CN106278546A - A kind of environmental protection and the oil tea slow-release fertilizer of soil fertility can be strengthened - Google Patents
A kind of environmental protection and the oil tea slow-release fertilizer of soil fertility can be strengthened Download PDFInfo
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- CN106278546A CN106278546A CN201610599028.0A CN201610599028A CN106278546A CN 106278546 A CN106278546 A CN 106278546A CN 201610599028 A CN201610599028 A CN 201610599028A CN 106278546 A CN106278546 A CN 106278546A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of environmental protection and the oil tea slow-release fertilizer of soil fertility can be strengthened, its raw material includes by weight: 15 35 parts of ammonium sulfate, ammonium hydrogen carbonate 10 20 parts, calcium hydrogen phosphate 12 parts, calcium superphosphate 20 40 parts, 5 15 parts of potassium chloride, potassium sulfate 25 55 parts, the peat composed of rotten mosses 5 15 parts, modified coal ash 10 20 parts, 5 10 parts of Folium Mori, 8 15 parts of molasses powder, sodium silicate 0.4 1 parts, calcium nitrate 0.6 1.2 parts, EDTA chelated magnesium 0.4 1 parts, 0.3 0.6 parts of magnesium sulfate, 30 60 parts of humus, bacillus subtilis 0.005 0.008 parts, Bacillus licheniformis 0.03 0.09 parts, Paenibacillus polymyxa 0.002 0.006 parts.Nutrient can be discharged the most enduringly by the present invention according to the regulation of fertilizer requirement of oil tea, moreover it is possible to improvement soil, promotes that oil tea aerial growth is grown.
Description
Technical field
The present invention relates to technical field of fertilizers, particularly relate to a kind of environmental protection and the oil tea slow-release fertilizer of soil fertility can be strengthened.
Background technology
Oil tea, also known as Fructus Camelliae sinensis tree, tea oil tree, spends tea in vain, belongs to Theaceae, evergreen dungarunga；Because its seed can extract oil edible,
Therefore named.The clear taste of Oleum Camelliae color is fragrant, and nutritious, storage tolerance, is high-quality edible oil, it is possible to as lubricating oil, antirust oil for industry.
Tea cake is pesticide, is again fertilizer, can improve farmland water-holding capacity and preventing and treating rice pest.Peel is the raw material obtaining through refining tannic extract.
Owing to the plantation of China conventional oil-tea camellia is main based on chemical fertilizer, life-time service chemical fertilizer and pesticide, cause that soil permeability is poor, soil foster
Part run off, soil fertility declines, be particularly acute be chemical fertilizer and drug residue affects the health of people and the outlet of agricultural product.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of environmental protection and can strengthen the oil tea of soil fertility
Slow-release fertilizer, can discharge nutrient the most enduringly according to the growth characteristics of oil tea and regulation of fertilizer requirement, slow down nutrient
Mass flow stall degree, obvious to oil tea cell viability stimulation, moreover it is possible to improvement soil, strengthen soil fertility, be effectively improved soil
Structure, makes the soil hardened be loosened, and grows for plant root growth and creates good moisture, ventilation, temperature conditions, promotees
Oil-feed tea aerial growth is grown.
A kind of environmental protection that the present invention proposes and the oil tea slow-release fertilizer of soil fertility can be strengthened, its raw material includes by weight:
Ammonium sulfate 15-35 part, ammonium hydrogen carbonate 10-20 part, calcium hydrogen phosphate 1-2 part, calcium superphosphate 20-40 part, potassium chloride 5-15 part, sulphuric acid
Potassium 25-55 part, peat composed of rotten mosses 5-15 part, modified coal ash 10-20 part, Folium Mori 5-10 part, molasses powder 8-15 part, sodium silicate 0.4-1 part,
Calcium nitrate 0.6-1.2 part, EDTA chelated magnesium 0.4-1 part, magnesium sulfate 0.3-0.6 part, humus 30-60 part, bacillus subtilis
0.005-0.008 part, Bacillus licheniformis 0.03-0.09 part, Paenibacillus polymyxa 0.002-0.006 part.
Preferably, ammonium sulfate, ammonium hydrogen carbonate, calcium superphosphate, potassium chloride, potassium sulfate, the peat composed of rotten mosses, modified coal ash, Folium Mori, sugar
The weight ratio of honey powder is 20-30:12-18:25-35:8-12:30-50:8-12:14-18:7-9:10-13.
Preferably, modified coal ash, calcium hydrogen phosphate, sodium silicate, calcium nitrate, EDTA chelated magnesium, the weight ratio of magnesium sulfate are
14-18:1.3-1.7:0.5-0.7:0.8-1:0.6-0.8:0.4-0.5.
Preferably, modified coal ash, bacillus subtilis, Bacillus licheniformis, the weight ratio of Paenibacillus polymyxa are
14-18:0.006-0.007:0.04-0.08:0.003-0.005.
Preferably, modified coal ash uses following technique to prepare: by fibroin, sodium hydroxide, water mix and blend, mistake
Filter, adds cellulose sulfonate stirring, adds flyash, Gypsum Fibrosum, acrylic acid rubber powder, sodium lignin sulfonate mixed grinding, stir,
Adding sodium sulfate, sulfuric acid solution, zinc sulfate, cross-linking agent EDC mix and blend, filter, washing obtains modified coal ash.
Preferably, modified coal ash uses following technique to prepare: by fibroin, sodium hydroxide, water mix and blend 30-
60min, whipping temp is 60-70 DEG C, filter, add cellulose sulfonate stirring 25-45min, add flyash, Gypsum Fibrosum, third
Olefin(e) acid rubber powder, sodium lignin sulfonate mixed grinding 10-20min, 130-150 DEG C of stirring 15-45min, addition sodium sulfate, sulphuric acid are molten
Liquid, zinc sulfate, cross-linking agent EDC mix and blend 20-30min, whipping temp is 60-70 DEG C, filters, and washing obtains modified fine coal
Ash.
Preferably, modified coal ash uses following technique to prepare: by weight by 10-20 part fibroin, 0.5-1 part hydrogen
Sodium oxide, 100-130 part water mix and blend 30-60min, whipping temp is 60-70 DEG C, filters, and adds 5-15 part cellulose sulphur
Acid esters stirring 25-45min, adds 5-15 part flyash, 5-10 part Gypsum Fibrosum, 1.5-2.5 part acrylic acid rubber powder, 5-10 part lignin
Sodium sulfonate mixed grinding 10-20min, 130-150 DEG C of stirring 15-45min, add 1.5-2.5 part sodium sulfate, 2.5-4.5 part dense
Degree is the sulfuric acid solution of 20-30wt%, 5-15 part zinc sulfate, 0.3-0.8 part cross-linking agent EDC mix and blend 20-30min, stirring
Temperature is 60-70 DEG C, filters, and washing obtains modified coal ash.
The present invention uses calcium superphosphate, ammonium sulfate, ammonium hydrogen carbonate, potassium sulfate, potassium chloride and the peat composed of rotten mosses, modified coal ash, Mulberry
Leaf, molasses powder produce mating reaction, the excellent performance be coated with, bond, adsorbed, and not only can grow early stage at Growth of Camellia oleifera provides it
Required nitrogen, phosphorus, potassium element, and can persistently meet Growth of Camellia oleifera development later stage to nitrogen, phosphorus, the needs of potassium element；Modified powder
Methoxyl group, hydroxyl, carboxyl and the surface bridged bond of flyash, insatiable hunger in the preparation process of coal ash, on lignin sulfonic acid sodium molecule
After closing with bond, flyash is changed into hydrophilic by hydrophobicity, and surface has a large amount of charged particle simultaneously, and fibroin is through parlkaline
After process ,-the OH in the-CO-NH-in azelon and cellulose sulfonate sulfuric acid solution, zinc sulfate, cross-linking agent EDC and
Under effect with a large amount of charge particle flyash, formation network-like structure, not only good hydrophilic property, and excellent in mechanical performance,
Caking ability is higher with stability, again can further with Gypsum Fibrosum, acrylic acid rubber powder effect, mechanical property is high, and adhesive property enters
One step strengthens；Modified coal ash cooperates with calcium hydrogen phosphate, sodium silicate, EDTA chelated magnesium, calcium nitrate, magnesium sulfate, can be in conjunction with
Middle trace element is discharged by growth characteristics and the regulation of fertilizer requirement of oil tea the most enduringly, and slows down nutrient substance loss speed
Degree, strengthens soil fertility, is effectively improved Soil structure, makes the soil hardened be loosened, and grows for plant root growth and creates
Good moisture, ventilation, temperature conditions, promote that oil tea aerial growth is grown, its further with bacillus subtilis,
Clothing bacillus cereus, Paenibacillus polymyxa generation synergism, oil tea cell viability is stimulated and makees by the UGF of generation
With substantially, moreover it is possible to improvement soil, make oil tea volume increase substantially.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of environmental protection that the present invention proposes and the oil tea slow-release fertilizer of soil fertility can be strengthened, its raw material includes by weight:
15 parts of ammonium sulfate, ammonium hydrogen carbonate 20 parts, calcium hydrogen phosphate 1 part, calcium superphosphate 40 parts, 5 parts of potassium chloride, potassium sulfate 55 parts, the peat composed of rotten mosses 5
Part, modified coal ash 20 parts, 5 parts of Folium Mori, 15 parts of molasses powder, sodium silicate 0.4 part, calcium nitrate 1.2 parts, EDTA chelated magnesium 0.4 part,
0.6 part of magnesium sulfate, 30 parts of humus, bacillus subtilis 0.008 part, Bacillus licheniformis 0.03 part, Paenibacillus polymyxa
0.006 part.
Embodiment 2
A kind of environmental protection that the present invention proposes and the oil tea slow-release fertilizer of soil fertility can be strengthened, its raw material includes by weight:
35 parts of ammonium sulfate, ammonium hydrogen carbonate 10 parts, calcium hydrogen phosphate 2 parts, calcium superphosphate 20 parts, 15 parts of potassium chloride, potassium sulfate 25 parts, the peat composed of rotten mosses 15
Part, modified coal ash 10 parts, 10 parts of Folium Mori, 8 parts of molasses powder, sodium silicate 1 part, calcium nitrate 0.6 part, EDTA chelated magnesium 1 part, sulphuric acid
0.3 part of magnesium, 60 parts of humus, bacillus subtilis 0.005 part, Bacillus licheniformis 0.09 part, Paenibacillus polymyxa 0.002
Part.
Modified coal ash uses following technique to prepare: by fibroin, sodium hydroxide, water mix and blend, filters, and adds fibre
Dimension element sulphonic acid ester stirring, adds flyash, Gypsum Fibrosum, acrylic acid rubber powder, sodium lignin sulfonate mixed grinding, stirring, adds sulphuric acid
Sodium, sulfuric acid solution, zinc sulfate, cross-linking agent EDC mix and blend, filter, and washing obtains modified coal ash.
Embodiment 3
A kind of environmental protection that the present invention proposes and the oil tea slow-release fertilizer of soil fertility can be strengthened, its raw material includes by weight:
25 parts of ammonium sulfate, ammonium hydrogen carbonate 15 parts, calcium hydrogen phosphate 1.5 parts, calcium superphosphate 30 parts, 10 parts of potassium chloride, potassium sulfate 40 parts, the peat composed of rotten mosses
10 parts, modified coal ash 16 parts, 8 parts of Folium Mori, 12 parts of molasses powder, sodium silicate 0.6 part, calcium nitrate 0.9 part, EDTA chelated magnesium 0.7
Part, 0.45 part of magnesium sulfate, 45 parts of humus, bacillus subtilis 0.0065 part, Bacillus licheniformis 0.06 part, many viscous class spore
Bacillus 0.004 part.
Modified coal ash uses following technique to prepare: by fibroin, sodium hydroxide, water mix and blend 45min, stirring temperature
Degree is 65 DEG C, filters, and adds cellulose sulfonate stirring 35min, adds flyash, Gypsum Fibrosum, acrylic acid rubber powder, lignin sulfonic acid
Sodium mixed grinding 15min, 140 DEG C of stirring 30min, add sodium sulfate, sulfuric acid solution, zinc sulfate, cross-linking agent EDC mix and blend
25min, whipping temp is 65 DEG C, filters, and washing obtains modified coal ash.
Embodiment 4
A kind of environmental protection that the present invention proposes and the oil tea slow-release fertilizer of soil fertility can be strengthened, its raw material includes by weight:
20 parts of ammonium sulfate, ammonium hydrogen carbonate 18 parts, calcium hydrogen phosphate 1.3 parts, calcium superphosphate 35 parts, 8 parts of potassium chloride, potassium sulfate 50 parts, the peat composed of rotten mosses 8
Part, modified coal ash 18 parts, 7 parts of Folium Mori, 13 parts of molasses powder, sodium silicate 0.5 part, calcium nitrate 1 part, EDTA chelated magnesium 0.6 part, sulfur
0.5 part of magnesium of acid, 35 parts of humus, bacillus subtilis 0.007 part, Bacillus licheniformis 0.04 part, Paenibacillus polymyxa
0.005 part.
Modified coal ash uses following technique to prepare: by weight by 10 parts of fibroins, 1 part of sodium hydroxide, 100 parts of water
Mix and blend 60min, whipping temp is 60 DEG C, filters, and adds 15 parts of cellulose sulfonate stirring 25min, adds 15 parts of fine coal
Ash, 5 parts of Gypsum Fibrosum, 2.5 parts of acrylic acid rubber powders, 5 parts of sodium lignin sulfonate mixed grinding 20min, 130 DEG C of stirring 45min, add
1.5 parts of sodium sulfate, 4.5 parts of concentration are the sulfuric acid solution of 20wt%, 15 parts of zinc sulfate, 0.3 part of cross-linking agent EDC mix and blend
30min, whipping temp is 60 DEG C, filters, and washing obtains modified coal ash.
Embodiment 5
A kind of environmental protection that the present invention proposes and the oil tea slow-release fertilizer of soil fertility can be strengthened, its raw material includes by weight:
30 parts of ammonium sulfate, ammonium hydrogen carbonate 12 parts, calcium hydrogen phosphate 1.7 parts, calcium superphosphate 25 parts, 12 parts of potassium chloride, potassium sulfate 30 parts, the peat composed of rotten mosses
12 parts, modified coal ash 14 parts, 9 parts of Folium Mori, 10 parts of molasses powder, sodium silicate 0.7 part, calcium nitrate 0.8 part, EDTA chelated magnesium 0.8
Part, 0.4 part of magnesium sulfate, 55 parts of humus, bacillus subtilis 0.006 part, Bacillus licheniformis 0.08 part, many viscous class spore bars
Bacterium 0.003 part.
Modified coal ash uses following technique to prepare: by weight by 20 parts of fibroins, 0.5 part of sodium hydroxide, 130 parts
Water mix and blend 30min, whipping temp is 70 DEG C, filters, and adds 5 parts of cellulose sulfonate stirring 45min, adds 5 parts of fine coal
Ash, 10 parts of Gypsum Fibrosum, 1.5 parts of acrylic acid rubber powders, 10 parts of sodium lignin sulfonate mixed grinding 10min, 150 DEG C of stirring 15min, add
2.5 parts of sodium sulfate, 2.5 parts of concentration are the sulfuric acid solution of 30wt%, 5 parts of zinc sulfate, 0.8 part of cross-linking agent EDC mix and blend
20min, whipping temp is 70 DEG C, filters, and washing obtains modified coal ash.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (7)
1. an environmental protection and the oil tea slow-release fertilizer of soil fertility can be strengthened, it is characterised in that its raw material includes by weight: sulphuric acid
Ammonium 15-35 part, ammonium hydrogen carbonate 10-20 part, calcium hydrogen phosphate 1-2 part, calcium superphosphate 20-40 part, potassium chloride 5-15 part, potassium sulfate
25-55 part, peat composed of rotten mosses 5-15 part, modified coal ash 10-20 part, Folium Mori 5-10 part, molasses powder 8-15 part, sodium silicate 0.4-1 part, nitre
Acid calcium 0.6-1.2 part, EDTA chelated magnesium 0.4-1 part, magnesium sulfate 0.3-0.6 part, humus 30-60 part, bacillus subtilis
0.005-0.008 part, Bacillus licheniformis 0.03-0.09 part, Paenibacillus polymyxa 0.002-0.006 part.
Environmental protection and the oil tea slow-release fertilizer of soil fertility can be strengthened the most according to claim 1, it is characterised in that ammonium sulfate, carbon
Acid hydrogen ammonium, calcium superphosphate, potassium chloride, potassium sulfate, the peat composed of rotten mosses, modified coal ash, Folium Mori, the weight ratio of molasses powder are 20-30:12-
18:25-35:8-12:30-50:8-12:14-18:7-9:10-13.
The environmental protection the most according to claim 1 or claim 2 and oil tea slow-release fertilizer of soil fertility can be strengthened, it is characterised in that modified powder
Coal ash, calcium hydrogen phosphate, sodium silicate, calcium nitrate, EDTA chelated magnesium, the weight ratio of magnesium sulfate are 14-18:1.3-1.7:0.5-0.7:
0.8-1:0.6-0.8:0.4-0.5.
4. according to environmental protection described in any one of claim 1-3 and oil tea slow-release fertilizer that soil fertility can be strengthened, it is characterised in that change
Property flyash, bacillus subtilis, Bacillus licheniformis, the weight ratio of Paenibacillus polymyxa are 14-18:0.006-0.007:
0.04-0.08:0.003-0.005.
5. according to environmental protection described in any one of claim 1-4 and oil tea slow-release fertilizer that soil fertility can be strengthened, it is characterised in that change
Property flyash use following technique to prepare: by fibroin, sodium hydroxide, water mix and blend, filter, add cellulose sulfonate
Stirring, adds flyash, Gypsum Fibrosum, acrylic acid rubber powder, sodium lignin sulfonate mixed grinding, stirring, and addition sodium sulfate, sulphuric acid are molten
Liquid, zinc sulfate, cross-linking agent EDC mix and blend, filter, and washing obtains modified coal ash.
6. according to environmental protection described in any one of claim 1-5 and oil tea slow-release fertilizer that soil fertility can be strengthened, it is characterised in that change
Property flyash use following technique prepare: by fibroin, sodium hydroxide, water mix and blend 30-60min, whipping temp is 60-
70 DEG C, filter, add cellulose sulfonate stirring 25-45min, add flyash, Gypsum Fibrosum, acrylic acid rubber powder, lignin sulfonic acid
Sodium mixed grinding 10-20min, 130-150 DEG C of stirring 15-45min, add sodium sulfate, sulfuric acid solution, zinc sulfate, cross-linking agent EDC
Mix and blend 20-30min, whipping temp is 60-70 DEG C, filters, and washing obtains modified coal ash.
7. according to environmental protection described in any one of claim 1-6 and oil tea slow-release fertilizer that soil fertility can be strengthened, it is characterised in that change
Property flyash use following technique prepare: by weight by 10-20 part fibroin, 0.5-1 part sodium hydroxide, 100-130 part
Water mix and blend 30-60min, whipping temp is 60-70 DEG C, filters, and adds 5-15 part cellulose sulfonate stirring 25-45min,
Add 5-15 part flyash, 5-10 part Gypsum Fibrosum, 1.5-2.5 part acrylic acid rubber powder, 5-10 part sodium lignin sulfonate mixed grinding 10-
20min, 130-150 DEG C of stirring 15-45min, addition 1.5-2.5 part sodium sulfate, 2.5-4.5 part concentration are the sulfur of 20-30wt%
Acid solution, 5-15 part zinc sulfate, 0.3-0.8 part cross-linking agent EDC mix and blend 20-30min, whipping temp is 60-70 DEG C, mistake
Filter, washing obtains modified coal ash.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337522A (en) * | 2017-07-18 | 2017-11-10 | 合肥百绿盛农业科技有限公司 | A kind of grape special fertilizer and preparation method thereof |
| CN107628889A (en) * | 2017-11-19 | 2018-01-26 | 覃建忠 | A kind of zinc selenium oil tea special bio fertilizer and preparation method thereof |
| CN107673885A (en) * | 2017-11-16 | 2018-02-09 | 安徽耘泰农业发展有限公司 | A kind of preparation method of green paddy rice-dedicated fertilizer |
| CN107673886A (en) * | 2017-11-16 | 2018-02-09 | 安徽耘泰农业发展有限公司 | A kind of composite fertilizer's preparation method for improving paddy quality |
| CN107814622A (en) * | 2017-10-31 | 2018-03-20 | 蚌埠标优美生态工程有限公司 | A kind of slow release fertilizer preparation method for promoting straw-returning |
| CN109588198A (en) * | 2018-12-28 | 2019-04-09 | 广西壮族自治区林业科学研究院 | Improve the implantation methods of the tea oil tree of oil yield |
| CN111978117A (en) * | 2020-07-15 | 2020-11-24 | 安徽裕民生态农业有限公司 | Special slow release fertilizer for camellia oleifera and preparation method thereof |
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| CN104892056A (en) * | 2014-03-05 | 2015-09-09 | 湖南省天金科技有限公司 | Camellia oleifera dedicated biological organic fertilizer and preparation method thereof |
| CN105254411A (en) * | 2015-09-30 | 2016-01-20 | 天长市翔净蔬菜种植发展有限公司 | Slow-release and high-yield fertilizer special for cucumbers |
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| CN105254411A (en) * | 2015-09-30 | 2016-01-20 | 天长市翔净蔬菜种植发展有限公司 | Slow-release and high-yield fertilizer special for cucumbers |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337522A (en) * | 2017-07-18 | 2017-11-10 | 合肥百绿盛农业科技有限公司 | A kind of grape special fertilizer and preparation method thereof |
| CN107814622A (en) * | 2017-10-31 | 2018-03-20 | 蚌埠标优美生态工程有限公司 | A kind of slow release fertilizer preparation method for promoting straw-returning |
| CN107673885A (en) * | 2017-11-16 | 2018-02-09 | 安徽耘泰农业发展有限公司 | A kind of preparation method of green paddy rice-dedicated fertilizer |
| CN107673886A (en) * | 2017-11-16 | 2018-02-09 | 安徽耘泰农业发展有限公司 | A kind of composite fertilizer's preparation method for improving paddy quality |
| CN107628889A (en) * | 2017-11-19 | 2018-01-26 | 覃建忠 | A kind of zinc selenium oil tea special bio fertilizer and preparation method thereof |
| CN109588198A (en) * | 2018-12-28 | 2019-04-09 | 广西壮族自治区林业科学研究院 | Improve the implantation methods of the tea oil tree of oil yield |
| CN111978117A (en) * | 2020-07-15 | 2020-11-24 | 安徽裕民生态农业有限公司 | Special slow release fertilizer for camellia oleifera and preparation method thereof |
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Application publication date: 20170104 |