CN103030469A - Special slow release fertilizer used for asparagus and taking biomass carbon particles as substrate and preparation method of same special slow release fertilizer - Google Patents
Special slow release fertilizer used for asparagus and taking biomass carbon particles as substrate and preparation method of same special slow release fertilizer Download PDFInfo
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- CN103030469A CN103030469A CN2013100203054A CN201310020305A CN103030469A CN 103030469 A CN103030469 A CN 103030469A CN 2013100203054 A CN2013100203054 A CN 2013100203054A CN 201310020305 A CN201310020305 A CN 201310020305A CN 103030469 A CN103030469 A CN 103030469A
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Abstract
The invention discloses a special slow release fertilizer used for asparagus and taking biomass carbon particles as substrate and a preparation method of the special slow release fertilizer. Carbon particles prepared from corncob, peanut shells, rice husk, edible fungi substrate and other agricultural waste biomass are taken as the substrate material; a microporous property and strong adsorbability of the substrate material are utilized; the substrate material is compounded with nitrogen, phosphorus, kalium and other nutrient elements required for growth and development of asparagus so as to be made into granular biomass carbon slow release fertilizer special for asparagus. The biomass carbon particles used in the fertilizer are black biomass carbon particles formed after uncompleted combustion of agricultural waste biomass under the hypoxia condition, have various characteristics like soil humus, have very strong capabilities of adsorbing and keeping nutrient and water, can stimulate growth of crops, and have good performance in slow release of nitrogen, phosphorus and kalium. Therefore, after the prepared slow release fertilizer is used once, the requirements on nutrient of the whole growing period of asparagus can be met effectively, and the slow release fertilizer has the characteristics of increasing soil productivity, improving the soil structure, being efficient and environment-friendly and the like, and is favorable for large scale popularization and application in production of asparagus.
Description
Technical field
The invention belongs to the agricultural fertilizer production technical field, particularly a kind of asparagus take the biological particles charcoal as matrix is slow-release fertilizer dedicated and preparation method thereof.
Background technology
Asparagus is perennial contracting root crop, the good and bad yield and quality that directly affects asparagus of root system development, and the growth of root system is subject to the impact of soil physical and chemical property and nutrient supply.Because asparagus well developed root system, lateral extent can reach 120～300cm in soil, be difficult to again fertilizer and little fertilizer be applied deep layer after transplanting, improvement for the deep soil physicochemical character, complete in fertilising and farming before transplanting, thus asparagus storage root system focus mostly in the dark soil of distance ground 10～20cm, in fertilising, ridging and intertill root system easy damaged when loosening the soil, cause that the storage root quantity of formation is few, quality is poor, absorb, the function reduction such as synthetic and storage.Add that aborning many bamboo shoot farmings only pay attention to the input of nitrogen, phosphorus, potassium three elements, organic fertilizer application is on the low side or substantially do not use, cause the soil compaction air permeability poor, the Soil Microorganism activity decreased, had a strong impact on differentiation, formation and the growth of bulbil, cause tender stem sprout quantity few, grow that poor, inferior bamboo shoot are increased, cultivation benefit decline.
The method one that addresses these problems in fertilising at present is the consumption that increases fertilizer, the 2nd, change existing fertilising kind and mode.Along with the continuous expansion of planting asparagus 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 root regeneration of asparagus is indifferent, and the ditching fertilising can be cut off a large amount of root systems frequently, and impact is to the absorption of nutrient.Adopt the long-acting or slow special release fertilizer single fertilization of asparagus 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, compound with grow necessary nitrogen, phosphorus, potassium and other nutritive elements of asparagus, prepare slow-release fertilizer dedicated method and the application of particulate biomass charcoal base asparagus, can satisfy better the needs that asparagus produces.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of asparagus 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 asparagus take the biological particles charcoal as matrix is 26-32%; Described total nutrient refer to nitrogen (N) or/and available phosphorus (P2O5) or/and effective potassium (K2O), wherein nitrogenous (N) amount is 11-13%; Contain available phosphorus (P2O5) amount and be 6-8%; Contain effective potassium (K2O) amount and be 9-11%.
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 asparagus nutrient uptake feature, described asparagus 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, diammonium phosphate, calcium superphosphate, vitriolate of tartar, zinc sulfate and borax.
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base asparagus:
200-300 kg/tonne of biological particles carbon particle
Urea 200-230 kg/tonne
Diammonium phosphate 110-140 kg/tonne
Calcium superphosphate 60-100 kg/tonne
Vitriolate of tartar 180-220 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 calcium superphosphate contains P2O5:16%, 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 asparagus 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 asparagus take the biological particles charcoal as matrix slow-release fertilizer dedicated purposes, and it is used as disposable base fertilizer, and preferred amount of application is 150-180 kg/acre, applies in conjunction with banking up before adopting bamboo shoot spring.
High efficiency charcoal base asparagus 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 asparagus 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 asparagus produces.
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 asparagus 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, again to a certain extent slowly-releasing drought and water shortage impact that asparagus is grown and produces.
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.Asparagus is the fertile crop of happiness, the arable land nitrogen stress of China about 90%, and about 30% arable land lacks phosphorus, about 25% arable land potassium deficiency, and soil compaction worsens and ubiquitous fertilizer loss 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 asparagus 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 asparagus take the biological particles charcoal as matrix is 26-32%, meets organic-inorganic composite fertilizer national standard.Described total nutrient refers to nitrogen (N) and available phosphorus (P2O5).Wherein nitrogenous (N) amount is 11-13%; Contain available phosphorus (P2O5) amount and be 6-8%; Contain effective potassium (K2O) amount and be 9-11%.
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 asparagus nutrient uptake feature, the asparagus 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, diammonium phosphate, calcium superphosphate, vitriolate of tartar, zinc sulfate and borax.
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base asparagus:
200-300 kg/tonne of biological particles carbon particle
Urea 200-230 kg/tonne
Diammonium phosphate 110-140 kg/tonne
Calcium superphosphate 60-100 kg/tonne
Vitriolate of tartar 180-220 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 calcium superphosphate contains P2O5:16%, 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 asparagus.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 asparagus take the biological particles charcoal as matrix comprises various component mixing granulations, particle diameter 3. 35-5.0mm.
Asparagus take the biological particles charcoal as matrix provided by the invention is slow-release fertilizer dedicated, use simply, it is used as disposable base fertilizer, preferred amount of application is 150-180 kg/acre, before adopting bamboo shoot spring, apply in conjunction with banking up, use every year once and can satisfy annual needs.
Embodiment 1: the preparation technology that the asparagus 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 60.9%, 39.1% 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 28.01%.
(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 62.8%, 30. 8% and 6.4% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator; make nitrogenous (N) amount 11.30%, contain available phosphorus (P2O5) amount and be 28.89% compound nitrogen phosphate fertilizer.
(3) get that to contain available phosphorus (P2O5) amount be 16% calcium superphosphate, 80 purpose biological particles carbon particle and binding agents; ratio in 62.0%, 31. 9% 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 9.92% 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 62.7%, 25.1%, 6.0%, 3.1%, 3.1% is mixed; carry out the pressure granulation with KP-300 type organic fertilizer granulator, make potassium, zinc, the boron composite fertilizer of potassium content 31. 35%.
Further compound: the finished product of (1), (2), (3) and (4) in 35.3%, 19.9%, 12.9% and 31.9% 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 asparagus 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 asparagus take the biological particles charcoal as matrix is 26-32%; Described total nutrient refer to nitrogen (N) or/and available phosphorus (P2O5) or/and effective potassium (K2O), wherein nitrogenous (N) amount is 11-13%; Contain available phosphorus (P2O5) amount and be 6-8%; Contain effective potassium (K2O) amount and be 9-11%;
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 asparagus 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, diammonium phosphate, calcium superphosphate, vitriolate of tartar, zinc sulfate and borax;
Each component content is slow-release fertilizer dedicated to produce 1 ton of charcoal base asparagus:
200-300 kg/tonne of biological particles carbon particle
Urea 200-230 kg/tonne
Diammonium phosphate 110-140 kg/tonne
Calcium superphosphate 60-100 kg/tonne
Vitriolate of tartar 180-220 kg/tonne
Zinc sulfate 8-12 kg/tonne
Borax 8-12 kg/tonne.
3. a kind of asparagus 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 diammonium phosphate contains N 18%, P2O5 46%, described calcium superphosphate contains P2O5:16%, described vitriolate of tartar contains K2O 50%, and described zinc sulfate contains zinc 20%～23%, described borax boracic 11%.
4. a kind of asparagus 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, the copper sulfate.
5. a kind of asparagus 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 asparagus 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 asparagus take biological particles carbon as matrix of claim 1-6, it is characterized in that it is used as disposable base fertilizer, preferred amount of application is 150-180 kg/acre, applies in conjunction with banking up before adopting bamboo shoot spring.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420698A (en) * | 2013-07-18 | 2013-12-04 | 句容赤湖枫情农业生态园有限公司 | Chemical fertilizer for preventing phoma asparagi sacc and fertilizing method thereof |
| CN104341248A (en) * | 2014-10-16 | 2015-02-11 | 长兴天香芦笋专业合作社 | Organic/inorganic compound fertilizer for asparagus and preparation method thereof |
| CN104961533A (en) * | 2015-07-29 | 2015-10-07 | 武汉市天健农业发展有限公司 | Special organic fertilizer for asparagus and preparation method thereof |
| CN107311815A (en) * | 2017-07-28 | 2017-11-03 | 黔西南州林晨黔农业发展有限公司 | A kind of asparagus special fertilizer and preparation method thereof |
| US11124461B2 (en) | 2019-07-04 | 2021-09-21 | Incitec Pivot Limited | Fertilizer |
| CN115039663A (en) * | 2022-08-16 | 2022-09-13 | 中慧高芯技术(山东)有限公司 | Asparagus culture medium formula and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863287A (en) * | 2012-09-27 | 2013-01-09 | 上海孚祥生物科技有限公司 | Special banana slow-release fertilizer using biomass granular carbon as matrix and preparation method thereof |
-
2013
- 2013-01-21 CN CN2013100203054A patent/CN103030469A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863287A (en) * | 2012-09-27 | 2013-01-09 | 上海孚祥生物科技有限公司 | Special banana slow-release fertilizer using biomass granular carbon as matrix and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420698A (en) * | 2013-07-18 | 2013-12-04 | 句容赤湖枫情农业生态园有限公司 | Chemical fertilizer for preventing phoma asparagi sacc and fertilizing method thereof |
| CN104341248A (en) * | 2014-10-16 | 2015-02-11 | 长兴天香芦笋专业合作社 | Organic/inorganic compound fertilizer for asparagus and preparation method thereof |
| CN104961533A (en) * | 2015-07-29 | 2015-10-07 | 武汉市天健农业发展有限公司 | Special organic fertilizer for asparagus and preparation method thereof |
| CN107311815A (en) * | 2017-07-28 | 2017-11-03 | 黔西南州林晨黔农业发展有限公司 | A kind of asparagus special fertilizer and preparation method thereof |
| US11124461B2 (en) | 2019-07-04 | 2021-09-21 | Incitec Pivot Limited | Fertilizer |
| US11691929B2 (en) | 2019-07-04 | 2023-07-04 | Incitec Fertilizers Pty Limited | Fertiliser |
| CN115039663A (en) * | 2022-08-16 | 2022-09-13 | 中慧高芯技术(山东)有限公司 | Asparagus culture medium formula and preparation method thereof |
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Application publication date: 20130410 |