CN110724000A - Soilless culture nutrient solution and preparation method thereof - Google Patents
Soilless culture nutrient solution and preparation method thereof Download PDFInfo
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Abstract
The invention provides a soilless culture nutrient solution and a preparation method thereof, wherein the nutrient solution comprises A, B, C three groups of mother solutions which are compounded, wherein the A group of mother solutions comprise urea, calcium nitrate, potassium dihydrogen phosphate, magnesium sulfate, calcium chloride, ferric trichloride, borax, fresh agaric, corn straw and oyster; the B group mother liquor comprises manganese sulfate, zinc sulfate, tetrahydrate calcium nitrate, potassium nitrate, diammonium hydrogen phosphate and ammonium nitrate; the group C mother liquor comprises potassium dihydrogen phosphate, potassium sulfate, magnesium sulfate heptahydrate, red rice fermentation liquor, and barley leaching liquor; the soilless culture nutrient solution is green and pollution-free, does not contain any harmful substance, is harmless to human bodies, has higher content of main nutrient components than vegetables cultured in soil, reduces heavy metal pollution, and has very important significance in the aspect of hydroponic vegetables.
Description
Technical Field
The invention relates to the field of crop nutrients, in particular to a soilless culture nutrient solution and a preparation method thereof.
Background
The vegetables are leaf vegetables with tender leaves and petioles as using objects, are various in variety, rich in nutrition, contain chlorophyll, carotenoid, inorganic salt, vitamins and the like, and have strong oxidation resistance, so that the vegetables occupy a great position in daily life and agriculture of people; with the improvement of quality of life, people pursue vegetables such as nutrition and pollution-free vegetables, and our country is still in the research stage from soil cultivation to greenhouse cultivation to soilless nutrient medium cultivation to soilless nutrient solution cultivation, and the cultivated vegetables have certain difference, poor quality and less nutrient components compared with the conventional greenhouse cultivation, and can not meet the pursuit of people for food nutrition at present.
Disclosure of Invention
In view of the above, the present invention provides a soilless culture nutrient solution and a preparation method thereof, which solve the above problems.
The technical scheme of the invention is realized as follows: a soilless culture nutrient solution: comprises A, B, C three groups of mother liquor which are compounded according to the proportion of (0.5-1) to (0.8-1.5) to 1;
the group A mother solution comprises the following raw materials in parts by weight: 100-250 parts of urea, 90-150 parts of calcium nitrate, 50-70 parts of monopotassium phosphate and magnesium sulfate, 32-50 parts of calcium chloride, 20-38 parts of ferric trichloride, 21-35 parts of borax, 17-30 parts of fresh agaric, 20-36 parts of corn straw and 20-45 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 35-39 parts of manganese sulfate, 33-45 parts of zinc sulfate, 28-35 parts of calcium nitrate tetrahydrate, 20-36 parts of potassium nitrate, 45-85 parts of diammonium hydrogen phosphate and 42-65 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 40-85 parts of monopotassium phosphate, 30-70 parts of potassium sulfate, 36-75 parts of magnesium sulfate heptahydrate, 29-55 parts of red rice fermentation liquor and 36-55 parts of barley leaching liquor.
Further, the soilless culture nutrient solution comprises A, B, C three groups of mother solutions which are compounded according to the ratio of 0.8:1.2: 1;
the group A mother solution comprises the following raw materials in parts by weight: 160 parts of urea, 120 parts of calcium nitrate, 60 parts of potassium dihydrogen phosphate and magnesium sulfate, 40 parts of calcium chloride, 29 parts of ferric trichloride, 28 parts of borax, 23 parts of fresh agaric, 28 parts of corn straw and 28 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 37 parts of manganese sulfate, 39 parts of zinc sulfate, 31 parts of tetrahydrate calcium nitrate, 28 parts of potassium nitrate, 65 parts of diammonium hydrogen phosphate and 48 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 62 parts of monopotassium phosphate, 50 parts of potassium sulfate, 55 parts of magnesium sulfate heptahydrate, 42 parts of red rice fermentation liquor and 46 parts of barley leaching liquor.
Further, the preparation method of the soilless culture nutrient solution comprises the steps of pre-freezing fresh agaric powder, corn straw powder and oyster powder in the A group mother solution at-20 to-26 ℃, drying for 10-48 hours at 100-150 ℃, crushing the dried powder, and sieving with a 100-300-mesh sieve to obtain uniform mixed powder;
further, a preparation method of the soilless culture nutrient solution is characterized in that red rice fermentation liquor in the mother liquor of the group C is prepared according to the proportion of 1: 2-4, adding water into red rice to prepare a slurry, adding glucose, black tea fungus and lactic acid bacteria into the slurry, and fermenting at 23-30 ℃ until the alcoholic strength is 4-9 vol% to obtain red rice fermentation liquor, wherein the red rice: the weight ratio of the glucose to the black tea fungus to the lactic acid bacteria is 1: 0.1-0.15: 0.01-0.03: 0.004 to 0.01;
further, the preparation method of the soilless culture nutrient solution comprises the steps of drying the barley germs in the barley extracting solution in the group C mother solution at 80-120 ℃, grinding the barley germs into powder, adding chloroform, dichloromethane or ether water solution into the powder, and extracting for 2-4 times at 150-180 ℃, wherein the volume ratio of chloroform, dichloromethane or ether to water is 1.8-2.5: 1;
further, a preparation method of the soilless culture nutrient solution, A, B, C three groups of mother solutions are mixed and stirred at 50-80 ℃ to obtain the nutrient solution.
Compared with the prior art, the invention has the beneficial effects that:
the soilless culture nutrient solution disclosed by the invention is scientific in proportioning, can improve the disease resistance of vegetables, and has the same effect as soil culture in the aspects of fresh whole plant, high dry weight content, high plant height and plump stem leaves in soilless soil culture; the three groups of mother liquor comprise a plurality of nutrient elements, contain nutrient substances required by the whole growth and development stage of vegetables, and combine with nutrient elements extracted from pure nature, wherein, the group A mother liquor combines fertilizers such as agaric, corn straw, oyster and the like with urea and effectively promotes the delivery of the nutrient components of respective raw materials, the group B mother liquor contains trace elements required by the vegetables, the group C uses red rice and black tea fungus to ferment and is combined with barley extract, and the three groups of mother liquor are prepared according to proportion, so that the nutrient elements can be dredged from the roots and stems of the vegetables, the nutrients can be delivered, the nutrient contents of carotene protein and the like of the vegetables can be improved.
Detailed Description
In order to better understand the technical content of the invention, specific examples are provided below to further illustrate the invention.
The experimental methods used in the examples of the present invention are all conventional methods unless otherwise specified.
The materials, reagents and the like used in the examples of the present invention can be obtained commercially without specific description.
Example 1
A soilless culture nutrient solution: comprises A, B, C three groups of mother liquor which are compounded according to the ratio of 0.5:0.8: 1;
the group A mother solution comprises the following raw materials in parts by weight: 100 parts of urea, 90 parts of calcium nitrate, 50 parts of monopotassium phosphate and magnesium sulfate, 32 parts of calcium chloride, 20 parts of ferric trichloride, 21 parts of borax, 17 parts of fresh agaric, 20 parts of corn straw and 20 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 35 parts of manganese sulfate, 33 parts of zinc sulfate, 28 parts of tetrahydrate calcium nitrate, 20 parts of potassium nitrate, 45 parts of diammonium hydrogen phosphate and 42 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 40 parts of monopotassium phosphate, 30 parts of potassium sulfate, 36 parts of magnesium sulfate heptahydrate, 29 parts of red rice fermentation liquor and 36 parts of barley leaching liquor.
Example 2
A soilless culture nutrient solution: comprises A, B, C three groups of mother liquor which are compounded according to the ratio of 1:1.5: 1;
the group A mother solution comprises the following raw materials in parts by weight: 250 parts of urea, 150 parts of calcium nitrate, 70 parts of potassium dihydrogen phosphate and magnesium sulfate, 50 parts of calcium chloride, 38 parts of ferric trichloride, 35 parts of borax, 30 parts of fresh agaric, 36 parts of corn straw and 45 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 39 parts of manganese sulfate, 45 parts of zinc sulfate, 35 parts of tetrahydrate calcium nitrate, 36 parts of potassium nitrate, 85 parts of diammonium hydrogen phosphate and 65 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 85 parts of monopotassium phosphate, 70 parts of potassium sulfate, 75 parts of magnesium sulfate heptahydrate, 55 parts of red rice fermentation liquor and 55 parts of barley leaching liquor.
Example 3
A soilless culture nutrient solution comprises A, B, C three groups of mother solutions which are compounded according to the ratio of 0.8:1.2: 1;
the group A mother solution comprises the following raw materials in parts by weight: 160 parts of urea, 120 parts of calcium nitrate, 60 parts of potassium dihydrogen phosphate and magnesium sulfate, 40 parts of calcium chloride, 29 parts of ferric trichloride, 28 parts of borax, 23 parts of fresh agaric, 28 parts of corn straw and 28 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 37 parts of manganese sulfate, 39 parts of zinc sulfate, 31 parts of tetrahydrate calcium nitrate, 28 parts of potassium nitrate, 65 parts of diammonium hydrogen phosphate and 48 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 62 parts of monopotassium phosphate, 50 parts of potassium sulfate, 55 parts of magnesium sulfate heptahydrate, 42 parts of red rice fermentation liquor and 46 parts of barley leaching liquor.
The preparation method of the soilless culture nutrient solution in the embodiment 1-3 comprises the following steps:
pre-freezing fresh agaric, corn straw and oyster at-23 ℃, drying at 120 ℃ for 29h, crushing the dried powder, and sieving with a 200-mesh sieve to obtain uniform mixed powder;
the red rice fermentation liquor in the group C mother liquor is prepared according to the proportion of 1: 3, adding water into the red rice to prepare a serous fluid, adding glucose, black tea fungus and lactic acid bacteria into the serous fluid, and fermenting at 27 ℃ until the alcoholic strength is 6 vol% to obtain red rice fermentation liquor, wherein the red rice: the weight ratio of the glucose to the black tea fungus to the lactic acid bacteria is 1: 0.13: 0.02: 0.007;
the barley extractive solution in group C mother liquor is prepared by drying dried barley embryo at 100 deg.C, grinding into powder, adding chloroform, dichloromethane or diethyl ether water solution, and extracting at 160 deg.C for 3 times, wherein the volume ratio of dichloromethane to water is 2.1: 1;
A. b, C mixing the three mother solutions at 70 deg.C, and stirring to obtain nutritional liquid.
Example 4
A soilless culture nutrient solution comprises A, B, C three groups of mother solutions which are compounded according to the ratio of 0.8:1.2: 1;
the group A mother solution comprises the following raw materials in parts by weight: 160 parts of urea, 120 parts of calcium nitrate, 60 parts of potassium dihydrogen phosphate and magnesium sulfate, 40 parts of calcium chloride, 29 parts of ferric trichloride, 28 parts of borax, 23 parts of fresh agaric, 28 parts of corn straw and 28 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 37 parts of manganese sulfate, 39 parts of zinc sulfate, 31 parts of tetrahydrate calcium nitrate, 28 parts of potassium nitrate, 65 parts of diammonium hydrogen phosphate and 48 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 62 parts of monopotassium phosphate, 50 parts of potassium sulfate, 55 parts of magnesium sulfate heptahydrate, 42 parts of red rice fermentation liquor and 46 parts of barley leaching liquor.
A method for preparing soilless culture nutrient solution comprises pre-freezing fresh Auricularia, corn stalk powder and Concha Ostreae powder in group A mother liquor at-20 deg.C, drying at 100 deg.C for 10 hr, crushing the dried powder, and sieving with 100 mesh sieve to obtain uniform mixed powder;
the red rice fermentation liquor in the group C mother liquor is prepared according to the proportion of 1: 2, adding water into the red rice to prepare a serous fluid, adding glucose, black tea fungus and lactic acid bacteria into the serous fluid, and fermenting at 23 ℃ until the alcoholic strength is 4 vol% to obtain red rice fermentation liquor, wherein the red rice: the weight ratio of the glucose to the black tea fungus to the lactic acid bacteria is 1: 0.1: 0.01: 0.004;
and the barley extract in the group C mother liquor is prepared by drying dried barley germs at 80 ℃, grinding into powder, adding chloroform, dichloromethane or diethyl ether aqueous solution into the powder, and extracting for 2 times at 150 ℃, wherein the volume ratio of chloroform to water is 1.8: 1;
a method for preparing soilless culture nutrient solution comprises mixing A, B, C three groups of mother solutions at 50 deg.C, and stirring to obtain nutrient solution.
Example 5
A method for preparing soilless culture nutrient solution comprises pre-freezing fresh Auricularia, corn stalk powder and Concha Ostreae powder in group A mother liquor at-26 deg.C, drying at 150 deg.C for 48 hr, crushing the dried powder, and sieving with 300 mesh sieve to obtain uniform mixed powder;
the red rice fermentation liquor in the group C mother liquor is prepared according to the proportion of 1: 4, adding water into the red rice to prepare a serous fluid, adding glucose, black tea fungus and lactic acid bacteria into the serous fluid, and fermenting at the temperature of 30 ℃ until the alcoholic strength is 9 vol% to obtain red rice fermentation liquor, wherein the weight ratio of the red rice: the weight ratio of the glucose to the black tea fungus to the lactic acid bacteria is 1: 0.15: 0.03: 0.01;
and the barley extract in the group C mother liquor is prepared by drying dried barley germs at 120 ℃, grinding into powder, adding chloroform, dichloromethane or an ether aqueous solution into the powder, and extracting for 4 times at 180 ℃, wherein the volume ratio of ether to water is 2.5: 1;
a method for preparing soilless culture nutrient solution comprises mixing A, B, C three groups of mother solutions at 80 deg.C, and stirring to obtain nutrient solution.
Example 6
This example differs from example 3 in that: fresh Auricularia, corn stalk, and Concha Ostreae in the group A mother liquor are not pre-frozen.
Example 7
This example differs from example 3 in that: red rice in group C mother liquor: the weight ratio of the glucose to the black tea fungus to the lactic acid bacteria is 1: 1: 0.05: 0.02.
example 8
This example differs from example 3 in that: the volume ratio of the chloroform, the dichloromethane or the diethyl ether to the water in the barley extracting solution is 1:1.
example 9
This example differs from example 3 in that: A. b, C mixing the three mother solutions at 30 deg.C, and stirring to obtain nutritional liquid.
Comparative example 1
This comparative example differs from example 3 in that: a soilless culture nutrient solution is prepared by mixing A, B, C three groups of mother solutions according to the ratio of 0.3:0.5: 0.8.
Comparative example 2
This comparative example differs from example 3 in that: a soilless culture nutrient solution is prepared by mixing A, B, C three groups of mother solutions according to the ratio of 0.8:1.2: 1; the group A mother liquor does not comprise edible fungus powder, corn straw powder and oyster powder.
Comparative example 3
This comparative example differs from example 3 in that: a soilless culture nutrient solution is prepared by mixing A, B, C three groups of mother solutions according to the ratio of 0.8:1.2: 1; the mother liquor of group C does not contain red rice fermentation liquor and barley leaching liquor.
First, effect verification
The soilless culture test is carried out in a vegetable culture test ground greenhouse by adopting the soilless culture nutrient solution, the test variety is lettuce, and the comparison is carried out with lettuce conventionally cultured in the greenhouse. When the lettuce is harvested, the plant morbidity, the fresh weight of the whole plant, the dry weight of the whole plant and the plant height are counted.
The table shows that the nutrient solution is scientific in proportioning, three groups of mother solutions are reasonably proportioned, the effect of the embodiment 3 is the best in the embodiments 1-3, when the nutrient solution prepared by the formula is cultivated, the fresh weight of lettuce is 355g, the mean dry weight is 34.4g, the mean plant height is 32cm, and the incidence rate of plants is 4.2%; in examples 3-9, the preparation of each group of mother liquor, the ratio of each raw material and the parameters of the extraction method are adjusted, so that the process parameters in example 3 are optimal, the effect of the process parameters is comparable to the effect of conventional greenhouse cultivation, but the incidence of the plants is lower than that of soil cultivation, and the process can replace the conventional soil cultivation.
Second, analysis of nutrient composition
Detecting lettuce planted in examples 1-9, comparative examples 1-3 and greenhouse in a conventional way, wherein the content of nutrient components is detected as follows:
as can be seen from the above-mentioned analysis results of the ingredients, the lettuce in example 3 has lower vitamin a and vitamin C than the lettuce cultivated in the greenhouse in the conventional manner, but has higher cellulose, carotene, protein and lettuce essence than the lettuce cultivated in the greenhouse in the conventional manner; in examples 1 to 3, it can be seen that the three groups of mother solutions in example 3 are scientifically compatible, the lettuce obtained by cultivation has high content of nutrient components, and in examples 3 to 9, the process condition parameters of the three groups of mother solutions are adjusted, the nutrient solution prepared by the process in example 3 is superior, in examples 3, in comparative examples 1 to 3, it can be seen that the proportions and the importance of the three groups of mother solutions and the extraction conditions of the components have certain influence on the components of the nutrient solution.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A soilless culture nutrient solution is characterized in that: comprises A, B, C three groups of mother liquor which are compounded according to the proportion of (0.5-1) to (0.8-1.5) to 1;
the group A mother solution comprises the following raw materials in parts by weight: 100-250 parts of urea, 90-150 parts of calcium nitrate, 50-70 parts of monopotassium phosphate and magnesium sulfate, 32-50 parts of calcium chloride, 20-38 parts of ferric trichloride, 21-35 parts of borax, 17-30 parts of fresh agaric, 20-36 parts of corn straw and 20-45 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 35-39 parts of manganese sulfate, 33-45 parts of zinc sulfate, 28-35 parts of calcium nitrate tetrahydrate, 20-36 parts of potassium nitrate, 45-85 parts of diammonium hydrogen phosphate and 42-65 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 40-85 parts of monopotassium phosphate, 30-70 parts of potassium sulfate, 36-75 parts of magnesium sulfate heptahydrate, 29-55 parts of red rice fermentation liquor and 36-55 parts of barley leaching liquor.
2. The soilless culture nutrient solution of claim 1, wherein: comprises A, B, C three groups of mother liquor which are compounded according to the ratio of 0.8:1.2: 1;
the group A mother solution comprises the following raw materials in parts by weight: 160 parts of urea, 120 parts of calcium nitrate, 60 parts of potassium dihydrogen phosphate and magnesium sulfate, 40 parts of calcium chloride, 29 parts of ferric trichloride, 28 parts of borax, 23 parts of fresh agaric, 28 parts of corn straw and 28 parts of oyster;
the group B mother solution comprises the following raw materials in parts by weight: 37 parts of manganese sulfate, 39 parts of zinc sulfate, 31 parts of tetrahydrate calcium nitrate, 28 parts of potassium nitrate, 65 parts of diammonium hydrogen phosphate and 48 parts of ammonium nitrate;
the group C mother solution comprises the following raw materials in parts by weight: 62 parts of monopotassium phosphate, 50 parts of potassium sulfate, 55 parts of magnesium sulfate heptahydrate, 42 parts of red rice fermentation liquor and 46 parts of barley leaching liquor.
3. The method of claim 1, wherein the method comprises the steps of: fresh agaric, corn straw and oyster are pre-frozen at the temperature of-20 to-26 ℃, dried at the temperature of 100 to 150 ℃ for 10 to 48 hours, and then the dried powder is crushed and sieved by a sieve of 100 to 300 meshes to obtain uniform mixed powder.
4. The method of claim 1, wherein the method comprises the steps of: the red rice fermentation liquor in the group C mother liquor is prepared according to the proportion of 1: 2-4, adding water into red rice to prepare a slurry, adding glucose, black tea fungus and lactic acid bacteria into the slurry, and fermenting at 23-30 ℃ until the alcoholic strength is 4-9 vol% to obtain red rice fermentation liquor, wherein the red rice: the weight ratio of the glucose to the black tea fungus to the lactic acid bacteria is 1: 0.1-0.15: 0.01-0.03: 0.004-0.01.
5. The method of claim 1, wherein the method comprises the steps of: and drying the barley extract in the group C mother liquor at 80-120 ℃, grinding the dried barley germ into powder, adding aqueous solution of chloroform, dichloromethane or diethyl ether into the powder, and extracting for 2-4 times, wherein the volume ratio of the chloroform, the dichloromethane or the diethyl ether to the water is 1.8-2.5: 1.
6. the method of claim 1, wherein the method comprises the steps of: and extracting the barley extract in the group C mother liquor at 150-180 ℃.
7. The method of claim 1, wherein the method comprises the steps of: A. b, C mixing the three mother solutions at 50-80 deg.C, and stirring to obtain the nutrient solution.
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Cited By (1)
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| CN114539007A (en) * | 2022-03-18 | 2022-05-27 | 傅雨露 | Soilless hydroponic nutrient tablet and manufacturing method thereof |
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Application publication date: 20200124 |