CN113061065A - Special fertilizer for sunflower and preparation method and application method thereof - Google Patents
Special fertilizer for sunflower and preparation method and application method thereof Download PDFInfo
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- CN113061065A CN113061065A CN202110526304.1A CN202110526304A CN113061065A CN 113061065 A CN113061065 A CN 113061065A CN 202110526304 A CN202110526304 A CN 202110526304A CN 113061065 A CN113061065 A CN 113061065A
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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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a special fertilizer for sunflower as well as a preparation method and an application method thereof, belonging to the technical field of fertilizers. The special fertilizer for the sunflower comprises 475-485 parts of a nitrogen fertilizer, 160-170 parts of a phosphate fertilizer, 233-235 parts of a potassium fertilizer, 8-15 parts of a zinc fertilizer, 3-10 parts of a boron fertilizer, 0.17-0.18 part of a urease inhibitor and 100-105 parts of a bio-organic fertilizer. The special fertilizer disclosed by the invention is reasonable in formula, has a synergistic effect among components, can be used for remarkably improving the yield, thousand seed weight and protein content of sunflower and improving the economic benefit. Experimental results show that the special fertilizer can obviously improve the thousand seed weight and the protein content of sunflower seeds and improve the yield. Compared with the habit of farmers for fertilizing, the excessive input of nitrogen and phosphorus nutrients is reducedThe proportion and the dosage of the phosphorus-potassium fertilizer are more reasonable, and the yield is increased by 186.0-821.9 kg/hm2The economic benefit is improved by 842.0-5211.8 yuan/hm2。
Description
Technical Field
The invention belongs to the technical field of fertilizers, and particularly relates to a special fertilizer for sunflower as well as a preparation method and an application method thereof.
Background
Sunflower is the fourth major oil crop in China, the sowing area in the whole country in 2020 is 120 million hectares, and the yield is about 300 million tons. In the sunflower seeds, the oil content of the oil seeds is 40-56 percent, the oil seeds are oil crops with the highest oil content, and the oil has good quality, so the oil seeds not only can be eaten, but also are good raw materials in the fields of leather making, printing, coating and the like. Therefore, the demand of sunflower in China is increasing.
Fertilization is a material basis for increasing the yield of the sunflower, but the nutrient absorption characteristics of the sunflower by farmers are unclear, unbalanced fertilization and excessive fertilization phenomena are serious, wherein unbalanced nitrogen, phosphorus and potassium nutrients are common, the yield of the sunflower is influenced due to excessive application of nitrogen, phosphorus and potassium fertilizers, unbalanced supply of nitrogen, phosphorus and potassium nutrients and other reasons, the quality of the sunflower seeds is also deteriorated, and the oil content of the sunflower seeds is reduced due to excessive fertilization. Gujie et al, in research on soil nutrient limiting factor and fertilization index for sunflower yield on loess plateau, point out that nitrogen, phosphorus and potassium are limiting factors for sunflower yield, seed yield is reduced by 22.7% in the absence of potassium, the yield reduction range is the largest, the yield reduction range is 19.4% in the absence of nitrogen, and the yield reduction range is 15.3% in the absence of phosphorus. Therefore, unreasonable fertilization easily causes low fertilization benefit and poor fertilizer utilization rate, even the situation of increasing yield without increasing income appears, and not only the yield of the sunflower is influenced, but also the quality of the sunflower product is seriously influenced. Therefore, the development of a fertilizer formula suitable for being applied to the main production area of the sunflower is of great significance to high-yield and high-efficiency green planting of the sunflower.
Disclosure of Invention
In view of the above, the invention aims to provide a fertilizer special for sunflower, which can significantly improve the yield, thousand seed weight and protein content of sunflower and improve economic benefits.
In order to achieve the above purpose, the invention provides the following technical scheme:
the fertilizer special for the sunflowers comprises the following raw materials in parts by weight: 475-485 parts of nitrogenous fertilizer, 160-170 parts of phosphatic fertilizer, 233-235 parts of potash fertilizer, 8-15 parts of zinc fertilizer, 3-10 parts of boron fertilizer, 0.17-0.18 part of urease inhibitor and 100-105 parts of biological organic fertilizer.
Preferably, at N, P2O5And K2And O, the weight ratio of the nitrogenous fertilizer to the phosphate fertilizer to the potash fertilizer in the special fertilizer for the sunflower is (22-25) to (8-12) to (12-15).
Preferably, the nitrogen fertilizer comprises urea, and the mass percentage of nitrogen in the urea is 45-50% calculated by N.
Preferably, the phosphate fertilizer comprises monoammonium phosphate, at N, P2O5The mass percentage of nitrogen in the monoammonium phosphate is 10-13%, and the mass percentage of phosphorus in the monoammonium phosphate is 55-65%.
Preferably, the potash fertilizer comprises potassium chloride, expressed as K2Calculated by O, the mass percentage of potassium in the potassium chloride is 56-64%.
Preferably, the zinc fertilizer comprises zinc sulfate, and the boron fertilizer comprises borax.
Preferably, the bio-organic fertilizer contains beneficial bacteria, the beneficial bacteria in the bio-organic fertilizer are more than or equal to 2 hundred million/g, and the beneficial bacteria comprise trichoderma harzianum and bacillus subtilis.
The invention also provides a preparation method of the special fertilizer for sunflower, which comprises the steps of mixing and granulating the nitrogenous fertilizer, the phosphate fertilizer, the potash fertilizer, the zinc fertilizer, the boron fertilizer and the urease inhibitor, and mixing the granulated mixture with the biological organic fertilizer to obtain the special fertilizer for sunflower.
The invention also provides an application method of the special fertilizer for sunflowers, wherein the special fertilizer for sunflowers is applied as a base fertilizer at one time and is applied to the position 5-10 cm below or on the side of a seed.
Preferably, the application amount of the special fertilizer for sunflower is 600-750 kg/hm2。
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a special fertilizer for sunflower, which comprises a nitrogenous fertilizer, a phosphate fertilizer, a potash fertilizer, a zinc fertilizer, a boron fertilizer, a urease inhibitor and a biological organic fertilizer. At N, P2O5And K2The weight ratio of the nitrogenous fertilizer to the phosphate fertilizer to the potash fertilizer in the special fertilizer for the sunflowers is (22-25) to (8-12) to (12-15), the formula is reasonable, and the yield and the quality of the sunflowers can be obviously improved; the urease inhibitor can inhibit the hydrolysis speed of urea, reduce the volatilization and nitration of ammonium nitrogen, improve the environment and improve the utilization efficiency of nitrogen; the bio-organic fertilizer can effectively prevent and treat soil-borne diseases of sunflower roots caused by pythium, rhizoctonia solani, fusarium and sclerotinia sclerotiorum. The components of the special fertilizer for sunflower have synergistic effect, and can obviously improve the yield, thousand seed weight and protein content of sunflower and improve economic benefit.
The experimental result shows that compared with the fertilizers of comparative examples 1-7, the fertilizer of the embodiment 1 of the invention can obviously improve the thousand kernel weight and the protein content of sunflower seeds and improve the yield. Compared with the conventional fertilizer application of farmers, the fertilizer reduces the excessive input of nitrogen, phosphorus and potassium nutrients, has more reasonable proportion and dosage of nitrogen, phosphorus and potassium fertilizers, and increases the yield by 186.0-821.9 kg/hm2The economic benefit is improved by 842.0-5211.8 yuan/hm2。
Detailed Description
The invention provides a special fertilizer for sunflower, which comprises the following raw materials in parts by weight: 475-485 parts of nitrogenous fertilizer, 160-170 parts of phosphatic fertilizer, 233-235 parts of potash fertilizer, 8-15 parts of zinc fertilizer, 3-10 parts of boron fertilizer, 0.17-0.18 part of urease inhibitor and 100-105 parts of biological organic fertilizer.
In the invention, the special fertilizer for sunflower preferably comprises the following raw materials in parts by weight: 481.9 parts of nitrogenous fertilizer, 166.7 parts of phosphate fertilizer, 233.3 parts of potash fertilizer, 10.0 parts of zinc fertilizer, 5.0 parts of boron fertilizer, 0.2 part of urease inhibitor and 102.9 parts of bio-organic fertilizer.
In the present invention, N, P2O5And K2And in terms of O, the weight ratio of the nitrogenous fertilizer to the phosphate fertilizer to the potash fertilizer in the special fertilizer for the sunflower is preferably (22-25): 8-12): 12-15, and more preferably 24:10: 14.
In the invention, the nitrogen fertilizer can optionally comprise urea, and the mass percentage of nitrogen in the urea is preferably 45-50%, and more preferably 46% in terms of N. Urea is a main nitrogen fertilizer commonly used at present and provides a nitrogen source for the growth of sunflower.
In the invention, the urease inhibitor is n-butyl thiophosphoryl triamide (NBPT), and is produced by Zhejiang and Jinhui New Material GmbH. After the urea is applied to soil, the urea is hydrolyzed into ammonium nitrogen by urease and can be absorbed by crops.
In the present invention, the phosphate fertilizer may optionally include monoammonium phosphate, N and P2O5In the monoammonium phosphate, the mass percentage of nitrogen is preferably 10% to 13%, more preferably 11%, and the mass percentage of phosphorus is preferably 55% to 65%, more preferably 60%. The monoammonium phosphate mainly contains phosphorus and partial nitrogen, and provides phosphorus nutrients and partial nitrogen nutrients for the growth of the sunflower.
In the present invention, the potash fertilizer may optionally include potassium chloride, in K2The mass percentage of potassium in the potassium chloride is preferably 56-64%, and more preferably 60%, calculated as O. Potassium chloride is a commonly used main source of potash fertilizer, and can provide a source of potassium for sunflower growth.
In the invention, the zinc fertilizer preferably comprises zinc sulfate, and the boron fertilizer preferably comprises borax. Zinc sulfate is a common zinc fertilizer, borax is a common boron fertilizer, and zinc and boron elements required by sunflower growth can be supplemented.
In the invention, the bio-organic fertilizer contains beneficial bacteria, the beneficial bacteria in the bio-organic fertilizer are more than or equal to 2 hundred million/g, and the beneficial bacteria comprise trichoderma harzianum and bacillus subtilis. The bio-organic fertilizer is produced by inner Mongolia Ruozheng source biological technology limited company. The biological organic fertilizer can effectively prevent and treat sunflower root soil-borne diseases caused by pythium aphanidermatum, rhizoctonia solani, fusarium and sclerotinia sclerotiorum and the like.
In the invention, as an embodiment, the total nutrient content of the special fertilizer for sunflower is more than or equal to 48%, the zinc content is more than or equal to 1%, the boron content is more than or equal to 0.5%, the organic matter content is more than or equal to 5%, and the beneficial bacteria content is more than or equal to 0.2 hundred million/g.
The invention also provides a preparation method of the special fertilizer for sunflower, which comprises the steps of mixing and granulating the nitrogenous fertilizer, the phosphate fertilizer, the potash fertilizer, the zinc fertilizer, the boron fertilizer and the urease inhibitor, and mixing the granulated mixture with the biological organic fertilizer to obtain the special fertilizer for sunflower.
In the invention, the method also preferably comprises a crushing step after the nitrogenous fertilizer, the phosphate fertilizer, the potash fertilizer, the zinc fertilizer, the boron fertilizer and the urease inhibitor are mixed, wherein the crushed particle size is more than or equal to 40 meshes.
In the invention, the granulation is preferably disc granulation or high tower granulation, and the production standard conforms to the national standard GB15063-2009 of compound fertilizers (compound fertilizers).
The invention also provides an application method of the special fertilizer for sunflowers, wherein the special fertilizer for sunflowers is applied as a base fertilizer at one time and is applied to the position 5-10 cm below or on the side of a seed.
In the invention, the special fertilizer for the sunflowers is preferably suitable for a dry-farming planting area, a full-mulching planting area or a land block which is not fertilized any more at one time in the sunflowers in China.
In the invention, the application amount of the special fertilizer for sunflower is preferably 600-750 kg/hm2More preferably 700kg/hm2。
In the present invention, the source of the raw materials not mentioned is not particularly limited, and a conventional commercially available product may be used.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
481.9kg of urea, 166.7kg of monoammonium phosphate, 233.3kg of potassium chloride, 10.0kg of zinc sulfate, 5.0kg of borax, 0.18kg of urease inhibitor and 102.9kg of bio-organic fertilizer are accurately weighed, mixed uniformly, crushed to 40 meshes of particle size, granulated by a disc and mixed with 102.9kg of bio-organic fertilizer to obtain the special fertilizer for sunflower.
Example 2
Accurately weighing 475kg of urea, 160kg of monoammonium phosphate, 233kg of potassium chloride, 8kg of zinc sulfate, 3kg of borax, 0.17kg of urease inhibitor and 100kg of bio-organic fertilizer, uniformly mixing, crushing to 45-mesh particle size, granulating by a high tower, and mixing with 100kg of bio-organic fertilizer to obtain the special fertilizer for sunflower.
Example 3
485kg of urea, 170kg of monoammonium phosphate, 235kg of potassium chloride, 15kg of zinc sulfate, 10kg of borax, 0.18kg of urease inhibitor and 105kg of bio-organic fertilizer are accurately weighed, mixed uniformly, crushed to a particle size of 50 meshes, granulated by adopting a disc, and mixed with 105kg of bio-organic fertilizer to obtain the special fertilizer for sunflower.
Comparative example 1
The procedure was the same as in example 1, except that no nitrogen fertilizer was added.
Comparative example 2
The procedure was as in example 1, except that no phosphate was added.
Comparative example 3
The procedure was the same as in example 1, except that no potash fertilizer was added.
Comparative example 4
The procedure was the same as in example 1, except that no zinc fertilizer was added.
Comparative example 5
The procedure was the same as in example 1, except that no boron fertilizer was added.
Comparative example 6
The procedure was as in example 1, except that no urease inhibitor was added.
Comparative example 7
The procedure was the same as in example 1, except that no bio-organic fertilizer was added.
Example 4
The experiment is carried out in Wuchuan experiment station of Mongolian agriculture and animal husbandry academy of sciences in Mongolian Wuchuan county in 2020, the total number of the experiment stations is 8, and each experiment sample is 40m2The fertilizers of example 1 and comparative examples 1 to 7 were applied to the experimental formula at an application rate of 750kg/hm, respectively2Each sample is uniformly applied to the sunflower seed sowing row in a strip mode, and the random block test design is adopted, so that the basic conditions of the sample such as soil, illumination and the like are consistent. The yield is respectively calculated by singly harvesting and singly beating in the harvest process, the thousand kernel weight and the kernel yield contain oil content and protein content are sampled and measured at the same time, the sclerotinia sclerotiorum morbidity is calculated in the harvest process, and specific results are shown in a table 1.
TABLE 1 Effect of the fertilizers of example 1 and comparative examples 1 to 7 on sunflower yield and quality traits
As is clear from Table 1, the production of example 1 of the present invention was increased by 14.9% relative to comparative example 1, by 12.3% relative to comparative example 2, by 9.2% relative to comparative example 3, by 4.8% relative to comparative example 4, by 3.9% relative to comparative example 5, by 9% relative to comparative example 6, and by 4.0% relative to comparative example 7. Compared with the fertilizers of comparative examples 1-7, the fertilizer of the embodiment 1 can obviously improve the thousand kernel weight and the protein content of sunflower seeds.
Example 5
The Mongolian Bayan Yan Kair City and the Huhehaote Wuchuan county in 2019-2020 have been tested at multiple points, 5 high-yield plots, 5 middle-low-yield plots and 5 dry farming plots, 2 treatments are set for each test, and each test prescription is 60m2The fertilizers used by farmers in example 1 are applied to the experimental formula, and the specific application amounts are shown in table 2. Harvesting machineThe yield is calculated by taking the time and the yield by one, and the yield results are shown in table 3. The economic benefit comparison is shown in table 4.
Table 2 example 1 nutrient saving compared to farmer's habitual fertilization
As can be seen from Table 2, in example 1, the reduction of the nitrogen fertilizer (N) by 20.7kg/hm was observed as compared with the conventional fertilization by farmers2The amplitude is 5-33 kg/hm2(ii) a Reduction of phosphate fertilizer (P)2O5)39.0kg/hm2The amplitude is 25-58 kg/hm2(ii) a Adding potash fertilizer (K)2O) input 33.3kg/hm2. The special fertilizer for sunflower reduces the excessive input of nitrogen and phosphorus nutrients, and the proportion and the dosage of the nitrogen, phosphorus and potassium fertilizer are more reasonable.
Table 3 comparison of example 1 with farmer habitual fertilization yields
As can be seen from Table 3, the 15 test points, which applied the fertilizer of example 1 of the present invention, produced 2293.0-6373.9 kg/hm2Average 3915.2kg/hm2(ii) a The yield of the fertilizer application and the fertilizer application which are habitually used by farmers is 2070.8-5552.0 kg/hm2Average 3494.2kg/hm2Compared with the conventional fertilizer application, the fertilizer of the embodiment 1 of the invention increases the yield by 186.0-821.9 kg/hm2Average yield increase of 421.0kg/hm2The yield is increased by 8.2-17.0% and the average yield is increased by 11.9%.
TABLE 3 comparison of the benefits of example 1 with farmer habitual fertilization
If the sunflower seed price is 7 yuan/kg, the nitrogen fertilizer (N) price is 4 yuan/kg, and the phosphate fertilizer (P)2O5) The price is 4.5 yuan/kg, potassium fertilizer (K)2O) the price is 4.5 yuan/kg, and the special fertilizer is 3 yuan/kgThe yield value of the special fertilizer for sunflower in the embodiment 1 of the invention is 14551.0-42217.2 yuan/hm by yuan/kg calculation2Compared with the habit of farmers to fertilize the income 842.0-5211.8 yuan/hm2Average 2415.4 yuan/hm2。
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The special fertilizer for the sunflower is characterized by comprising the following raw materials in parts by weight: 475-485 parts of nitrogenous fertilizer, 160-170 parts of phosphatic fertilizer, 233-235 parts of potash fertilizer, 8-15 parts of zinc fertilizer, 3-10 parts of boron fertilizer, 0.17-0.18 part of urease inhibitor and 100-105 parts of biological organic fertilizer.
2. The fertilizer special for sunflowers as claimed in claim 1, wherein N, P is added2O5And K2And O, the weight ratio of the nitrogenous fertilizer to the phosphate fertilizer to the potash fertilizer in the special fertilizer for the sunflower is (22-25) to (8-12) to (12-15).
3. The fertilizer special for sunflowers as claimed in claim 2, wherein the nitrogen fertilizer comprises urea, and the mass percentage of nitrogen in the urea is 45% -50% calculated by N.
4. The fertilizer special for sunflowers as claimed in claim 2, wherein the phosphate fertilizer comprises monoammonium phosphate to N, P2O5The mass percentage of nitrogen in the monoammonium phosphate is 10-13%, and the mass percentage of phosphorus in the monoammonium phosphate is 55-65%.
5. The fertilizer special for sunflowers as claimed in claim 2, wherein the potassium fertilizer comprises potassium chloride expressed in K2Calculated by O, the mass percentage of potassium in the potassium chloride is 56-64%.
6. The fertilizer special for sunflowers according to claim 2, wherein the zinc fertilizer comprises zinc sulfate, and the boron fertilizer comprises borax.
7. The fertilizer special for sunflower according to claim 1, wherein the bio-organic fertilizer contains beneficial bacteria, the beneficial bacteria in the bio-organic fertilizer are more than or equal to 2 hundred million/g, and the beneficial bacteria comprise trichoderma harzianum and bacillus subtilis.
8. The method for preparing the fertilizer special for sunflowers as claimed in any one of claims 1 to 7, which is characterized by comprising the steps of mixing and granulating the nitrogenous fertilizer, the phosphate fertilizer, the potash fertilizer, the zinc fertilizer, the boron fertilizer and the urease inhibitor, and then mixing the granulated mixture with the biological organic fertilizer to obtain the fertilizer special for sunflowers.
9. The method for applying the fertilizer special for sunflowers according to any one of claims 1 to 7, wherein the fertilizer special for sunflowers is applied as a base fertilizer at one time under seeds or 5 to 10cm from the sides.
10. The application method of claim 9, wherein the application amount of the special fertilizer for sunflower is 600-750 kg/hm2。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860970A (en) * | 2021-08-09 | 2021-12-31 | 辽宁瑞晟有机肥有限公司 | Efficient organic fertilizer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580433A (en) * | 2008-05-13 | 2009-11-18 | 张道军 | Preparation method for yield-increasing fertilizer for sunflowers |
| CN104262054A (en) * | 2014-09-29 | 2015-01-07 | 五原县润泽生物科技有限责任公司 | Microbial organic fertilizer capable of preventing sunflower diseases and preparation method thereof |
| CN107141128A (en) * | 2017-06-29 | 2017-09-08 | 隆林惠侬农业科技有限公司 | A kind of sunflower special fertilizer |
| CN109678623A (en) * | 2019-01-18 | 2019-04-26 | 北京市土肥工作站 | Sunflower special-purpose control-release fertilizer |
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2021
- 2021-05-14 CN CN202110526304.1A patent/CN113061065A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580433A (en) * | 2008-05-13 | 2009-11-18 | 张道军 | Preparation method for yield-increasing fertilizer for sunflowers |
| CN104262054A (en) * | 2014-09-29 | 2015-01-07 | 五原县润泽生物科技有限责任公司 | Microbial organic fertilizer capable of preventing sunflower diseases and preparation method thereof |
| CN107141128A (en) * | 2017-06-29 | 2017-09-08 | 隆林惠侬农业科技有限公司 | A kind of sunflower special fertilizer |
| CN109678623A (en) * | 2019-01-18 | 2019-04-26 | 北京市土肥工作站 | Sunflower special-purpose control-release fertilizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860970A (en) * | 2021-08-09 | 2021-12-31 | 辽宁瑞晟有机肥有限公司 | Efficient organic fertilizer and preparation method thereof |
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