CN101987797A - Fertilizer special for potatoes and preparation method thereof - Google Patents
Fertilizer special for potatoes and preparation method thereof Download PDFInfo
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- CN101987797A CN101987797A CN2009101621450A CN200910162145A CN101987797A CN 101987797 A CN101987797 A CN 101987797A CN 2009101621450 A CN2009101621450 A CN 2009101621450A CN 200910162145 A CN200910162145 A CN 200910162145A CN 101987797 A CN101987797 A CN 101987797A
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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
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- 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
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Abstract
The invention discloses a fertilizer special for potatoes and a preparation method thereof. The special fertilizer comprises the following raw materials in part by weight: 10 to 11 parts of nitrogen, 6 to 7 parts of phosphorus, 7 to 8 parts of potassium and 1 to 2 parts of trace element fertilizer. The preparation method comprises the following steps of: blending the raw materials according to a proportion, crushing, and preparing the special fertilizer for the potatoes by using a re-granulation process. The fertilizer special for the potatoes can overcome the defects of unreasonable proportion of nutrient elements, low utilization rate of the fertilizer, low fertilizer efficiency and the like of the prior art so as to realize reasonable proportion of the nutrient elements, high utilization rate of the fertilizer, high fertilizer efficiency, low cost and environment friendliness.
Description
Technical field
The present invention relates to agriculture production composite fertilizer, particularly, relate to a kind of potato special fertilizer and preparation method thereof.
Background technology
Potato plant in a large number in Gansu Province, and cultivated area is steady-state growth trend year by year as long farm crop in a kind of sowing time.The whole province's potato planting area reached 8,300,000 mu in 2005,8,900,000 tons of ultimate productions, and year bright potato of sale is more than 3,000,000 tons, and the total area and ultimate production all are the first in the nation.For many years, because the special-purpose potato seed of high-quality potato kind, particularly detoxification is promoted in actively introduction, seed selection, promote whole potato and cheat efficient cultivation technique such as kind, the cultivation of ditch ridge, membrane covering, potato yield and quality are greatly improved, and have reached high yield, stable yields, fine target.
The most of regional soil in Gansu is formed by the loess parent material development, and Soil structure is loose, and soil layer is deep, and soil is rich in potassium, and weather is nice and cool, and day and night temperature is big, and rainfall heat distribution and potato tuber growth expanding stage are synchronous, are particularly suitable for growing of potato.The potato main producing region belongs to loess gully district in addition, and to the propagation of various disease and pests, natural buffer action is arranged, disease and pest takes place lighter.Industry and cities and towns " three wastes " discharging is lacked in the producing region, and applications of pesticide amount is little, and is very little to the pollution of soil, air, water, and the potato that produces is welcome by deeply the domestic and international market, and the development Potato Industry has clear superiority.
Gansu potato essential species is implanted in loessal soil, black fiber crops soil, cinnamon soil, the west of a river two nether regions and cultivates grey desert soil.Wherein, loessal soil is a kind of young soil that the loess matrix forms through directly cultivating, and specific heat is little, and the soil temperature luffing is big.Because the soil erosion is serious, thereby soil fertility level is low.Section pH7.5～8.5, silicon oxide 58～62%, aluminum oxide 12～13%, ferric oxide 4～5%, calcium oxide 6～8%, the SiO of clay fraction
2/ R
2O
32.7～2.85, soil organic matter content＜1%, total nitrogen content＜0.01%, phosphorus 0.12～0.2%, potassium 1.5～2.5%, unit weight is at 1.0～1.2g/cm
3, permeable speed＞0.5mm/min, field capacity 20～28% can hold effective water 400～500mm in 2 meters dark soil layers.Cinnamon soil mainly is distributed in the sky and water, Gansu, south of Gansu Province mountain region, and weather belongs to the warm temperate zone, half moistening semiarid type, 7～12 ℃ of year sammings, annual rainfall 550～700mm.It is obvious that the cinnamon soil section is grown level, and the clayization illuvium is arranged, and＜0.002mm clay can reach 25%, the cinnamon soil top layer contains organic matter 1.256%, pH7.75, full nitrogen 0.135%, full phosphorus 0.061%, full potassium 2.07%, quick-acting nitrogen 64.2mg/kg, rapid available phosphorus 6.55mg/kg, available potassium 166.7mg/kg, lime carbonate 7.567%, cation exchange capacity 13.426 milligramequivalents/100 gram soil, unit weight 1.504g/cm3, porosity 51.132%.The cinnamon soil thicker soil, the top layer quality is lighter, and the argillic horizon quality is sticking heavy, helps preserve moisture and fertility, and agricultural voltinism shape is good, natural fertility and economic fertility height.Black fiber crops soil is grown on the Malan loess matrix, and soil layer is deep, and is loose porous, is made up of tectum, black earth soil layer, lime illuvium, chorizon.The black average organic content 1.46% of numb native veneer of soil, full nitrogen 0.093%, full phosphorus 0.069%, full potassium 1.98%, alkali-hydrolyzable nitrogen 70.7mg/kg, rapid available phosphorus 14mg/kg, available potassium 192.7mg/kg, lime carbonate 11.7%, unit weight 1.24g/cm
3, porosity 50.9%, 11.4 milligramequivalents/100 gram soil are measured in replacement.
The potato normal growth is grown needs ten various nutrient elements, i.e. C, H, O, N, P, K, S, Ca, Mg, Fe, Cu, Mn, B, Zn, Mo, Cl etc.Except that C, H, O are by leaf photosynthesis, beyond getting from big G﹠W, other nutritive element mainly is to absorb from soil by root system.
Potato is to the demand of major fertilizer elements, and is maximum with potassium, and nitrogen takes second place, and phosphorus is minimum.According to test, every production 1000kg stem tuber needs absorbed nitrogen 5～6kg, phosphorus 2kg, potassium 8～10kg.Potato in the time of infertility, the seedling phase needs fertile accounting for to need about 25% of fertile total amount the time of infertility, and stem tuber is formed up to the stem tuber rise period and accounts for and need more than 50% of fertile total amount the time of infertility, and the starch accumulation phase accounts for and needs about 25% of fertile total amount the time of infertility.
At present, according to the potato fertilising investigation in more than 300 village of Zhuanglang, Weiyuan, the sky and water, south of Gansu Province, the average base of potato is executed purity nitrogen 5.3～10.5Kg/ mu, pure phosphorus 5.3～7.2Kg/ mu.Purity nitrogen 5.1～8.6Kg/ mu topdresses.The peasant household of investigation is application of potash fertilizer not substantially.The Fertilization Level of potato is not low, but potassium application not, fertilising is uneven.
, the at last relatively typical peasant household case of the rational application of fertilizer higher relatively in local Fertilization Level: Li Jiawan township farming family in Weiyuan branches off village Zhao Zhi Shujia, 881 kilograms/mu of potato mean yields, on average execute 9.8 kilograms/mu of purity nitrogens, 6.4 kilograms/mu in pure phosphorus, 1.1 kilograms/mu in pure potassium, amount to 21.3 kilograms/mu in urea, 40 kilograms/mu of general calcium, 2.2 kilograms/mu of vitriolate of tartar, N: P
2O
5: K
2O is 1: 0.65: 0.11.See that therefrom potash fertilizer used wretched insufficiency during potato produced, it is unreasonable to remain Fertilization Structure, and output is still very low.
Representative region case: investigated the Dongxiang nationality of long-pending tor Bonan and removed and draw 9 townshiies of autonomous county of family, 10 villages, 354 families.149.1 mu of cultivated areas.Investigation shows peasant household's application of potash fertilizer of 7.26%, and 14.59% peasant household has used potato special fertilizer, potato used special-purpose fertilizer ratio other do the many of object height.This shows that the peasant more is ready to use potato special fertilizer.
In realizing process of the present invention, the contriver finds that there is following defective at least in potato special fertilizer of the prior art:
(1) the nutritive element proportioning is unreasonable: N in the potato special fertilizer, P ratio are higher, lack the K element and in trace element;
(2) utilization rate of fertilizer is low: because the nutritive element proportioning is unreasonable in the existing potato special fertilizer, in order to promote potato to grow better, people adopt the method that strengthens rate of fertilizer application usually, but can be still limited by the nutritive element that potato absorbs in the fertilizer;
(3) fertilizer efficiency is low: because the nutritive element proportioning is unreasonable in the existing potato special fertilizer, utilization rate of fertilizer is low, thereby influences fertilizer efficiency.
Summary of the invention
The objective of the invention is defective at the nutritive element proportioning is unreasonable in the prior art, utilization rate of fertilizer is low and fertilizer efficiency is low, a kind of potato special fertilizer is proposed, with realize nutritive element reasonable ratio, utilization rate of fertilizer height, fertilizer efficiency height, cost is low and environmental pollution is little.
Another object of the present invention is the defective at the nutritive element proportioning is unreasonable in the prior art, utilization rate of fertilizer is low and fertilizer efficiency is low, a kind of preparation method of potato special fertilizer is proposed, with realize nutritive element reasonable ratio, utilization rate of fertilizer height, fertilizer efficiency height, cost is low and environmental pollution is little.
For achieving the above object, according to an aspect of the present invention, provide a kind of potato special fertilizer.
According to the potato special fertilizer of the embodiment of the invention, described special-purpose fertile raw material and weight percent comprise: nitrogen 10-11 part; The plain 6-7 part of phosphorus; The plain 7-8 part of potassium; Little fertile 1-2 part.
The above nitrogen comprises urea or sulphur ammonium.
The above phosphorus element comprises phosphorus two ammoniums.
The above potassium element comprises vitriolate of tartar.
The above little fertilizer comprises ammonium molybdate, borax, manganous sulfate and zinc sulfate.
Wherein, the weight proportion of described ammonium molybdate, borax, manganous sulfate and zinc sulfate is: ammonium molybdate: borax: manganous sulfate: zinc sulfate=4: 2: 1: 1.
For achieving the above object, according to another aspect of the present invention, provide a kind of preparation method of potato special fertilizer.
According to the preparation method of the potato special fertilizer of the embodiment of the invention, according to above-described raw material and proportioning, each raw material by proportioning mixing, pulverizing, is used comminution granulation again, make described potato special fertilizer.
The above potato special fertilizer can be BB fertilizer.
Potato special fertilizer of various embodiments of the present invention and preparation method thereof with nitrogen, phosphorus element, potassium element and little fertilizer, through mixing, pulverizing, uses comminution granulation again, makes potato special fertilizer; This special use fertilizer comprises nitrogen, phosphorus element, the potassium element of scientific formula and can promote little fertilizer of potato growth, can satisfy fully that potato raw is long-living grows nutritional need in the process, help improving potato yield, improve the potato quality, thereby can overcome the defective that the nutritive element proportioning is unreasonable in the prior art, utilization rate of fertilizer is low and fertilizer efficiency is low, to realize nutritive element reasonable ratio, utilization rate of fertilizer height and fertilizer efficiency height, can not only reduce the environmental pollution that causes because of excessive fertilization but also reduce cost.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification sheets, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification sheets of being write and claims.
Below by preferred embodiment, technical scheme of the present invention is described in further detail.
Embodiment
Below in conjunction with specific embodiment the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Basic thought of the present invention is: with nitrogen, phosphorus element, potassium element and mixing, the pulverizing in proportion of little fertilizer, use comminution granulation again, make potato special fertilizer of the present invention; Concrete, the parts by weight of nitrogen are 10-11 part, and the parts by weight of phosphorus element are 6-7 part, and the parts by weight of potassium element are 7-8 part, and the parts by weight of little fertilizer are 1-2 part.
Embodiment one
The potato special fertilizer of present embodiment comprises nitrogen, phosphorus element, potassium element and little fertilizer.Wherein, the parts by weight of nitrogen are 10 parts, and the parts by weight that contain the phosphorus element of Vanadium Pentoxide in FLAKES are 7 parts, and the parts by weight that contain the potassium element of potassium oxide are 7.5 parts, and the parts by weight of little fertilizer are 1 part.Wherein, nitrogen can be a urea, and the phosphorus element can be phosphorus two ammoniums, and the potassium element can be a vitriolate of tartar.
In the present embodiment, little fertilizer can comprise ammonium molybdate, borax, manganous sulfate and zinc sulfate, and its weight proportion can be ammonium molybdate: borax: manganous sulfate: zinc sulfate=4: 2: 1: 1.
The potato special fertilizer of present embodiment, once base is executed.Use conveniently, can save labour cost.Field experiment shows that once base is executed the potato special fertilizer 100kg of various embodiments of the present invention, and the per mu yield of water ground can reach 2500kg; Once base is executed 50kg, and the nonirrigated farmland per mu yield can reach 2000kg.
In addition, the potato special fertilizer of present embodiment, the nutritive element reasonable ratio can significantly improve the quality of potato.Field experiment shows, uses this potato special fertilizer, can make the starch content of potato increase 7.8-10.2%, and vitamins C (is V
C) content increase 8-12.6%.
Potato special fertilizer test of many times under the geographic different ecological condition of Gansu Province's high-quality potato planting with present embodiment, mu is used potato special fertilizer 60kg and is amounted to nutrient 18kg, produce more than the potato average yield per mu 2000kg, contrast more than the habits fertilization volume increase 16.0-52.0%; Mu increases the output value more than 100 yuan.
Embodiment two
In the present embodiment, different with the foregoing description is, each proportion of raw materials is in the potato special fertilizer of present embodiment: the parts by weight of nitrogen are 10 parts, the parts by weight that contain the phosphorus element of Vanadium Pentoxide in FLAKES are 7 parts, the parts by weight that contain the potassium element of potassium oxide are 7.5 parts, and the parts by weight of little fertilizer are 1.5 parts; Wherein, the raw material of little fertilizer and weight proportion are: ammonium molybdate: borax: manganous sulfate: zinc sulfate=4: 2: 1: 1.
In the present embodiment, nitrogen can be the sulphur ammonium, and the phosphorus element can be phosphorus two ammoniums, and the potassium element can be a vitriolate of tartar.
The potato special fertilizer of present embodiment is rendered to Dingxi, Lintao, Weiyuan, Zhuanglang and political affairs, folk music, the area, Liangzhou in Gansu Province and carried out the multiple spot test, use potato special fertilizer average yield per mu 2130kg, contrast average yield per mu 1676kg, volume increase 454kg, stimulation ratio is 21.3%.In high-quality potato planting area, all obtained good effect, be embodied in: potato grows fine, the potato piece is big and many, uses the product that potato quality that potato special fertilizer produces obviously is better than using common fertilizer; And the starch content in the potato increases 7.8-10.2%, and Vc content increases 3.8-22.6%.
As seen, the potato special fertilizer of present embodiment is fit to Gansu different soils loessal soil, the black fiber crops soil of cold and damp, the black fiber crops soil of the eastern arid and semi-arid in Gansu Province.
The potato special fertilizer of present embodiment, nutrient is complete, prescription is reasonable, and once base is executed, can reduce environmental pollution, and the potassium cellulose content is very high, the phosphorus cellulose content is relatively low, be fit in the potato raw growth process nutritive element drawn utilization rate of fertilizer height, fertilizer efficiency height.Show that by the multiple spot test use the potato special fertilizer of present embodiment, potato mu stimulation ratio can reach 25.3%, the mu abridged edition increases income and can reach 136 yuan.
Embodiment three
In the present embodiment, different with the foregoing description is, each proportion of raw materials is in the potato special fertilizer of present embodiment: the parts by weight of nitrogen are 11 parts, the parts by weight that contain the phosphorus element of Vanadium Pentoxide in FLAKES are 6.5 parts, the parts by weight that contain the potassium element of potassium oxide are 8 parts, and the parts by weight of little fertilizer are 2 parts; Wherein, the raw material of little fertilizer and weight proportion are: ammonium molybdate: borax: manganous sulfate: zinc sulfate=4: 2: 1: 1.
In the present embodiment, nitrogen can be urea or sulphur ammonium, and the phosphorus element can be phosphorus two ammoniums, and the potassium element can be a vitriolate of tartar.
With mixing, the pulverizing in proportion of the raw material in the various embodiments described above, use agglomeration technique again, make the potato special fertilizer of each embodiment.
In the various embodiments described above, also potato special fertilizer can be made BB fertilizer, and the quality product of fertilizer and intensity all can meet national standard (GB15063-2001).
In the various embodiments described above, can be according to the profit and loss situation and the yield level of various nutrients in different areas different soils type and the soil, the trace element that nitrogen, phosphorus, potassium and other can be promoted the potato growth is scientific formula in addition, thereby accomplishes autotelic fertilising; The potato special fertilizer of present embodiment, have complete, the rational characteristics of filling a prescription of nutrient, can satisfy fully that potato raw is long-living grows nutritional need in the process, strengthen the resistance of plant, to improve potato yield, to improve the potato quality, not only reduce the environmental pollution that causes because of excessive fertilization but also reduce cost, thereby reach high yield, stable yields, fine purpose.
Respectively execute in the example above-mentioned, nitrogen can be provided by urea and/or sulphur ammonium, guaranteeing the balance supply of potato nitrogen in process of growth, and can reduce the residual of stone nitric nitrogen in the soil; The phosphorus element can be provided by the phosphorus diamines, and phosphorus diamines nutrient content is stable, and effectiveness is slow, ample supply of commodities on the market, and the unit nutrient low price is adapted at using in the potato soil, and is more effective than normal superphosphate; The potassium element can be provided by vitriolate of tartar.
In the various embodiments described above, the content of the potassium element of potato special fertilizer is higher than the content of commercially available potato fertilizer far away.The content of potassium element is the key that improves the yield and quality in this prescription of determining according to the test-results of continuous fertile characteristic of potato and balance fertilizing.For avoiding occurring the trace element deficiency shape in the potato growth and development process, in special-purpose fertilizer, in special-purpose fertilizer, added micro-composition according to micronutrient levels in the soil, replenish trace element in the soil, satisfy potato growth demand.
In sum, various embodiments of the present invention can be with nitrogen, phosphorus element, potassium plain and little fertilizer proportioning in proportion, through mixing, pulverizing, use comminution granulation again, make potato special fertilizer; This special use fertilizer comprises nitrogen, phosphorus element, the potassium element of scientific formula and can promote little fertilizer of potato growth, can satisfy fully that potato raw is long-living grows nutritional need in the process, help improving potato yield, improve the potato quality, thereby can overcome the defective that the nutritive element proportioning is unreasonable in the prior art, utilization rate of fertilizer is low and fertilizer efficiency is low, to realize nutritive element reasonable ratio, utilization rate of fertilizer height and fertilizer efficiency height, can not only reduce the environmental pollution that causes because of excessive fertilization but also reduce cost.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a potato special fertilizer is characterized in that, described special-purpose fertile raw material and weight percent comprise:
Nitrogen: 10-11 part;
Phosphorus element: 6-7 part;
Potassium element: 7-8 part;
Little fertilizer: 1-2 part.
2. potato special fertilizer according to claim 1 is characterized in that, described nitrogen comprises urea or sulphur ammonium.
3. potato special fertilizer according to claim 1 is characterized in that, described phosphorus element comprises phosphorus two ammoniums.
4. potato special fertilizer according to claim 1 is characterized in that, described potassium element comprises vitriolate of tartar.
5. potato special fertilizer according to claim 1 is characterized in that, described little fertilizer comprises ammonium molybdate, borax, manganous sulfate and zinc sulfate.
6. potato special fertilizer according to claim 5 is characterized in that, the weight proportion of described ammonium molybdate, borax, manganous sulfate and zinc sulfate is:
Ammonium molybdate: borax: manganous sulfate: zinc sulfate=4: 2: 1: 1.
7. the preparation method of a potato special fertilizer is characterized in that, according to each described raw material and proportioning among the claim 1-6, each raw material by proportioning mixing, pulverizing, is used comminution granulation again, makes described potato special fertilizer.
8. the preparation method of potato special fertilizer according to claim 7 is characterized in that, described potato special fertilizer is a BB fertilizer.
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| CN2009101621450A CN101987797A (en) | 2009-08-05 | 2009-08-05 | Fertilizer special for potatoes and preparation method thereof |
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| CN2009101621450A CN101987797A (en) | 2009-08-05 | 2009-08-05 | Fertilizer special for potatoes and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102976813A (en) * | 2012-11-06 | 2013-03-20 | 陈卫文 | Compound fertilizer applicable to potato planting of low-medium fertility area |
| CN102976814A (en) * | 2012-11-06 | 2013-03-20 | 陈卫文 | Compound fertilizer applicable to potato planting of high fertility area |
| CN103708888A (en) * | 2013-12-23 | 2014-04-09 | 甘肃云兰磷复肥有限责任公司 | Special Lanzhou plateau potato fertilizer and preparation method thereof |
| CN104341238A (en) * | 2014-07-30 | 2015-02-11 | 青岛嘉禾丰肥业有限公司 | Special multilayer coated insect and bacteria killing fertilizer for potatoes |
| WO2015058468A1 (en) * | 2013-10-22 | 2015-04-30 | 中国科学院微生物研究所 | Sustained-release/controlled-release fertilizer |
| CN107162742A (en) * | 2017-06-07 | 2017-09-15 | 安徽丰絮农业科技股份有限公司 | A kind of micro- fertile mixed liquor of potato greenhouse cultivation |
| CN113004071A (en) * | 2019-12-20 | 2021-06-22 | 北京天地菁华农业科技有限公司 | Balanced nutrition fertilizer for potatoes |
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| CN1188754A (en) * | 1997-01-24 | 1998-07-29 | 边云卿 | Compound mixed fertilizer and preparation method thereof |
| CN1255468A (en) * | 1998-11-27 | 2000-06-07 | 中国科学院新疆生态与地理研究所 | Long-acting special compound (mixed) fertilizer |
| CN101177366A (en) * | 2007-11-05 | 2008-05-14 | 山东金正大生态工程股份有限公司 | Special controlled release fertilizer for sulfur, resin film coated potato and manufacturing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188754A (en) * | 1997-01-24 | 1998-07-29 | 边云卿 | Compound mixed fertilizer and preparation method thereof |
| CN1255468A (en) * | 1998-11-27 | 2000-06-07 | 中国科学院新疆生态与地理研究所 | Long-acting special compound (mixed) fertilizer |
| CN101177366A (en) * | 2007-11-05 | 2008-05-14 | 山东金正大生态工程股份有限公司 | Special controlled release fertilizer for sulfur, resin film coated potato and manufacturing method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102976813A (en) * | 2012-11-06 | 2013-03-20 | 陈卫文 | Compound fertilizer applicable to potato planting of low-medium fertility area |
| CN102976814A (en) * | 2012-11-06 | 2013-03-20 | 陈卫文 | Compound fertilizer applicable to potato planting of high fertility area |
| WO2015058468A1 (en) * | 2013-10-22 | 2015-04-30 | 中国科学院微生物研究所 | Sustained-release/controlled-release fertilizer |
| CN103708888A (en) * | 2013-12-23 | 2014-04-09 | 甘肃云兰磷复肥有限责任公司 | Special Lanzhou plateau potato fertilizer and preparation method thereof |
| CN104341238A (en) * | 2014-07-30 | 2015-02-11 | 青岛嘉禾丰肥业有限公司 | Special multilayer coated insect and bacteria killing fertilizer for potatoes |
| CN107162742A (en) * | 2017-06-07 | 2017-09-15 | 安徽丰絮农业科技股份有限公司 | A kind of micro- fertile mixed liquor of potato greenhouse cultivation |
| CN113004071A (en) * | 2019-12-20 | 2021-06-22 | 北京天地菁华农业科技有限公司 | Balanced nutrition fertilizer for potatoes |
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Application publication date: 20110323 |