CN107043299A - A kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility and preparation method thereof - Google Patents
A kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility and preparation method thereof Download PDFInfo
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- CN107043299A CN107043299A CN201710285540.2A CN201710285540A CN107043299A CN 107043299 A CN107043299 A CN 107043299A CN 201710285540 A CN201710285540 A CN 201710285540A CN 107043299 A CN107043299 A CN 107043299A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Chemical & Material Sciences (AREA)
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- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The invention discloses a kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility and preparation method thereof, it is related to cultivation technique without soil field, the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility, contain in nutrient solution per ton, 60 70g ammonium sulfate, 50 60g calcium chloride, 130 140g potassium sulfates, 160 170g epsom salts, 5 10g potassium chloride, 30 40g potassium dihydrogen phosphates, 0.1 0.5g manganese sulfate monohydrates, 0.1 0.5g white vitriols, 0.01 0.05g cupric sulfate pentahydrates, 0.001 0.01g ammonium molybdate tetrahydrates, 0.01 0.1g boric acid, 20 30g ferrous sulfate heptahydrates, 30 40g sodium ethylene diamine tetracetates, solvent is water.The ammonium nitrogen mill water culture nutrient solution in the corn time of infertility in the present invention, nutrition is balanced, and the ratio of each element maintains to balance within the specific limits nutrient solution in a long time, and pH change is stable；The nutritional need of plant growth is met, while reducing the amount of application of nutrient, experiment for a long time is solved with plant nutrient solution without specific aim, usually the problem of overnutrition.
Description
Technical field
The present invention relates to cultivation technique without soil field, a kind of ammonium nitrogen water planting battalion in corn time of infertility is more particularly related to
Nutrient solution and preparation method thereof.
Background technology
Corn is one of main gramineous crop of China, is the variety of crops of relation grain security.The all one's life of corn
To sprout, emerge by seed, jointing, toy trumpet mouthful, typhon mouthful, take out the growing processes such as hero, spinning, grouting, maturation, can draw
It is divided into four periods：That is Seedling Stage, jointing stage, boot stage and pustulation period.Corn will occur a series of in whole growing process
Form and change physiologically, occur and form a variety of organs, eventually form crop yield successively.Current corn scientific research
Direction mainly have：Physiological ecological, biotechnology and breed improvement, cultivation technique (degeneration-resistant, highly efficient and productive), quality-improving etc..
These directions relate to each period of corn growth, but laboratory experiment focuses mostly in Seedling Stage to boot stage, therefore, corn from
Seed is sprouted to Seedling Stage until the culture in boot stage is particularly significant.Study and relied on potted plant corn mostly, but potted plant corn
Solid dielectric, such as soil, turf, forest leaf mould, expanded vermiculite are needed, these media are difficult sterilization, be easier to occur disease
Diseases such as opportunistic pathogen, nematode, weeds, and complicated component, whard to control, spray fertilizer easily cause loss waste, plant absorption profit
It is relatively low with rate.In addition, potted plant corn growing way is whard to control, it is difficult to reach the homogeneity and uniformity required by experiment material.
Water planting refers to that root system of plant is directly contacted with nutrient solution, without the cultural method of solid matrix.The method cultivation is planted
Thing directly draws nutrition from solution, and root system is isolated with soil, can avoid various soil-borne diseases and weeds, without progress soil
Sterilization, nutrient can be supplied in a balanced way, and fertilization effect is stabilized very much.For potted plant, the planting density of water planting can be significantly
Improve, and young plant growing way is uniform, meets the requirement of experiment material, in particular for maize root system research, adverse circumstance research and battalion
Foster element absorption is utilized, and the especially correlative study to ammonium nitrogen and corn growth is highly beneficial.
The content of the invention
The present invention provides a kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility and preparation method thereof, solves plant
Disease pest and weed takes place frequently in potted plant incubation, sprays fertilizer and easily causes loss waste, plant absorption utilization rate is relatively low, and growing way is not
It is easy to control, it is difficult to reach the homogeneity and uniformity required by experiment material.
Specifically, contain in the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility that the present invention is provided, nutrient solution per ton,
60-70g ammonium sulfate, 50-60g calcium chloride, 130-140g potassium sulfates, 160-170g epsom salts, 5-10g potassium chloride, 30-
40g potassium dihydrogen phosphates, 0.1-0.5g manganese sulfate monohydrates, 0.1-0.5g white vitriols, 0.01-0.05g cupric sulfate pentahydrates,
0.001-0.01g ammonium molybdate tetrahydrates, 0.01-0.1g boric acid, 20-30g ferrous sulfate heptahydrates, 30-40g sodium ethylene diamine tetracetates,
Solvent is water.
It is preferred that, contain in nutrient solution per ton, 66.070g ammonium sulfate, 55.500g calcium chloride, 130.688g potassium sulfates,
160.206g epsom salts, 7.456g potassium chloride, 34.023g potassium dihydrogen phosphates, 0.1690g manganese sulfate monohydrates, 0.2875g seven
Water zinc sulphate, 0.0250g cupric sulfate pentahydrates, 0.0062g ammonium molybdate tetrahydrates, 0.0618g boric acid, the water sulfuric acid of 27.8010g seven are sub-
Iron, 37.2240g sodium ethylene diamine tetracetates, solvent is water.
It is preferred that, the solvent that nutrient solution is used is deionized water, distilled water or pure water.
A kind of preparation method of the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility, comprises the following steps：
S1, according to material rate, weigh 60-70g ammonium sulfate add 10L water in, stirring and dissolving, formed concentrate I；
S2, according to material rate, weigh 50-60g calcium chloride add 5L water in, stirring and dissolving, formed concentrate II；
S3, according to material rate, weigh 130-140g potassium sulfates, 160-170g epsom salts, 5-10g potassium chloride, 30-
40g potassium dihydrogen phosphates, are sequentially added in 10L water, stirring and dissolving, form concentrate III；
S4, according to material rate, weigh 0.1-0.5g manganese sulfate monohydrates, 0.1-0.5g white vitriols, 0.01-0.05g
Cupric sulfate pentahydrate, 0.001-0.01g ammonium molybdate tetrahydrates, 0.01-0.1g boric acid, are sequentially added in 1L water, stirring and dissolving, are formed dense
Contracting liquid IV；
S5, according to material rate, weigh 20-30g ferrous sulfate heptahydrates add 50L water in, stirring and dissolving, formed solution a,
According to material rate, weigh 30-40g sodium ethylene diamine tetracetates and add in 50L water, stirring and dissolving forms solution b, solution a is delayed
It is slow to add in solution b, stir, form concentrate V；
S6, added into liquid storing barrel needed for nutrient solution volume 50% water after, concentrate I is added into water and stirs equal
It is even, 70% of nutrient solution volume needed for concentrate II stirs and added water to then is added into liquid storing barrel, by concentrate III
80% of nutrient solution volume needed for stirring and add water in liquid storing barrel is added, concentrate IV is added in liquid storing barrel and stirs equal
It is even and nutrient solution volume needed for adding water to 90%, then nutrient solution volume needed for adding concentrate V into liquid storing barrel and adding water to
After stirring, the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility is obtained.
Preferably, in step S6, the ammonium nitrogen mill water culture nutrient solution in the obtained corn time of infertility uses salt acid for adjusting pH value
To 6.0 ± 0.2.
It is preferred that, the concentration of hydrochloric acid is 10mol/L.
In a kind of application method of the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility, corn incubation, daily to battalion
Ventilate 30min in nutrient solution, changes a mill water culture nutrient solution within every 3 days.
The ammonium nitrogen mill water culture nutrient solution in the corn time of infertility in the present invention, nutrition is balanced, and nutrient solution is in a long time
The ratio of each element maintains balance within the specific limits, and pH change is stable；Meeting the nutrition in the plant time of infertility needs
Ask, balance has used a great number of elements and trace element, while reducing the amount of application of nutrient, solves and tests for a long time
With plant nutrient solution without specific aim, usually the problem of overnutrition；And compounding method operation letter in the present invention
Single, nutrient solution prescription rationally, simplifies preparation procedure, contributes to corn planting density to greatly improve.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment 1
The embodiment of the present invention 1 provides a kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility, by weight, nutrition per ton
Contain in liquid, 66.070g ammonium sulfate, 55.500g calcium chloride, 130.688g potassium sulfates, 160.206g epsom salts, 7.456g
Potassium chloride, 34.023g potassium dihydrogen phosphates, 0.1690g manganese sulfate monohydrates, 0.2875g white vitriols, the water sulfuric acid of 0.0250g five
Copper, 0.0062g ammonium molybdate tetrahydrates, 0.0618g boric acid, 27.8010g ferrous sulfate heptahydrates, 37.2240g sodium ethylene diamine tetracetates,
Solvent is water.
Specifically, preparing the ammonium nitrogen mill water culture nutrient solution in the 1000L corn time of infertility, comprise the following steps：
S1, according to material rate, weigh 66.070g ammonium sulfate add 10L water in, stirring and dissolving, formed concentrate I；
S2, according to material rate, weigh 55.500g calcium chloride add 5L water in, stirring and dissolving, formed concentrate II；
S3, according to material rate, weigh 130.688g potassium sulfates, 160.206g epsom salts, 7.456g potassium chloride,
34.023g potassium dihydrogen phosphates, are sequentially added in 10L water, stirring and dissolving, form concentrate III；
S4, according to material rate, weigh 0.1690g manganese sulfate monohydrates, 0.2875g white vitriols, the water sulphur of 0.0250g five
Sour copper, 0.0062g ammonium molybdate tetrahydrates, 0.0618g boric acid, are sequentially added in 1L water, stirring and dissolving, form concentrate IV；
S5, according to material rate, weigh 27.8010g ferrous sulfate heptahydrates add 50L water in, stirring and dissolving, formed solution
A, according to material rate, weighs 37.2240g sodium ethylene diamine tetracetates and adds in 50L water, stirring and dissolving forms solution b, will be molten
Liquid a is slowly added in solution b, is stirred, and forms concentrate V；
S6, added into liquid storing barrel needed for nutrient solution volume 500L water after, concentrate I is added into water and stirs equal
Even, then into liquid storing barrel, addition concentrate II stirs and the 185L that adds water is to the 70% of required nutrient solution volume, will concentrate
Stirred in the addition liquid storing barrel of liquid III and the 90L that adds water is to the 80% of required nutrient solution volume, concentrate IV is added into liquid storing barrel
In stir and the 99L that adds water is to the 90% of required nutrient solution volume, then add into liquid storing barrel concentrate V and add water to institute
Need after 1000L nutrient solution volumes stir, concentration for 10mol/L hydrochloric acid regulation mixed liquor pH value to 6.0 ±
0.2, obtain the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility.
Using the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility prepared in the present embodiment 1 to plant (Zheng Dan
958) cultivated, in cultivating process, ventilate 30min into nutrient solution daily, change a mill water culture nutrient solution within every 3 days.
Embodiment 2
The embodiment of the present invention 2 provides a kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility, by weight, nutrition per ton
Contain in liquid, 60g ammonium sulfate, 50g calcium chloride, 130g potassium sulfates, 160g epsom salts, 5g potassium chloride, 30g biphosphates
Potassium, 0.1g manganese sulfate monohydrates, 0.1g white vitriols, 0.01g cupric sulfate pentahydrates, 0.001g ammonium molybdate tetrahydrates, 0.01g boric acid,
20g ferrous sulfate heptahydrates, 30g sodium ethylene diamine tetracetates, solvent is water.
Specifically, preparing the ammonium nitrogen mill water culture nutrient solution in the 1000L corn time of infertility, comprise the following steps：
S1, according to material rate, weigh 60g ammonium sulfate add 10L water in, stirring and dissolving, formed concentrate I；
S2, according to material rate, weigh 50g calcium chloride add 5L water in, stirring and dissolving, formed concentrate II；
S3, according to material rate, weigh 130g potassium sulfates, 160g epsom salts, 5g potassium chloride, 30g potassium dihydrogen phosphates,
Sequentially add in 10L water, stirring and dissolving, form concentrate III；
S4, according to material rate, weigh 0.1g manganese sulfate monohydrates, 0.1g white vitriols, 0.01g cupric sulfate pentahydrates,
0.001g ammonium molybdate tetrahydrates, 0.01g boric acid, are sequentially added in 1L water, stirring and dissolving, form concentrate IV；
S5, according to material rate, weigh 20g ferrous sulfate heptahydrates add 50L water in, stirring and dissolving, formed solution a, press
According to material rate, weigh 30g sodium ethylene diamine tetracetates and add in 50L water, stirring and dissolving forms solution b, solution a is slowly added
Enter in solution b, stir, form concentrate V；
S6, added into liquid storing barrel needed for nutrient solution volume 500L water after, concentrate I is added into water and stirs equal
Even, then into liquid storing barrel, addition concentrate II stirs and the 185L that adds water is to the 70% of required nutrient solution volume, will concentrate
Stirred in the addition liquid storing barrel of liquid III and the 90L that adds water is to the 80% of required nutrient solution volume, concentrate IV is added into liquid storing barrel
In stir and the 99L that adds water is to the 90% of required nutrient solution volume, then add into liquid storing barrel concentrate V and add water to institute
Need after 1000L nutrient solution volumes stir, concentration for 10mol/L hydrochloric acid regulation mixed liquor pH value to 6.0 ±
0.2, obtain the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility.
Using the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility prepared in the present embodiment 2 to plant (Zheng Dan
958) cultivated, in cultivating process, ventilate 30min into nutrient solution daily, change a mill water culture nutrient solution within every 3 days.
Embodiment 3
The embodiment of the present invention 3 provides a kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility, by weight, nutrition per ton
Contain in liquid, 70g ammonium sulfate, 60g calcium chloride, 140g potassium sulfates, 170g epsom salts, 10g potassium chloride, 40g biphosphates
Potassium, 0.5g manganese sulfate monohydrates, 0.5g white vitriols, 0.05g cupric sulfate pentahydrates, 0.01g ammonium molybdate tetrahydrates, 0.1g boric acid, 30g
Ferrous sulfate heptahydrate, 40g sodium ethylene diamine tetracetates, solvent is water.
Specifically, preparing the ammonium nitrogen mill water culture nutrient solution in the 1000L corn time of infertility, comprise the following steps：
S1, according to material rate, weigh 70g ammonium sulfate add 10L water in, stirring and dissolving, formed concentrate I；
S2, according to material rate, weigh 60g calcium chloride add 5L water in, stirring and dissolving, formed concentrate II；
S3, according to material rate, weigh 140g potassium sulfates, 170g epsom salts, 10g potassium chloride, 40g biphosphates
Potassium, is sequentially added in 10L water, stirring and dissolving, forms concentrate III；
S4, according to material rate, weigh 0.5g manganese sulfate monohydrates, 0.5g white vitriols, 0.05g cupric sulfate pentahydrates,
0.01g ammonium molybdate tetrahydrates, 0.1g boric acid, are sequentially added in 1L water, stirring and dissolving, form concentrate IV；
S5, according to material rate, weigh 30g ferrous sulfate heptahydrates add 50L water in, stirring and dissolving, formed solution a, press
According to material rate, weigh 40g sodium ethylene diamine tetracetates and add in 50L water, stirring and dissolving forms solution b, solution a is slowly added
Enter in solution b, stir, form concentrate V；
S6, added into liquid storing barrel needed for nutrient solution volume 500L water after, concentrate I is added into water and stirs equal
Even, then into liquid storing barrel, addition concentrate II stirs and the 185L that adds water is to the 70% of required nutrient solution volume, will concentrate
Stirred in the addition liquid storing barrel of liquid III and the 90L that adds water is to the 80% of required nutrient solution volume, concentrate IV is added into liquid storing barrel
In stir and the 99L that adds water is to the 90% of required nutrient solution volume, then add into liquid storing barrel concentrate V and add water to institute
Need after 1000L nutrient solution volumes stir, concentration for 10mol/L hydrochloric acid regulation mixed liquor pH value to 6.0 ±
0.2, obtain the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility.
Using the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility prepared in the present embodiment 3 to plant (Zheng Dan
958) cultivated, in cultivating process, ventilate 30min into nutrient solution daily, change a mill water culture nutrient solution within every 3 days
The application test of embodiment 4
For the effect of the ammoniacal nitrogen mill water culture nutrient solution in the corn time of infertility of the checking present invention, spy's progress is following to compare examination
Test.
Test and carried out in agricultural college of University Of Science and Technology Of He'nan farm, material to be tested is corn variety Zheng Dan 958.
Experiment sets three processing：
Handle A：Water planting, using the nutrient solution of present example 1；
Handle B：Potted plant, cultivation matrix is quartz, using the nutrient solution of present example 1；
Handle C：Potted plant, field soil does not apply the nutrient solution of the present invention.
Three processing random alignments, are respectively repeated 10 times.Handle A and change within every 3 days a mill water culture nutrient solution, processing B is applied for every 3 days
One time of nutrition liquid is used, each 500ml, processing C waters once for every 3 days, each 500ml.
Experiment is using polyethylene basin (internal diameter 22cm, high 24cm), and every 2 plants of basin kind corn, B processing fills quartz 4kg per basin,
C processing dress soil 4.5kg per basin.Condition of culture：Heliogreenhouse, 25 DEG C of temperature, illumination 14 hours, light intensity 10000lx.Seven leaf phases
(jointing stage) harvests, and determines plant height, complete stool fresh weight, complete stool dry weight, root long.Experimental result is as shown in table 1.
The experimental result statistical form of table 1
| Processing | Plant height (cm) | Complete stool fresh weight (g) | Complete stool dry weight (g) | Root length (cm) |
| A | 43.8 | 23.25 | 12.16 | 34.1 |
| B | 42.7 | 22.98 | 12.04 | 30.9 |
| C | 37.8 | 17.54 | 9.37 | 30.4 |
Plant height, complete stool fresh weight in table 1, complete stool dry weight, a length of average value respectively repeated of root.
Result of the test shows that processing A and B is compared with handling C, and plant height increases 1.1cm and 6.0cm, complete stool fresh weight point respectively
Not Zeng Jia 0.27g and 5.71g, complete stool dry weight increases 0.12g and 2.79g respectively, and root length increases 3.2cm and 3.7cm, explanation respectively
Using the plant nutrient solution corn of the present invention, plant height, complete stool fresh weight, complete stool dry weight and the root that can significantly improve corn are long.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (7)
1. a kind of ammonium nitrogen mill water culture nutrient solution in the corn time of infertility, it is characterised in that contain in nutrient solution per ton, 60-70g sulphur
Sour ammonium, 50-60g calcium chloride, 130-140g potassium sulfates, 160-170g epsom salts, 5-10g potassium chloride, 30-40g di(2-ethylhexyl)phosphates
Hydrogen potassium, 0.1-0.5g manganese sulfate monohydrates, 0.1-0.5g white vitriols, 0.01-0.05g cupric sulfate pentahydrates, 0.001-0.01g tetra-
Water ammonium molybdate, 0.01-0.1g boric acid, 20-30g ferrous sulfate heptahydrates, 30-40g sodium ethylene diamine tetracetates, solvent is water.
2. the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility according to claim 1, it is characterised in that nutrient solution per ton
In contain, 66.070g ammonium sulfate, 55.500g calcium chloride, 130.688g potassium sulfates, 160.206g epsom salts, 7.456g chlorine
Change potassium, 34.023g potassium dihydrogen phosphates, 0.1690g manganese sulfate monohydrates, 0.2875g white vitriols, 0.0250g cupric sulfate pentahydrates,
0.0062g ammonium molybdate tetrahydrates, 0.0618g boric acid, 27.8010g ferrous sulfate heptahydrates, 37.2240g sodium ethylene diamine tetracetates, it is molten
Agent is water.
3. the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility according to claim 1, it is characterised in that the nutrient solution
The solvent used is deionized water, distilled water or pure water.
4. a kind of preparation method of the ammonium nitrogen mill water culture nutrient solution in corn time of infertility as described in any claim 1-3, its
It is characterised by, comprises the following steps：
S1, according to material rate, weigh 60-70g ammonium sulfate add 10L water in, stirring and dissolving, formed concentrate I；
S2, according to material rate, weigh 50-60g calcium chloride add 5L water in, stirring and dissolving, formed concentrate II；
S3, according to material rate, weigh 130-140g potassium sulfates, 160-170g epsom salts, 5-10g potassium chloride, 30-40g
Potassium dihydrogen phosphate, is sequentially added in 10L water, stirring and dissolving, forms concentrate III；
S4, according to material rate, weigh 0.1-0.5g manganese sulfate monohydrates, 0.1-0.5g white vitriols, the water of 0.01-0.05g five
Copper sulphate, 0.001-0.01g ammonium molybdate tetrahydrates, 0.01-0.1g boric acid, are sequentially added in 1L water, stirring and dissolving, form concentrate
Ⅳ；
S5, according to material rate, weigh 20-30g ferrous sulfate heptahydrates add 50L water in, stirring and dissolving, formed solution a, according to
Material rate, weighs 30-40g sodium ethylene diamine tetracetates and adds in 50L water, and stirring and dissolving forms solution b, solution a is slowly added
Enter in solution b, stir, form concentrate V；
S6, added into liquid storing barrel needed for nutrient solution volume 50% water after, concentrate I is added into water and is stirred,
Then 70% of nutrient solution volume needed for concentrate II stirs and added water to is added into liquid storing barrel, concentrate III is added
The 80% of nutrient solution volume, concentrate IV is added in liquid storing barrel and stirred simultaneously needed for stirring and adding water in liquid storing barrel
The 90% of nutrient solution volume needed for adding water to, then nutrient solution volume stirring needed for adding concentrate V into liquid storing barrel and adding water to
After uniform, the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility is obtained.
5. the preparation method of the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility according to claim 4, it is characterised in that
In step S6, the ammonium nitrogen mill water culture nutrient solution in the obtained corn time of infertility uses salt acid for adjusting pH value to 6.0 ± 0.2.
6. the preparation method of the ammonium nitrogen mill water culture nutrient solution in the corn time of infertility according to claim 5, it is characterised in that
The concentration of the hydrochloric acid is 10mol/L.
7. a kind of application method of the ammonium nitrogen mill water culture nutrient solution in corn time of infertility as described in any claim 1-3, its
It is characterised by, in corn incubation, ventilate 30min into nutrient solution daily, changes a mill water culture nutrient solution within every 3 days.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109287230A (en) * | 2018-11-14 | 2019-02-01 | 上海摩天农业科技有限公司 | Nutrient solution, nutrient solution raw materials composition and its application |
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