enlarge regrowth, and blossoms and bears fruit and produces offspring etc., all will consume a large amount of nutriment.Therefore, the rational application of fertilizer is the tea place increasing yield and improving quality, promotes the important measures of growth of tea plant.Tea tree demand to nitrogen in growth and development process is large, and the chemical nitrogen fertilizer that present tea tree is used mainly is quick acting fertilizer, and very fast dissolving in soil is difficult to stop them to the conversion of nitric nitrogen.Tea tree has 3～4 tea shoot sproutings and gathers in the breeding cycle in 1 year, relatively continuous and steady to the absorption of nutrient.In theory, in order to satisfy the nutritional need of tea tree, should apply fertilizer frequently on a small quantity, do like this and can increase peasant's labour intensity and damage root system because of the fertilising of ditching repeatedly.
Slow release fertilizer claim again slow-release fertilizer (
Slow available fertilizers) or release and release control fertilizer (
Control release fertilizers), compound release rate in the soil control slow or that nutrient releasing speed can obtain to a certain degree that contains nutrient in its fertilizer continues to absorb for crop.Use slow release fertilizer can reduce the particularly loss of nitrogen in soil of fertilizer nutrient, improve utilization rate of fertilizer, reduce fertilising operation number of times, save labour and expense, and can alleviate the pollution that excessive fertilization causes for environment.Present slow release fertilizer both domestic and external generally all is to reach the purpose that prolongs fertilizer efficiency by physical methods such as coating, parcel, packing, coatings, such as the coated fertilizer of bag Thio Urea, polymer coated fertilizer, fertilizer bag fertilizer, coated fertilizer and with Quick-dissolving fertilizer and the mixing formed Wrapped fertilizer of rubber latex etc.The slow controlled-release technology that also has employing physics and biochemical method to combine is produced slow release fertilizer.The general cost of these fertilizer is higher, and seldom possesses hole and adsorptive power, more without increasing soil fertility, improving the characteristics such as Soil structure.
On the other hand, at present China has become one of country of agriculture waste biomass generation maximum in the world, it is reported, the gross annual output of all kinds of agricultural crop straws of China amount of giving birth to reaches more than 700,000,000 tons, wherein straw is 2.3 hundred million tons, 2.7 hundred million tons of maize straws, 100,000,000 tons of peanut, beans and autumn coarse cereals stalks.The easiest way of Treating straw is directly to burn down on the farm at present.Burning season, once repeatedly occuring to be forced to close event because smog all over the sky causes flight to land with motorway, both wasting a large amount of precious resources, bringing severe contamination to environment again.Therefore agriculture waste biomass outlet has become a great problem that solution is badly in need of in government department.Particularly along with the raising of level of agricultural production development and life of farmers level, fewer and feweri to utilizing of original agriculture waste biomass as fuel and fertilizer, agricultural wastes are more and more.
Summary of the invention
The purpose of this invention is to provide a kind of take the standby particle charcoal of the agriculture waste biomass-makings such as corn cob, Pericarppium arachidis hypogaeae, rice husk, stalk, edible fungi substrate as substrate material, utilize its many micropores, strong adsorptive power, to grow necessary nitrogen, phosphorus, potassium and other nutritive elements compound with growth of tea plant, prepare slow-release fertilizer dedicated method and the application of particulate biomass charcoal base tea tree, can satisfy better the needs of tea Culture.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of tea tree take the biological particles charcoal as matrix is slow-release fertilizer dedicated, contains
1. biological particles charcoal; With
2. binding agent; With
3. one or more in nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and the trace element fertilizer.
Content by weight percentage:
The content of biological particles charcoal is 10-50%;
The slow-release fertilizer dedicated total nutrient content of described tea tree take the biological particles charcoal as matrix is 30-36%; Described total nutrient refer to nitrogen (N) or/and available phosphorus (P2O5) or/and effective potassium (K2O), wherein nitrogenous (N) amount is 17-19%; Contain available phosphorus (P2O5) amount and be 5-7%; Contain effective potassium (K2O) amount and be 8-10%.
Described biological particles charcoal is one or more in corn cob granule charcoal, rice husk particle charcoal, peanut shell granular charcoal, stalk particle charcoal, the mushroom dish particle charcoal.
Described nitrogenous fertilizer is one or more in urea, ammonium nitrate, ammonium sulfate, ammonium chloride and any other formulation fertilizer containing nitrogen.
Described phosphate fertilizer is monoammonium phosphate, diammonium phosphate, calcium superphosphate, fused(calcium magnesium)phosphate, nitrophosphate fertilizer and any one or more that contain in the phosphatic manure.
Described potash fertilizer is that vitriolate of tartar, Repone K, potassium primary phosphate and any other contain in the potassic fertilizer one or more.
Described trace element fertilizer is one or more in the trace element fertilizers such as boron, zinc, manganese, iron, copper or molybdenum.
Biological particles charcoal among the present invention is preferably and adopts anoxic destructive distillation decomposition technique production agriculture waste biological particles charcoal under the inferior hot conditions.Described agriculture waste biomass can be corn cob, rice husk, Pericarppium arachidis hypogaeae, stalk, edible fungi substrate etc., but are not limited to this.
Described binding agent is that wilkinite is or/and clay.
In order to play better slow release effect, according to the tea tree nutrient uptake feature, described tea tree take the biological particles charcoal as matrix is slow-release fertilizer dedicated, and to contain simultaneously following various composition the most effective:
1) biological particles charcoal; With
2) binding agent; With
3) urea, ammonium sulfate, diammonium phosphate, vitriolate of tartar, sal epsom and zinc sulfate.
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base tea tree:
200-300 kg/tonne of biological particles carbon particle
Urea 290-310 kg/tonne
Ammonium sulfate 80-100 kg/tonne
Diammonium phosphate 110-150 kg/tonne
Vitriolate of tartar 160-200 kg/tonne
Sal epsom 18-22 kg/tonne
Zinc sulfate 8-10 kg/tonne
Described biological particles carbon particle granularity 80-100 orders, described urea contains N:46%, and described ammonium sulfate contains N 21.2%, described diammonium phosphate contains N 18%, P2O5 46%, described vitriolate of tartar contains K2O 50%, and described sal epsom contains magnesium 98%, and described zinc sulfate contains zinc 20%～23%.
Also can further contain other little fertilizer, described other little fertilizer is selected from one or more in manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate, the borax.Other little fertile total content is preferably 0.5-1%.The purity of various little fertilizer is preferably more than 90%.
The present invention also further provides the tea tree take the biological particles charcoal as matrix slow-release fertilizer dedicated preparation technology, comprises with various component mixing granulations particle diameter 3. 35-5.0mm.
The present invention also further provides the tea tree take the biological particles charcoal as matrix slow-release fertilizer dedicated purposes, and with its disposable applying, preferred amount of application is 100-120 kg/acre before the rudiment in spring.Application process is to dig 20-30 centimetre of dark ditch below tea tree tree crown edge-perpendicular, fertilizer is applied rear earthing water.
High efficiency charcoal base tea tree provided by the invention is slow-release fertilizer dedicated, is the durable composite fertilizer take organic biological particles charcoal as substrate material.The biological particles charcoal that the present invention uses is the black biological particles charcoal particle (carbon black) that the agriculture waste biomass form behind the incomplete combustion under hypoxia condition, multifrequency nature with similar agron (acid), its absorption and keep nutrient and moisture very capable, can also stimulate plant growth, sustained release performance to nitrogen phosphorus potassium is good, the slow-release fertilizer applied once for preparing thus, can effectively supply tea tree whole vegetative period the demand to nutrient, utilization rate of fertilizer is high, and has an increase soil fertility, improve the characteristics such as Soil structure and high-efficiency environment friendly, be conducive to large-scale promotion application in tea Culture.
Compare with existing compound manure, the present invention has the following advantages:
1, had good sustained release effect, utilization rate of fertilizer is high.The charcoal base tea tree that the present invention produces is slow-release fertilizer dedicated to have extremely strong adsorptivity, water-retentivity and heating property of extinction, had good sustained release effect, and the fertilizer nutrient utilization ratio is high.After being manured into soil, not only can hold fertilizer slow-release, reduce the fertilizer leaching loss, and heat the water conservation district owing to around each carbon granule, can form a little extinction, both be conducive to increase ground temperature, the slowly-releasing drought and water shortage is grown the impact that produces on growth of tea plant to a certain extent again.
2, production technique is simple, and raw material is easy to get.The used substrate material of the present invention is the biological particles charcoals such as corn cob, Pericarppium arachidis hypogaeae, rice husk, stalk, edible fungi substrate, and raw material comes from the abandoned biomass of agriculture production, and is with low cost, inexhaustible; Equipment used is pulverizer commonly used, simple and easy charring furnace, agitator, granulating disc etc., and production unit is simple, and technical maturity is easy to industrialization.As long as improve slightly, existing fertilizer plant all can directly put into production.
3, environmentally friendly, safety and environmental protection.The used substrate material of the present invention itself is exactly utilization of waste material, and the needing no outside energy does not produce " three wastes " and pollutes the energy-conservation and environmental protection of production process; The plant-derived organism of biological particles charcoal, its main component are charcoal element more than 90%, can natural decomposition in soil, fully noresidue, thereby in use to environment without any pollution, have concurrently simultaneously the improvement Soil structure long-acting characteristic, be conducive to the agricultural Sustainable development.
4, potentiality to be exploited is huge.Tea tree is the fertile crop of happiness, the arable land nitrogen stress of China about 90%, and about 30% arable land lacks phosphorus, and about 25% arable land potassium deficiency, and serious, the low problem of utilization ratio of the on the low side and ubiquitous fertilizer loss of ground temperature in early spring become the important factor that perplexs this industry development.The present invention reaches as matrix by applying biological matter particle charcoal element and heats, slowly-releasing, economy, environmental protection, increase soil fertility, improves the fertilizer efficiency texts, is a kind of revolutionary change of fertilizer industry.
Embodiment
Below by embodiment the present invention is further described specifically.
A kind of tea tree take the biological particles charcoal as matrix is slow-release fertilizer dedicated, comprises:
1. biological particles charcoal; With
2. binding agent; With
3. one or more in nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and the trace element fertilizer.
By weight or weight percent content:
The content of biological particles charcoal is 10-50%.
The slow-release fertilizer dedicated total nutrient content of described tea tree take the biological particles charcoal as matrix is 30-36%, meets organic-inorganic composite fertilizer national standard.Described total nutrient refers to nitrogen (N) and available phosphorus (P2O5).Wherein nitrogenous (N) amount is 17-19%; Contain available phosphorus (P2O5) amount and be 5-7%; Contain effective potassium (K2O) amount and be 8-10%.
Described biological particles charcoal is one or more mixture of corn cob granule charcoal, rice husk particle charcoal, peanut shell granular charcoal, stalk particle charcoal or mushroom dish particle charcoal.
Described nitrogenous fertilizer is one or more in urea, ammonium nitrate, ammonium sulfate, ammonium chloride and any other formulation fertilizer containing nitrogen.
Described phosphate fertilizer is monoammonium phosphate, diammonium phosphate, calcium superphosphate, fused(calcium magnesium)phosphate, nitrophosphate fertilizer and any one or more that contain in the phosphatic manure.
Described potash fertilizer is that vitriolate of tartar, Repone K, potassium primary phosphate and any other contain in the potassic fertilizer one or more.
Described trace element fertilizer is one or more in the trace element fertilizers such as boron, zinc, manganese, iron, copper or molybdenum.
Biological particles charcoal among the present invention is preferably and adopts anoxic destructive distillation decomposition technique production agriculture waste biological particles charcoal under the inferior hot conditions.Described agriculture waste biomass can be corn cob, rice husk, Pericarppium arachidis hypogaeae, stalk, edible fungi substrate etc., but are not limited to this.
Described binding agent is that wilkinite is or/and clay.
In order to play better slow release effect, according to the tea tree nutrient uptake feature, the tea tree take the biological particles charcoal as matrix is slow-release fertilizer dedicated, and to contain simultaneously following various composition the most effective:
1) biological particles charcoal; With
2) binding agent; With
3) urea, ammonium sulfate, diammonium phosphate, vitriolate of tartar, sal epsom and zinc sulfate.
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base tea tree:
200-300 kg/tonne of biological particles carbon particle
Urea 290-310 kg/tonne
Ammonium sulfate 80-100 kg/tonne
Diammonium phosphate 110-150 kg/tonne
Vitriolate of tartar 160-200 kg/tonne
Sal epsom 18-22 kg/tonne
Zinc sulfate 8-10 kg/tonne
Described biological particles carbon particle granularity 80-100 orders, described urea contains N:46%, and described ammonium sulfate contains N 21.2%, described diammonium phosphate contains N 18%, P2O5 46%, described vitriolate of tartar contains K2O 50%, and described sal epsom contains magnesium 98%, and described zinc sulfate contains zinc 20%～23%.
For the area or the field that lack trace element, can in this prescription, on purpose add other little fertilizer, described other little fertilizer is selected from one or more of manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate, borax.Other little fertilizer (manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate, borax etc.) total content is preferably 0. 5-1% in the special-purpose disposable base fertilizer of tea tree.The purity of various little fertilizer is preferably more than 90%.
Described urea, ammonium sulfate, diammonium phosphate, vitriolate of tartar, sal epsom, zinc sulfate are all available on market, and is all on sale at Agricultural Materials shop.
Described other little fertilizer such as manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate, borax etc. are all available on market, and are all on sale at Agricultural Materials shop.
The preferred granular urea of described urea (also being referred to as the urea powder).
The slow-release fertilizer dedicated preparation technology of described tea tree take the biological particles charcoal as matrix comprises various component mixing granulations, particle diameter 3. 35-5.0mm.
Tea tree take the biological particles charcoal as matrix provided by the invention is slow-release fertilizer dedicated, uses simply, can be with its disposable applying before the rudiment in spring.The preferred amount of application of disposable base fertilizer is 100-120 kg/acre.Application process is to dig 20-30 centimetre of dark ditch below tea tree tree crown edge-perpendicular, fertilizer is applied rear earthing water, and exempts to topdress.
Embodiment 1: the preparation technology that the tea tree take the biological particles charcoal as matrix is slow-release fertilizer dedicated
Mix with weight ratio or weight percent according to following step:
(1) nitrogenous (N) amount of getting is 46% granular urea; 80 purpose biological particles carbon particles; ratio in 70.9%, 29.1% is mixed; utilization is carried out dressing with the disc-type granulating machine (conventional machinery in the fertilizer preparation process) of heating function, makes the simple substance slow-release nitrogen fertilizer of nitrogenous (N) amount 32.61%.
(2) nitrogenous (N) amount of getting is 21.2% ammonium sulfate, 80 purpose biological particles charcoal and binding agents; ratio in 72.6%, 20.8% and 6.6% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator, make the slow-release nitrogen fertilizer of nitrogenous (N) amount 15. 39%.
(3) getting nitrogenous (N) amount is 18%; contain available phosphorus (P2O5) amount and be 46% diammonium phosphate powder, 80 purpose biological particles carbon particle and binding agents; ratio in 73.5%, 20. 4% and 6.1% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator; make nitrogenous (N) amount 13.23%, contain available phosphorus (P2O5) amount and be 33.81% compound nitrogen phosphate fertilizer.
(4) get that to contain effective potassium (K2O) amount be that 50% vitriolate of tartar, 80 purpose biological particles carbon particles, binding agent, magnesium content are that 98% sal epsom and zinc content are 23% zinc sulfate (Agricultural Materials shop is all available); ratio in 65.2%, 18.3%, 6.0%, 7.2%, 3.3% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator, make potassium, magnesium, the zinc composite fertilizer of potassium content 32. 60%.
Further compound: the finished product of (1), (2), (3) and (4) in 42.3%, 12.4%, 17.7% and 27.6% ratio compound, and are stirred with ZLC-300 type stirrer (conventional machinery in the fertilizer preparation process).
Also can further add 0.5% manganous sulfate and 0.5% copper sulfate, or add 1% ferrous sulfate, or add 1% borax, stir with ZLC-300 type stirrer (conventional machinery in the fertilizer preparation process).
Described binding agent is the Acidic Bentonite of PH 5.5-6.5.
Claims (7)
1. the tea tree take biological particles carbon as matrix is slow-release fertilizer dedicated, it is characterized in that containing:
1). the biological particles charcoal; With
2). binding agent; With
3). one or more in nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and the trace element fertilizer;
Content by weight percentage:
The content of biological particles charcoal is 10-50%;
The slow-release fertilizer dedicated total nutrient content of described tea tree take the biological particles charcoal as matrix is 30-36%; Described total nutrient refer to nitrogen (N) or/and available phosphorus (P2O5) or/and effective potassium (K2O), wherein nitrogenous (N) amount is 17-19%; Contain available phosphorus (P2O5) amount and be 5-7%; Contain effective potassium (K2O) amount and be 8-10%;
Described biological particles charcoal is one or more in corn cob granule charcoal, rice husk particle charcoal, peanut shell granular charcoal, stalk particle charcoal, the mushroom dish particle charcoal;
Described nitrogenous fertilizer is one or more in urea, ammonium nitrate, ammonium sulfate, ammonium chloride and any other formulation fertilizer containing nitrogen;
Described phosphate fertilizer is monoammonium phosphate, diammonium phosphate, calcium superphosphate, fused(calcium magnesium)phosphate, nitrophosphate fertilizer and any one or more that contain in the phosphatic manure;
Described potash fertilizer is that vitriolate of tartar, Repone K, potassium primary phosphate and any other contain in the potassic fertilizer one or more;
Described trace element fertilizer is one or more in the trace element fertilizers such as boron, zinc, manganese, iron, copper or molybdenum;
Described binding agent is that wilkinite is or/and clay.
2. a kind of tea tree take biological particles carbon as matrix as claimed in claim 1 is slow-release fertilizer dedicated, it is characterized in that containing:
1) biological particles charcoal; With
2) binding agent; With
3) urea, ammonium sulfate, diammonium phosphate, vitriolate of tartar, sal epsom and zinc sulfate;
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base tea tree:
200-300 kg/tonne of biological particles carbon particle
Urea 290-310 kg/tonne
Ammonium sulfate 80-100 kg/tonne
Diammonium phosphate 110-150 kg/tonne
Vitriolate of tartar 160-200 kg/tonne
Sal epsom 18-22 kg/tonne
Zinc sulfate 8-10 kg/tonne.
3. a kind of tea tree take biological particles carbon as matrix as claimed in claim 1 or 2 is slow-release fertilizer dedicated, it is characterized in that described biological particles carbon particle granularity 80-100 orders, described urea contains N:46%, described ammonium sulfate contains N 21.2%, described diammonium phosphate contains N 18%, P2O5 46%, described vitriolate of tartar contains K2O 50%, and described sal epsom contains magnesium 98%, and described zinc sulfate contains zinc 20%～23%.
4. a kind of tea tree take biological particles carbon as matrix as claimed in claim 1 or 2 is slow-release fertilizer dedicated, it is characterized in that also further containing other little fertilizer, described other little fertilizer is selected from one or more in manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate, the borax.
5. a kind of tea tree take biological particles carbon as matrix as claimed in claim 4 is slow-release fertilizer dedicated, it is characterized in that other little fertile total weight percent content is 0. 5-1%.
6. such as the slow-release fertilizer dedicated preparation technology of the arbitrary described a kind of tea tree take biological particles carbon as matrix of claim 1-5, it is characterized in that described various component mixing granulations, particle diameter 3. 35-5.0mm.
7. such as the slow-release fertilizer dedicated purposes of the arbitrary described a kind of tea tree take biological particles carbon as matrix of claim 1-6, it is characterized in that before the rudiment in spring with its disposable applying, preferred amount of application is 100-120 kg/acre; Application process is to dig 20-30 centimetre of dark ditch below tea tree tree crown edge-perpendicular, fertilizer is applied rear earthing water.
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| CN103351219A (en) * | 2013-06-21 | 2013-10-16 | 安徽创新农业科技有限公司 | Slow-release organic fertilizer for tea leaves and preparation method thereof |
| CN103351262A (en) * | 2013-06-21 | 2013-10-16 | 安徽创新农业科技有限公司 | Fertilizer for promoting growth of tea leaves and preparation method thereof |
| CN103408381A (en) * | 2013-07-03 | 2013-11-27 | 安徽程翔肥料有限公司 | Special organic/inorganic compound fertilizer for tea and preparation method thereof |
| CN103664331A (en) * | 2013-11-11 | 2014-03-26 | 青岛佰众化工技术有限公司 | Compound fertilizer for tea leaves |
| CN103708944A (en) * | 2013-12-18 | 2014-04-09 | 青岛崂乡茶制品有限公司 | Biomass fertilizer for tea trees |
| CN104098406A (en) * | 2014-06-25 | 2014-10-15 | 环境保护部南京环境科学研究所 | Biomass modifying agent for regulating and controlling acidity of strong-acidity tea garden soil as well as preparation method and application thereof |
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| CN105198675A (en) * | 2015-10-21 | 2015-12-30 | 滁州市施集茶场 | Planting fertilizer for terrace tea trees in hill countries and preparation method for planting fertilizer |
| CN105254369A (en) * | 2015-10-16 | 2016-01-20 | 湖南省茶叶研究所 | Special compound fertilizer for tea trees and application of special compound fertilizer |
| CN105418300A (en) * | 2016-01-08 | 2016-03-23 | 史丹利化肥股份有限公司 | Special efficient tea garden fertilizer rich in biochar and production method thereof |
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| CN103351262B (en) * | 2013-06-21 | 2016-04-20 | 安徽创新农业科技有限公司 | A kind of fertilizer promoting tea growth and preparation method thereof |
| CN103408381A (en) * | 2013-07-03 | 2013-11-27 | 安徽程翔肥料有限公司 | Special organic/inorganic compound fertilizer for tea and preparation method thereof |
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| CN103664331A (en) * | 2013-11-11 | 2014-03-26 | 青岛佰众化工技术有限公司 | Compound fertilizer for tea leaves |
| CN103708944A (en) * | 2013-12-18 | 2014-04-09 | 青岛崂乡茶制品有限公司 | Biomass fertilizer for tea trees |
| CN104098406A (en) * | 2014-06-25 | 2014-10-15 | 环境保护部南京环境科学研究所 | Biomass modifying agent for regulating and controlling acidity of strong-acidity tea garden soil as well as preparation method and application thereof |
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| CN105198632A (en) * | 2015-10-21 | 2015-12-30 | 滁州市施集茶场 | Antibacterial fertilizer special for health tea tree and preparation method of antibacterial fertilizer |
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| CN105418300A (en) * | 2016-01-08 | 2016-03-23 | 史丹利化肥股份有限公司 | Special efficient tea garden fertilizer rich in biochar and production method thereof |
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Application publication date: 20130327 |