CN105906406A - Seedling strengthening agent used for drily-raised rice in cold region and applied to seed bed in liquid application manner, and application method thereof - Google Patents
Seedling strengthening agent used for drily-raised rice in cold region and applied to seed bed in liquid application manner, and application method thereof Download PDFInfo
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- CN105906406A CN105906406A CN201610197328.6A CN201610197328A CN105906406A CN 105906406 A CN105906406 A CN 105906406A CN 201610197328 A CN201610197328 A CN 201610197328A CN 105906406 A CN105906406 A CN 105906406A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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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Abstract
The invention provides a seedling strengthening agent used for drily-raised rice in a cold region and applied to a seed bed in a liquid application manner. The seedling strengthening agent comprises an organic matter, a mixed fertilizer containing nitrogen, phosphorus and potassium, a bactericide and an acid adjusting agent, wherein the total amount of quick-acting nitrogen, phosphorus and potassium in the seedling strengthening agent is 200 to 300 g/kg, the content of quick-acting nitrogen is 80 to 150 g/kg, the content of quick-acting phosphorus is 50 to 70 g/kg, the content of quick-acting potassium is 30 to 220 g/kg, the content of the bactericide is 5 to 35 g/kg, and the content of the acid adjusting agent is 20 to 90 g/kg. The seedling strengthening agent provided by the invention changes the tradition application method of blending of a seedling strengthening agent and alien earth; the prepared seedling strengthening agent is diluted with water and uniformly sprayed on a bed surface, so the application method has the advantages of conservation of time and labor, simple operation, uniform distribution, capacity of preventing diseases, strengthening seedlings, realizing fast reviving and early tillering and increasing yield and income, etc.; and in particular, the seedling strengthening agent has better advantages in winning farming time and improving technical operation standards in drily raising rice in cold regions.
Description
Technical field
The present invention relates to agricultural production, be specifically related to a kind of cold ground drought and educate paddy seedbed liquid application and strengthen seedling agent and use thereof
Method.
Background technology
Existing market Zhuan Yangji producer is more than 70, and kind reaches kind more than 40.Substantially it is divided into I type and II type two class.Wherein I type
Strong seedling agent refers to that product specification is one packed (not subpackage), the most individually acid bag and medicated bag, it is desirable to its pure NPK content >=
15%, many strong seedling agent registering use on fertilizer all belong to I type；II type is strengthened seedling agent and is referred to that product specification is point three guarantees in a bag
Or two bags, there are individually acid bag and medicated bag, it is desirable to its pure NPK content >=4.5%.Indicate on II type packaging bag of seedling strengthening agent is pure
NPK content refers to that the pure NPK content in three guarantees in fertile bag, many strong seedling agent registering use on pesticide all belong to II type (Li De
Duckweed, 2009).
Paddy drought seedling acid adjustment, sterilization mainly have two ways, and one is voluntarily with fertile, acid, medicine preparation bed seedlings and soil, this
Method is more original, is mainly mixed with fertilizer by dry land soil, then mixing inorganic fertilizer, to make bed native, sprays sulphuric acid water and carries out
Acid adjustment, sprays antibacterial and carries out disinfection.Common practice is 9 kilograms of the sulphuric acid adding 98% by 30 kg of water, is made into about 25%
Acidifying water, water and be sprinkling upon on the 500 kilograms of bed soil being sieved, vexed 24 hours, fully puddle 6-8 time, make acidifying soil sample, then
With per hectare bed soil 2000 kilograms of remaining soil that sieve mix thoroughly, heap covers tightly well standby.A mud acid degree is made to be transferred to pH value 4.5-5.5
Between (Xu Yirong, 1996, P38-39).This method complex operation, sulfuric acid concentration, dose, the bad grasp of antibacterial consumption, frequently
Numerous there are the adverse consequencess such as acid evil, fertilizer damage, poisoning, and in seedling raising process, recruitment is many in addition, adds cost, and farm has not had
Everybody makees, and there is an area in place.Two is to prepare bed seedlings and soil with rice seedling nutrient agent, and by specification, first by strong seedling agent and about 1/4
Bed soil puddle and uniformly make sample, more fully mix thoroughly with remaining soil by sample, then balance dress soil, present stage should be universal.
The advantage of this method is: bed soil disinfection, acid adjustment, fertilising can once be completed by peasant household, and method is simple, and peasant is prone to grasp
(Jiao Zhanli, 2004), is present topmost application mode.
In application, existing problems mainly have 1. fertile amount excessive, packing poor effect.2. show market and strengthen seedling agent kind more than 40,50%
More than strengthening seedling agent kind, ambiguous on consumption, often there is burn seedlings phenomenon by experience consumption in plantation family.3. with after strong seedling agent
The plant growth regulator of synthetic, plant growth agent total amount is repeatedly used again with root-inducing powder, treasured of taking root, spirit etc. of taking root
Excessive, cause Oryza sativa L. generation poisoning.4. antibacterial, to transplant happy consumption too high or happy with transplanting again after using strong seedling agent, Dou Nengzao
Become rice drug misadventuring.
On strong seedling agent product, its aspect such as scientific and technological content, use cost all also exists bigger difference, some strong seedling agent
Product, although adjust its use cost from price relatively low, but diseases prevention weak effect after using, easily there is de-fertile phenomenon, educates in the later stage
Miao Bushi strong sprout of going out but the weak Seedling of seedling；And on application technique, can be summarized as preparing the direct rake method of nutrition local method, many
The application practice in year proves, preparation nutrition local method more direct rake method has strong seedling agent and uses uniformly, not burn seedlings, and nursery is neat
Advantage, even and the strong seedling agent that directly rake method quality is the best also tends to, because of incomplete mixing, cause the seedbed many containing strong seedling agent
Emergence rate is low, burn seedlings or rice shoot excessive growth, few containing strong seedling agent or do not conform to the seedbed damping-off of strong seedling agent and occur serious, and rice seedling growing way is relatively
Difference, thus have impact on the using effect of strong seedling agent, also not up to cultivate the purpose of strong seedling.
Summary of the invention
Educate paddy seedbed liquid application strengthen seedling agent and using method thereof to this end, the invention provides a kind of cold ground drought, save time, save
Power, safety；Solve the barrier factors of root system development, and the problem such as tillering node is high, effective tillering stem number is few, to paddy rice in cold region
Improve yield and play significant facilitation.
A kind of cold ground drought is educated paddy seedbed liquid application and is strengthened seedling agent, and described strong seedling agent includes the mixed fertilizer of Nitrogen-and Phosphorus-containing potassium, sterilization
Agent and regulating acid agent, in described strong seedling agent, quick-acting NPK total amounts are 160g/kg～320g/kg, available nitrogen content be 80g/kg～
150g/kg, available phosphorus contents are 50g/kg～70g/kg, quick-acting potassium content is 30g/kg～100g/kg, antibacterial 5g/kg～
35g/kg, regulating acid agent 20g/kg～90g/kg.
Preferably, in described strong seedling agent quick-acting nitrogen contents be 92.5g/kg～120.3g/kg, available phosphorus contents be 55.7g/
Kg～70g/kg, quick-acting potassium content are 43.5g/kg～80g/kg, antibacterial 7.5g/kg～20g/kg, regulating acid agent 50g/kg～
70g/kg。
It is highly preferred that quick-acting NPK total amounts are 213.1g/kg in described strong seedling agent, available nitrogen content is 108.7g/kg, speed
Effect phosphorus content is 60.9g/kg, quick-acting potassium content is 43.5g/kg, antibacterial 20g/kg, regulating acid agent 70g/kg.
Preferably, described mixed fertilizer is sulphuric acid diammonium, monoammonium phosphate, the mixture of potassium sulfate composition.
It is highly preferred that described antibacterial is selected from any one in hymexazol, metalaxyl, thiram.
It is highly preferred that described regulating acid agent is solid sulphuric acid.
Present invention also offers cold ground drought to educate paddy seedbed liquid application and strengthen the using method of seedling agent, time specifically used, by described
After strong seedling agent dilute 400-2000 times, rice leaf is sprayed.
Preferably, the extension rate of described strong seedling agent is 500～700.
It is highly preferred that described strong seedling agent sprays at twice, wherein, described strong seedling agent base executes 60%～70%, at rice shoot 2 leaf
Impose 30%～40% extensin period.
It is highly preferred that described strong seedling agent base executes 60%, impose 40% extensin period at rice shoot 2 leaf.
Present invention utilizes Oryza sativa L. and stretch together theory, strong seedling and the relation of root system development degree, have employed " steadily promoting "
Regulation and control thinking, fertilizer base is executed and is imposed and combines, and has taken into account the growth of root system, has also taken into account the cultivation of potential tiller, it is ensured that seedling
Seedling is the most regular to the evolution of colony by individuality, and the ability of regulation and control obtains bigger putting to good use.
Concrete, with rice shoot idiotrophic demand as point of penetration, in growth-promoting on the ground growth course, actively cultivate underground part
Point growth, it is to avoid the use of dwarfing medicine such as hormones such as uniconazole P, paclobutrazol etc..The nonirrigated farmland that the present invention provides is paddy seedbed
Liquid application is strengthened the using method of seedling agent and is changed the application process that the strong seedling agent soil moved in improve the original of tradition is puddled, the strong seedling agent that will have configured, and uses water
Dilution is uniformly sprayed on bed surface, time saving and energy saving, simple to operate, be evenly distributed, seedling is strengthened in diseases prevention, it is fast to turn green, tiller early, increase production
The advantage such as increase income.Particularly in the Rice Production of nonirrigated farmland, operation or work standard of striving for developing skill farming season highlights higher advantage.
Accompanying drawing explanation
Fig. 1 is that base executes strong seedling agent nutrient element releasing rule and rice shoot regulation of fertilizer requirement.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that, technical scheme can be practiced, below in conjunction with specifically
The invention will be further described for embodiment, but illustrated embodiment is not intended as limiting the scope of the present invention.
The problems that the strong seedling agent of tradition exists, such as: protection effect is poor, later stage easily de-fertilizer, educate difficulty in strong sprout, incomplete mixing,
Causing the seedling dish emergence rate containing strong seedling agent is many low, burn seedlings or excessive growth, few containing strong seedling agent or without strong seedling agent seedling dish damping-off is sent out
Raw serious, rice seedling growing way is poor.Find through substantial amounts of experimental study: the strong seedling agent product of existing application, Base-appling once with
There is " price scissors " in rice shoot regulation of fertilizer requirement, concrete as it is shown in figure 1, wherein summit 1. represent and disposably use strong seedling agent fertilizer efficiency peak
Phase, 2. cross point represents that rice shoot is proceeded to heterotrophism by autotrophy.
Meanwhile, research has been found that and can be used for imposing by 40% in base fertilising material, it is provided that after age at weaning, rice shoot nutrition needs
Want, rate in strong sprout more than 30% will be improved, will greatly increase rice yield.Additionally, to soil fungicides (preventing and treating damping-off)
Finding in lasting period research, soil fungicides such as fluorine first, disliking first-class, its lasting period is about about 15 days, the effect duration of regulating acid agent
It is about about 7 days.
Embodiment 1
A kind of cold ground drought is educated paddy seedbed liquid application and is strengthened seedling agent, and described strong seedling agent includes the mixed fertilizer of Nitrogen-and Phosphorus-containing potassium, sterilization
Agent and regulating acid agent, in described strong seedling agent, quick-acting NPK total amounts are 213.1g/kg, and available nitrogen content is 108.7g/kg, rapid available phosphorus contains
Amount is 43.5g/kg for 60.9g/kg, quick-acting potassium content, antibacterial 20g/kg, regulating acid agent 70g/kg.
Wherein, above-mentioned mixed fertilizer is sulphuric acid diammonium, monoammonium phosphate, the mixture of potassium sulfate composition, above-mentioned antibacterial
For hymexazol, above-mentioned regulating acid agent is solid sulphuric acid.
During preparation, weigh sulphuric acid diammonium, monoammonium phosphate, potassium sulfate and hymexazol by said ratio respectively, by each component
It is thoroughly mixed to form mixture, then regulates mixture pH value with solid sulphuric acid as regulating acid agent, obtain described strong seedling agent, through surveying
Examination, the pH value of strong seedling agent is 5.
Embodiment 2
A kind of cold ground drought is educated paddy seedbed liquid application and is strengthened seedling agent, and described strong seedling agent includes the mixed fertilizer of Nitrogen-and Phosphorus-containing potassium, sterilization
Agent and regulating acid agent, in described strong seedling agent, quick-acting NPK total amounts are 270.3g/kg, and available nitrogen content is 120.3g/kg, rapid available phosphorus contains
Amount is 80g/kg for 70g/kg, quick-acting potassium content, antibacterial 10g/kg, regulating acid agent 50g/kg.
Wherein, above-mentioned mixed fertilizer is sulphuric acid diammonium, monoammonium phosphate, the mixture of potassium sulfate composition, above-mentioned antibacterial
For metalaxyl, above-mentioned regulating acid agent is solid sulphuric acid.
During preparation, weigh sulphuric acid diammonium, monoammonium phosphate, potassium sulfate and metalaxyl by said ratio respectively, by each component
Being thoroughly mixed to form mixture, then regulate mixture pH value with solid sulphuric acid, after tested, the pH value of strong seedling agent is 4.5.
Embodiment 3
A kind of cold ground drought is educated paddy seedbed liquid application and is strengthened seedling agent, and described strong seedling agent includes the mixed fertilizer of Nitrogen-and Phosphorus-containing potassium, sterilization
Agent and regulating acid agent, in described strong seedling agent, quick-acting NPK total amounts are 196.7g/kg, and available nitrogen content is 92.5g/kg, available phosphorus contents
It is 48.5g/kg for 55.7g/kg, quick-acting potassium content, antibacterial 7.5g/kg, regulating acid agent 50g/kg.
Wherein, above-mentioned mixed fertilizer is sulphuric acid diammonium, monoammonium phosphate, the mixture of potassium sulfate composition, above-mentioned antibacterial
For thiram, above-mentioned regulating acid agent is solid sulphuric acid.
During preparation, weigh sulphuric acid diammonium, monoammonium phosphate, potassium sulfate and thiram by said ratio respectively, by each component
Being thoroughly mixed to form mixture, then regulate mixture pH value with solid sulphuric acid, after tested, the pH value of strong seedling agent is 5.5.
Embodiment 4
The Oryza sativa L. liquid application using the embodiment of the present invention 1 to provide is strengthened seedling agent and is had only to 2 times dissolve-water execute, it may be said that be
A kind of effective " fool's " technology.Concrete using method is as follows:
After the strong seedling agent dilute 500 times that embodiment 1 is provided, rice leaf is sprayed.Concrete is described strong
Seedling agent is watered at twice and is executed, and wherein, described strong seedling agent base executes 60%, imposes 40% extensin period at rice shoot 2 leaf.
Embodiment 5
The Oryza sativa L. liquid application using the embodiment of the present invention 2 to provide is strengthened seedling agent and is applied fertilizer by dissolving-water for 2 times, concrete
Using method is as follows:
After the strong seedling agent dilute 700 times that embodiment 2 is provided, rice leaf is sprayed.Concrete, described strong
Seedling agent is watered at twice and is executed, and wherein, described strong seedling agent base executes 70%, imposes 30% extensin period at rice shoot 2 leaf.
Comparative example 1
This comparative example must be strengthened CK using Seedling and be strengthened seedling agent as routine, as a example by fluorine first is as soil fungicides, strengthens seedling according to routine
The method of agent uses, and is specially and needs to water for-2 times according to the female soil of seedling bed regulating acid-puddle-puddle bed soil to execute soil fungicides 5
Individual step.
Within 2009, have 5315 booths and employ the strong seedling agent that the present embodiment 1 provides, account for Heilongjiang Province's land reclamation and cultivation booth total
The 19.5% of number, wherein 3935, seven-star farm booth, promote more than 20 ten thousand mu of ground, only about 10 booths have problems,
Account for 2.5 ‰.Strong seedling agent the most provided by the present invention is safe, reliably, can relieved use.In application main performance with
Some advantage lower.
The first, operating procedure is simplified
" process bed soil and do not mix soil, saved good big thing " is generally reacted by peasant household.Bed soil for raising seedlings process need to be fetched earth, sieves soil, be mixed
Soil (mixing strong seedling agent), present stage fetches earth, sieve soil all can mechanization, mixing strong seedling agent needs manual operations, first mixes sample, then with greatly
Heap is puddled, time-consuming, laborious, add input, mixed uneven phenomenon often occurs.The strong the most molten water of seedling agent that the present invention provides waters
Execute, equally facilitate as watering, save trouble.
The second, packing is good
Rice shoot packing quality is to determine that whether rice transplanter uses one of key factor.Packing is of poor quality, and carrying dissipates flower, rice transplanting
Machine just cannot be applied.Seeding stage 2.5 leaf phase (before breast) N fertilizer suppresses root system more, and strong seedling agent leaded wastewater is bigger than normal, and packing effect is not
Good, there is the non-serviceable rice shoot of a large amount of rice transplanter the most every year, change rice transplantation by hand into, affect work efficiency.The embodiment of the present invention 1 carries
It is administered twice that the strong seedling agent of confession changes Base-appling once, and before 1.5 leaf phases, for the first time to use N fertilizer few the root development phase, promotes root system
Growth, 2 leaf phase second time are used, and coordinate above and below ground growth, can solve rice shoot packing problem very well.
3rd, seedling quality is good
Before second time fertilising liquid application seedbed fertilizer compared with compare the long 0.2cm of root length, many 1 of root amount, plant height height 0.2cm, up to a hundred
Strain dry weight weighs 0.13 gram, and seedling quality relatively compares height.But plant is neat, the relatively liquid application seedbed fat jobs of leaf color.Secondary is more right after applying fertilizer
The plant of ratio 1, the wide 0.04cm of stem foot, the long 0.5cm of root length, many 0.4 of root amount, circularity height 0.4mg/cm, seedling quality
Substantially relatively compare, the most as shown in Table 1 and Table 2.The aspect such as leaf age, plant height is not clearly distinguished from, illustrate liquid application seedbed fertile with
Conventional strong seedling agent is promoting on rice shoot growing process basically identical, but seedling quality is apparently higher than the strong seedling agent of comparative example 1, and (Seedling must
Strong).
Table 1 topdress before seedling quality table (Oryza sativa L. institute on May 6th, 2009)
Table 2 topdress after seedling quality table (Oryza sativa L. institute on May 6th, 2009)
4th, fast, tiller is turned green early
The growth characteristics of rice shoot root system are the important physiological parameters in strong sprout." liquid application seedbed is fertile " rice shoot is at root of hair number, root of hair
Power, improving activity of root system and surface area have bigger physiological dominance, and this is the physiological foundation breaking out effect after Oryza sativa L. early childbirth shoot transplanting equipment.
After root of hair number, the enhancing of rooting ability are conducive to transplanting, the rapid of the new root of rice shoot occurs, thus forms good root colony, makes seedling
Seedling is prone to vertical Seedling and turns green.Therefore few 3 days of the period of seedling establishment that " the paddy seedbed fertilizer of solubility " is more conventional, tiller is begun early 1 day phase.
5th, yield is increased
The more conventional strong seedling agent planting percent of the paddy seedbed fertilizer of solubility is high 2 percentage points；Plant height and leaf age are without the poorest
Different, but radical relatively comparative example more than 11 (many 10%), basal part of stem width 0.12mm (high 6.3%), circularity height 0.0115g/cm
(6.64%), seedling quality is significantly better than the conventional seedbed system of comparative example 1.Further in terms of the growing state of Honda, square meter is gathered in the crops
Spike number many 2.0%, many 1.8 of grain number per spike, setting percentage is high 0.8 percentage point, and many 0.4 gram of mass of 1000 kernel, i.e. Yield And Yield Components is equal
Being improved, yield is more conventional high by 4.9%.
As can be seen here, the planting percent that the Oryza sativa L. liquid application using the present invention to provide strengthens the seedling more conventional nursery of agent nursery is high 2 hundred
Branch.Plant height and leaf age no significant difference, but radical relatively comparative example more than 11 (many 10%), basal part of stem width 0.12mm is (high
6.3%), circularity height 0.0115g/cm (6.64%), seedling quality is significantly better than conventional seedbed system.Further from the growth of Honda
Situation is seen, few 3 days of the more conventional period of seedling establishment of the paddy seedbed fertilizer of solubility, and tiller is begun early 1 day phase, square meter results spike number many 2.0%,
Many 1.8 of grain number per spike, setting percentage is high 0.8 percentage point, and many 0.4 gram of mass of 1000 kernel, i.e. Yield And Yield Components is all improved, yield
More conventional high by about 5%.All raw materials are all calculated by retail price, and the cost of every square metre of Seedling field this fertilizer required is 0.35 yuan
Left and right, lower slightly compared with the cost of the most conventional strong seedling agent.
The Oryza sativa L. liquid application that the present invention provides is strengthened seedling agent and is educated in raising rice seedlings link in cold ground drought, preferably resolves rice shoot element
Geological Problems.In terms of the intension of technology, preferably hold with stretching theory, strong seedling and the relation of root system development Cheng Du, taken flat
The steady thinking promoted, has taken into account the growth of root system, has also taken into account the cultivation of potential tiller, and therefore rice shoot is by individuality drilling to colony
Entering and have more regularity, ability of regulation and control can obtain bigger putting to good use.From the method for operation, have employed the fertilizer of solubility, make
Term Fertilization method is more flexible, especially with watering the way executed, saving of labor, saves time, and has stronger excellent in terms of striving for farming season
Gesture.
Embodiment described above is only the preferred embodiment lifted by absolutely proving the present invention, and its protection domain does not limits
In this.The equivalent that those skilled in the art are made on the basis of the present invention substitutes or conversion, all in the protection of the present invention
Within the scope of, protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a cold ground drought is educated paddy seedbed liquid application and is strengthened seedling agent, it is characterised in that described strong seedling agent includes the mixing of Nitrogen-and Phosphorus-containing potassium
Fertilizer, antibacterial and regulating acid agent, in described strong seedling agent, quick-acting NPK total amounts are 160g/kg～320g/kg, and available nitrogen content is
80g/kg～150g/kg, available phosphorus contents are 50g/kg～70g/kg, quick-acting potassium content is 30g/kg～100g/kg, antibacterial
5g/kg～35g/kg, regulating acid agent 20g/kg～90g/kg.
Cold ground the most according to claim 1 drought is educated paddy seedbed liquid application and is strengthened seedling agent, it is characterised in that described strong seedling agent middling speed
Effect nitrogen content is 92.5g/kg～120.3g/kg, available phosphorus contents is 55.7g/kg～70g/kg, quick-acting potassium content is 43.5g/
Kg～80g/kg, antibacterial 7.5g/kg～20g/kg, regulating acid agent 50g/kg～70g/kg.
Cold ground the most according to claim 2 drought is educated paddy seedbed liquid application and is strengthened seedling agent, it is characterised in that described strong seedling agent middling speed
Effect NPK total amount is 213.1g/kg, and available nitrogen content is 108.7g/kg, available phosphorus contents is 60.9g/kg, quick-acting potassium content is
43.5g/kg, antibacterial 20g/kg, regulating acid agent 70g/kg.
4. educate paddy seedbed liquid application according to the cold ground drought described in claim 1-3 and strengthen seedling agent, it is characterised in that described mixed fertilizer
For sulphuric acid diammonium, monoammonium phosphate, the mixture of potassium sulfate composition.
Cold ground the most according to claim 4 drought is educated paddy seedbed liquid application and is strengthened seedling agent, it is characterised in that described antibacterial is selected from
Any one in hymexazol, metalaxyl, thiram.
Cold ground the most according to claim 5 drought is educated paddy seedbed liquid application and is strengthened seedling agent, it is characterised in that described regulating acid agent is solid
Body sulphuric acid.
7. educate paddy seedbed liquid application according to the cold ground drought described in claim 1-3 and strengthen the using method of seedling agent, it is characterised in that will
After described strong seedling agent dilute 400-2000 times, rice leaf is sprayed.
Cold ground the most according to claim 7 drought is educated paddy seedbed liquid application and is strengthened the using method of seedling agent, it is characterised in that described
The extension rate of strong seedling agent is 500～700.
Cold ground the most according to claim 7 drought is educated paddy seedbed liquid application and is strengthened the using method of seedling agent, it is characterised in that described
Strong seedling agent sprays at twice, and wherein, described strong seedling agent base executes 60%～70%, imposes 30%～40% extensin period at rice shoot 2 leaf.
Cold ground the most according to claim 9 drought is educated paddy seedbed liquid application and is strengthened the using method of seedling agent, it is characterised in that institute
State strong seedling agent base and execute 60%, impose 40% extensin period at rice shoot 2 leaf.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117444A (en) * | 2017-12-25 | 2018-06-05 | 陈厚存 | Seedbed conditioner and its production method |
| CN108503433A (en) * | 2018-05-23 | 2018-09-07 | 黑龙江省庆东阳光农业生物科技股份有限公司 | Paddy seedbed conditioner |
| CN110143836A (en) * | 2019-06-27 | 2019-08-20 | 黑龙江省世纪云天国际贸易有限公司 | Using phosphoric acid as regulating acid agent and the rice seedling-growth soil regulator of phosphorus source and its preparation method and application |
| CN110156540A (en) * | 2019-06-28 | 2019-08-23 | 黑龙江省世纪云天国际贸易有限公司 | A kind of liquid rice seedling-growth soil regulator and its preparation method and application |
| CN112552106A (en) * | 2020-12-07 | 2021-03-26 | 史丹利农业集团股份有限公司 | Rice seedling strengthening agent and preparation method and use method thereof |
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| CN108117444A (en) * | 2017-12-25 | 2018-06-05 | 陈厚存 | Seedbed conditioner and its production method |
| CN108503433A (en) * | 2018-05-23 | 2018-09-07 | 黑龙江省庆东阳光农业生物科技股份有限公司 | Paddy seedbed conditioner |
| CN110143836A (en) * | 2019-06-27 | 2019-08-20 | 黑龙江省世纪云天国际贸易有限公司 | Using phosphoric acid as regulating acid agent and the rice seedling-growth soil regulator of phosphorus source and its preparation method and application |
| CN110156540A (en) * | 2019-06-28 | 2019-08-23 | 黑龙江省世纪云天国际贸易有限公司 | A kind of liquid rice seedling-growth soil regulator and its preparation method and application |
| CN112552106A (en) * | 2020-12-07 | 2021-03-26 | 史丹利农业集团股份有限公司 | Rice seedling strengthening agent and preparation method and use method thereof |
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