CN103524195B - Tobacco seedling growing fertilizer and preparation method thereof - Google Patents
Tobacco seedling growing fertilizer and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the field of agricultural crop production and particularly relates to a tobacco seedling growing fertilizer and a preparation method of the tobacco seedling growing fertilizer. The tobacco seedling growing fertilizer comprises the following materials of 15.00%-25.00% of ammonium dihydrogen phosphate, 40.00%-50.00% of potassium nitrate, 30.00%-40.00% of phosphorus nitramine, 0.01%-0.50% of epsom salt, 0.02%-1.00% of iron vitriol, 0.01%-1.00% of manganese sulfateheptahydrate, 0.01%-0.50% of copper sulfate pentahydrate, 0.01%-0.50% of zinc sulfate heptahydrate, 0.10%-0.50% of boric acid, 0.008%-0.50% of ammonium molybdatetetrahydrate, and 0.008%-0.032% of 100g/L hydrolytic-resistance stable ion titanium solution. The invention further provides a preparation method of the tobacco seedling growing fertilizer. The method comprises crushing, blending, drying and packaging the material to obtain the product. The product, as a special tobacco seedling growing fertilizer, is an efficient chemical fertilizer which can maintain the balance of nutrients in the tobacco seedling, promote the growth of the tobacco seedling and improve the cultivation of resilience of the tobacco seedling.
Description
Technical field
The invention belongs to agricultural planting industry field, be specifically related to a kind of tobacco seedling fertilizer and preparation method thereof.
Background technology
Nurturing staff is the primary link of tobacco leaf production, is to obtain high-quality to fit the basis of producing tobacco leaf.Allotment full-valence nutrition liquor ensure that the growth that tobacco seedling is healthy and strong.Nutritive element is dissolved in the water completely, and in whole seedling raising process, cured tobacco seedling obtains abundance, even, continual nutrient element.Change open country nursery apply fertilizer with soil solution infiltration, fixing, run off thus reduce the phenomenon of plant recovery of nutrient.Change the pouring fertilization mode of tradition spray, avoid the detrimentally affect of watering cigarette strain growth, ensure that the clean and clean of cigarette strain blade, block an important channel of disease, worm, crop smothering propagation.
Floating seedlings represents the advanced level of international tobacco seedling, various countries' spreads such as the current U.S., Zimbabwe, Brazil, this seedling raising manners is once bred as cigarette seedling, eliminate in conventional seedbed system and heel in process, not only reduce the amount of labour used of nursery work, more decrease seedbed area, avoid the injury heeled in root system, it is more neat that seedling stalwartness is unanimously conducive to seedling replanting grown in field.Seedling factorial praluction technology is the new agricultural technology grown up external beginning of the eighties late 1970s, and it is mainly used in vegetables and flowers nursery, also can be used for farm crop as tobacco, cotton, the nursery of economic nursery stock.
At present, tobacco floating seed rearing technology is in national widespread use, but various places nursery fertilizer type is various, and seedling quality is uneven.So far industry, country's " tobacco seedling fertilizer " standard is not also formed.Most employing N, P
2o
5, K
2o macroelement fertilizer, if add trace element fertilizer be also only limitted to B, Zn, Mg tri-elements, many people think: become be water become with matrix trace element just meet growth of seedling.1. plant-growth needs 16 kinds of necessary nutritive element (C, H, O, N, P, K, Ca, Mg, B, Fe, Cl, Na, Cu, Zn, S, Mn, its C, H, O are extensively present in water and air, and Ca, Cl, Mn, Na are present in pvc material water bed, use in the matrix of the carriers such as the peat composed of rotten mosses, sand, stalk) and multiple beneficial element (Mo, Ti etc.); 2. to meet the nutritive element needed for seedling growth rule simultaneously; 3. the balance of nutritive element need meet " minimum Nutrient Factor theory of control ", i.e. " bucket is theoretical ".The tobacco seedling dedicated fertilizer now mostly used does not meet above-mentioned three conditions, and thus strong sprout, rate was low.
Summary of the invention
The present invention mainly solve nutrition unbalanced or use the shortcomings such as operation inconvenience and cause that cigarette seedling growing way is uneven, rate in the strong sprout problem such as low.
First technical problem to be solved by this invention is to provide a kind of tobacco seedling fertilizer.This fertilizer is obtained by the raw material of following weight proportion: primary ammonium phosphate 15.00 ~ 25.00%, saltpetre 40.00 ~ 50.00%, nitre ammonia phosphorus 30.00 ~ 40.00%, magnesium sulfate heptahydrate 0.01 ~ 0.50%, iron vitriol 0.02 ~ 1.00%, seven water manganous sulfates 0.01 ~ 1.00%, cupric sulfate pentahydrate 0.01 ~ 0.50%, Zinc Sulphate Heptahydrate 0.01 ~ 0.50%, boric acid 0.10 ~ 0.50%, four water ammonium molybdates 0.008 ~ 0.50%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.008 ~ 0.032%.
Preferably, above-mentioned tobacco seedling fertilizer, is obtained by the raw material of following weight proportion: primary ammonium phosphate 18.00 ~ 22.00%, saltpetre 43.00 ~ 47.00%, nitre ammonia P 32 .00 ~ 36.00%, magnesium sulfate heptahydrate 0.10 ~ 0.30%, iron vitriol 0.15 ~ 0.35%, seven water manganous sulfate 0.10 ~ 0.30%, cupric sulfate pentahydrate 0.08 ~ 0.12%, Zinc Sulphate Heptahydrate 0.08 ~ 0.12%, boric acid 0.10 ~ 0.20%, four water ammonium molybdate 0.01 ~ 0.03%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.01 ~ 0.03%.
Further, preferably, above-mentioned tobacco seedling fertilizer, is obtained by the raw material of following weight proportion: primary ammonium phosphate 20%, saltpetre 45%, nitre ammonia phosphorus 34%, magnesium sulfate heptahydrate 0.20%, iron vitriol 0.20%, seven water manganous sulfate 0.20%, cupric sulfate pentahydrate 0.10%, Zinc Sulphate Heptahydrate 0.10%, boric acid 0.16%, four water ammonium molybdate 0.02%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.02%.
Second technical problem that the present invention solves is to provide the preparation method of above-mentioned tobacco seedling fertilizer.The method comprises the following steps:
A, primary ammonium phosphate, saltpetre, nitre ammonia phosphorus are mixed at normal temperature condition by proportioning, mixing limit, limit adds resistant to hydrolysis-stabilizing ion titanium aqueous solution, and mixture is dried to free water content within 1wt%, pulverizes, for subsequent use;
B, by proportioning by magnesium sulfate heptahydrate, iron vitriol, seven water manganous sulfates, cupric sulfate pentahydrate, Zinc Sulphate Heptahydrate, boric acid and four water ammonium molybdates normal temperature condition mixing after pulverize, for subsequent use;
C, get a, b gained work in-process mixing, mix thoroughly, get product after quantitative package.
Preferably, above-mentioned preparation method, in step a, described drying temperature is 45 ~ 50 DEG C.
Preferably, above-mentioned preparation method, in step a, described grinding particle size is no more than 0.35mm.
Preferably, above-mentioned preparation method, in step b, described grinding particle size is no more than 0.35mm.
Nitric nitrogen, copper sulfate, ammonium molybdate, the purposes of ion titanium in tobacco seedling fertilizer.
Fertilizer prepared by the present invention can cushion the pH value of larval rearing water, optimum tobacco seedling growth about 6.8 can be transferred to voluntarily in pH value too high (>=7.5) or too low (≤6.5), simplify and add sulfuric acid or lime water and regulate the loaded down with trivial details of larval rearing water pH value, accelerate seedling Nitrogen Absorption simultaneously; With the addition of the beneficial element Mo ion of root growth in raw material of the present invention, can promote that active root system amount increases; With the addition of the cupric ion higher than nutrient requirement, growth of seedling root system is made to pass the outer root growth (coiling outer root system is invalid) of slight " poisoning " suppression dish of root system in seedling pan water hole, in nursery, save and cut invalid farming operation link, reduce root system mechanical trauma, reduce pathogeny thing, especially reduce the intrusion of tobacco mosaic virus (tmv) virus, balck shank pathogenic bacteria; Add resistant to hydrolysis-stabilizing ion titanium aqueous solution, improving seedling resistance, there is early blossoming after preventing seedling replanting land for growing field crops, promotes growth of seedling simultaneously in especially winter resistance; The present invention reaches and cultivates anosis strong sprout, " early growth and quick tiller ", raising resistance, the quality that improves, raising output after transplanting land for growing field crops.
Embodiment
A kind of tobacco seedling fertilizer, is obtained by the raw material of following weight proportion: primary ammonium phosphate 15.00 ~ 25.00%, saltpetre 40.00 ~ 50.00%, nitre ammonia phosphorus 30.00 ~ 40.00%, magnesium sulfate heptahydrate 0.01 ~ 0.50%, iron vitriol 0.02 ~ 1.00%, seven water manganous sulfate 0.01 ~ 1.00%, cupric sulfate pentahydrate 0.01 ~ 0.50%, Zinc Sulphate Heptahydrate 0.01 ~ 0.50%, boric acid 0.10 ~ 0.50%, four water ammonium molybdate 0.008 ~ 0.50%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.008 ~ 0.032%.
Preferably, above-mentioned tobacco seedling fertilizer, is obtained by the raw material of following weight proportion: primary ammonium phosphate 18.00 ~ 22.00%, saltpetre 43.00 ~ 47.00%, nitre ammonia P 32 .00 ~ 36.00%, magnesium sulfate heptahydrate 0.10 ~ 0.30%, iron vitriol 0.15 ~ 0.35%, seven water manganous sulfate 0.10 ~ 0.30%, cupric sulfate pentahydrate 0.08 ~ 0.12%, Zinc Sulphate Heptahydrate 0.08 ~ 0.12%, boric acid 0.10 ~ 0.20%, four water ammonium molybdate 0.01 ~ 0.03%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.01 ~ 0.03%.
Further, preferably, above-mentioned tobacco seedling fertilizer, is obtained by the raw material of following weight proportion: primary ammonium phosphate 20%, saltpetre 45%, nitre ammonia phosphorus 34%, magnesium sulfate heptahydrate 0.20%, iron vitriol 0.20%, seven water manganous sulfate 0.20%, cupric sulfate pentahydrate 0.10%, Zinc Sulphate Heptahydrate 0.10%, boric acid 0.16%, four water ammonium molybdate 0.02%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.02%.
The preparation method of above-mentioned tobacco seedling fertilizer, comprises the following steps:
A, primary ammonium phosphate, saltpetre, nitre ammonia phosphorus are mixed at normal temperature condition by proportioning, mixing limit, limit adds resistant to hydrolysis-stabilizing ion titanium aqueous solution, and mixture is dried to free water content within 1wt%, then pulverizes, for subsequent use;
B, by proportioning by magnesium sulfate heptahydrate, iron vitriol, seven water manganous sulfates, cupric sulfate pentahydrate, Zinc Sulphate Heptahydrate, boric acid and four water ammonium molybdates normal temperature condition mixing after pulverize, for subsequent use;
C, get a, b gained work in-process mixing, mix thoroughly, get product after quantitative package.
Preferably, above-mentioned preparation method, in step a, described drying temperature is 45 ~ 50 DEG C.
Through great many of experiments invention, in tobacco seedling fertilizer, use nitrogenous source to be nitric nitrogen 60% and ammonium nitrogen 40%, can promote that cigarette strain is to the absorption of nitrogen, improve rate in strong sprout.Result of study, when seedling, with N% ︰ P
2o
5% ︰ K
2it is the highest that O%=20% ︰ 10% ︰ 20% processes seedling quality, its stem up to 12.19cm, maximum leaf area 53.99cm
2, root, stem, leaf fresh (doing) are heavy is also significantly higher than N% ︰ P
2o
5% ︰ K
2o%=20% ︰ 20% ︰ 20% and 10% ︰ 10% ︰ 20% liang processes the situation of seedling, with N% ︰ P
2o
5% ︰ K
2o%=10% ︰ 10% ︰ 20% processes slightly well, N% ︰ P
2o
5% ︰ K
2o%=20% ︰ 10% ︰ 20% process is conducive to the growth in cigarette seedling early stage.
Find, CuSO simultaneously
45H
2o not only effectively can suppress invalid of the growth of cigarette strain root system in water, stops growing of algae in nutritive medium, becomes effective root, reduce invalid spiral root, and be conducive to the raising of seedling quality.
The present invention is according to crop " minimum nutrient rate-bucket is theoretical ", according to tobacco (being mainly flue-cured tobacco, burley tobaccos, Turkish tobaccos) tobacco seedling growth to the absorbing rule of nutritive element, macroelement, essential trace element, healthy trace elements with household, plant-growth regulator etc. the special full price nursery fertilizer of tobacco be must be combined into, stdn use and plant produced are convenient to.
Fertilizer prepared by the present invention can cushion the pH value of larval rearing water, adds containing NO in larval rearing water
3after the special nursery fertilizer of the tobacco 24 ~ 48h of-N60%, optimum tobacco seedling growth about 6.8 can be transferred to voluntarily in pH value too high (>=7.5) or too low (≤6.5), simplifies to add sulfuric acid or lime water and regulate the loaded down with trivial details of larval rearing water pH value; Add the micro-Mo ion of beneficial root growth, can promote that active root system amount increases; Add the Cu ion higher than nutrient requirement, make to pass the outer root growth (coiling outer root system is invalid) of slight " poisoning " suppression dish of seedling pan water hole seedlings root, in nursery, save and cut invalid farming operation link, reduce root system mechanical trauma, reduce pathogeny thing and invade; Add resistant to hydrolysis-stabilizing ion titanium, improving seedling resistance, there is early blossoming after preventing seedling replanting land for growing field crops in especially winter resistance.
The nitre ammonia phosphorus adopted in raw material of the present invention is nitre ammonia phosphorus (N35%+P
2o
54%), full name is that agricultural uses phosphorous explosion-proof ammonium nitrate, commercial standards CB/T20782-2006.
The resistant to hydrolysis adopted in raw material of the present invention-stabilizing ion titanium english abbreviation is ASIT, and be a kind of water soluble trace elements fertilizer for plant-growth, the common concentration of commodity is in Ti element, and general concentration is 3.5g/L ~ 4.5g/L.100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution that the present invention uses is the concentrated solution that producer provides.Though the present invention adopts 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution, but enforcement of the present invention has more than and is limited to this concentration, as long as can satisfy the demand.
Fertilizer prepared by the present invention is used in tobacco seedling, reaches and cultivates anosis strong sprout, " early growth and quick tiller " after transplanting land for growing field crops, the technique effect improving resistance, improve quality, improve output, increase the benefit.
The nitre ammonia phosphorus that embodiment adopts is purchased from Sichuan Chuanhua Co., Ltd., and the 100g/L resistant to hydrolysis that embodiment adopts-stabilizing ion titanium aqueous solution is purchased from titanium paddy (Tianjin) Science and Technology Ltd..
Reference examples 1
Get primary ammonium phosphate 200.00kg, saltpetre 450.00kg, nitre ammonia phosphorus 350.00kg, pulverize respectively, mixing, mixes thoroughly, and cross 40 mesh sieves, quantitative package, namely obtains 1000kg finished product.
Reference examples 2
Get primary ammonium phosphate 200.00kg, saltpetre 450.00kg, nitre ammonia phosphorus 345.70kg, boric acid 1.50kg, magnesium sulfate heptahydrate 2.00kg, Zinc Sulphate Heptahydrate 0.80kg pulverize respectively, and mixing, mixes thoroughly, and cross 40 mesh sieves, quantitative package, namely obtains 1000kg finished product.Embodiment 1
A, get primary ammonium phosphate 200kg, saltpetre 450kg and nitre ammonia phosphorus 340kg, mixing limit, limit adds resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.2kg, 45 ~ 50 DEG C of condition dryings, makes mixture free water content within 1wt%, then 0.35mm particle is crushed to, for subsequent use;
B, get magnesium sulfate heptahydrate 2.00kg, iron vitriol 2.00kg, seven water manganous sulfate 2.00kg, cupric sulfate pentahydrate 1.00kg, Zinc Sulphate Heptahydrate 1.00kg, boric acid 1.60kg and four water ammonium molybdate 0.20kg, 0.35mm particle is crushed to after normal temperature condition mixing, for subsequent use;
C, a, b gained material to be mixed, quantitative package.
Embodiment 2
A, get primary ammonium phosphate 220kg, saltpetre 450kg, nitre ammonia P 32 0kg, mixing limit, limit adds resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.2kg, 45 ~ 50 DEG C of condition dryings, makes mixture free water content within 1wt%, then 0.35mm particle is crushed to, for subsequent use;
B, get magnesium sulfate heptahydrate 2.00kg, iron vitriol 2.00kg, seven water manganous sulfate 2.00kg, cupric sulfate pentahydrate 1.00kg, Zinc Sulphate Heptahydrate 1.00kg, boric acid 1.60kg and four water ammonium molybdate 0.20kg normal temperature condition mixing after be crushed to 0.35mm particle, for subsequent use;
C, a, b gained material to be mixed, quantitative package.
Embodiment 3
A, get primary ammonium phosphate 180kg, saltpetre 450kg and nitre ammonia phosphorus 360kg, mixing limit, limit adds resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.2kg, 45 ~ 50 DEG C of condition dryings, makes mixture free water content within 1wt%, then 0.35mm particle is crushed to, for subsequent use;
B, get magnesium sulfate heptahydrate 2.00kg, iron vitriol 2.00kg, seven water manganous sulfate 2.00kg, cupric sulfate pentahydrate 1.00kg, Zinc Sulphate Heptahydrate 1.00kg, boric acid 1.60kg, four water ammonium molybdate 0.20kg, 0.35mm particle is crushed to after normal temperature condition mixing, for subsequent use;
C, a, b gained material to be mixed, quantitative package.
Test example 1 nitrogen phosphoris and potassium fertilizer ratio
The different nitrogen phosphoris and potassium fertilizer ratio of table 1 is on the impact of seedling quality
This example adopts flue-cured tobacco to be experimental subjects, and becoming N P and K seedling stage it being imposed to different ratios, table 1 can analyze: when seedling, with N ︰ P
2o
5︰ K
2o=20 ︰ 10 ︰ 20 process seedling quality the highest, its stem up to 12.19cm, maximum leaf area 53.99cm
2, the fresh dry weight of root, stem, leaf is also significantly higher than two other process; N ︰ P
2o
5︰ K
2the seedling quality of O=20 ︰ 20 ︰ 20 and 10 ︰ 10 ︰ 20 liang process is basically identical, with N ︰ P
2o
5︰ K
2o=10 ︰ 10 ︰ 20 processes more better.As from the foregoing, N ︰ P is adopted
2o
5︰ K
2o=20 ︰ 10 ︰ 20 processes the growth that cigarette seedling is conducive to cigarette seedling early stage.
Test example 2CuSO45H2O is on the impact of invalid
Table 2CuSO
45H
2the impact that O is long on main root in nutritive medium
| Concentration for the treatment of mg/kg | Three leaf period cm | Five leaf period cm | Seven leaf period cm |
| 0 contrast | 4.2 | 7.0 | 13.4 |
| 25 | 1.2 | 2.6 | 5.1 |
| 50 | 0.8 | 2.1 | 4.6 |
| 100 | 0.9 | 1.9 | 4.4 |
| 200 | 0.2 | 0.9 | 5.4 |
| 400 | 0.3 | 0.7 | 4.2 |
This example adopts flue-cured tobacco to be experimental subjects, when seedling three leaf periods, it is imposed to the copper-bath of different concns, can be analyzed: CuSO by upper table 2
45H
2o plays obvious restraining effect to the growth of invalid root system in nutritive medium, and the inhibition of different concns is also variant; Before five true leaves, more than 200mg/kg control of the concentration is best, is secondly three process of 25 ~ 100mg/kg concentration, but in this three process, 50mg/kg, 100mg/kg two concentration process are slightly better than again the process of 25mg/kg concentration; Seven leaf periods, seedling stage time, different concns process root is long to reach unanimity substantially, all not as good as the half contrasted.Visible, different CuSO
45H
2o concentration all rises root system invalid in nutritive medium and makes good restraining effect, and in earlier stage, concentration is larger, and inhibition is more obvious for growth of seedling, along with the passing of seedling growing process, and CuSO
45H
2o weakens gradually to the restraining effect of root growth in nutritive medium.
The different growing economical character contrast of test example 3 cigarette strain land for growing field crops
Table 3 is planted rear 40d and 65d tobacco agronomy character and is compared
Maximum leaf area=maximum leaf length × maximum width of blade × 0.634
This example adopts flue-cured tobacco to be experimental subjects, impose embodiment 1 and the fertilizer obtained by reference examples 2, respectively cigarette strain is carried out to the mensuration of certain index at transplanting 40d and 65d, as can be seen from Table 3: after transplanting 40d, cigarette strain stem more than height 36cm, base encloses 7.37cm ~ 8.09cm, more than the number of sheets 16 ~ 19/strain, maximum leaf area is 761 ~ 789cm2, imposes each index of cigarette strain of embodiment 1 fertilizer all higher than the indices imposing the strain of reference examples 2 fertilizer cigarette; 65d after planting, differ greatly between each economical character of cigarette strain, impose the cigarette strain stem of embodiment 1 fertilizer up to 97.44cm, the feature of stem girth is basically identical with stem High variation trend, leaves number reaches 28.5, and than many 3 ~ 4 of the cigarette strain leaves number imposing reference examples 2 fertilizer, and maximum leaf area is the highest with the cigarette strain imposing embodiment 1 fertilizer, as can be seen here, adopt the present invention prepared fertilizer seedling can be impelled to preponderate in field period increment.
Test example 4 is on the impact of land for growing field crops tobacco production and value amount
Table 4 junior tobacco leaf output value yield comparison
The quality obtaining product by " flue-cured tobacco " GB2635-1992 national standard performs an analysis, as can be seen from upper table 4: impose the flue-cured tobacco yield per unit of embodiment 1 fertilizer, the output value, first-class cigarette ratio, average price are the highest, impose embodiment 1 and each economic characters of reference examples 2 fertilizer have notable difference, impose the every 666.7m of flue-cured tobacco Production of Large Fields of embodiment 1 fertilizer
2increase tobacco leaf sales revenue 349.7 yuan (country's flue-cured tobacco divalence district purchasing price in 2011).
Test example 5 is on the impact of junior tobacco leaf interior quality
Table 5 Chemical Components of Tobacco Leaves quality contrasts
As shown in Table 5, compared with embodiment 1 plants gained tobacco with two kinds of seeds that fertilizer is bred as of reference examples 2, lower tobacco leaf potassium content increases, and the impact of other chemical composition is not obvious; Middle part tobacco leaf potassium ion, reducing sugar improve; The nicotine content of upper tobacco leaf reduces 0.37 percentage point, and total reducing sugar improves 3.49 percentage points, and reducing sugar improves 3.23 percentage points; Impose embodiment 1 fertilizer institute nursery final each position tobacco leaf content potassium to improve, visible, impose the every chemical index of tobacco that the nursery of embodiment 1 fertilizer institute grows up to and more coordinate, quality of tobacco improves.
Table 6 sound tobacco main chemical compositions optimum range (scent type group)
Table 6 is the optimum range of scent type sound tobacco main chemical compositions, from table 5 and table 6 data, embodiment 1 fertilizer be bred as each index of seedling than reference examples 2 fertilizer be bred as each index of tobacco that seedling grows up to and more meet scent type sound tobacco main chemical compositions optimum range, visible, the fertilizer prepared by the present invention is more excellent.
Test example 6 results of sensory evaluation
Table 7 single-tobacco-typed cigarette smoking result
Tobacco leaf is made into pure cigarette, ensures that pipe tobacco, weight, resistance to suction, moisture content etc. are consistent, without cigarette holder, not perfuming, do not feed in raw material.Completed by the several professional and technical personnel of smokeing panel test, operative norm is YC/T138-1998, nine points of systems, and namely every index obtains 9 and is divided into full marks, and scoring of the several professional and technical personnel of smokeing panel test being smoked panel test gathers, and arithmetic mean obtains result and divides.
From upper table 7, impose the aroma quality of the tobacco leaf that the nursery of embodiment 1 fertilizer institute grows up to, perfume quantity, the jealous aroma quality, perfume quantity, jealous being significantly better than imposing the tobacco leaf that the nursery of reference examples 2 fertilizer institute grows up to; The middle and upper part tobacco leaf imposing the tobacco leaf that the nursery of embodiment 1 fertilizer institute grows up to gas of mixing comparatively is lighter than the middle and upper part tobacco leaf imposing the tobacco leaf that the nursery of reference examples 2 fertilizer institute grows up to and mixes gas; The middle and lower part tobacco leaf pungency imposing the tobacco leaf that the nursery of embodiment 1 fertilizer institute grows up to is smaller than the middle and lower part tobacco leaf pungency imposing the tobacco leaf that the nursery of reference examples 2 fertilizer institute grows up to, and this is a good phenomenon; Strength is in bottom and upper tobacco leaf indifference, and middle part tobacco leaf is slightly inferior; Incendivity, grey be indifference between each position, is high score.Comprehensively can analyze and draw, impose the nursery of embodiment 1 fertilizer institute, its land for growing field crops junior tobacco leaf judging parameter is high.
The freeze proof harmful result of test example 7
With the nursery respectively simultaneously of the fertilizer prepared by embodiment 1 and reference examples 2, transplant when six leaf phases respectively in cultivation cup, when cigarette seedling grows to six leaf one cores, cultivate cup seedling and be placed in growth cabinet, temperature 8 DEG C, illumination 11h/d cultivates 10d, namely coerces with Chilling stress; Then planting land for growing field crops embodiment 1 fertilizer nursery land for growing field crops cigarette strain leaves number is 19.8 ~ 21, and early blossoming does not occur; And the cigarette strain of reference examples 2 fertilizer nursery land for growing field crops shifts to an earlier date breeding time, leaves number is >=16 and accounts for 35.50%, namely there is early blossoming, illustrate that embodiment 1 can strengthen the resistance of plant, have and prevent seedling stage because of low temperature, damage to plants caused by sudden drop in temperature the effect causing early blossoming, resistant to hydrolysis-stabilizing ion titanium aqueous solution antagonism meets low temperature seedling stage, damage to plants caused by sudden drop in temperature and cause early blossoming to play an important role.
Claims (7)
1. a tobacco seedling fertilizer, is characterized in that: obtained by the raw material of following weight proportion: primary ammonium phosphate 15.00 ~ 25.00%, saltpetre 40.00 ~ 50.00%, nitre ammonia phosphorus 30.00 ~ 40.00%, magnesium sulfate heptahydrate 0.01 ~ 0.50%, iron vitriol 0.02 ~ 1.00%, seven water manganous sulfate 0.01 ~ 1.00%, cupric sulfate pentahydrate 0.01 ~ 0.50%, Zinc Sulphate Heptahydrate 0.01 ~ 0.50%, boric acid 0.10 ~ 0.50%, four water ammonium molybdate 0.008 ~ 0.50%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.008 ~ 0.032%.
2. tobacco seedling fertilizer according to claim 1, it is characterized in that: obtained by the raw material of following weight proportion: primary ammonium phosphate 18.00 ~ 22.00%, saltpetre 43.00 ~ 47.00%, nitre ammonia P 32 .00 ~ 36.00%, magnesium sulfate heptahydrate 0.10 ~ 0.30%, iron vitriol 0.15 ~ 0.35%, seven water manganous sulfates 0.10 ~ 0.30%, cupric sulfate pentahydrate 0.08 ~ 0.12%, Zinc Sulphate Heptahydrate 0.08 ~ 0.12%, boric acid 0.10 ~ 0.20%, four water ammonium molybdates 0.01 ~ 0.03%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.01 ~ 0.03%.
3. tobacco seedling fertilizer according to claim 2, is characterized in that: obtained by the raw material of following weight proportion: primary ammonium phosphate 20%, saltpetre 45%, nitre ammonia phosphorus 34%, magnesium sulfate heptahydrate 0.20%, iron vitriol 0.20%, seven water manganous sulfate 0.20%, cupric sulfate pentahydrate 0.10%, Zinc Sulphate Heptahydrate 0.10%, boric acid 0.16%, four water ammonium molybdate 0.02%, 100g/L resistant to hydrolysis-stabilizing ion titanium aqueous solution 0.02%.
4. the preparation method of the tobacco seedling fertilizer described in any one of claims 1 to 3, is characterized in that: comprise the following steps:
A, primary ammonium phosphate, saltpetre, nitre ammonia phosphorus are mixed at normal temperature condition by proportioning, mixing limit, limit adds resistant to hydrolysis-stabilizing ion titanium aqueous solution, and mixture is dried to free water content within 1wt%, pulverizes, for subsequent use;
B, by proportioning by magnesium sulfate heptahydrate, iron vitriol, seven water manganous sulfates, cupric sulfate pentahydrate, Zinc Sulphate Heptahydrate, boric acid and four water ammonium molybdates normal temperature condition mixing after pulverize, for subsequent use;
C, get a, b gained work in-process mixing, mix thoroughly, get product after quantitative package.
5. the preparation method of tobacco seedling fertilizer according to claim 4, is characterized in that: in step a, and described drying temperature is 45 ~ 50 DEG C.
6. the preparation method of tobacco seedling fertilizer according to claim 4, is characterized in that: in step a, and described grinding particle size is no more than 0.35mm.
7. the preparation method of tobacco seedling fertilizer according to claim 4, is characterized in that: in step b, and described grinding particle size is no more than 0.35mm.
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| CN104045403B (en) * | 2014-07-03 | 2016-04-20 | 山东潍坊烟草有限公司高密分公司 | Special seed manure of a kind of floating seedling cultivation of fire-cured tobacco and preparation method thereof |
| CN105016817B (en) * | 2015-07-23 | 2018-01-23 | 湖南省烟草公司郴州市公司 | A kind of flue-cured tobacco seedling-cultivating nutrition fertilizer |
| CN108752109A (en) * | 2018-07-25 | 2018-11-06 | 广西大学 | A kind of special water-retaining type rhizosphere fertilizer of flue-cured tobacco seedling-cultivating and preparation method thereof |
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| CN1321624A (en) * | 2001-06-07 | 2001-11-14 | 昆明西山爱德望农药分装厂 | Flue-cured tobacco seedling-cultivating water soluble composite fertilizer and its preparation method |
| CN102746050B (en) * | 2012-07-30 | 2014-08-13 | 河南农业大学 | Special fertilizer for float seedling raising of tobacco |
| CN102939818B (en) * | 2012-11-08 | 2013-11-13 | 湖北中烟工业有限责任公司 | Fertilizing method for planting cigar tobacco |
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