CN111377777A - Organic and inorganic high-nitrogen water-soluble fertilizer and preparation method thereof - Google Patents
Organic and inorganic high-nitrogen water-soluble fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN111377777A CN111377777A CN202010214453.XA CN202010214453A CN111377777A CN 111377777 A CN111377777 A CN 111377777A CN 202010214453 A CN202010214453 A CN 202010214453A CN 111377777 A CN111377777 A CN 111377777A
- Authority
- CN
- China
- Prior art keywords
- parts
- chelated
- organic
- fertilizer
- soluble fertilizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an organic-inorganic high-nitrogen water-soluble fertilizer and a preparation method thereof, belonging to the technical field of agricultural fertilizers and being prepared from the following raw materials in parts by weight: 100 parts of biogas slurry, 20-50 parts of urea, 12-20 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.2-8 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.02-2 parts of magnesium sulfate, 0.05-0.5 part of chelated iron, 0.03-0.5 part of chelated zinc and 0.02-1 part of chelated manganese; the fertilizer disclosed by the invention has the characteristics of quick nutrition, high absorption and utilization rate, multiple nutrients and the like, and provides soil improvement and nutrient guarantee for high yield of crops, quality improvement and efficiency improvement and green and continuous development of soil environment.
Description
Technical Field
The invention belongs to the technical field of agricultural fertilizers, and particularly relates to an organic and inorganic high-nitrogen water-soluble fertilizer and a preparation method thereof.
Background
China is a big agricultural country and a big fertilizer consumption country, the agricultural water consumption accounts for about 60 percent of the total water consumption, the annual consumption of chemical fertilizers exceeds 6000 million tons, and the utilization rate of the fertilizers is only 30 to 40 percent. Excessive fertilizer use, especially nitrogen fertilizer, not only results in low fertilizer utilization rate, but also causes great environmental hazards, such as lake water eutrophication, red tide phenomenon, soil acidification, groundwater pollution and the like, thereby seriously affecting sustainable development of agriculture, society and ecology.
By means of a pipeline irrigation system and according to the water and fertilizer consumption characteristics and demand rules of crops, the water and fertilizer integrated technology for crops is scientific, reasonable, timely and appropriate for supplying water and nutrients to crops, the water and fertilizer utilization efficiency of crops can be remarkably improved, and the quality improvement and efficiency improvement of crops and the green sustainable development of agricultural environment are realized. However, the conventional fertilizer has poor solubility at present, and impurities after dissolution easily cause the problems of blockage of water pipelines and spray drippers and the like.
The water-soluble fertilizer can solve the problem of poor solubility of the fertilizer, but the water-soluble fertilizer is still in the initial development stage at present, so that the problem of poor fertilizer effect is generally existed; in addition, the price is very expensive, according to market survey of Shandong Shouguang, products such as Purhodan, Kangpo Taike, Israel Haimao and the like exist in the water-soluble fertilizer at present, products of enterprises such as Shanghai Fangdian, Shenzhen Botian and the like exist in China, the highest zero-selling price of the imported water-soluble fertilizer exceeds 4 ten thousand yuan/ton, and generally about 3 ten thousand yuan/ton. Therefore, the development of the efficient and economic water-soluble fertilizer has very wide market prospect.
Disclosure of Invention
The invention provides an organic and inorganic high-nitrogen water-soluble fertilizer and a preparation method thereof, and solves the technical problems.
The invention aims to provide an organic and inorganic high-nitrogen water-soluble fertilizer which is prepared from the following raw materials in parts by weight:
100 parts of biogas slurry, 20-50 parts of urea, 12-20 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.2-8 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.02-2 parts of magnesium sulfate, 0.05-0.5 part of chelated iron, 0.03-0.5 part of chelated zinc and 0.02-1 part of chelated manganese.
Preferably, the organic matter content of the biogas slurry is 5-12 g/L, the total nitrogen content is 2-10 g/L, and the total potassium content is 3.5-15 g/L.
Preferably, the inorganic potassium salt is potassium chloride and/or potassium sulfate.
Preferably, the inhibitor is one or more of dicyandiamide (DCD), 3, 4-dimethylpyrazole phosphate (DMPP), thiourea and Polyaspartic Acid (PASP).
Preferably, the calcium-, iron-, zinc-and manganese-chelating agents are all EDTA.
The second purpose of the invention is to provide a preparation method of the organic-inorganic high-nitrogen water-soluble fertilizer, which comprises the following steps:
s1: respectively weighing the following raw materials in parts by weight: 100 parts of biogas slurry, 20-50 parts of urea, 12-20 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.2-8 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.02-2 parts of magnesium sulfate, 0.05-0.5 part of chelated iron, 0.03-0.5 part of chelated zinc and 0.02-1 part of chelated manganese;
s2: uniformly mixing the urea, the inorganic potassium salt, the inhibitor, the humic acid, the amino acid, the chelated calcium, the magnesium sulfate, the chelated iron, the chelated zinc and the chelated manganese weighed in the S1, adding the biogas slurry, and continuously stirring and mixing to obtain the organic and inorganic high-nitrogen water-soluble fertilizer.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention takes biogas slurry as a main component, the biogas slurry is liquid formed by fermenting organic substances, contains various amino acid chloride, vitamins, proteins, auxin, saccharides, nucleic acid, antibiotics and other nutrient substances, is multi-element in nutrition, and can provide basic nutrition guarantee for crops; inorganic sylvite and urea with high solubility are added into the biogas slurry, so that the high water solubility of the fertilizer is ensured, the potassium and nitrogen contents of the fertilizer are also improved, and the fertilizer is rich in nitrogen elements and can be used as a nitrogen fertilizer; after the fertilizer is applied to soil, the inhibitor can reduce the generation and accumulation of nitrate nitrogen in the soil, thereby reducing the loss of nitrogen in the form of nitrate nitrogen and the influence on the ecological environment, and can also retard the hydrolysis speed of urea in the soil and reduce the volatilization loss of ammonia to the atmosphere by inhibiting the activity of soil urease; humic acid can promote root growth, improve crop stress resistance, supplement and add amino acid, on the basis of the above-mentioned components, further guarantee the high quality of the crop; on the basis of the nutrient components, the addition of the medium and trace elements can further meet the requirement of healthy growth of crops, and the medium and trace elements exist in a chelated state, so that the medium and trace elements can be prevented from reacting with phosphate radicals, sulfate radicals and the like in soil to form insoluble salt, and soil hardening is effectively prevented;
(2) the fertilizer can adopt field crops and facility agriculture with irrigation saving facilities such as ground micro-sprinkling irrigation, drip irrigation and the like, can also carry out foliar fertilization in the key period of crop growth, is favorable for realizing the integration of water and fertilizer in crop production, promoting the reduction of the application of nitrogen fertilizer, reducing the input of nitrogen fertilizer, improving the utilization efficiency of water and fertilizer and the quality of agricultural products, promoting the water conservation, fertilizer saving, quality improvement and efficiency improvement, and is favorable for solving the problems of soil hardening, acidification and surface source pollution caused by the long-term use of a large amount of chemical fertilizers;
(3) the invention effectively utilizes biogas slurry, has wide raw material sources, greatly reduces the cost of the fertilizer, combines the high-efficiency utilization of organic waste resources with the reduced application and high-efficiency utilization of chemical fertilizers, reduces the agricultural environment risk and realizes the quality improvement and efficiency improvement of agricultural product production.
Detailed Description
In order to make the technical solutions of the present invention better understood and enable those skilled in the art to practice the present invention, the following examples and data are provided for further illustration, but the examples are not intended to limit the present invention.
In the following examples, the chelating agents for calcium chelate, iron chelate, zinc chelate and manganese chelate are all EDTA (ethylenediaminetetraacetic acid).
Example 1
An organic-inorganic high-nitrogen water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (7.4 g/L of organic matters, 5.6g/L of total nitrogen and 8.2g/L of total potassium), 28.95kg of urea, 14.16kg of potassium sulfate, 0.5kg of humic acid, 0.75kg of amino acid, 0.15kg of chelated calcium, 0.05kg of magnesium sulfate, 0.05kg of chelated iron, 0.05kg of chelated zinc, 0.025kg of chelated manganese and 0.01kg of DCD plus DMPP0.02kg.
The preparation method of the organic-inorganic high-nitrogen water-soluble fertilizer comprises the following steps:
100kg of biogas slurry (7.4 g/L of organic matters, 5.6g/L of total nitrogen and 8.2g/L of total potassium), 28.95kg of urea, 14.16kg of potassium sulfate, 0.5kg of humic acid, 0.75kg of amino acid, 0.15kg of chelated calcium, 0.05kg of magnesium sulfate, 0.05kg of chelated iron, 0.05kg of chelated zinc, 0.025kg of chelated manganese and 0.01kg of DCD plus 0.02kg of DMPP are respectively weighed; the urea, potassium sulfate, DCD, DMPP, humic acid, amino acid, chelated calcium, magnesium sulfate, chelated iron, chelated zinc and chelated manganese are uniformly mixed, and then the biogas slurry is added to continue to be stirred and mixed.
Example 2
An organic-inorganic high-nitrogen water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (5 g/L of organic matters, 2g/L of total nitrogen and 3.5g/L of total potassium), 20kg of urea, 12kg of potassium sulfate, 0.2kg of humic acid, 0.5kg of amino acid, 0.1kg of chelated calcium, 0.1kg of magnesium sulfate, 0.1kg of chelated iron, 0.03kg of chelated zinc, 0.02kg of chelated manganese and 0.01kg of DCD.
The preparation method of the organic-inorganic high-nitrogen water-soluble fertilizer comprises the following steps:
100kg of biogas slurry (5 g/L of organic matters, 2g/L of total nitrogen and 3.5g/L of total potassium), 20kg of urea, 12kg of potassium sulfate, 0.2kg of humic acid, 0.5kg of amino acid, 0.1kg of chelated calcium, 0.1kg of magnesium sulfate, 0.1kg of chelated iron, 0.03kg of chelated zinc, 0.02kg of chelated manganese and 0.01kg of DCD are respectively weighed; the urea, the potassium sulfate, the inhibitor, the humic acid, the amino acid, the chelated calcium, the magnesium sulfate, the chelated iron, the chelated zinc and the chelated manganese are uniformly mixed, and then the biogas slurry is added to be continuously stirred and mixed.
Example 3
An organic-inorganic high-nitrogen water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (12 g/L of organic matters, 10g/L of total nitrogen and 15g/L of total potassium), 50kg of urea, 20kg of potassium sulfate, 8kg of humic acid, 10kg of amino acid, 5kg of chelated calcium, 2kg of magnesium sulfate, 0.5kg of chelated iron, 0.5kg of chelated zinc, 1kg of chelated manganese and 0.01kg of DCD plus 0.09kg of DMPP.
The preparation method of the organic-inorganic high-nitrogen water-soluble fertilizer comprises the following steps:
100kg of biogas slurry (12 g/L of organic matters, 10g/L of total nitrogen and 15g/L of total potassium), 50kg of urea, 20kg of potassium sulfate, 8kg of humic acid, 10kg of amino acid, 5kg of chelated calcium, 2kg of magnesium sulfate, 0.5kg of chelated iron, 0.5kg of chelated zinc, 1kg of chelated manganese and 0.01kg of DCD + 0.09kg are respectively weighed, the urea, the potassium sulfate, the inhibitor, the humic acid, the amino acid, the chelated calcium, the magnesium sulfate, the chelated iron, the chelated zinc and the chelated manganese are uniformly mixed, and then the biogas slurry is added and continuously stirred and mixed.
Example 4
An organic-inorganic high-nitrogen water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (10 g/L of organic matters, 5.4g/L of total nitrogen and 7.9g/L of total potassium), 29.10kg of urea, 14.20kg of potassium chloride, 0.25kg of humic acid, 0.5kg of amino acid, 0.12kg of chelated calcium, 0.02kg of magnesium sulfate, 0.05kg of chelated iron, 0.05kg of chelated zinc, 0.025kg of chelated manganese and 0.01kg of DCD plus 0.01kg of thiourea.
The preparation method of the organic-inorganic high-nitrogen water-soluble fertilizer comprises the following steps:
100kg of biogas slurry (10 g/L of organic matters, 5.4g/L of total nitrogen and 7.9g/L of total potassium), 29.10kg of urea, 14.20kg of potassium chloride, 0.25kg of humic acid, 0.5kg of amino acid, 0.12kg of chelated calcium, 0.02kg of magnesium sulfate, 0.05kg of chelated iron, 0.05kg of chelated zinc, 0.025kg of chelated manganese and 0.01kg of DCD plus 0.01kg of thiourea are respectively weighed, the urea, the potassium chloride, the inhibitor, the humic acid, the amino acid, the chelated calcium, the magnesium sulfate, the chelated iron, the chelated zinc and the chelated manganese are uniformly mixed, and then the biogas slurry is added and continuously stirred and mixed.
Example 5
An organic-inorganic high-nitrogen water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (10 g/L of organic matter, 5.6g/L of total nitrogen and 8.2g/L of total potassium), 38.6kg of urea, 14.16kg of potassium sulfate, 0.25kg of humic acid, 0.5kg of amino acid, 0.12kg of chelated calcium, 0.02kg of chelated magnesium, 0.05kg of chelated iron, 0.05kg of chelated zinc, 0.025kg of chelated manganese, 0.01kg of DCD and 0.02kg of PASP.
The preparation method of the organic-inorganic high-nitrogen water-soluble fertilizer comprises the following steps:
100kg of biogas slurry (10 g/L of organic matters, 5.6g/L of total nitrogen and 8.2g/L of total potassium), 38.6kg of urea, 14.16kg of potassium sulfate, 0.25kg of humic acid, 0.5kg of amino acid, 0.12kg of chelated calcium, 0.02kg of chelated magnesium, 0.05kg of chelated iron, 0.05kg of chelated zinc, 0.025kg of chelated manganese and 0.01kg of DCD plus 0.02kg of PASP are respectively weighed, the urea, the potassium sulfate, the DCD, the PASP, the humic acid, the amino acid, the chelated calcium, the magnesium sulfate, the chelated iron, the chelated zinc and the chelated manganese are uniformly mixed, and then the biogas slurry is added and continuously stirred and mixed.
In order to verify the effect of the organic-inorganic high-nitrogen water-soluble fertilizer, the high-nitrogen water-soluble fertilizer prepared in example 1 is used for cultivating late flowering cabbage, the high-nitrogen water-soluble fertilizer prepared in example 4 is used for planting wheat, and the high-nitrogen water-soluble fertilizer prepared in example 5 is used for cultivating flowering cabbage, and the yield increase effect is evaluated as follows:
(1) the high-nitrogen water-soluble fertilizer prepared in the example 1 is used for cultivating the heart of the slow flowering cabbage, and the yield increasing effect is evaluated, and the method specifically comprises the following steps:
planting the Changcheng Xin in the autumn garden of the Pingcheng in 2018, using 3000 kilograms of plant ash/hectare as a base fertilizer and 750 kilograms of sulfur-based compound fertilizer (25-12-8)/hectare as a sulfur-based compound fertilizer, after deep ploughing and soil preparation, transplanting pot seedlings, integrating water and fertilizer through micro-spray irrigation, applying fertilizer for 5 times totally, spraying 300 kilograms of organic and inorganic high-nitrogen water-soluble fertilizer special for the Xin in example 1 for the first time 15-20 days after transplantation, and converting 30 kilograms of pure nitrogen into 30 kilograms/hectare; then, the organic-inorganic high-nitrogen water-soluble fertilizer special for late vegetables in the embodiment 1 is sprayed for 1 time every 10 to 15 days, wherein the content of 450-600 kg of organic-inorganic high-nitrogen water-soluble fertilizer per hectare is reduced to 45 to 60 kg of pure nitrogen per hectare; in 2018, the average unit yield of 150 mu Zengcheng slow flowering Chinese flowering cabbage is 22400 kg/hectare, compared with the conventional fertilization (base fertilizer and 1800 kg compound fertilizer dressing), the yield is increased by 1775.25 kg/hectare, and the nitrogen fertilizer is saved by more than 30%.
(2) The high-nitrogen water-soluble fertilizer prepared in the example 4 is used for wheat planting, and the yield increasing effect is evaluated, and the method specifically comprises the following steps:
zheng wheat 369 is planted in Tong county water-saving agricultural base in 2019 by adopting a drip irrigation and water fertilizer integration mode, 750 kilograms of organic-inorganic compound fertilizer (20-20-13-7) are used as base fertilizer, 750 kilograms of organic-inorganic high-nitrogen water-soluble fertilizer special for wheat in example 4 is used as additional fertilizer in a drip irrigation and water fertilizer integration mode, 750 kilograms and 225 kilograms of organic-inorganic high-nitrogen water-soluble fertilizer are applied to wheat in a green returning period and a booting period respectively, 10965 kilograms per hectare is average yield of wheat in 0.58 hectare is increased by 21.83 percent compared with conventional fertilizer application (300 kilograms of base fertilizer and 300 kilograms of urea applied to hectare), and 33 kilograms of pure nitrogen is saved.
(3) The high-nitrogen water-soluble fertilizer prepared in the example 5 is used for cultivating the flowering cabbage, and the yield increasing effect is evaluated, and the method specifically comprises the following steps:
planting Guangdong flowering cabbage in the autumn garden of Pingyuan in 2018, using 15 tons of chicken manure per hectare as a base fertilizer, 750 kilograms of sulfur-based compound fertilizer (25-8-15) per hectare as a sulfur-based compound fertilizer and 3 true leaves as a base fertilizer, and spraying 300 kilograms of the inorganic high-nitrogen water-soluble fertilizer special for flowering cabbage of the embodiment 5 per hectare every 7-10 days through micro-sprinkling irrigation water-fertilizer integration, wherein the pure nitrogen is converted into 30 kilograms per hectare; bud emergence and harvest are key periods for forming the flowering Chinese cabbage, and 450 kg/hectare of the organic-inorganic high-nitrogen water-soluble fertilizer special for flowering Chinese cabbage is sprayed every 7 days through micro-sprinkling irrigation and water-fertilizer integration, which is converted into 45 kg/hectare of pure nitrogen. In 2018, the average yield per unit of 120 mu of flowering cabbage is 8900 kg/hectare, compared with the conventional fertilization (base fertilizer and 1800 kg of compound fertilizer dressing), the yield is increased by 950.25 kg/hectare, and the nitrogen fertilizer is saved by more than 30%.
The application effects show that the organic-inorganic combined high-nitrogen water-soluble fertilizer provided by the invention can be used for field crop and facility agriculture adopting irrigation-saving facilities such as ground micro-sprinkling irrigation, drip irrigation and the like, and can also be used for foliar fertilization in the key period of crop growth, so that the integration of crop production and water and fertilizer is favorably realized, the reduction of nitrogen fertilizer application is promoted, the nitrogen fertilizer input is reduced, the water and fertilizer utilization efficiency and the quality of agricultural products are improved, and the water saving, fertilizer saving, quality improvement and efficiency improvement are promoted. In addition, the raw material source is wide, and the fertilizer cost is effectively reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that such changes and modifications be included within the scope of the appended claims and their equivalents.
Claims (6)
1. The organic and inorganic high-nitrogen water-soluble fertilizer is characterized by being prepared from the following raw materials in parts by weight:
100 parts of biogas slurry, 20-50 parts of urea, 12-20 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.2-8 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.02-2 parts of magnesium sulfate, 0.05-0.5 part of chelated iron, 0.03-0.5 part of chelated zinc and 0.02-1 part of chelated manganese.
2. The organic-inorganic high-nitrogen water-soluble fertilizer as claimed in claim 1, wherein the organic matter content of the biogas slurry is 5-12 g/L, the total nitrogen content is 2-10 g/L, and the total potassium content is 3.5-15 g/L.
3. The organic-inorganic high-nitrogen water-soluble fertilizer according to claim 1, wherein the inorganic potassium salt is potassium chloride and/or potassium sulfate.
4. The organic-inorganic high-nitrogen water-soluble fertilizer according to claim 1, wherein the inhibitor is one or more of dicyandiamide, 3, 4-dimethylpyrazole phosphate, thiourea and polyaspartic acid.
5. The organic-inorganic high-nitrogen water-soluble fertilizer according to claim 1, wherein the chelating agents for calcium, iron, zinc and manganese are all EDTA.
6. The preparation method of the organic-inorganic high-nitrogen water-soluble fertilizer as claimed in any one of claims 1 to 5, characterized by comprising the following steps:
s1: respectively weighing the following raw materials in parts by weight: 100 parts of biogas slurry, 20-50 parts of urea, 12-20 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.2-8 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.02-2 parts of magnesium sulfate, 0.05-0.5 part of chelated iron, 0.03-0.5 part of chelated zinc and 0.02-1 part of chelated manganese;
s2: uniformly mixing the urea, the inorganic potassium salt, the inhibitor, the humic acid, the amino acid, the chelated calcium, the magnesium sulfate, the chelated iron, the chelated zinc and the chelated manganese weighed in the S1, adding the biogas slurry, and continuously stirring and mixing to obtain the organic and inorganic high-nitrogen water-soluble fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214453.XA CN111377777A (en) | 2020-03-24 | 2020-03-24 | Organic and inorganic high-nitrogen water-soluble fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214453.XA CN111377777A (en) | 2020-03-24 | 2020-03-24 | Organic and inorganic high-nitrogen water-soluble fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111377777A true CN111377777A (en) | 2020-07-07 |
Family
ID=71213818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010214453.XA Pending CN111377777A (en) | 2020-03-24 | 2020-03-24 | Organic and inorganic high-nitrogen water-soluble fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111377777A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219596A (en) * | 2011-04-02 | 2011-10-19 | 山东省农业科学院农业资源与环境研究所 | Biogas slurry drip irrigation fertilizer and preparation method thereof |
| CN105254367A (en) * | 2015-09-24 | 2016-01-20 | 张杰武 | Method used for preparing drip-irrigation special-purpose fertilizer from biogas slurry |
| CN105801321A (en) * | 2016-05-23 | 2016-07-27 | 魏占波 | Organic-inorganic liquid water-soluble fertilizer |
| CN106892746A (en) * | 2017-02-20 | 2017-06-27 | 深圳市海吉星环保有限责任公司 | A kind of efficient biogas slurry fertilizer and preparation method thereof |
| CN108658709A (en) * | 2018-06-25 | 2018-10-16 | 南安市昊天工业设计有限公司 | High-efficient liquid fertilizer and preparation method thereof |
-
2020
- 2020-03-24 CN CN202010214453.XA patent/CN111377777A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219596A (en) * | 2011-04-02 | 2011-10-19 | 山东省农业科学院农业资源与环境研究所 | Biogas slurry drip irrigation fertilizer and preparation method thereof |
| CN105254367A (en) * | 2015-09-24 | 2016-01-20 | 张杰武 | Method used for preparing drip-irrigation special-purpose fertilizer from biogas slurry |
| CN105801321A (en) * | 2016-05-23 | 2016-07-27 | 魏占波 | Organic-inorganic liquid water-soluble fertilizer |
| CN106892746A (en) * | 2017-02-20 | 2017-06-27 | 深圳市海吉星环保有限责任公司 | A kind of efficient biogas slurry fertilizer and preparation method thereof |
| CN108658709A (en) * | 2018-06-25 | 2018-10-16 | 南安市昊天工业设计有限公司 | High-efficient liquid fertilizer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101100404B (en) | Liquid type tea leaf surface composite fertilizer and preparation method thereof | |
| CN103936500B (en) | For improving the Ru 2006101161 of field planting pear tree resistance | |
| CN101665390B (en) | Suspension type liquid compound fertilizer and preparation method thereof | |
| CN102936165B (en) | Special compound fertilizer for eucalyptus | |
| CN109704876B (en) | Water-soluble fertilizer synergistic composition and preparation method and application thereof | |
| CN104326847A (en) | Long-acting nitrogen-rich rice special organic fertilizer and preparation method thereof | |
| CN109809919A (en) | A kind of liquid fertilizer and preparation method thereof based on biogas slurry | |
| CN107935668A (en) | It is a kind of to be used to improve blade face preparation of crop anti-adversity and preparation method thereof | |
| CN111233585A (en) | Special water-soluble fertilizer for high-quality wheat and preparation method thereof | |
| CN104478576A (en) | Special multi-nutrition full-water-soluble serial fertilizer for bananas | |
| CN105061077A (en) | Special water-soluble fertilizer series for red jujubes and preparation method thereof | |
| CN103694038A (en) | Value-added humic acid urea and preparation method thereof | |
| CN108191581A (en) | A kind of biological organic drip irrigation fertilizer and preparation method thereof | |
| CN104860746A (en) | Controlled-release composite fertilizer for paddy rice and preparation method thereof | |
| CN104892206A (en) | High-concentration low-temperature-resistant liquid phosphorus-potassium fertilizer and preparation method thereof | |
| CN103724117B (en) | Special slow-release organic fertilizer for potato and a preparation method thereof | |
| CN103404284A (en) | Fertilizing method for bananas | |
| CN111410572A (en) | Water-fertilizer integrated drip irrigation water-soluble fertilizer for corn and fertilizing method | |
| CN105541436A (en) | Multi-nutrient liquid compound fertilizer | |
| CN111377777A (en) | Organic and inorganic high-nitrogen water-soluble fertilizer and preparation method thereof | |
| CN107827680A (en) | A kind of zinc-base activated water-soluble compound trace element fertilizer and preparation method thereof | |
| CN103553752B (en) | A kind of potato acidic liquid drip irrigation fertilizer and preparation method thereof | |
| CN107573157A (en) | A kind of preparation method of the water-soluble fertilizer of element type containing amino acid calcium | |
| CN107311754A (en) | A kind of high phosphorus height potassium type Liquid Fertilizer and preparation method thereof | |
| CN111269069A (en) | Organic-inorganic high-potassium water-soluble fertilizer and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200707 |
|
| RJ01 | Rejection of invention patent application after publication |