CN100383092C - Highly effective multielement compound foliage fertilizer and production method thereof - Google Patents
Highly effective multielement compound foliage fertilizer and production method thereof Download PDFInfo
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Abstract
The present invention relates to high efficiency multielement compound foliar fertilizer, which is liquid prepared by mixing elements of the following proportion by weight: 1.0 to 15.0% of organic fertilizer, 1.0 to 10.0% of mineral fertilizer, 1.0 to 5.0% of plant growth regulator, 0.3 to 5.0% of surfactant, 1.5 to 8.0% of mineral dissolved water and 57.0 to 95.2% of aqueous solvent. The present invention has multiple properties of foliar fertilizer of humic acid class, microelement class, plant growth regulator class, etc. The present invention contains multiple nutrient elements and can be sprayed and used for immersing seeds; the present invention has good functions of wetting, permeation and spread and is easy to absorb by plants; under the precondition of ensuring the increase of crop yield, the present invention reduces the loss of the foliar fertilizer and can save fertilizer and lower production cost. The present invention is suitable for multiple crops and can increase about 10 to 40% of yield of crops such as cucumbers, tomatoes, spring snap beans, eggplants, Chinese cabbages, fresh ginger, rice, etc., and enhances product quality.
Description
(1) technical field
The present invention relates to a kind of plant-foliage fertilizer and production method.
(2) background technology
Existing leaf leaven mainly contains all polymorphic types such as amino acid, trace element, humic acids, plant lactone, hormone, Seaweed Extract.In order to improve the performance of product, some compound product innovations are successively developed out, but the ubiquity foliage fertilizer not fully is not fully utilized by plant absorbing, effective ingredient and production cost than problems such as height.
The speed height of the speed of Foliage Absorption nutrition than the rhizosphere absorption, instant effect are passed through in existing evidence, plant.But often there is the very strong stratum corneum of one deck hydrophobicity on many crop bases of leaf surface, and nutritive substance only passes the leaf epidermal cell below the stratum corneum, enters mesophyll cell and just can play trophism.The pore of the upper and lower surface of blade is blade interior and extraneous channel of linking up.But the surface tension of water is very big, and the diameter of pore is very little, and the fertilizer liquid that sprays application on the blade surface forms a moisture film on pore, can't flow into blade interior.Recent studies shows, this microtexture of matter ectodesmata that sprays application to fertilizer solution on the blade surface and generally be by blade cell arrives blade interior to absorption of nutrient ingredients, but absorption rate is slow in this process, and solution runs off many, not only cause waste, also reduced fertilization effect.
(3) summary of the invention
The purpose of this invention is to provide a kind of composite fertilizer of multi-elements used on plant leaves and production method, solve foliage fertilizer run off many, be not easy the technical problem fully higher, that fertilizer efficiency is lower by plant absorbing and production cost.
The technical scheme of composite fertilizer of multi-elements used on plant leaves of the present invention: it is characterized in that: it is the liquid that is mixed and made into by following mixing ratio by weight:
Organic fertilizer: 1.0-15.0%,
Mineral manure: 1.0-10.0%,
Plant-growth regulator: 1.0-5.0%,
Tensio-active agent: 0.3-5.0%,
Mineral-dissolving water: 1.5-8.0%,
Water solvent: 57.0-95.2%.
Above-mentioned organic fertilizer is Sodium salts humic acids or xanthohumic acid.
Above-mentioned mineral manure is at least a in urea, potassium primary phosphate, borax, boric acid, copper sulfate, ferrous sulfate, Sodium orthomolybdate, ammonium molybdate, manganous sulfate, the zinc sulfate.
Above-mentioned plant-growth regulator is at least a in sodium onitrophenol, Sodium p-nitrophenoxide, 5-nitro hydroxyanisole sodium, the gibberic acid 0.
Above-mentioned tensio-active agent is at least a in sodium lauryl sulphate, polyoxyethylene glycol-6000, polyvinyl alcohol, the tween 80.
Above-mentioned water solvent is at least a in tap water and the softening water.
This composite fertilizer of multi-elements used on plant leaves is characterized in that: it can be the liquid that is mixed and made into by following mixing ratio by weight:
Sodium salts humic acids: 8.0%
The mineral manure total amount: 6.0% wherein: urea 3.0%
Potassium primary phosphate 1.70%
Borax 0.30%
Ferrous sulfate 0.45%
Zinc sulfate 0.20%
Manganous sulfate 0.15%
Copper sulfate 0.20%
The plant-growth regulator total amount: 2.0% wherein: Sodium p-nitrophenoxide 1.40%
Sodium onitrophenol 0.60%
Tensio-active agent: sodium lauryl sulphate 0.60%
Mineral-dissolving water: 5.0%
Softening water: 78.4%.
This composite fertilizer of multi-elements used on plant leaves is characterized in that: it also can be the liquid that is mixed and made into by following mixing ratio by weight:
Sodium salts humic acids: 10.0%
The mineral manure total amount: 8.0% wherein: urea 4.0%
Potassium primary phosphate 1.80%
Borax 0.30%
Ferrous sulfate 0.70%
Zinc sulfate 0.60%
Manganous sulfate 0.20%
Copper sulfate 0.40%
The plant-growth regulator total amount: 3.50% wherein: Sodium p-nitrophenoxide 1.70%
Sodium onitrophenol 1.50%
5-nitro hydroxyanisole sodium 0.30%
Tensio-active agent: polyoxyethylene glycol-6,000 1.0%
Mineral-dissolving water: 3.0%
Softening water: 74.5%.
This highly effective multielement compound foliage fertilizer is characterized in that: it can also be the liquid that is mixed and made into by following mixing ratio by weight:
Sodium salts humic acids: 6.0%
The mineral manure total amount: 10.0% wherein: urea 5.0%
Potassium primary phosphate 2.10%
Borax 0.50%
Ferrous sulfate 0.70%
Zinc sulfate 0.80%
Manganous sulfate 0.30%
Copper sulfate 0.50%
Sodium orthomolybdate 0.10%
The plant-growth regulator total amount: 1.60% wherein: Sodium p-nitrophenoxide 0.90%
Sodium onitrophenol 0.40%
Gibberic acid 0.30%
Tensio-active agent: polyvinyl alcohol 1.0%
Mineral-dissolving water: 2.0%
Softening water: 79.4%.
The production method of this highly effective multielement compound foliage fertilizer is characterized in that following steps are arranged:
A, prepare following four kinds of aqueous solution respectively:
(1), the organic fertilizer aqueous solution: take by weighing Sodium salts humic acids or xanthohumic acid by proportional quantity, slowly add in the 50-60 ℃ of hot water solvent after it is ground, the limit edged stirs, and it is stand-by to treat to filter out impurities after it all dissolves;
(2), the mineral manure aqueous solution: take by weighing at least a of urea, potassium primary phosphate, borax, boric acid, copper sulfate, ferrous sulfate, Sodium orthomolybdate, ammonium molybdate, manganous sulfate, zinc sulfate by proportional quantity, slowly add in the water solvent, the limit edged stirs, and it is stand-by to make it all be dissolved into homogeneous phase aqueous solution;
(3), the plant-growth regulator aqueous solution: take by weighing at least a of sodium onitrophenol, Sodium p-nitrophenoxide, 5-nitro hydroxyanisole sodium, gibberic acid by proportional quantity, add in the water solvent, be heated to 50-60 ℃, stirring and dissolving, it is stand-by to make homogeneous phase solution;
(4), water phase surfactant mixture: take by weighing at least a of sodium lauryl sulphate, polyoxyethylene glycol-6000, polyvinyl alcohol, tween 80 by proportional quantity, add in the water solvent, abundant stirring and dissolving under 50-60 ℃ of temperature, it is stand-by to make homogeneous phase solution;
B, will stir, press proportional quantity adding mineral-dissolving water and surplus water solvent again, stir and promptly make highly effective multielement compound foliage fertilizer by four kinds of stand-by aqueous solution of above-mentioned (1), (2), (3), (4) step preparation.
Beneficial effect: the present invention has improved the prescription and the production technique of foliage fertilizer, organic fertilizer is selected Sodium salts humic acids or xanthohumic acid, this component is soluble in water, there is very strong stimulation in functional groups such as interior phenolic hydroxy group and carboxyl, quinonyl to plant-growth, can promote growing of crop, improve quality, reduce shedding, premature ripening, the ability of enhancing crop drought resistance, disease resistance.Especially be suitable for various crop foliage-sprays, reach the effect of increasing both production and income.
Mineral manure selects to contain the material of trace elements such as nitrogen (N), phosphorus (P), potassium (K) element and iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), boron (B), for example urea, potassium primary phosphate, borax or boric acid, copper sulfate, ferrous sulfate, Sodium orthomolybdate or ammonium molybdate, manganous sulfate, zinc sulfate is at least a, can provide and replenish essential nutritive element for crop.
Plant-growth regulator is selected at least a of sodium onitrophenol, Sodium p-nitrophenoxide, 5-nitro hydroxyanisole sodium, gibberic acid.They are plant-growth regulator of a class low toxicity, the energy rapid permeability is in plant materials, to promote cellular plasm to flow, each etap such as plant rooting, growth, reproduction, result all had promote and regulating effect, can promote growth and development of plants, early flowering, prevent fallen flowers, shedding, the improvement crop quality.
In the prescription of foliage fertilizer, used tensio-active agent as wetting agent, permeate agent and spreader-sticker, tensio-active agent is selected at least a of sodium lauryl sulphate, polyoxyethylene glycol-6000, polyvinyl alcohol, tween 80, these tensio-active agents are soluble in water, and stabilized aqueous solution; With the each component of above-mentioned foliage fertilizer composite after, can obviously reduce the interfacial tension of fertilizer drop and crop surface, changed the contact angle of drop on blade surface, thereby increase wettability, perviousness and the spreadability of fertilizer solution on crop surface, reduced the solution loss, increased fertilizer utilization ratio, make fertilizer solution easier attached to crop surface, enter blade interior by pore fast, improve fertilizer efficiency, reduce cost.The tensio-active agent that the present invention adopts is difficult for forming foam when spraying, and the fertilizer efficiency of foliar nutrient is given full play to.
This mineral-dissolving water can enter in the plant materials effectively directly by the surface of plant stem-leaf and Gen Mao, as the inferior catalytic center of the bottommost layer of biopolymer process of growth, promote cell proliferation and photosynthesis, strengthen fertilizer efficiency, improve the plant nutrition composition, increase output; Because mineral-dissolving water can produce hydroxyl free radical, have the ability of killing pathogenic bacteria and earworm again, can improve the ability of the disease and insect resistance of crop; In addition, containing the relevant trace element with plant of kind more than 20 in the mineral-dissolving water, can improve quality, is a kind of mineral-dissolving water with comprehensive function.
Water solvent selects softening water or tap water to be easy to get, and cost is low, can dissolve above-mentioned composition effectively.
Show that through many places, ground tryouts such as Shandong, Beijing this foliage fertilizer is applicable to that multiple kinds of crops uses, and can make about crop yield 10-40% such as cucumber, tomato, sping pole bean, eggplant, Chinese cabbage, ginger, paddy rice, and improve the quality of product.
Table 1 has been listed the test-results of several crop applying highly effective multielement compound foliage fertilizers.
The test-results of table 1. highly effective multielement compound foliage fertilizer
| The crop title | Planting patterns | Application process | Stimulation ratio (%) | Area on probation | Remarks |
| Cucumber | The spring booth | 1500 times of liquid, every spray in 10 days once | 20.6 | Tongzhou, Beijing | The directly few deformity of sugar-preserved gourd |
| Tomato | The spring open country | 6000 times of liquid, flowering period, the mat woven of fine bamboo strips one fringe fruit back, each spray of two tassel blossom phases of the mat woven of fine bamboo strips are once | 40.5 | Chaoyang, Beijing | |
| Eggplant | ″ | 6000 times of liquid are behind the slow seedling, behind the door nightshade, to behind the nightshade, respectively spray complete stool one time | 27.4 | Chaoyang, Beijing | |
| Sping pole bean | Open country | 3000 times of liquid, the mat woven of fine bamboo strips one flower, the mat woven of fine bamboo strips two flowers, the mat woven of fine bamboo strips three flowers respectively spray complete stool one time | 16.6 | Chaoyang, Beijing | Gather in the crops ahead of time |
| Chinese cabbage 106 | Open country | 6000 times of liquid, rosette state, balling initial stage, balling each spray in mid-term are once | 37.4 | Chaoyang, Beijing | The well-balanced bag heart of size is good |
| New No. 1 of Chinese cabbage | Open country | 6000 times of liquid, rosette state, balling initial stage, balling each spray in mid-term are once | 38.8 | Chaoyang, Beijing | The well-balanced bag heart of size is good |
| Ginger | Open country | 6000 times of liquid, before and after the beginning of autumn, each spray of early or mid September once | 12.6 | Jinan, Shandong | Protection effect is arranged |
| Paddy rice | The paddy field | 6000 times of liquid were soaked seed 12 hours | 10.4 | Changping, Beijing |
Highly effective multielement compound foliage fertilizer of the present invention has foliage fertilizer multifrequency natures such as humic-acid kind, microelement kind, plant-growth regulator class concurrently.Contain various nutrient elements; Not only can spray but also can soak seed; Have good wet, infiltration, opening up function, absorbed by plant easily, increase under the prerequisite of crop yield guaranteeing, reduced the foliar nutrient loss, reduced production cost.
(4) description of drawings
Fig. 1 is the schema of production method of the present invention.
(5) embodiment
Highly effective multielement compound foliage fertilizer of the present invention is the liquid that is mixed and made into by following mixing ratio by weight;
Organic fertilizer: 1.0-15.0%,
Mineral manure: 1.0-10.0%,
Plant-growth regulator: 1.0-5.0%,
Tensio-active agent: 0.3-5.0%,
Organic fertilizer is Sodium salts humic acids or xanthohumic acid, and is soluble in water, functional groups such as interior phenolic hydroxy group and carboxyl, quinonyl.
Mineral manure is a trace element such as nitrogen (N), phosphorus (P), potassium (K) element and iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), boron (B), and they can be at least a of urea, potassium primary phosphate, borax or boric acid, copper sulfate, ferrous sulfate, Sodium orthomolybdate or ammonium molybdate, manganous sulfate, zinc sulfate.
Plant-growth regulator is at least a of sodium onitrophenol, Sodium p-nitrophenoxide, 5-nitro hydroxyanisole sodium, gibberic acid.
Tensio-active agent is at least a of sodium lauryl sulphate, polyoxyethylene glycol-6000, polyvinyl alcohol, tween 80.
Mineral-dissolving water for example can be selected existing commercial goods: " the linear condensed state mineral-dissolving water (patent No.: ZL97103958.5, ZL001214568.X) ".
Water is softening water or tap water.
The production method of highly effective multielement compound foliage fertilizer of the present invention:
The preparation fertilizer aqueous solution: take by weighing Sodium salts humic acids or xanthohumic acid by proportional quantity, slowly add in the 50-60 ℃ of hot water after it is ground essence, water consumption should be not more than 1/2 water solvent total amount, and the limit edged stirs, and it is stand-by to treat that it all filters out impurities after the dissolving.
The preparation mineral manure aqueous solution: take by weighing nitrogen, phosphorus, potassium and trace element by proportional quantity, slowly add successively in the entry, water consumption should be not more than 1/4 water solvent total amount, and the limit edged stirs, and it is stand-by to make it all be dissolved into homogeneous phase aqueous solution.
The preparation plant-growth regulator aqueous solution: take by weighing plant-growth regulator by proportional quantity, add in the entry, be heated to stirring and dissolving under the 50-60 ℃ of temperature, it is stand-by to make homogeneous phase solution.Water consumption should be not more than 1/8 water solvent total amount,
The preparation water phase surfactant mixture: take by weighing tensio-active agent (the solid state material should grind essence) by proportional quantity, add in the entry, abundant stirring and dissolving under 50-60 ℃ of temperature, it is stand-by to make homogeneous phase solution; Water consumption should be not more than 1/8 water solvent total amount.
Preparation highly effective multielement compound foliage fertilizer: will press proportional quantity adding mineral-dissolving water and remaining aqueous solution again by 4 kinds of stand-by solution of above-mentioned 1,2,3,4 methods preparation mixing and stirring successively, and stir and promptly make highly effective multielement compound foliage fertilizer.
Embodiment 1: highly effective multielement compound foliage fertilizer weight proportion (%):
Sodium salts humic acids 8.0
Mineral manure total amount 6.0
Wherein: urea 3.0
Potassium primary phosphate 1.70
Borax 0.30
Ferrous sulfate 0.45
Zinc sulfate 0.20
Manganous sulfate 0.15
Copper sulfate 0.20
Plant-growth regulator total amount 2.0
Wherein: Sodium p-nitrophenoxide 1.40
Sodium onitrophenol 0.60
Sodium lauryl sulphate 0.60
Mineral-dissolving water 5.0
Softening water 78.4.
Embodiment 2: highly effective multielement compound foliage fertilizer weight proportion (%):
Sodium salts humic acids 10.0
Mineral manure total amount 8.0
Wherein: urea 4.0
Potassium primary phosphate 1.80
Borax 0.30
Ferrous sulfate 0.70
Zinc sulfate 0.60
Manganous sulfate 0.20
Copper sulfate 0.40
Plant-growth regulator total amount 3.50
Wherein: Sodium p-nitrophenoxide 1.70
Sodium onitrophenol 1.50
5-nitro hydroxyanisole sodium 0.30
Polyoxyethylene glycol-6,000 1.0
Mineral-dissolving water 3.0
Softening water 74.5.
Embodiment 3: highly effective multielement compound foliage fertilizer weight proportion (%):
Sodium salts humic acids 6.0
Mineral manure total amount 10.0
Wherein: urea 5.0
Potassium primary phosphate 2.10
Borax 0.50
Ferrous sulfate 0.70
Zinc sulfate 0.80
Manganous sulfate 0.30
Copper sulfate 0.50
Sodium orthomolybdate 0.10
Plant-growth regulator total amount 1.60
Wherein: Sodium p-nitrophenoxide 0.90
Sodium onitrophenol 0.40
Gibberic acid 0.30
Polyvinyl alcohol 1.0
Mineral-dissolving water 2.0
Softening water 79.4.
The highly effective multielement compound foliage fertilizer that makes by the foregoing description 1-3 method is a kind of concentrated liquid, should need dilute with water by Different Crop before using.Usually carry out foliage-spray after will diluting 1500-6000 times.
Claims (7)
1. composite fertilizer of multi-elements used on plant leaves, it is characterized in that: it is the liquid that is mixed and made into by following mixing ratio by weight:
Organic fertilizer: 1.0-15.0%,
Mineral manure: 1.0-10.0%,
Plant-growth regulator: 1.0-5.0%,
Tensio-active agent: 0.3-5.0%,
Mineral-dissolving water: 1.5-8.0%,
Water solvent: 57.0-95.2%;
Above-mentioned organic fertilizer is Sodium salts humic acids or xanthohumic acid;
Above-mentioned mineral manure is at least a in urea, potassium primary phosphate, borax, boric acid, copper sulfate, ferrous sulfate, Sodium orthomolybdate, ammonium molybdate, manganous sulfate, the zinc sulfate;
Above-mentioned plant-growth regulator is at least a in sodium onitrophenol, Sodium p-nitrophenoxide, 5-nitro hydroxyanisole sodium, the gibberic acid;
Above-mentioned tensio-active agent is at least a in sodium lauryl sulphate, polyoxyethylene glycol-6000, polyvinyl alcohol, the tween 80.
2. composite fertilizer of multi-elements used on plant leaves according to claim 1 is characterized in that: above-mentioned water solvent is at least a in tap water and the softening water.
3. composite fertilizer of multi-elements used on plant leaves according to claim 1 is characterized in that: it is the liquid that is mixed and made into by following mixing ratio by weight:
Sodium salts humic acids: 8.0%
The mineral manure total amount: 6.0% wherein: urea 3.0%
Potassium primary phosphate 1.70%
Borax 0.30%
Ferrous sulfate 0.45%
Zinc sulfate 0.20%
Manganous sulfate 0.15%
Copper sulfate 0.20%
The plant-growth regulator total amount: 2.0% wherein: Sodium p-nitrophenoxide 1.40%
Sodium onitrophenol 0.60%
Tensio-active agent: sodium lauryl sulphate 0.60%
Mineral-dissolving water: 5.0%
Softening water: 78.4%.
4. composite fertilizer of multi-elements used on plant leaves according to claim 1 is characterized in that: it is the liquid that is mixed and made into by following mixing ratio by weight:
Sodium salts humic acids: 10.0%
Mineral substance fertilizer total amount: 8.0% wherein: urea 4.0%
Potassium primary phosphate 1.80%
Borax 0.30
Ferrous sulfate 0.70%
Zinc sulfate 0.60%
Manganous sulfate 0.20%
Copper sulfate 0.40%
The plant-growth regulator total amount: 3.50% wherein: Sodium p-nitrophenoxide 1.70%
Sodium onitrophenol 1.50%
5. nitro hydroxyanisole sodium 0.30%
Tensio-active agent: polyoxyethylene glycol-6,000 1.0%
Mineral-dissolving water: 3.0%
Softening water: 74.5%.
6. composite fertilizer of multi-elements used on plant leaves according to claim 1 is characterized in that: it is the liquid that is mixed and made into by following mixing ratio by weight:
Sodium salts humic acids: 6.0%
The mineral manure total amount: 10.0% wherein: urea 5.0%
Potassium primary phosphate 2.10%
Borax 0.50%
Ferrous sulfate 0.70%
Zinc sulfate 0.80%
Manganous sulfate 0.30%
Copper sulfate 0.50%
Sodium orthomolybdate 0.10%
The plant-growth regulator total amount: 1.60% wherein: Sodium p-nitrophenoxide 0.90%
Sodium onitrophenol 0.40%
Gibberic acid 0.30%
Tensio-active agent: polyvinyl alcohol 1.0%
Mineral-dissolving water: 2.0%
Softening water: 79.4%.
7. according to the production method of any described composite fertilizer of multi-elements used on plant leaves of claim 1-5, it is characterized in that following steps are arranged:
A, prepare following four kinds of aqueous solution respectively:
(1), the organic fertilizer aqueous solution: take by weighing Sodium salts humic acids or xanthohumic acid by proportional quantity, slowly add in the 50-60 ℃ of hot water solvent after it is ground, the limit edged stirs, and it is stand-by to treat to filter out impurities after it all dissolves;
(2), the mineral substance fertilizer aqueous solution: take by weighing at least a of urea, potassium primary phosphate, borax, boric acid, copper sulfate, ferrous sulfate, Sodium orthomolybdate, ammonium molybdate, manganous sulfate, zinc sulfate by proportional quantity, slowly add in the water solvent, the limit edged stirs, and it is stand-by to make it all be dissolved into homogeneous phase aqueous solution;
(3), the plant-growth regulator aqueous solution: take by weighing at least a of sodium onitrophenol, Sodium p-nitrophenoxide, 5-nitro hydroxyanisole sodium, gibberic acid by proportional quantity, add in the water solvent, be heated to 50-60 ℃, stirring and dissolving, it is stand-by to make homogeneous phase solution;
(4), water phase surfactant mixture: take by weighing at least a of sodium lauryl sulphate, polyoxyethylene glycol-6000, polyvinyl alcohol, tween 80 by proportional quantity, add in the water solvent, abundant stirring and dissolving under 50-60 ℃ of temperature, it is stand-by to make homogeneous phase solution;
B, will stir, press proportional quantity adding mineral-dissolving water and remainder water solvent again, stir and promptly make highly effective multielement compound foliage fertilizer by four kinds of stand-by aqueous solution of above-mentioned (1), (2), (3), (4) step preparation.
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| CN109206240A (en) * | 2018-10-30 | 2019-01-15 | 大新县科学技术情报研究所 | Special foliar fertilizer is harvested a kind ofly |
| CN110330378A (en) * | 2019-03-27 | 2019-10-15 | 青岛科技大学 | A kind of water-soluble clover dedicated liquid composite foliage fertilizer and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153155A (en) * | 1995-12-27 | 1997-07-02 | 李柏荣 | Vegetable foliage fertilizer and its preparing method |
| CN1467182A (en) * | 2002-07-10 | 2004-01-14 | 上海化工研究院 | Multielement foliage fertilizer |
| CN1594240A (en) * | 2003-09-08 | 2005-03-16 | 陶学海 | Highly effective multielement compound foliage fertilizer |
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2005
- 2005-04-13 CN CNB2005102002356A patent/CN100383092C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153155A (en) * | 1995-12-27 | 1997-07-02 | 李柏荣 | Vegetable foliage fertilizer and its preparing method |
| CN1467182A (en) * | 2002-07-10 | 2004-01-14 | 上海化工研究院 | Multielement foliage fertilizer |
| CN1594240A (en) * | 2003-09-08 | 2005-03-16 | 陶学海 | Highly effective multielement compound foliage fertilizer |
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