CN111269069A - Organic-inorganic high-potassium water-soluble fertilizer and preparation method thereof - Google Patents
Organic-inorganic high-potassium water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN111269069A CN111269069A CN202010213570.4A CN202010213570A CN111269069A CN 111269069 A CN111269069 A CN 111269069A CN 202010213570 A CN202010213570 A CN 202010213570A CN 111269069 A CN111269069 A CN 111269069A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
Abstract
The invention discloses an organic-inorganic high-potassium 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, 5-15 parts of urea, 20-40 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.5-12 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.05-2 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 invention provides an organic-inorganic high-potassium water-soluble fertilizer suitable for leaf surface spraying and irrigation fertilization, which integrates water and fertilizer, has the characteristics of quick and effective nutrition, high absorption and utilization rate and multiple nutrients, 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-inorganic high-potassium 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, especially potassium fertilizer, is not only low in 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-potassium water-soluble fertilizer and a preparation method thereof, solves the problems and is realized by the following technical scheme.
The invention aims to provide an organic and inorganic high-potassium water-soluble fertilizer which is prepared from the following raw materials in parts by weight:
100 parts of biogas slurry, 5-15 parts of urea, 20-40 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.5-12 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.05-2 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 or potassium sulfate.
Preferably, the inhibitor is one or more of dicyandiamide (DCD), 3, 4-dimethylpyrazole phosphate (DMPP) and thiourea.
Preferably, the calcium-, iron-, zinc-, and manganese-chelating agents are EDTA.
The second purpose of the invention is to provide a preparation method of the organic-inorganic high-potassium water-soluble fertilizer, which comprises the following steps:
s1: respectively weighing the following raw materials in parts by weight: 100 parts of biogas slurry, 5-15 parts of urea, 20-40 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.5-12 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.05-2 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-potassium 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 content of potassium and nitrogen in the fertilizer is also improved, and the potassium-rich biogas slurry is rich in potassium element and can be used as a potassium 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, promotes the reduction of the application of potash fertilizer, reduces the input of the potash fertilizer, improves the utilization efficiency of the water and fertilizer and the quality of agricultural products, promotes the water conservation, fertilizer saving, quality improvement and efficiency improvement, and is favorable for solving the problems of soil hardening, acidification and area source pollution caused by the long-term use of a large amount of chemical fertilizer;
(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.
The experimental methods and the detection methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials are commercially available, unless otherwise specified.
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-potassium water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (9.4 g/L of organic matters, 4.2g/L of total nitrogen and 9.5g/L of total potassium), 6.44kg of urea, 21.24kg of potassium sulfate, 360g of chelated calcium, 300g of chelated iron, 150g of chelated zinc, 580g of humic acid, 1.52kg of amino acid, 84g of magnesium sulfate, 50g of chelated manganese, 0.01kg of DCD and 0.01kg of DMPP;
the preparation method of the organic-inorganic high-potassium water-soluble fertilizer comprises the following steps:
the following raw materials are respectively weighed: 100kg of biogas slurry (9.4 g/L of organic matters, 4.2g/L of total nitrogen and 9.5g/L of total potassium), 6.44kg of urea, 21.24kg of potassium sulfate, 360g of chelated calcium, 300g of chelated iron, 150g of chelated zinc, 580g of humic acid, 1.52kg of amino acid, 84g of magnesium sulfate, 50g of chelated manganese, 0.01kg of DCD and 0.01kg of DMPP; 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 2
An organic-inorganic high-potassium water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (5 g/L of organic matters, 10g/L of total nitrogen and 15g/L of total potassium), 5kg of urea, 20kg of potassium sulfate, 100g of chelated calcium, 50g of chelated iron, 30g of chelated zinc, 500g of humic acid, 0.5kg of amino acid, 50g of magnesium sulfate, 20g of chelated manganese and 0.01kg of DCD;
the preparation method of the organic-inorganic high-potassium water-soluble fertilizer comprises the following steps:
the following raw materials are respectively weighed: 100kg of biogas slurry (5 g/L of organic matters, 10g/L of total nitrogen and 15g/L of total potassium), 5kg of urea, 20kg of potassium sulfate, 100g of chelated calcium, 50g of chelated iron, 30g of chelated zinc, 500g of humic acid, 0.5kg of amino acid, 50g of magnesium sulfate, 20g of chelated manganese and 0.01kg of DCD; 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-potassium water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (12 g/L of organic matters, 2g/L of total nitrogen and 3.5g/L of total potassium), 15kg of urea, 40kg of potassium sulfate, 5kg of chelated calcium, 500g of chelated iron, 500g of chelated zinc, 12kg of humic acid, 10kg of amino acid, 2kg of magnesium sulfate, 1kg of chelated manganese and 0.01kg of DCD plus 0.09kg of DMPP;
the preparation method of the organic-inorganic high-potassium water-soluble fertilizer comprises the following steps:
the following raw materials are respectively weighed: 100kg of biogas slurry (12 g/L of organic matters, 2g/L of total nitrogen and 3.5g/L of total potassium), 15kg of urea, 40kg of potassium sulfate, 5kg of chelated calcium, 500g of chelated iron, 500g of chelated zinc, 12kg of humic acid, 10kg of amino acid, 2kg of magnesium sulfate, 1kg of chelated manganese and 0.01kg of DCD plus 0.09kg of DMPP; 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 4
An organic-inorganic high-potassium water-soluble fertilizer is prepared from the following raw materials: 100kg of biogas slurry (6 g/L of organic matters, 4.2g/L of total nitrogen and 8.1g/L of total potassium), 5.15kg of urea, 21.24kg of potassium chloride, 150g of chelated iron, 156g of chelated calcium, 150g of chelated zinc, 520g of humic acid, 750g of amino acid, 55g of magnesium sulfate, 25g of chelated manganese and 0.01kg of DCD + 0.01kg of thiourea;
the preparation method of the organic-inorganic high-potassium water-soluble fertilizer comprises the following steps:
the following raw materials are respectively weighed: 100kg of biogas slurry (6 g/L of organic matters, 4.2g/L of total nitrogen and 8.1g/L of total potassium), 5.15kg of urea, 21.24kg of potassium chloride, 150g of chelated iron, 156g of chelated calcium, 150g of chelated zinc, 520g of humic acid, 750g of amino acid, 55g of magnesium sulfate, 25g of chelated manganese and 0.01kg of DCD + 0.01kg of thiourea; uniformly mixing 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, then adding the biogas slurry, and continuously stirring and mixing.
In order to verify the effect of the organic-inorganic high-potassium water-soluble fertilizer provided by the invention, the fertilizer prepared in example 1 is used for grape cultivation, the fertilizer prepared in example 4 is used for wheat cultivation, and the yield increasing effect is evaluated respectively, specifically as follows:
(1) the organic-inorganic high-potassium water-soluble fertilizer prepared in example 1 is used for grape cultivation, and the yield increase effect is evaluated, and the specific steps are as follows:
in 2018, 40 hectare grape cultivation of the Pianfeng planting professional cooperative and the Jiayuan planting professional cooperative adopts a drip irrigation water and fertilizer integration technology, and the organic-inorganic high-potassium water soluble fertilizer in the embodiment 1 is respectively used in flowering, fruit expanding period and color changing period, wherein the average ear number of the rose is 5.8, the average ear weight is 0.75, 1800 plants are planted per hectare, the yield per unit is 7830 kg per hectare, the yield is increased by 2055 kg per hectare, and the value is increased by 8220 yuan; the average ear number of summer black is 13.2 ears, the average ear weight is 0.95, 1500 plants are planted per hectare, the yield per unit is 18810 kg per hectare, the yield is increased by 2310 kg per hectare, the increment is 11550 yuan, and the social and economic benefits are increased by 112.6 ten thousand yuan.
In addition, analysis of the nutritional ingredients of the product shows that the total acid content of summer black adopting the organic and inorganic high-potassium water-soluble fertilizer in the embodiment 1 is increased by 0.99g/kg, the ascorbic acid content is increased by 4.45mg/100g, and the soluble sugar content is increased by 0.61%; the rose total acid is increased by 0.38g/kg, the ascorbic acid is increased by 3.61mg/100g, and the soluble sugar is increased by 0.95%.
(2) The organic-inorganic high-potassium 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 the water-saving agricultural base in Tong county in 2019 by adopting a drip irrigation and water fertilizer integration mode, a compound fertilizer (20-20-13-7) is used as a base fertilizer, 750 kilograms and 450 kilograms of water-soluble nitrogen fertilizers are used as an additional fertilizer in a drip irrigation and water fertilizer integration mode special for wheat are respectively applied in the green returning period and the booting period, 250 and 450 kilograms of organic and inorganic high-potassium water-soluble fertilizer 300 times of liquid in the embodiment 4 is sprayed on the leaf surfaces in the grouting period, the average yield of 0.58 hectare wheat per unit is 10965 kilograms and hectare, the yield is increased by 21.83 percent compared with that of the conventional fertilizer (300 kilograms of base fertilizer and additional urea/hectare), and the pure nitrogen is saved by 33 kilograms and hectare.
In addition, analysis of the nutritional ingredients of the product shows that the wheat protein is increased by 0.32-1.12% by using the organic-inorganic high-potassium water-soluble fertilizer of example 4.
In conclusion, the organic-inorganic combined high-potassium water-soluble fertilizer prepared by the invention has moderate nutrient proportion, multiple nutrients, quick crop absorption and high nutrient utilization rate; the fertilizer has multiple use modes, can adopt field crops and facility agriculture of 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 beneficial to realizing the integration of water and fertilizer in crop production, promotes the reduction of potassium fertilizer application, reduces the input of potassium fertilizer, improves the utilization efficiency of water and fertilizer and the quality of agricultural products, promotes the water conservation, fertilizer saving, quality improvement and efficiency improvement. 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-potassium water-soluble fertilizer is characterized by being prepared from the following raw materials in parts by weight:
100 parts of biogas slurry, 5-15 parts of urea, 20-40 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.5-12 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.05-2 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-potassium water-soluble fertilizer as claimed in claim 1, wherein the organic matter content in 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-potassium water-soluble fertilizer according to claim 1, wherein the inorganic potassium salt is potassium chloride and/or potassium sulfate.
4. The organic-inorganic high-potassium water-soluble fertilizer according to claim 1, wherein the inhibitor is one or more of dicyandiamide, 3, 4-dimethylpyrazole phosphate and thiourea.
5. The organic-inorganic high-potassium 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-potassium water-soluble fertilizer as claimed in any one of claims 1 to 5, comprising the following steps:
s1: respectively weighing the following raw materials in parts by weight: 100 parts of biogas slurry, 5-15 parts of urea, 20-40 parts of inorganic potassium salt, 0.01-0.1 part of inhibitor, 0.5-12 parts of humic acid, 0.5-10 parts of amino acid, 0.1-5 parts of chelated calcium, 0.05-2 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-potassium water-soluble fertilizer.
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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 |
| CN105801321A (en) * | 2016-05-23 | 2016-07-27 | 魏占波 | Organic-inorganic liquid water-soluble fertilizer |
| CN106748430A (en) * | 2016-12-06 | 2017-05-31 | 北京天极视讯科技发展有限公司 | A kind of humic acid Water soluble fertilizer and preparation method thereof |
| CN108314536A (en) * | 2018-03-27 | 2018-07-24 | 贵州茅台酒厂（集团）绿生有机肥有限责任公司 | A method of producing Liquid Fertilizer using biogas slurry |
| 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 CN202010213570.4A patent/CN111269069A/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 |
| CN105801321A (en) * | 2016-05-23 | 2016-07-27 | 魏占波 | Organic-inorganic liquid water-soluble fertilizer |
| CN106748430A (en) * | 2016-12-06 | 2017-05-31 | 北京天极视讯科技发展有限公司 | A kind of humic acid Water soluble fertilizer and preparation method thereof |
| CN108314536A (en) * | 2018-03-27 | 2018-07-24 | 贵州茅台酒厂（集团）绿生有机肥有限责任公司 | A method of producing Liquid Fertilizer using biogas slurry |
| 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 |
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