CN111592429A - Vegetable water culture nutrient solution containing amino acids as well as preparation method and application of vegetable water culture nutrient solution - Google Patents
Vegetable water culture nutrient solution containing amino acids as well as preparation method and application of vegetable water culture nutrient solution Download PDFInfo
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Abstract
The invention provides a vegetable water culture nutrient solution containing amino acids as well as a preparation method and application thereof, belonging to the field of plant growth. The invention provides an organic and inorganic composite nutrient solution, which breaks through the conventional pure inorganic mineral nutrient solution and is supplemented with organic components, such as amino acid; contains compound amino acid, has fertilizer efficiency greater than that of simple substance amino acid, and has the effects of strengthening root system, promoting greening, increasing tillering and improving stress resistance, thereby improving crop yield; amino acid has special promotion effect on the root system development of crops, can be directly absorbed by the root system in a complete molecular form, is assimilated in the crop body through transamination, deamination and other processes to synthesize protein or form metabolic energy, and simultaneously form organic acid, sugar and other nutritional products.
Description
Technical Field
The invention relates to the technical field of plant growth, in particular to a vegetable water culture nutrient solution containing amino acid and a preparation method and application thereof.
Background
The nutrient solution is a key technology in water culture planting and plays a decisive role in the growth quality of vegetables. The root system state reflects the growth trend of vegetables, and the general water culture fertilizer is completely mineral inorganic nutrition and has weak root growth promoting effect. Some fertilizer manufacturers add hormone rooting agents for blindly pursuing rooting, and deviate from the food safety concept. And the nitrogen of the pure inorganic fertilizer is mainly nitrate, the nitrate content of the hydroponic vegetables is high, and after being taken by a human body, the nitrites are generated through denitrification, so that the pure inorganic fertilizer is not beneficial to the health of the human body. The problems of the water culture fertilizer are urgently solved, and the development of the water culture vegetables towards the green and healthy direction can be promoted.
Disclosure of Invention
In view of the above, the invention aims to provide an amino acid-containing vegetable water culture nutrient solution, and a preparation method and application thereof. The invention combines amino acid and inorganic nutrition to obtain the vegetable water culture nutrient solution containing the amino acid so as to meet the requirement of safe water culture.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a vegetable water culture nutrient solution containing amino acids, which comprises the following elements in concentration: 43.29-72.15 g/L of nitrogen, 16.63-27.72 g/L of phosphorus, 67.13-111.88 g/L of potassium, 29.661-49.43 g/L of calcium, 8.519-14.2 g/L of magnesium, 0.697-1.161 g/L of iron, 0.187-0.311 g/L of manganese, 0.178-0.297 g/L of boron, 0.018-0.03 g/L of zinc, 0.007-0.012 g/L of copper and 0.004-0.006 g/L of molybdenum, wherein the concentration of organic nitrogen in nitrogen is 2.16-3.6 g/L, the concentration of chelated calcium in calcium is 4.32-7.2 g/L, and the vegetable water-culture nutrient solution contains amino acid.
Preferably, the following concentrations of elements are included: 48.10g/L of nitrogen, 18.48g/L of phosphorus, 74.59g/L of potassium, 32.96g/L of calcium, 9.47g/L of magnesium, 0.774g/L of iron, 0.207g/L of manganese, 0.198g/L of boron, 0.02g/L of zinc, 0.008g/L of copper and 0.004g/L of molybdenum, wherein the concentration of organic nitrogen in nitrogen is 2.4g/L, and the concentration of chelated calcium in calcium is 4.8 g/L.
The invention also provides a preparation method of the vegetable water culture nutrient solution, which comprises the following steps:
mixing amino acid solution, sugar alcohol calcium, calcium nitrate, potassium nitrate, EDTA-Fe and water to obtain solution A;
mixing monoammonium phosphate, monopotassium phosphate, ammonium sulfate, anhydrous magnesium sulfate, manganese sulfate, boric acid, zinc sulfate, copper sulfate, ammonium molybdate and water to obtain solution B;
and respectively preserving the solution A and the solution B, and then packaging to obtain the vegetable water culture nutrient solution.
Preferably, the amino acid solution is a compound amino acid, and the content of free amino acid in the amino acid solution is more than 300 g/L.
Preferably, the amino acid solution comprises glutamic acid, proline, glycine, alanine, serine, aspartic acid, threonine, cystine, valine, methionine, isoleucine, leucine, phenylalanine, lysine, histidine and arginine.
The invention also provides an application of the vegetable water culture nutrient solution, and the vegetable water culture nutrient solution is diluted by 200-500 times and then is used for water culture of plants.
Preferably, the dilution is to mix the hemihydrate and the solution A uniformly by stirring, and then add the solution B to the dilution ratio.
The invention provides a vegetable water culture nutrient solution containing amino acids, which comprises the following elements in concentration: 43.29-72.15 g/L of nitrogen, 16.63-27.72 g/L of phosphorus, 67.13-111.88 g/L of potassium, 29.661-49.43 g/L of calcium, 8.519-14.2 g/L of magnesium, 0.697-1.161 g/L of iron, 0.187-0.311 g/L of manganese, 0.178-0.297 g/L of boron, 0.018-0.03 g/L of zinc, 0.007-0.012 g/L of copper and 0.004-0.006 g/L of molybdenum, wherein the concentration of organic nitrogen in nitrogen is 2.16-3.6 g/L, the concentration of chelated calcium in calcium is 4.32-7.2 g/L, and the vegetable water-culture nutrient solution contains amino acid.
Has the advantages that:
1. is an organic and inorganic composite nutrient solution, breaks through the conventional pure inorganic mineral nutrient solution, and is supplemented with organic components, such as amino acid.
2. Contains compound amino acid, has fertilizer efficiency higher than that of simple substance amino acid, and has the effects of strengthening root system, promoting greening, increasing tillering and improving stress resistance, thereby improving crop yield.
3. Amino acid has special promoting effect on the root system development of crops, can be directly absorbed by the root system in a complete molecular form, is assimilated in the crop body through transamination, deamination and other processes to synthesize protein or form metabolic energy, and forms organic acid, sugar and other nutritional products through tricarboxylic acid circulation, glycolysis and other ways, so that the tillering of plants can be increased, the leaf color is changed to green, the root system is robust, and the yield is increased. In addition, the amino acid can promote the activity of nitrate reductase in crop leaves, and can be used as a nitrogen source to partially replace nitrate, so that the content of nitrate in crops can be reduced, and the quality of crops can be improved.
4. Contains sugar alcohol calcium, can be quickly absorbed by crops, and simultaneously prevents the generation of precipitates with phosphate radicals and sulfate radicals, so that the fertilizer efficiency is more stable. On one hand, the sugar alcohol calcium takes mannitol as a carrier of calcium element, and is easy to be absorbed by phloem, so that the sugar alcohol calcium can be absorbed and transported more quickly; on the other hand, the calcium element is in a chelating state, is not easy to generate precipitation with phosphate radical and sulfate radical, keeps the activity of the calcium element and has more stable fertilizer efficiency.
5. The vegetable hydroponic nutrient solution is A, B combined, is different from the conventional A, B, C type, and is simple and convenient to operate.
The invention also provides a preparation method of the vegetable hydroponic nutrient solution containing amino acid, and the two steps of adding the raw materials aim to ensure that the potassium nitrate, the monoammonium phosphate, the monopotassium phosphate and the ammonium sulfate have relatively low solubility, are preferentially added into water, are more easily dissolved at low solute concentration and can accelerate the production speed.
The invention also provides application of the vegetable hydroponic nutrient solution containing amino acid, wherein semi-water and the solution A are stirred and mixed uniformly, and the solution B is added to the mixture to be diluted to a dilution multiple, so that the mixing amount of the solution A and the solution B with high concentration is reduced, the contact area of precipitable elements such as calcium ions, sulfate radicals and phosphate radicals is reduced, the generation of precipitation is prevented, and the fertilizer efficiency is ensured.
Drawings
FIG. 1 is a flow chart of the preparation of an amino acid-containing vegetable hydroponic nutrient solution in an example of the present invention;
FIG. 2 is a diagram showing the cultivation of pakchoi using the amino acid-containing vegetable hydroponic nutrient solution prepared in example 1;
FIG. 3 is a diagram showing the cultivation of pakchoi using the amino acid-containing vegetable hydroponic nutrient solution prepared in example 2;
FIG. 4 is a diagram showing the cultivation of pakchoi using the amino acid-containing vegetable hydroponic nutrient solution prepared in example 3;
FIG. 5 is a diagram showing a case where pakchoi was cultured using the vegetable hydroponic nutrient solution prepared in the comparative example.
Detailed Description
The invention provides a vegetable water culture nutrient solution containing amino acids, which comprises the following elements in concentration: 43.29-72.15 g/L of nitrogen, 16.63-27.72 g/L of phosphorus, 67.13-111.88 g/L of potassium, 29.661-49.43 g/L of calcium, 8.519-14.2 g/L of magnesium, 0.697-1.161 g/L of iron, 0.187-0.311 g/L of manganese, 0.178-0.297 g/L of boron, 0.018-0.03 g/L of zinc, 0.007-0.012 g/L of copper and 0.004-0.006 g/L of molybdenum, wherein the concentration of organic nitrogen in nitrogen is 2.16-3.6 g/L, the concentration of chelated calcium in calcium is 4.32-7.2 g/L, and the vegetable water-culture nutrient solution contains amino acid, preferably comprises the following elements: 48.10g/L of nitrogen, 18.48g/L of phosphorus, 74.59g/L of potassium, 32.96g/L of calcium, 9.47g/L of magnesium, 0.774g/L of iron, 0.207g/L of manganese, 0.198g/L of boron, 0.02g/L of zinc, 0.008g/L of copper and 0.004g/L of molybdenum, wherein the concentration of organic nitrogen in nitrogen is 2.4g/L, and the concentration of chelated calcium in calcium is 4.8 g/L.
The invention also provides a preparation method of the vegetable water culture nutrient solution, which comprises the following steps:
mixing amino acid solution, sugar alcohol calcium, calcium nitrate, potassium nitrate, EDTA-Fe and water to obtain solution A;
mixing monoammonium phosphate, monopotassium phosphate, ammonium sulfate, anhydrous magnesium sulfate, manganese sulfate, boric acid, zinc sulfate, copper sulfate, ammonium molybdate and water to obtain solution B;
and respectively preserving the solution A and the solution B, and then packaging to obtain the vegetable water culture nutrient solution.
In the invention, the amino acid solution is preferably compound amino acid, and the content of free amino acid in the amino acid solution is preferably more than 300 g/L.
In the present invention, the amino acid solution preferably includes glutamic acid, proline, glycine, alanine, serine, aspartic acid, threonine, cystine, valine, methionine, isoleucine, leucine, tyrosine, phenylalanine, lysine, histidine and arginine.
The invention adds raw materials in two steps, and aims to ensure that the potassium nitrate, the monoammonium phosphate, the monopotassium phosphate and the ammonium sulfate have relatively low solubility, are preferentially added into water, are more easily dissolved at low solute concentration and can accelerate the production speed.
The invention also provides an application of the vegetable water culture nutrient solution, and the vegetable water culture nutrient solution is diluted by 200-500 times and then is used for water culture of plants.
In the invention, the dilution is preferably to stir and mix half water and the solution A uniformly, then add the solution B to the dilution ratio, the solution A and the solution B can not be mixed directly, and the separate addition aims to reduce the mixing amount of the solution A and the solution B with high concentration, reduce the contact area of precipitable elements such as calcium ions, sulfate radicals and phosphate radicals, prevent the generation of precipitates and ensure the fertilizer efficiency.
In the invention, after the solution A and the solution B are obtained, the vegetable water culture nutrient solution is used and is ready to use after being prepared.
In the present invention, the application is preferably used for balcony hydroponic facilities, greenhouse hydroponic facilities or plant factories.
To further illustrate the present invention, the amino acid-containing vegetable hydroponics nutrient solution provided by the present invention, and the preparation method and application thereof, will be described in detail with reference to examples, but they should not be construed as limiting the scope of the present invention.
FIG. 1 is a flow chart of the preparation of amino acid-containing vegetable hydroponic nutrient solution in the example of the present invention.
A vegetable water culture nutrient solution containing amino acids is prepared by stirring in a stirring tank. Wherein, the solution A is prepared from amino acid solution, sugar alcohol calcium, calcium nitrate, potassium nitrate and EDTA-Fe, and the solution B is prepared from monoammonium phosphate, monopotassium phosphate, ammonium sulfate, anhydrous magnesium sulfate, manganese sulfate, boric acid, zinc sulfate, copper sulfate, ammonium molybdate and the like. The different embodiments differ in the content of the nutritional ingredients.
Example 1
An amino acid-containing vegetable water culture nutrient solution comprises the following elements in concentration: 43.29g/L of nitrogen (containing 2.16g/L of organic nitrogen), 16.63g/L of phosphorus, 67.13g/L of potassium, 29.661g/L of calcium (containing 4.32g/L of chelated calcium), 8.519g/L of magnesium, 0.697g/L of iron, 0.187g/L of manganese, 0.178g/L of boron, 0.018g/L of zinc, 0.007g/L of copper and 0.004g/L of molybdenum.
Preparation of solution A: weighing potassium nitrate, calcium nitrate and EDTA-Fe according to the formula requirements, adding into a stirring tank, adding water, stirring to dissolve completely, weighing amino acid solution and calcium alditol according to the formula requirements, continuously adding into the stirring tank, and mixing uniformly;
and (3) preparation of a liquid B: weighing monoammonium phosphate nitrate, monopotassium phosphate and ammonium sulfate according to the formula requirements, adding the materials into a stirring tank, adding water, stirring and fully dissolving, weighing anhydrous magnesium sulfate, manganese sulfate, boric acid, zinc sulfate, copper sulfate and ammonium molybdate according to the formula requirements, continuously adding the materials into the stirring tank, and stirring and fully dissolving;
and respectively filling the liquid A and the liquid B into bottles with corresponding specifications by using a semi-automatic racking machine, and packaging.
Example 2:
A. the nutrient content of the solution B is as follows: 48.10g/L of nitrogen (containing 2.4g/L of organic nitrogen), 18.48g/L of phosphorus, 74.59g/L of potassium, 32.96g/L of calcium (containing 4.8g/L of chelated calcium), 9.47g/L of magnesium, 0.774g/L of iron, 0.207g/L of manganese, 0.198g/L of boron, 0.02g/L of zinc, 0.008g/L of copper and 0.004g/L of molybdenum.
The production process was the same as "example 1".
Example 3:
A. the nutrient content of the solution B is as follows: 72.15g/L of nitrogen (containing 3.6g/L of organic nitrogen), 27.72g/L of phosphorus, 111.88g/L of potassium, 49.43g/L of calcium (containing 7.2g/L of chelated calcium), 14.2g/L of magnesium, 1.161g/L of iron, 0.311g/L of manganese, 0.297g/L of boron, 0.03g/L of zinc, 0.012g/L of copper and 0.006g/L of molybdenum.
The production process was the same as "example 1".
And (3) an application test for influencing the growth of the pakchoi.
(1) Materials and methods
Experiment is gone on in the three torch companies laboratories in tomb of south Jing county of Fujian province, adopts family's horticulture formula hydroponic equipment, and every hydroponic equipment has 3 plywoods, and 26 plants are planted to every plywood, water tank volume 24L. The equipment parameters are set as follows: adopting a leaf vegetable mode; the starting time of the lamplight is 7: 00-21: 00; the irrigation time is 15min in the daytime and 15min in intervals, and the irrigation time is 10min at night and 240min in intervals; the water pump is turned on at 8:00 day and 18:00 night.
The water culture crop is Chinese cabbage, which is widely edible vegetable, and the vegetable seedling is purchased in the market and transplanted.
Treatment 1: the nutrient solution for water culture of vegetables in example 1 comprises 43.29g/L of nitrogen (containing 2.16g/L of organic nitrogen), 16.63g/L of phosphorus, 67.13g/L of potassium, 29.661g/L of calcium (containing 4.32g/L of chelated calcium), 8.519g/L of magnesium, 0.697g/L of iron, 0.187g/L of manganese, 0.178g/L of boron, 0.018g/L of zinc, 0.007g/L of copper and 0.004g/L of molybdenum.
Dilution times are as follows: 180-300 times.
And (3) treatment 2: the vegetable water culture nutrient solution of example 2 comprises 48.10g/L of nitrogen (containing 2.4g/L of organic nitrogen), 18.48g/L of phosphorus, 74.59g/L of potassium, 32.96g/L of calcium (containing 4.8g/L of chelated calcium), 9.47g/L of magnesium, 0.774g/L of iron, 0.207g/L of manganese, 0.198g/L of boron, 0.02g/L of zinc, 0.008g/L of copper and 0.004g/L of molybdenum.
Dilution times are as follows: 200 to 330 times.
And (3) treatment: the vegetable water culture nutrient solution of example 3 comprises 72.15g/L nitrogen (containing 3.6g/L organic nitrogen), 27.72g/L phosphorus, 111.88g/L potassium, 49.43g/L calcium (containing 7.2g/L chelated calcium), 14.2g/L magnesium, 1.161g/L iron, 0.311g/L manganese, 0.297g/L boron, 0.03g/L zinc, 0.012g/L copper and 0.006g/L molybdenum.
Dilution times are as follows: 300 to 500 times.
And (4) treatment: comparative example, a conventional pure inorganic fertilizer (containing 26% NPK, 17% Ca, 2% Mg, 0.1% trace elements).
Dilution times are as follows: 400-500 times.
(2) Nutrient solution management and documentation
Working nutrient solution is prepared before transplanting, the operation is convenient, the overflow during the moving equipment is prevented, and each processing water tank can contain 20L of water at most. Taking the same amount of solution A and solution B according to the dilution times of each treatment, adding half water into a water tank, adding solution A, stirring and mixing uniformly, adding solution B, and adding water to a water level of 20L. After two weeks of transplantation, the nutrient solution is supplemented according to half of the dosage of the first nutrient solution.
And monitoring the pH value and EC value of the working nutrient solution in the water culture process. Keeping the pH value within the range of 5.5-6.5, and if the pH value exceeds the range, adjusting the pH value by adding 0.5mol/L sodium hydroxide solution or 0.5mol/L diluted phosphoric acid; keeping the EC value within the range of 1.6-1.8 mS/cm, and if the EC value exceeds the range, adjusting by adding water or nutrient solution.
(3) Harvesting
Harvesting after transplanting for about 20 days, taking 3 plants from each laminate, measuring the plant height, fresh weight, dry weight and root length, and detecting the nitrate content of the plants.
(4) Test results
FIG. 2-5 and Table 1 show the schematic representation of the cultivation of pakchoi with the amino acid-containing vegetable hydroponic nutrient solution prepared in example 1 in FIG. 2; FIG. 3 is a diagram showing the cultivation of pakchoi using the amino acid-containing vegetable hydroponic nutrient solution prepared in example 2; FIG. 4 is a diagram showing the cultivation of pakchoi using the amino acid-containing vegetable hydroponic nutrient solution prepared in example 3; FIG. 5 is a diagram showing a case where pakchoi was cultured using the vegetable hydroponic nutrient solution prepared in the comparative example.
As can be seen from Table 1, compared with the conventional pure inorganic fertilizer (comparative example), the growth traits of the overground part treated by the water culture nutrient solution for various vegetables are better, such as average plant height and fresh weight, particularly the average fresh weight can reach 30.3g when the water culture nutrient solution is treated by 1; in the aspect of 'underground part', the root system treated by the vegetable water culture nutrient solution is thick and dense, the average root length is 23.9-28.1 cm, while the root system treated by the pure inorganic fertilizer is thick and not long, the average root length is 18.7cm, and the amino acid in the vegetable water culture nutrient solution can stimulate the division and growth of meristematic cells at the root end, so that the plant can quickly grow roots, secondary roots are increased, the root system is elongated, the capacity of the crop for absorbing water and nutrients is greatly enhanced, and the growth character of the crop is improved.
Nitrate content is an important index representing the quality of vegetables, and the lower the content, the less the risk of being infused into the human body through vegetables. As can be seen from Table 1, the nitrate content of the pakchoi treated by the vegetable hydroponic nutrient solution provided by the invention is 398-435 mg/kg, while the nitrate content of the conventional pure inorganic fertilizer is 589mg/kg (the nitrate content of the green pollution-free leaf vegetables is less than 3000mg/kg), which indicates that the organic nitrogen in the vegetable hydroponic nutrient solution provided by the invention partially replaces nitrate nitrogen, and the content of the nitrate nitrogen absorbed by the pakchoi is reduced.
In combination with table 1 and fig. 2-5, it can be seen that the vegetable water culture nutrient solution provided by the invention is mainly used for promoting plant growth, especially in example 1. The conventional fertilizer focuses on promoting the luxuriant and dense root system, but has no obvious promoting effect on plant height, fresh weight and root length. In addition, the vegetable water culture nutrient solution disclosed by the invention is low in vegetable nitrate content and is more beneficial to the healthy diet requirement.
TABLE 1 growth characteristics and nitrate content of the differently treated plants
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. The vegetable water culture nutrient solution containing amino acid is characterized by comprising the following elements in concentration: 43.29-72.15 g/L of nitrogen, 16.63-27.72 g/L of phosphorus, 67.13-111.88 g/L of potassium, 29.661-49.43 g/L of calcium, 8.519-14.2 g/L of magnesium, 0.697-1.161 g/L of iron, 0.187-0.311 g/L of manganese, 0.178-0.297 g/L of boron, 0.018-0.03 g/L of zinc, 0.007-0.012 g/L of copper and 0.004-0.006 g/L of molybdenum, wherein the concentration of organic nitrogen in nitrogen is 2.16-3.6 g/L, the concentration of chelated calcium in calcium is 4.32-7.2 g/L, and the vegetable water-culture nutrient solution contains amino acid.
2. The vegetable hydroponics nutrient solution of claim 1, comprising the following concentrations of elements: 48.10g/L of nitrogen, 18.48g/L of phosphorus, 74.59g/L of potassium, 32.96g/L of calcium, 9.47g/L of magnesium, 0.774g/L of iron, 0.207g/L of manganese, 0.198g/L of boron, 0.02g/L of zinc, 0.008g/L of copper and 0.004g/L of molybdenum, wherein the concentration of organic nitrogen in nitrogen is 2.4g/L, and the concentration of chelated calcium in calcium is 4.8 g/L.
3. The method of preparing a hydroponic nutrient solution for vegetables according to claim 1 or 2, comprising the steps of:
mixing amino acid solution, sugar alcohol calcium, calcium nitrate, potassium nitrate, EDTA-Fe and water to obtain solution A;
mixing monoammonium phosphate, monopotassium phosphate, ammonium sulfate, anhydrous magnesium sulfate, manganese sulfate, boric acid, zinc sulfate, copper sulfate, ammonium molybdate and water to obtain solution B;
and respectively preserving the solution A and the solution B, and then packaging to obtain the vegetable water culture nutrient solution.
4. The method according to claim 3, wherein the amino acid solution is a complex amino acid, and the content of free amino acids in the amino acid solution is 300g/L or more.
5. The method according to claim 3 or 4, wherein the amino acid solution comprises glutamic acid, proline, glycine, alanine, serine, aspartic acid, threonine, cystine, valine, methionine, isoleucine, leucine, tyrosine, phenylalanine, lysine, histidine and arginine.
6. The use of the vegetable hydroponics nutrient solution of claim 1 or 2, wherein the vegetable hydroponics nutrient solution is diluted 200-500 times for plant hydroponics.
7. The use of claim 6, wherein the dilution is to mix the hemihydrate and solution A by stirring and then add solution B to the dilution factor.
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| CN112299908A (en) * | 2020-12-01 | 2021-02-02 | 北京市农业技术推广站 | AB fertilizer special for leaf vegetable water culture and preparation method thereof |
| CN115010532A (en) * | 2022-04-20 | 2022-09-06 | 塔里木大学 | Nutrient solution containing organic components and preparation method thereof |
| CN115448774A (en) * | 2022-10-26 | 2022-12-09 | 河北省农林科学院经济作物研究所 | Application of water culture nutrient solution in pepper cultivation |
| CN117185878A (en) * | 2023-11-06 | 2023-12-08 | 海南大学三亚南繁研究院 | Plant nutrient solution and application thereof in dragon fruit cultivation and preparation method thereof |
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| CN112299908A (en) * | 2020-12-01 | 2021-02-02 | 北京市农业技术推广站 | AB fertilizer special for leaf vegetable water culture and preparation method thereof |
| CN115010532A (en) * | 2022-04-20 | 2022-09-06 | 塔里木大学 | Nutrient solution containing organic components and preparation method thereof |
| CN115010532B (en) * | 2022-04-20 | 2023-09-19 | 塔里木大学 | Nutrient solution containing organic components and preparation method thereof |
| CN115448774A (en) * | 2022-10-26 | 2022-12-09 | 河北省农林科学院经济作物研究所 | Application of water culture nutrient solution in pepper cultivation |
| CN115448774B (en) * | 2022-10-26 | 2024-01-30 | 河北省农林科学院经济作物研究所 | Application of water planting nutrient solution in cultivation of peppers |
| CN117185878A (en) * | 2023-11-06 | 2023-12-08 | 海南大学三亚南繁研究院 | Plant nutrient solution and application thereof in dragon fruit cultivation and preparation method thereof |
| CN117185878B (en) * | 2023-11-06 | 2024-02-13 | 海南大学三亚南繁研究院 | Application of plant nutrient solution in shortening root system length of dragon fruit |
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