CN102173944B - Carbon-based controlled-release fertilizer special for potato and preparation method thereof - Google Patents
Carbon-based controlled-release fertilizer special for potato and preparation method thereof Download PDFInfo
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- CN102173944B CN102173944B CN2011100395816A CN201110039581A CN102173944B CN 102173944 B CN102173944 B CN 102173944B CN 2011100395816 A CN2011100395816 A CN 2011100395816A CN 201110039581 A CN201110039581 A CN 201110039581A CN 102173944 B CN102173944 B CN 102173944B
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- 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
Abstract
The invention relates to the field of agricultural chemistry, in particular relates to a carbon-based controlled-release fertilizer special for potato and a preparation method thereof. The environment-friendly efficient carbon-based controlled-release fertilizer special for the potato is a long-acting granular-carbon-based compound fertilizer which is prepared from waste agriculture and forestry biomasses such as corn core, peanut shell, rice shell, edible fungi substrate and the like, wherein the biological granular carbon is black carbon powder granules (carbon black) which is formed by imperfect combustion of biomasses under anaerobic condition and has various features similar to those of soil humus (acid); and the biological granular carbon has strong capabilities of absorbing and retaining nutrition and moisture, can stimulate growth of crops and has good controlled-release effect on NPK, thus the prepared controlled-release fertilizer only needs to be applied once in the full growth and development period of potatoes, has the characteristics of increasing soil fertility, improving soil structure and the like, is efficient and environment-friendly, and has a wide application prospect.
Description
Technical field
The present invention relates to agrochemical field, particularly a kind of carbon-based controlled-release fertilizer special for potato and preparation method thereof.
Background technology
Potato nutritional is abundant, is the food of grain dish dual-purpose, is again high-quality feed, or the raw material of food-processing industry and multiple industry.Potato wide accommodation, breeding time lack, anti-disaster ability is strong, less demanding to land quality, planting cost is extremely low.No matter greatly develop the potato planting industry, be to solve the problem of shaking off poverty in high and cold poverty-stricken area, or realize getting rich hope in developed regions, all has very important significance, and occupies extremely important status in national economy and social development.
China is potato production big country, and cultivated area is at the forefront in the world, but unit yield only is 1/3rd of world average level.According to Chinese agriculture yearbook data presentation, China's potato planting area is about 5,300,000 hectares at present, accounts for 1/4th of the total cultivated area in the world.But average per unit area yield only has 15 tons/hectare, greatly lags behind average 45 tons/hectare of developed country.As seen, China's potato yield room for promotion is huge, demand is urgent.
In potato produced, fertilising was the important measures of guaranteeing yield and quality.Usually in potato produces, adopt repeatedly fertilization mode, comprise base manure, seed manure and topdress etc.In recent years, because the potato price is lower, profit is thinner, in order to save production cost, produces on the fertilizing management potato, and too much labour is reluctant to drop in peasant household.Add that the potato planting district mostly is the arid and semi-arid lands, be subjected to the impact of water resources and water supply conditions, the plant recovery of nutrient of common potato special fertilizer is very low, not only wastes resource, and environmental pollution is heavier, more and more is not suitable with the needs that potato produces development.Adopt the long-acting or slow special release fertilizer single fertilization of potato 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 rubber latex, the mixing formed Wrapped fertilizer of agriculture and industry waste 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.
Environment-friendly highly efficient carbon-based controlled-release fertilizer special for potato provided by the invention 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 agricultural abandoned biomass forms 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 of preparation can utilize for potato the time of infertility thus, and has an increase soil fertility, improve the characteristics such as Soil structure and high-efficiency environment friendly, have a extensive future.
It is relatively reasonable to the present invention is to provide a kind of price, the fertilizer nutrient slow-releasing is better, have water conservation and heat function, promote plant growth, have improvement soil, culture fertility function, meet dry land farming environment, the special-purpose carbon-base slow release compound manure of the disposable potato of environment-friendly type can adapt to the needs that potato produces better.
Summary of the invention
To achieve these goals, the invention provides a kind of carbon-based controlled-release fertilizer special for potato, contain:
1. biological particles charcoal; With
2. binding agent (wilkinite is or/and clay); With
3. one or more in urea, monoammonium phosphate, ammonium sulfate, vitriolate of tartar, borax, the zinc sulfate.
In order to play better slow release effect, according to the potato nutrient uptake feature, it is the most effective that carbon-based controlled-release fertilizer special for potato contains above-mentioned various composition simultaneously.
Content by weight percentage:
The content of biological particles charcoal is 10-50%;
The total nutrient content of described carbon-base slow release potato special fertilizer is 18-22%, is preferably 20.1%; Described total nutrient refers to nitrogen (N) or/and available phosphorus (P
2O
5), wherein nitrogenous (N) amount is preferably 8.1% for 6-10%; Contain available phosphorus (P
2O
5) amount is for 10-14%, is preferably 12.0%.
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.
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 preferred granular urea of described urea (also being referred to as the urea powder).
The present invention also further provides the preparation technology of carbon-based controlled-release fertilizer special for potato, comprises various component mixing granulations, particle diameter 3.35-5.0mm.
The present invention also further provides the purposes of carbon-based controlled-release fertilizer special for potato, and used as disposable base fertilizer, preferred amount of application is 40 kg/acres, and machinery imposes under the seed 5-10cm depths between 12-15cm place or two caves during sowing.
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 used substrate material of carbon-base slow release fertilizer that the present invention produces is the biological particles carbon particles such as corn cob, Pericarppium arachidis hypogaeae, rice husk, has 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 potato 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; come from the abandoned biomass that agroforestry are produced, equipment used is pulverizer commonly used, simple and easy charring furnace, agitator, granulating disc etc., and production unit is simple; with low cost, be 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 is pure biological particles carbon particle, and its main component is the charcoal element more than 90%, can effectively improve Soil structure, and is environmentally friendly, safety and environmental protection.
Description of drawings
Fig. 1 is the charring furnace structure diagram.
Fig. 2 is the triangular burner structure diagram of charring furnace.
Embodiment
Potato special fertilizer material provided by the invention is for the preparation of carbon-based controlled-release fertilizer special for potato with the biological particles charcoal.The carbon-based controlled-release fertilizer special for potato that the biological particles charcoal is produced as sustained-release matrix can be used as disposable base fertilizer and uses separately, also can be used with other products.
Carbon-based controlled-release fertilizer special for potato preparation technology provided by the invention is simple, utilize many microporous properties and the strong adsorptive power of biological particles charcoal, to grow necessary nitrogen, phosphorus, potassium and other nutritive elements compound with potato growth, and make binding agent, granulation shape carbon-based controlled-release fertilizer special for potato with Acidic Bentonite or clay.The economic environmental protection of this fertilizer, applied once, can effectively supply potato whole vegetative period the demand to nutrient, utilization rate of fertilizer is high, saves fertilising cost and energy consumption, is conducive to large-scale promotion application in potato produces.
Carbon-based controlled-release fertilizer special for potato comprises:
1. biological particles charcoal
2. binding agent (wilkinite or clay)
3. urea (containing N:46%), monoammonium phosphate (contain N:11%, P
2O
5: 46%), ammonium sulfate (containing N:21.2%), vitriolate of tartar (contain potassium: 50%), borax (boracic: 11%) and zinc sulfate (contain zinc: one or more 23%).
In order to play better slow release effect, according to the potato nutrient uptake feature, it is the most effective that carbon-based controlled-release fertilizer special for potato contains above-mentioned various composition simultaneously, is confirmed in the fertilizer efficiency experiment of embodiment 4.
By weight or weight percent content:
The content of biological particles charcoal is 10-50%.
The total nutrient content of described carbon-base slow release potato special fertilizer is 18-22%, is preferably 20.1%, meets the organic-inorganic complex fertilizer national standard.Described total nutrient refers to nitrogen (N) and available phosphorus (P
2O
5).Wherein nitrogenous (N) amount is preferably 8.1% for 6-10%; Contain available phosphorus (P
2O
5) amount is for 10-14%, is preferably 12.0%.
Above-mentioned total nutrient content or nitrogen (N), phosphorus (P
2O
5), potassium (K
2O) nutrient content calculates by this area method of calculation commonly used.Other component content can be according to the need of production Self-adjustment.
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.
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, prepares dedicated fertilizer.The trace element that adds can other compound form exist, as selecting to add the additional Fe such as ferrous sulfate or iron(ic) chloride
3+Or Fe
2+, those skilled in the art can arbitrarily adjust according to common practise.The little fertile kind of adding is not limited to above-mentioned little fertilizer, can add according to potato growth needs or different end-use needs other little fertilizer, as adding selenium fertilizer etc.The purity of various little fertilizer is preferably more than 90%.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 potato.
Described ammonium sulfate, urea, monoammonium phosphate, vitriolate of tartar, borax, 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 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 preparation technology of carbon-based controlled-release fertilizer special for potato comprises various component mixing granulations, particle diameter 3.35-5.0mm.
Carbon-based controlled-release fertilizer special for potato provided by the invention uses simply, can be used as the special-purpose disposable base fertilizer of potato.The preferred amount of application of disposable base fertilizer is 40 kg/acres, and machinery imposes under the seed 5-10cm depths between 12-15cm place or two caves during sowing, exempts to topdress.
Preferably, the present invention is that to utilize the patent No. be that the described semi-enclosed granule carbonization furnace of Chinese invention patent (as shown in Figure 1, 2) of ZL200710086505.4 is produced the biological particles charcoal, as described in this patent, this semi-enclosed granule carbonization furnace adopts anoxic destructive distillation decomposition technique production agricultural abandoned biomass particle charcoal under the inferior hot conditions.Described agricultural abandoned biomass can be corn cob, stalk, Pericarppium arachidis hypogaeae, rice husk, production discarded mushroom dish etc., but is not limited to this.
By different biomass are carried out charing, produce corn cob granule charcoal, rice husk particle charcoal, peanut shell granular charcoal, stalk particle charcoal or mushroom dish particle charcoal etc., can further be processed into granularity is the 80-100 order.
The description that present embodiment is exemplary to utilize the patent No. be the method that the described semi-enclosed granule carbonization furnace of the Chinese invention patent of ZL200710086505.4 is produced the corn cob granule charcoal, comprise select materials, the steps such as materiel machining, shove charge charing, cooling are come out of the stove, metering packing, but be not limited to this.
Select materials: its water content is down to below 20% the corn cob natural air drying of agricultural byproducts.
Materiel machining: any crumbling method is pulverized above-mentioned qualified corn cob processing in the employing prior art, and the corn cob granule diameter after the pulverizing is 2-10mm.The screening of can sieving of corn cob granule after the pulverizing can be processed again for undesirable corn cob granule.
The shove charge charing: the corn cob granule that processes is packed in the body of heater, and initial material add-on is advisable to cover on the burner 10-25 centimetre.Ignition substance in the burner flashpan is lighted.Described ignition substance is diesel oil.After material is lighted, continue spontaneous combustion, need not external heat source.Material anoxic charing under 150-450 ℃ of inferior hot conditions.When temperature was heated to more than 150 ℃, the complex construction of particle began to decompose; Decompose aggravation during greater than 260 ℃ when temperature, generate tar and gas; When temperature reaches 450 ℃, begin anoxybiotic, atomizing, generate black charcoal crude granule.Anoxia condition in the Artificial Control body of heater.Adopt XMT-121 type digital temperature controller to monitor.XMT-121 type digital temperature controller is the common instrument of this area, and the instrument shop is all available on market.When temperature in the body of heater reaches 450 ℃, in time replenish Material control oxygen supply amount.The thickness that at every turn appends material is 6-12 centimetre.After whole materials interpolations are complete, add last layer finished product charcoal and cover, thickness is 15-30 centimetre.
Cooling is come out of the stove: when the finished product charcoal of last layer burn red after (estimate and get final product), in time spraying cold water extinguishes stove fire, naturally cooling is come out of the stove.
Can become granularity to the further grinding and processing of corn cob granule charcoal of coming out of the stove as required is 80-100 purpose particulate.
The production technique of stalk particle charcoal, mushroom dish particle charcoal is except the raw material difference, and other technique and present embodiment are basic identical, can this embodiment as a reference.
The description that present embodiment is exemplary to utilize the patent No. be the method that the described semi-enclosed granule carbonization furnace of the Chinese invention patent of ZL200710086505.4 is produced the peanut shell granular charcoal, comprise select materials, shove charge charing, cooling are come out of the stove, the step such as metering packing, but are not limited to this.
Select materials: its water content is down to below 20% the Pericarppium arachidis hypogaeae natural air drying of agricultural byproducts.
The shove charge charing: the Pericarppium arachidis hypogaeae that will clean is packed in the body of heater, and initial material add-on is advisable to cover on the burner 10-25 centimetre.Ignition substance in the burner flashpan is lighted.Described ignition substance is diesel oil.After material is lighted, continue spontaneous combustion, need not external heat source.Material anoxic charing under 150-450 ℃ of inferior hot conditions.When temperature was heated to more than 150 ℃, the complex construction of particle began to decompose; Decompose aggravation during greater than 260 ℃ when temperature, generate tar and gas; When temperature reaches 450 ℃, begin anoxybiotic, atomizing, generate black charcoal crude granule.Anoxia condition in the Artificial Control body of heater.Adopt XMT-121 type digital temperature controller to monitor.XMT-121 type digital temperature controller is the common instrument of this area, and the instrument shop is all available on market.When temperature in the body of heater reaches 450 ℃, in time replenish Material control oxygen supply amount.The thickness that at every turn appends material is 6-12 centimetre.After whole materials interpolations are complete, add last layer finished product charcoal and cover, thickness is 15-30 centimetre.
Cooling is come out of the stove: when the finished product charcoal of last layer burn red after (estimate and get final product), in time spraying cold water extinguishes stove fire, naturally cooling is come out of the stove.
The production technique of rice husk particle charcoal is except the raw material difference, and other technique and present embodiment are basic identical, can this embodiment as a reference.
The particle charcoals that embodiment 1 or 2 is produced are for the production of carbon-based controlled-release fertilizer special for potato, and employed feed particles charcoal can be one or more mixing in corn cob granule charcoal, rice husk particle charcoal, peanut shell granular charcoal, stalk particle charcoal or the mushroom dish particle charcoal.Can become granularity to the further grinding and processing of particle charcoal of coming out of the stove as required is 80-100 purpose particulate.
Embodiment 3: the preparation technology of carbon-based controlled-release fertilizer special for potato
Mix with weight ratio or weight percent according to following step:
(1) with liquid containing ammonium sulfate, 80 purpose biological particles charcoal and binding agents, the ratio in 62.5%, 25% and 12.5% is mixed, and carries out the pressure granulation with KP-300 type organic fertilizer granulator, makes the slow-release nitrogen fertilizer of nitrogenous (N) amount 13.25%.
(2) will to contain N amount be 11%, contain P
2O
5Amount is 46% monoammonium phosphate powder, 80 purpose corn cob granule carbon particle and binding agents, and the ratio in 66.7%, 26.7% and 6.6% is mixed, and carries out the pressure granulation with KP-300 type organic fertilizer granulator, makes nitrogenous (N) amount 7.3%, contains available phosphorus (P
2O
5) amount is 30.7% compound nitrogen phosphate fertilizer.
(3) will contain effective potassium (K
2O) amount is that 50% Repone K, 80 purpose particle carbon particles, binding agent, zinc content are 23% zinc sulfate and boron fertilizer (Agricultural Materials shop is all available); ratio in 67.8%, 17.0%, 6.8%, 2.8%, 5.6% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator, make zinc, potassium, the boron composite fertilizer of potassium content 33.9%.
(4) nitrogenous (N) amount of getting is 46% granular urea; 80 purpose corn cob granule carbon particles; ratio in 58.8%, 41.2% 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 27.1%.
Further compound: the finished product of (1), (2), (3) and (4) in 12%, 38%, 35.4% and 13.6% 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, stir with ZLC-300 type stirrer (conventional machinery in the fertilizer preparation process).
Described binding agent is the Acidic Bentonite of pH5.5-6.5.
Embodiment 4: the fertilizer efficiency experiment
The carbon-based controlled-release fertilizer special for potato of embodiment 3 compounds preparation is used for the fertilizer efficiency experiment.Xiuyan County, Liaoning Province Yanghe Zhen brunisolic soil has carried out the test of this special fertilizer in the Anshan, liaoning Province city.The examination Potato Cultivars is Semen corchori.If charcoal slow-release fertilizer and two processing of contrast.Slow-release fertilizer is processed and is used 40 kg/acres of described charcoal slow-release fertilizers, and control treatment all applies as base manure is disposable according to waiting nutrient, equal proportion principle to use conventional fertilizer (urea, phosphoric acid diamines, vitriolate of tartar), and late growth stage no longer topdresses.Planting patterns and field management are with the production field.
Experimental result shows, compares with the contrast of using conventional fertilizer, and the carbon-based controlled-release fertilizer special for potato of using the present invention's production can promote in many aspects plant forms index and the physiological character of potato.In the time of infertility, the potato plant overground part dry weight that charcoal slow-release fertilizer is processed all is greater than or equal to contrast.Especially coming into bloom, answering the Varieties plant height to reach 36.72 centimetres, be higher than contrast 8.13%, illustrating in the nutritional needs critical period, charcoal slow-release fertilizer is grown to potato plant and has been played obvious promoter action.Survey and produce result's demonstration, final potato yield reaches 2396.12 kg/acres, is higher than contrast 8.12%.
Experimental result also shows, the raising that the remarkable promotion of the application of carbon-based controlled-release fertilizer special for potato finishes the potato commodity.Middle potato (more than or equal to 75g, less than 150g), yampi (more than or equal to 150g) ratio reach respectively 47.38%, 11.46%, are higher than contrast 32.24% and 56.99%, and difference reaches utmost point conspicuous level.Simultaneously, charcoal slow-release fertilizer also has positive effect to the Potato Quality index, stem tuber dry-matter, starch, soluble sugar, Vitamin C content are respectively 21.09%, 15.31%, 0.31%, 32.06mg/100g, all be higher than contrast, soluble protein content then reaches 4.27mg/g, is significantly higher than contrast 11.20%.As seen, the potato of charcoal slow-release fertilizer processing all has clear superiority at aspects such as output, quality, commodity (big-and-middle potato ratio).
Claims (5)
1. carbon-based controlled-release fertilizer special for potato is characterized in that containing:
1) biological particles charcoal; With
2) binding agent; With
3) urea, monoammonium phosphate, ammonium sulfate, vitriolate of tartar, borax and zinc sulfate;
Content by weight percentage:
The content of biological particles charcoal is 10-50%;
The total nutrient content of described carbon-base slow release potato special fertilizer is 20.1%, and described total nutrient refers to nitrogen N or/and available phosphorus P
2O
5Wherein nitrogenous N amount is 8.1%, contains available phosphorus P
2O
5Amount is 12.0%;
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 binding agent is that wilkinite is or/and clay.
2. carbon-based controlled-release fertilizer special for potato as claimed in claim 1 is characterized in that also further containing other little fertilizer, and described other little fertilizer is selected from one or more in manganous sulfate, ammonium molybdate, ferrous sulfate, the copper sulfate.
3. carbon-based controlled-release fertilizer special for potato as claimed in claim 2 is characterized in that other little fertile total weight percent content is 0.5-1%.
4. such as the preparation technology of the arbitrary described carbon-based controlled-release fertilizer special for potato of claim 1-3, it is characterized in that described various component mixing granulations, particle diameter 3.35-5.0mm.
5. such as the purposes of the arbitrary described carbon-based controlled-release fertilizer special for potato of claim 1-3, it is characterized in that used as disposable base fertilizer, amount of application is 40 kg/acres, machinery imposes under the seed 5-10cm depths between 12-15cm place or two caves during sowing.
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| CN103449915B (en) * | 2013-08-27 | 2015-07-08 | 黑龙江省农业科学院农村能源研究所 | Organic/inorganic compound fertilizer taking biomass charcoal as matrix, preparation method of organic/inorganic compound fertilizer and preparation method of fine straw biomass charcoal powder |
| CN104045491B (en) * | 2014-06-26 | 2016-05-18 | 南京青庭农业科技有限公司 | A kind of potato chemical fertilizer specially |
| CN105085019A (en) * | 2015-08-01 | 2015-11-25 | 黑龙江泛众科技开发有限公司 | Nutritional agent promoting plant growth and preparing method thereof |
| CN105060982A (en) * | 2015-08-06 | 2015-11-18 | 丁德凤 | Preparation process for four-season applicable high-nutrition compound fertilizer |
| CN105461461A (en) * | 2016-01-05 | 2016-04-06 | 农业部规划设计研究院 | Environment-friendly carbon-based slow-release fertilizer and preparation method thereof |
| CN105503368A (en) * | 2016-01-08 | 2016-04-20 | 史丹利化肥股份有限公司 | High tower biomass carbon-based fertilizer special for potatoes and preparation method of high tower biomass carbon-based fertilizer |
| CN106588507A (en) * | 2016-12-29 | 2017-04-26 | 深圳市芭田生态工程股份有限公司 | Dedicated potato fertilizer |
| CN106916020A (en) * | 2017-04-11 | 2017-07-04 | 安徽科技学院 | A kind of charcoal base manure material and preparation method thereof |
| CN108238822A (en) * | 2017-05-12 | 2018-07-03 | 江西圣牛米业有限公司 | A kind of charcoal base compound organic and inorganic fertilizer and its production technology and fertilizing method |
| CN108029503A (en) * | 2017-12-29 | 2018-05-15 | 李南飞 | The preparation method of virus-free potato primary stock special bio organic substrate |
| CN108752140A (en) * | 2018-08-15 | 2018-11-06 | 安徽科技学院 | A kind of charcoal base manure material and preparation method thereof |
| CN112457097A (en) * | 2020-10-29 | 2021-03-09 | 千人计划土壤治理研究院（唐山）有限公司 | Special carbon-based fertilizer for potatoes and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443447C (en) * | 2007-04-29 | 2008-12-17 | 陈温福 | Special carbon-base slow release fertilizer for corn and preparation method thereof |
| CN101386557A (en) * | 2007-09-14 | 2009-03-18 | 中国科学院兰州化学物理研究所 | Anti-seepagesustained-release fertilizer for planting potato and preparation method thereof |
| CN101234919B (en) * | 2008-02-29 | 2011-03-16 | 师进 | High-activity biological water-keeping slow release composite fertilizer and preparation method thereof |
| CN101905991A (en) * | 2009-06-08 | 2010-12-08 | 甘肃省农业科学院土壤肥料与节水农业研究所 | Long-acting slow-release potato special fertilizer and preparation method thereof |
| CN101717312A (en) * | 2009-12-08 | 2010-06-02 | 岳阳经济技术开发区华发有机肥料厂 | Biological-organic multielement fertilizer specially used for potato |
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Application publication date: 20110907 Assignee: Liaoning Hefu Agricultural Development Co. Ltd. Assignor: Chen Wenfu Contract record no.: 2014210000070 Denomination of invention: Carbon-based controlled-release fertilizer special for potato and preparation method thereof Granted publication date: 20130320 License type: Exclusive License Record date: 20140822 |
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Effective date of registration: 20151230 Address after: 114300, Xiuyan Manchu Autonomous County, Liaoning City, Anshan Province Ya River Industrial Park Patentee after: Liaoning Hefu agricultural Polytron Technologies Inc Address before: Dongling road in Shenhe District of Shenyang City, Liaoning Province, No. 120 110866 Patentee before: Chen Wenfu |
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