CN1039583C - Efficient disease-resistance compound liquid microfertilizer - Google Patents
Efficient disease-resistance compound liquid microfertilizer Download PDFInfo
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- CN1039583C CN1039583C CN92111228A CN92111228A CN1039583C CN 1039583 C CN1039583 C CN 1039583C CN 92111228 A CN92111228 A CN 92111228A CN 92111228 A CN92111228 A CN 92111228A CN 1039583 C CN1039583 C CN 1039583C
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- microfertilizer
- little
- composite liquid
- fertilizer
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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
- C05G5/27—Dispersions, e.g. suspensions or emulsions
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The present invention belongs to multiple composite liquid microfertilizer. For overcoming the defect of low fertilizer efficiency of the composite liquid microfertilizer of the prior art, particularly ion interference and antagonism in the preparing and using process among all the elements, a composite liquid microfertilizer with high efficiency and disease resistance is prepared by the present invention with a characteristic that reaction of various trace elements and urea under certain conditions can solve the problem. The composite liquid microfertilizer is used for spraying leaf surfaces, and performs functions of accelerating the growth, preventing blossom dropping and fruit dropping, promoting maturation and improving yield and quality for normally growing plants, and the composite liquid microfertilizer particularly has obvious effect of enhancing body disease resistance and rapidly restoring growth on damaged plants. The composite liquid microfertilizer can be widely used for field crops, fruit trees, vegetables, etc.
Description
The invention belongs to the little fertile preparation field of composite multi-element liquid.
Mainly based on nitrogen, and used chemical fertilizer also is based on nitrogen to the little fertilizer of existing composite multi-element liquid in the agriculture production at present on the element proportioning, and micronutrient levels is generally on the low side, and this has just reduced the practical value of the little fertilizer of composite multi-element liquid.Because of leaf dressing is an additional measure in the farm crop fertilisings, mainly replenish phosphorus, potassium, particularly other trace elements by leaf dressing, if contained P, the K of the little fertilizer of using as leaf dressing of composite multi-element liquid and other trace elements very low just be difficult to play replenish and the effect of regulating crop alimentary.For example, commercially available multielement micro-fertilizer (production of chemical plant, Dalian), this product is nitrogenous 17%, phosphorus 1.8%, potassium 3.3%, cupric, zinc, iron, manganese, magnesium, each 0.01-0.015% of calcium, contain molybdenum 0.001%, boracic, sulphur each 0.1%, pH 6-7, add water 300-600 times foliage-spray, consumption 0.5Kg/ mu, every kind of crop is sprayed 4-5 time; And for example good harvest plain (make in Shenzhen rich company limited in prestige field), this product contains N3%, K8ppm, Zn0.5ppm, contains methyl catechol sodium 1.7%, and pH9.0 adds 5000 times of foliage-sprays of water, consumption 10ml/ mu, 4 yuan/Kg of price.The plain exogenous hormone methyl catechol sodium that mainly contains plant of good harvest, other contained nutrition seldom are diluted to 5000 times again during use, so be difficult to satisfy the demand of plant-growth to nutrient substance, cell fission and elongation are quickened in main still playing, and promote the effect of plant-growth.And often use plant growth hormones separately in large quantities, then can cause the consequence of the remaining green when it is due to become yellow and ripe prominent length of crop, the lodging underproduction.
In addition, as multi-element high-efficient fertilizer applied on leaves (Chinese patent CN91106791.4), wherein micronutrient levels is higher, but does not see that the detailed report of producing implementation result is arranged.
Existing composite multi-element liquid little fertile be that micronutrient levels is low on the one hand, be on the other hand between the various trace elements make and use in can antagonistic action take place and cause some element formation indissoluble thing and lost efficacy, cause the waste of manpower and materials; And the little fertilizer of the composite multi-element liquid of prior art is to the disease resistance that improves crop and to the recovery life poor-performing of the crop that is injured.
Purpose of the present invention just provides the preparation method of the little fertilizer of a kind of composite multi-element liquid, make and adopt the little fertilizer of composite multi-element liquid of this method preparation to contain various trace elements, and content of elements is relatively higher than like product, these trace elements are complex form with urea and exist, can avoid between the various trace elements make and use in the ion interference and the antagonistic action that take place, guarantee that various nutritive elements are simultaneously to the validity of crop, fertilizer efficiency height not only, and can strengthen the disease resistance of crop body, preparation technology is simple, simple for use simultaneously.
The little fertile preparation method's of composite multi-element liquid of the present invention technical scheme is: it is that urea is mixed with water, is heated to 60-80 ℃, is neutralized to pH=3-4 with HCl, adds except KH again
2PO
4Easy the to be molten metal-salt of various trace elements in addition under agitation keeps 60-70 ℃, reacts 0.2-1 hour, takes advantage of heat to add KH then
2PO
4, stir, add again in advance with hot water dissolving's anion surfactant alkyl sodium sulfonate or sodium alkyl sulfate with the plant growth hormones methyl catechol sodium or the α-Nai Yisuan of dissolve with ethanol, stir, add water to constant volume at last, cool off.
In preparation method of the present invention, also can not add plant growth hormones, in above-mentioned prescription to adapt to the not growth needs of crop of the same race, if the plant growth hormones that adds is more then wooden phenol sodium that then add-on is 0.05-0.10% (weight); If what add is α-Nai Yisuan, then add-on is 0.5-1.0%.
Adopt the preparation method of the little fertilizer of composite multi-element liquid of the present invention, for example can adopt following prescription: the weight percent of contained storage element is in the little fertilizer of composite multi-element liquid: N: P: K: Cu: Zn: Fe: Mn: Mg: B: Mo: anion surfactant is 6-12: 3-6: 4-7: 0.02-0.2: 0.1-0.6: 0.1-0.5: 0.1-0.5: 0.1-0.5: 0.02-0.2: 0.01-0.1: 0.3-0.6.
Preparing capacity as desire is 10 liters the little fertilizer of composite multi-element liquid, weighs the weight of the metal-salt of urea and various elements earlier by above-mentioned prescription requirements, with various metallic salts pulverizing (not having bulk gets final product), and with its (KH
2PO
4Except) be mixed standby.
Earlier load weighted urea is dropped in the reactor, add 6 liters in water, be heated to 60-80 ℃, adjust pH=3-4, add the above-mentioned various metallic salt (KH that pulverize, are mixed then with HCl
2PO
4Except), constantly stir, keep 60-70 ℃, reaction was carried out 0.2-1 hour, take advantage of heat to add KH then
2PO
4, and stir, add anion surfactant and the prior hormone of using the hot water dissolving in advance again with dissolve with ethanol, constantly stirred 5-10 minute, add water to 10 liters of constant volumes later on, be cooled to below 40 ℃ and can bottle.
In the preparation method of the little fertilizer of composite multi-element liquid of the present invention, the purpose that adds anion surfactant is to make nutrient substance be easy to set in the use that sprays crop etc. to be difficult for being washed away by rainwater etc.
Adopting its finished product of the little fertilizer of composite multi-element liquid of method of the present invention preparation is light green milk sap, and solution can layering through depositing after, and the bottom is the emulsus thing, and upper clear supernate is light blue green, shakes during use all to convert water 300-500 and doubly get final product.
The preparation method of the little fertilizer of composite multi-element liquid of the present invention is based on containing various trace elements, and these content of elements generally all are higher than amount contained in the like product, key is, preparation method of the present invention utilized chemical nitrogen fertilizer urea can with trace element in multiple metallic salt reacting generating complex under certain conditions, as generate urea zinc, urea copper, urea iron, urea manganese etc., thereby can avoid trace element ion interference and antagonistic action of taking place in preparation and use, guarantee that various nutritive elements are simultaneously to the validity of crop.
In the little fertile preparation method of composite multi-element liquid of the present invention, raw material sources are easy: nitrogen source can be agrochemical urea in urea, and other trace element can be taken from the salt of this micro-commercial grade, potassium primary phosphate for example, copper sulfate, zinc sulfate, ferric sulfate, manganous sulfate, sal epsom, ammonium molybdate etc., boron are preferably taken from boric acid (technical grade gets final product).
Adopt the little fertilizer of composite multi-element liquid of the inventive method preparation to contain the required multiple nutrient of plant-growth, can be absorbed by plant stem-leaf rapidly, promote growth and development of plants.Through on probation on crops such as wheat, paddy rice, vegetables, fruit tree, all receive unusual effect in teams such as west, eastern suburb, Beijing horse, Meng Fen, the Ding Xin village, the Ding Fu village, northern doube bridge, doube bridge orchards.Black peasant household's science and technology station compares test with domestic and international 20 several like products and the present invention to warp in 1991 on the doube bridge farm, and its effect comes out at the top.
Facts have proved, with the little fertilizer of composite multi-element liquid of the adding methyl catechol sodium of the inventive method preparation be applicable to field crop, seed dressing and seedling stage foliage-spray, have additional nutrients, improve photosynthetic efficiency, accelerate growth, quicken to divide evil and strengthen the plant disease-resistant performance; Add the little fertilizer of composite multi-element liquid of α-Nai Yisuan, be applicable to vegetable garden, fruit tree, flowers whole growth phase foliage-spray, the raising photosynthetic efficiency is arranged, strengthen resistance against diseases, accelerate to grow and prevent fruit drop, the effect that improves quality; The little fertilizer of composite multi-element liquid that does not add plant growth hormones is applicable to field crop heading and the foliage-spray of filling stage, helps the formation of fringe differentiation and seed, can accelerate nutrient and transform, and quickens filling speed, improves thousand seed weight, reduces sterile grain rate.
Adopt the little fertilizer of composite multi-element liquid of the inventive method preparation can make increasing production of rice 15-20%, wheat 10-15%, vegetables, fruit tree 10-30%, cotton, corn are more than 10%, and general every kind of crop sprays 2-3 time, 0.1Kg/ mu.
Particularly for general dysgonic plant, the little fertilizer of composite multi-element liquid has unique effect to it: grow not long after turning green as wheat; Paddy rice is taken off behind the film a little less than the yellow seedling of seedling; Atrophy is regardless of evil behind the rice transplanting; Tiller is slow behind the vegetable transplanting, fruit tree yellowtop etc., spray this product after, all can take a turn for the better rapidly.
Adopt the little fertilizer of composite multi-element liquid of the inventive method preparation, toxicological harmless, no negative interaction can use with agricultural chemicals.Every mu of consumption is 0.1Kg/ time during use, converts water 300-500 doubly, sooner or later foliage-spray.In addition, product of the present invention is to oidium, the Powdery Mildew of cucumber, asparagus lettuce, the gray mold of tomato, eggplant, late blight, and other class nutritional deficiency diseases of the banded sclerotial blight of paddy rice, damping-off, helminthosporium leaf spot and crop etc. all have significant effect.
Adopt the little fertilizer of composite multi-element liquid of the inventive method preparation, can also regulate the add-on of various elements in the fertilizer, make it more effectively to remedy the deficiency of soil nutrient or reduce unlike the waste of wanting in conjunction with the soil constituent analysis of different areas.
Compared with prior art, the preparation method of the little fertilizer of composite multi-element liquid of the present invention has following advantage:
1. preparation technology is simple, is easy to grasp, and facility investment is few, and raw material is easy to get, and is applicable to scale operation, also is applicable to township and village enterprises and individual production, and economic benefit is higher;
2. the contained nutrient for plants kind of the little fertilizer of composite multi-element liquid that adopts the inventive method to prepare is many, content is high.Can be absorbed by stem leaves of plants rapidly, promote the production of plant to grow, the crop of promotion precocity be arranged, the effect that improves crop yield and quality;
3. adopt the various trace elements of the little fertilizer of composite multi-element liquid of the inventive method preparation to be active condition, antagonism not mutually in use, can give full play to the nutrition of various elements renders a service, the not only effects of nutritious plant such as copper, zinc, iron, manganese, magnesium, the ability that also has sterilization and enhancing photosynthesis of plant simultaneously, strengthen disease-resistant mechanism, promote the healthy and strong growth of crop, can prevent and eliminate the multiple diseases of crop;
4. adopt the little fertilizer of composite multi-element liquid of the inventive method preparation to contain a small amount of hormone, the weak seedling due to physical chemical factor is had rapid recovery life, makes its effect that pulls through, fruit vegetables is had the effect that prevents fallen flowers, shedding;
5. adopt the little fertile toxicological harmless of composite multi-element liquid, the nothing of the inventive method preparation to pay effect, can use with agricultural chemicals, and easy to use.
Be embodiments of the invention below:
Embodiment 1: the preparation of the little fertilizer of composite multi-element liquid
Get urea 2000g, KH
2PO
42000g, CuSO
45H
2O 50g, ZnSO
47H
2O 150gFeSO
47H
2O 100g, MnSO
47H
2O 100g, MgSO
47H
2O 200g, H
3BO
350g, (NH
4)
6Mo
7O
244H
2O 20g, alkyl sodium sulfonate 12g, the methyl catechol sodium of hormone 5% (or α-Nai Yisuan of 50%) 100ml, the little fertilizer of making by above-mentioned preparation method of composite multi-element liquid is called for short multiple little A, if do not add the little fertile multiple little B that is called for short of composite multi-element liquid that hormone is made, general designation multiple little (for the purpose of following record is convenient).
Application example 2: the little fertilizer of composite multi-element liquid is done the effect of increasing production test on paddy rice
Multiple little effect of increasing production of doing on the rice terrace of doube bridge farm (Beijing) of embodiment 1 preparation is tested (1991), the amount of spraying 0.1g/ mu time (converting 500 times of dilutions of water), branch evil and filling stage secondary in paddy rice spray, the multiple little A (hormone is a methyl catechol sodium) of branch evil Sheng phase early July spray, the multiple little B of filling stage late August spray, it the results are shown in subordinate list 1 multiple little effect of increasing production test (doube bridge farm 1991) on paddy rice.
Application example 3: multiple little eight kinds of multielement compound micro fertilizers with prior art of embodiment 1 preparation are used on paddy rice oppose than test.
The simultaneous test that multiple nine kinds of multielement compound micro fertilizers such as little grade use on paddy rice (black peasant household's science and technology station 1991), it the results are shown in subordinate list 2, (using method is with embodiment 2)
Application example 4: multiple little effect of increasing production test on wheat paddock.
Spray again the simultaneous test of little (as embodiment 1 preparation) and multielement micro-fertilizer from wheat, as can be seen, wheat is at period of seedling establishment and the filling stage is sprayed again little A respectively and multiple little B once increases production more than 20% than control group, every mu of pure benefit can reach 70 yuan, and the processing that sprays 2 multielement micro-fertilizers the same period only increases production 7% than control group, every mu of pure benefit has only 16 yuan, sees Table 3.
Application example 5: multiple little (the hormone α-Nai Yisuan) of embodiment 1 preparation done the effect of increasing production test on vegetables.
(1). multiple little result of use on lettuce:
The lettuce of two teams of long battalion is in mid-May, 1992, and four furrow have sprayed multiple little A (converting 300 times in water), and four furrow compare (not spray), and every furrow area is 8m * 1.5m=12m
2, spacing in the rows 33cm, every ridge cultivation two row spray twice altogether, and early June gathers, 60 jin of every furrow mean yields of the multiple little A of spray, 3335 jin of folding per mu yields, average 44 jin of contrast furrow, 2445 jin of folding per mu yields, the volume increase 36.4% of the multiple little B of spray.
In addition, oidium takes place the first tenday period of a month in May, 1992 in the lettuce of the production team of tower battalion, the almost all withered only remaining cabbage heart of blade, spray again little A through twice after, oidium is controlled, the ramp of lettuce young leaves, every mu of harvest that obtains more than 2000 jin at last.
(2). Ding Fu village east team opens * * contracted two booths, one of them booth tomato has been gone up gray mold the first tenday period of a month in May, 1992, blade is withered dead, first fringe fruit almost all falls light, canopy cloth is taken off, preparation changes other vegetables of clock, after sprayed for the first time multiple little A (converting 300 times in water) on May 15, sb.'s illness took a favorable turn in the spray back, then in May 21 and May 27 continuous again sprayed multiple little A (converting 300 times in water) twice, gray mold has thoroughly been controlled, a seedling robust growth, tomato is not only big but also round, and per mu yield as a result is up to 12000 jin, 3000 jin of 9000 jin of fecund of another canopy tomato per mu yield of the multiple little A of the not ill spray of ratio, volume increase 22.2%.
(3). heavy emerging temple Lee's * contract open country cucumber, get oidium and aphid the first tenday period of a month in May, the multiple little A (converting 500 times in water) of spray in Mays 15, sb.'s illness took a favorable turn in the spray back, in the multiple little A (converting 300 times in water) of spray in Mays 22, adds zineb (converting 300 times in water) again, spray multiple little A (converting 300 times in water) for the third time May 30 again and quicken to kill fourth (converting 1000 times in water), process sprays for above-mentioned three times, and oidium and the aphid of cucumber are under control, as a result 21 furrow (every furrow 7m * 1.3m=9.1m
2), count 2500 jin of 0.3 mu of gross output cucumber, 8300 jin of per mu yields of folding do not have only 6240 jin and go up the control group per mu yield cucumber that disease do not spray, and the former increases production 33%, and robust plant is dark green, do not fall flower, sugar-preserved gourd is good, and palatability is strong, show the little fertilizer of composite multi-element liquid by the inventive method preparation---multiple little can with other agricultural chemicals compounding applications, and can strengthen diseases prevention, the disease resisting effect of crop effectively.
Application example 6: multiple little (hormone is a α-Nai Yisuan) of embodiment 1 preparation made effect test on fruit tree.
(1) the biennial griggles in .1990 stone cistern in autumn orchard got yellowtop, it seems the difficulty of surviving the winter at that time, and through spraying again little A once, it is green that all rear blades change rapidly, is able to safe overwintering.
(2) yellowtop also once took place in 20 years of the black peasant household orchard of .1991 the livings Big Apples trees and the grape of deceiving peasant household's garden spot, also all obtained improvement through spraying again after little.
Subordinate list 1
| Handle | The place | Mu spike number (ten thousand) | Grain number (individual) | Thousand seed weight (gram) | Sterile grain rate (%) | Real producing | Volume increase (%) | Volume increase (jin/mu) | Yield increase effect (unit/jin) | Increase expenditure (unit/mu) | Pure benefit (unit/mu) |
| Multiple little twice of spray (dividing evil, grouting) | North, street, two northern Xin Er district, six districts, fixed east two saves land | 29.7 24.1 25.5 | 93.8 98.4 77.7 | 26.5 27.5 28.1 | 2.0 5.5 3.9 | 994.5 1015.9 856.8 | 20.0 28.3 22.8 | 166.2 224.3 159.1 | 83.1 112.2 79.6 | 6 6 6 | 77.1 106.2 73.6 |
| On average | 26.4 | 90.0 | 27.4 | 3.8 | 955.7 | 23.7 | 183.2 | 91.6 | 6 | 85.8 | |
| Contrast | North, street, two northern Xin Er district, six districts, fixed east two saves land | 27.1 15.3 19.6 | 78.4 107.7 83.5 | 26.0 27.3 27.1 | 5.0 7.4 7.7 | 828.3 791.6 697.7 | |||||
| On average | 20.7 | 89.9 | 26.8 | 6.7 | 772.5 |
Subordinate list 2
| Handle | Real produce (kilogram/mu) | Volume increase (%) | Volume increase (kilogram/mu) | (unit/mu) increases benefit | Increase (unit/mu) | Pure benefit (unit/mu) | |||
| I | II | III | X | ||||||
| The strong living plain green prosperous Huolisu of multiple A, B farming section's 904 IDALL receipts sprays the contrast of precious multielement micro-fertilizer good harvest treasured | 510.3 494.9 493.1 485.4 488.2 482.2 469.5 466.7 451.6 451.2 | 500.0 501.8 495.7 492.3 488.4 478.2 475.0 465.4 456.1 453.9 | 490.0 488.4 492.0 495.4 482.0 481.4 476.7 469.5 461.5 453.9 | 497.1 495.1 493.6 491.0 486.2 480.6 473.8 467.2 556.4 455.0 | 9.3 8.8 8.5 7.9 6.9 5.6 4.1 2.7 0.3 - | 42.1 40.4 38.6 36.0 31.2 25.6 18.8 12.2 1.4 - | 42.1 40.4 38.6 36.0 31.2 25.6 18.8 12.2 1.4 - | 6 6 4 6 8 8 2 4 2 - | 36.1 34.0 34.6 30.0 23.2 27.6 16.8 8.2 |
Annotate: multiple A, B represent the multiple little A (hormone is a methyl catechol sodium) of product of the present invention and multiple little B in the table.
Subordinate list 3
| Time | The place | Handle | Real produce (jin/mu) | Volume increase (jin/mu) | Volume increase (%) | (unit/mu) increases benefit | Increase (unit/mu) | Pure benefit (unit/mu) | |||
| I | II | III | X | ||||||||
| 1989 | The Meng grave one district | Multiple little | 848.5 | 869.7 | 878.0 | 865.4 | 164.3 | 23.4 | 82.15 | 6 | 76.15 |
| Multielement micro-fertilizer | 763.3 | 789.4 | 773.2 | 775.3 | 74.2 | 10.6 | 37.10 | 6.2 | 30.90 | ||
| Contrast | 694.7 | 698.4 | 710.2 | 701.1 | - | - | - | - | - | ||
| 1990 | The Shuan Bei threshing ground | Multiple little | 984.6 | 935.4 | 1009.2 | 976.4 | 190.4 | 24.2 | 95.20 | 6 | 89.20 |
| Multielement micro-fertilizer | 911.3 | 876.5 | 997.8 | 895.2 | 109.2 | 13.9 | 54.60 | 6.2 | 48.40 | ||
| Contrast | 798.2 | 769.3 | 790.5 | 786.0 | - | - | - | - | |||
| 1991 | West Ma Cunnan | Multiple little | 769.4 | 781.2 | 754.3 | 768.3 | 154.9 | 25.3 | 77.45 | 6 | 71.45 |
| Multielement micro-fertilizer | 677.8 | 637.5 | 662.3 | 659.2 | 45.8 | 7.5 | 22.90 | 6.2 | 16.70 | ||
| Contrast | 610.0 | 601.5 | 628.7 | 613.4 | - | - | - | - | - | ||
Claims (1)
1. the preparation method of the little fertilizer of composite multi-element liquid is characterized in that, it is that urea with 16.67 parts of weight mixes with the water of 50 parts of weight, is heated to 60-80 ℃, is neutralized to pH=3-4 with HCl, adds the CuSO of 0.42 part of weight again
45H
2The ZnSO of O and 1.25 parts of weight
47H
2The FeSO of O, 0.83 part of weight
47H
2The MnSO of O, 0.83 part of weight
47H
2The MgSO of O, 1.67 parts of weight
47H
2The H of O, 0.42 part of weight
3BO
3(NH with 0.16 part of weight
4)
6Mo
7O
244H
2The mixture of O under agitation keeps 60-70 ℃, reacts 0.2-1 hour, takes advantage of heat to add the KH of 16.67 parts of weight then
2PO
4Stir, add 0.1 part of weight again prior with the hot water dissolving the anion surfactant alkyl sodium sulfonate or sodium alkyl sulfate and 0.83 part of weight with 5% methyl catechol sodium of dissolve with ethanol or with 50% α-Nai Yisuan of dissolve with ethanol, stir, add at last water to the 100 part weight cooling of 10.15 parts of weight again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92111228A CN1039583C (en) | 1992-10-09 | 1992-10-09 | Efficient disease-resistance compound liquid microfertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92111228A CN1039583C (en) | 1992-10-09 | 1992-10-09 | Efficient disease-resistance compound liquid microfertilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1085535A CN1085535A (en) | 1994-04-20 |
| CN1039583C true CN1039583C (en) | 1998-08-26 |
Family
ID=4945227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92111228A Expired - Fee Related CN1039583C (en) | 1992-10-09 | 1992-10-09 | Efficient disease-resistance compound liquid microfertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039583C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617223A (en) * | 2011-01-31 | 2012-08-01 | 顾瑞麟 | Multifunctional trace elements-containing water-soluble fertilizer |
| CN103145480A (en) * | 2012-11-13 | 2013-06-12 | 陈卫文 | Compound fertilizer suitable for lettuce planting in high fertility area |
| CN102992842A (en) * | 2012-11-20 | 2013-03-27 | 陈卫文 | Compound fertilizer suitable for lettuce cultivation in low-fertility and medium-fertility districts |
| CN103449885B (en) * | 2013-09-09 | 2014-10-29 | 湖南省土壤肥料研究所 | Chinese clover strong seed leaf microelement fertilizer and use method thereof |
| CN106472570A (en) * | 2016-10-13 | 2017-03-08 | 合肥润雨农业科技有限公司 | A kind of anti-shedding inorganic agent of Fructus Pruni pseudocerasi |
| CN106982829A (en) * | 2017-04-12 | 2017-07-28 | 江苏金凤凰农化有限公司 | Application and application process of the guaiacol in preventing and treating lettuce disease |
| CN107721575A (en) * | 2017-10-20 | 2018-02-23 | 成都盛世光华生物科技有限公司 | A kind of banyan nutrient solution with strong points and its application |
| CN111848278B (en) * | 2020-07-28 | 2022-04-08 | 湖南农业大学 | Return fertilizer composition for mechanical transplanting, return fertilizer and application method and application thereof |
-
1992
- 1992-10-09 CN CN92111228A patent/CN1039583C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1085535A (en) | 1994-04-20 |
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