CN102850136A - Citrus specialized slow release fertilizer using biomass granular carbon as substrate and preparation method of citrus specialized slow release fertilizer - Google Patents
Citrus specialized slow release fertilizer using biomass granular carbon as substrate and preparation method of citrus specialized slow release fertilizer Download PDFInfo
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- CN102850136A CN102850136A CN2012103657478A CN201210365747A CN102850136A CN 102850136 A CN102850136 A CN 102850136A CN 2012103657478 A CN2012103657478 A CN 2012103657478A CN 201210365747 A CN201210365747 A CN 201210365747A CN 102850136 A CN102850136 A CN 102850136A
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Abstract
The invention discloses a citrus specialized slow release fertilizer using biomass granular carbon as a substrate and a preparation method of the citrus specialized slow release fertilizer. The granular carbon prepared by waste agricultural biomass of corn cobs, peanut shells, rice hulls, edible mushroom substrates and the like is used as a substrate material, and the granular carbon which is microporous and high in adsorption capacity is compounded with nitrogen, phosphori, potassium and other nutrient elements which are required for growth and development of citruses to be prepared into the granular biomass carbon based citrus specialized slow release fertilizer. According to the citrus specialized slow release fertilizer, the used biomass granular carbon is black biomass granular carbon granules formed by incomplete combustion of the waste agricultural biomass under the low oxygen condition, and the biomass granular carbon has multiple characteristics similar to soil humus and is high in capability of absorbing and keeping nutrient and water, good in slow release performances of nitrogen phosphorus kalium and capable of stimulating crop growth. The prepared release fertilizer is applied for one time and can efficiently provide nutrient for the citruses during a whole growing period, besides, the citrus specialized slow release fertilizer has the advantages of being capable of increasing soil fertility, improving soil structure, effective and environment-friendly, and large-scale popularization and application during production of the citruses are facilitated.
Description
Technical field
The invention belongs to the agricultural fertilizer production technical field, particularly a kind of oranges and tangerines take the biological particles charcoal as matrix are slow-release fertilizer dedicated and preparation method thereof.
Background technology
Oranges and tangerines are typical subtropical zone evergreenness fruit trees, and the physiological activity anniversary does not stop, and vegetative period is long, and result quantities is many, and rate of fertilizer application is large.The mandarin tree that grows up will experience the physiological change process of germinateing and taking out the tip, yielding positive results in 1 year, and spring fraction of the year of per, summer, autumn, winter are taken out the tip four times, during carry out simultaneously bud differentiation, the process of bearing fruit, its total fertilizer requirement is equivalent to about the twice of deciduous fruit tree.So the nutrition to mandarin tree is regulated extremely important.If overnutrition, then the branch over growth causes a large amount of fruit drops.Under-nutrition, then branch, fruit fight for nutrient, make fruit development bad.There are the following problems for the Orange Producing of China at present: the one, and China's citrus orchard great majority are positioned at mountain region, knob, and the soil gradient is large, and water and soil runs off easily; The 2nd, the fertilising of present oranges and tangerines is take the quick-acting chemical fertilizer as main, and they dissolve in soil soon, if applied once too much not only injures root system, can cause that also the loss of nitrogen, potash fertilizer and phosphate fertilizer by soil fixing, cause the eutrophication in fertilizer waste and river, lake.
The method one that addresses these problems in fertilising at present is the consumption that increases fertilizer, the 2nd, and chemical fertilizer application is taked on a small quantity repeatedly.Along with the continuous expansion of oranges and tangerines cultivated area, fertilizer can not be satisfied the demand, and chemical fertilizer is repeatedly used and had a following deficiency: the one, increased peasant's labour intensity and recruitment cost; The 2nd, the Ci trus growth phase frequently the ditching fertilising can cut off a large amount of root systems, impact is to the absorption of nutrient.Adopt the long-acting or slow special release fertilizer single fertilization of oranges and tangerines more and more to be subject to peasant's welcome.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 Ci trus growth, prepare slow-release fertilizer dedicated method and the application of particulate biomass charcoal base oranges and tangerines, can satisfy better the needs of Orange Producing.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of oranges and tangerines take the biological particles charcoal as matrix are slow-release fertilizer dedicated, contain
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 oranges and tangerines 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 14-16%; Contain available phosphorus (P2O5) amount and be 6-8%; Contain effective potassium (K2O) amount and be 10-12%.
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 oranges and tangerines nutrient uptake feature, described oranges and tangerines take the biological particles charcoal as matrix are 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, diammonium phosphate, fused(calcium magnesium)phosphate, vitriolate of tartar, zinc sulfate and borax.
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base oranges and tangerines:
200-300 kg/tonne of biological particles carbon particle
Urea 260-290 kg/tonne
Diammonium phosphate 110-140 kg/tonne
Fused(calcium magnesium)phosphate 60-100 kg/tonne
Vitriolate of tartar 200-240 kg/tonne
Zinc sulfate 8-12 kg/tonne
Borax 8-12 kg/tonne
Described biological particles carbon particle granularity 80-100 orders, described urea contains N:46%, described diammonium phosphate contains N 18%, P2O5 46%, described fused(calcium magnesium)phosphate contains P2O5:15%, described vitriolate of tartar contains K2O 50%, described zinc sulfate contains zinc 20%～23%, described borax boracic 11%.
Also can further contain other little fertilizer, described other little fertilizer is selected from one or more in manganous sulfate, ammonium molybdate, ferrous sulfate, the copper sulfate.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 oranges and tangerines 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 oranges and tangerines take the biological particles charcoal as matrix slow-release fertilizer dedicated purposes, used as long-acting slow-release base fertilizer, November after oranges and tangerines are gathered and Second Year apply June at twice, and preferred amount of application is 150-200 kg/acre.Application process is to dig the annular groove of dark 20cm, wide 20-30cm under oranges and tangerines tree crown drip, apply fertilizer after earthing water.
High efficiency charcoal base oranges and tangerines provided by the invention are slow-release fertilizer dedicated, are the durable composite fertilizers 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 oranges and tangerines 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 Orange Producing.
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 oranges and tangerines that the present invention produces are 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 Ci trus growth 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.Oranges and tangerines are the fertile crops of happiness, the arable land nitrogen stress of China about 90%, about 30% arable land lacks phosphorus, about 25% arable land potassium deficiency, and the unreasonable and ubiquitous fertilizer loss of Fertilization Structure is serious, the low problem of utilization ratio, becomes the important factor of this industry development of puzzlement.The present invention reaches loose, slowly-releasing, economy, environmental protection, increase soil fertility, improves the fertilizer efficiency texts as matrix by applying biological matter particle charcoal element, is a kind of revolutionary change of fertilizer industry.
Embodiment
Below by embodiment the present invention is further described specifically.
A kind of oranges and tangerines take the biological particles charcoal as matrix are slow-release fertilizer dedicated, comprise:
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 oranges and tangerines 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 14-16%; Contain available phosphorus (P2O5) amount and be 6-8%; Contain effective potassium (K2O) amount and be 10-12%.
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 oranges and tangerines nutrient uptake feature, the oranges and tangerines take the biological particles charcoal as matrix are 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, diammonium phosphate, fused(calcium magnesium)phosphate, vitriolate of tartar, zinc sulfate and borax.
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base oranges and tangerines:
200-300 kg/tonne of biological particles carbon particle
Urea 260-290 kg/tonne
Diammonium phosphate 110-140 kg/tonne
Fused(calcium magnesium)phosphate 60-100 kg/tonne
Vitriolate of tartar 200-240 kg/tonne
Zinc sulfate 8-12 kg/tonne
Borax 8-12 kg/tonne
Described biological particles carbon particle granularity 80-100 orders, described urea contains N:46%, described diammonium phosphate contains N 18%, P2O5 46%, described fused(calcium magnesium)phosphate contains P2O5:15%, described vitriolate of tartar contains K2O 50%, described zinc sulfate contains zinc 20%～23%, described borax boracic 11%.
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.Other little fertilizer (manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate etc.) total content is preferably 0. 5-1% in the special-purpose disposable base fertilizer of oranges and tangerines.The purity of various little fertilizer is preferably more than 90%.
Described urea, diammonium phosphate, fused(calcium magnesium)phosphate, vitriolate of tartar, zinc sulfate, borax are all available on market, and be all on sale at Agricultural Materials shop.
Described other little fertilizer such as manganous sulfate, ammonium molybdate, ferrous sulfate, copper sulfate 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 oranges and tangerines take the biological particles charcoal as matrix comprises various component mixing granulations, particle diameter 3. 35-5.0mm.
Oranges and tangerines take the biological particles charcoal as matrix provided by the invention are slow-release fertilizer dedicated, use simple, can be used as oranges and tangerines long-acting special slow-releasing base fertilizer, the November after oranges and tangerines are gathered and Second Year apply June at twice, and preferred amount of application is 150-200 kg/acre.Application process is to dig the annular groove of dark 20cm, wide 20-30cm under oranges and tangerines tree crown drip, apply fertilizer after earthing water, exempt to topdress.
Embodiment 1: the preparation technology that the oranges and tangerines take the biological particles charcoal as matrix are 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 69.6%, 30.4% 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 32.02%.
(2) 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 73.1%, 20. 9% and 6.0% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator; make nitrogenous (N) amount 13.16%, contain available phosphorus (P2O5) amount and be 33.63% compound nitrogen phosphate fertilizer.
(3) get that to contain available phosphorus (P2O5) amount be 15% fused(calcium magnesium)phosphate, 80 purpose biological particles carbon particle and binding agents; ratio in 72.7%, 21. 2% and 6.1% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator, make that to contain available phosphorus (P2O5) amount be 10.91% slow-release 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, zinc content are 23% zinc sulfate and boron fertilizer (Agricultural Materials shop is all available); ratio in 67.9%, 20.1%, 6.0%, 3.0%, 3.0% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator, make potassium, zinc, the boron composite fertilizer of potassium content 33. 95%.
Further compound: the finished product of (1), (2), (3) and (4) in 39.5%, 17.1%, 11.0% and 32.4% 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, 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 oranges and tangerines take biological particles carbon as matrix are 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 oranges and tangerines 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 14-16%; Contain available phosphorus (P2O5) amount and be 6-8%; Contain effective potassium (K2O) amount and be 10-12%;
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 oranges and tangerines take biological particles carbon as matrix as claimed in claim 1 are slow-release fertilizer dedicated, it is characterized in that containing:
1) biological particles charcoal; With
2) binding agent; With
3) urea, diammonium phosphate, fused(calcium magnesium)phosphate, vitriolate of tartar, zinc sulfate and borax;
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base oranges and tangerines:
200-300 kg/tonne of biological particles carbon particle
Urea 260-290 kg/tonne
Diammonium phosphate 110-140 kg/tonne
Fused(calcium magnesium)phosphate 60-100 kg/tonne
Vitriolate of tartar 200-240 kg/tonne
Zinc sulfate 8-12 kg/tonne
Borax 8-12 kg/tonne.
3. a kind of oranges and tangerines take biological particles carbon as matrix as claimed in claim 1 or 2 are slow-release fertilizer dedicated, it is characterized in that described biological particles carbon particle granularity 80-100 orders, described urea contains N:46%, described diammonium phosphate contains N 18%, P2O5 46%, described fused(calcium magnesium)phosphate contains P2O5:15%, described vitriolate of tartar contains K2O 50%, and described zinc sulfate contains zinc 20%～23%, described borax boracic 11%.
4. a kind of oranges and tangerines take biological particles carbon as matrix as claimed in claim 1 or 2 are 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, the copper sulfate.
5. a kind of oranges and tangerines take biological particles carbon as matrix as claimed in claim 4 are 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 oranges and tangerines 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 oranges and tangerines take biological particles carbon as matrix of claim 1-6, it is characterized in that used as long-acting slow-release base fertilizer, November after oranges and tangerines are gathered and Second Year apply June at twice, and preferred amount of application is 150-200 kg/acre; Application process is to dig the annular groove of dark 20cm, wide 20-30cm under oranges and tangerines tree crown drip, apply fertilizer after earthing water.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103011995A (en) * | 2013-01-21 | 2013-04-03 | 上海孚祥生物科技有限公司 | Special slow release fertilizer for loquat by using biomass granular carbon as matrix and preparation method thereof |
| CN103044155A (en) * | 2013-01-22 | 2013-04-17 | 上海孚祥生物科技有限公司 | Biomass particle carbon matrix controlled release fertilizer special for medlar and preparation method thereof |
| CN103721674A (en) * | 2013-12-13 | 2014-04-16 | 永济市申华机制木炭加工销售有限公司 | Activated carbon air-purifying particles and preparation method thereof |
| CN104774099A (en) * | 2015-04-02 | 2015-07-15 | 江西省农业科学院土壤肥料与资源环境研究所 | Citrus crop special-purposed sustained-and-controlled-release formulated fertilizer, and preparation method and application method thereof |
| CN106416561A (en) * | 2016-08-31 | 2017-02-22 | 钟山县绿森农业开发有限公司 | Slow-release fertilizing method for citruses |
| CN107382533A (en) * | 2017-09-01 | 2017-11-24 | 钟山佳欣果蔬有限责任公司 | A kind of citrus flower and fruit protecting fertilizer and preparation method thereof |
| CN111004070A (en) * | 2019-12-19 | 2020-04-14 | 陕西佳上肥料科技有限公司 | Special biological bacterial fertilizer for citrus and preparation method thereof |
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| CN1752054A (en) * | 2005-08-09 | 2006-03-29 | 罗敏 | Production technology of bamboo carbon nutritive carbon particle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011995A (en) * | 2013-01-21 | 2013-04-03 | 上海孚祥生物科技有限公司 | Special slow release fertilizer for loquat by using biomass granular carbon as matrix and preparation method thereof |
| CN103044155A (en) * | 2013-01-22 | 2013-04-17 | 上海孚祥生物科技有限公司 | Biomass particle carbon matrix controlled release fertilizer special for medlar and preparation method thereof |
| CN103721674A (en) * | 2013-12-13 | 2014-04-16 | 永济市申华机制木炭加工销售有限公司 | Activated carbon air-purifying particles and preparation method thereof |
| CN104774099A (en) * | 2015-04-02 | 2015-07-15 | 江西省农业科学院土壤肥料与资源环境研究所 | Citrus crop special-purposed sustained-and-controlled-release formulated fertilizer, and preparation method and application method thereof |
| CN106416561A (en) * | 2016-08-31 | 2017-02-22 | 钟山县绿森农业开发有限公司 | Slow-release fertilizing method for citruses |
| CN107382533A (en) * | 2017-09-01 | 2017-11-24 | 钟山佳欣果蔬有限责任公司 | A kind of citrus flower and fruit protecting fertilizer and preparation method thereof |
| CN111004070A (en) * | 2019-12-19 | 2020-04-14 | 陕西佳上肥料科技有限公司 | Special biological bacterial fertilizer for citrus and preparation method thereof |
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Application publication date: 20130102 |