CN102863291A - Flue-cured tobacco slow release fertilizer and application method thereof - Google Patents
Flue-cured tobacco slow release fertilizer and application method thereof Download PDFInfo
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Abstract
The invention discloses a flue-cured tobacco slow release fertilizer and an application method thereof and solves problems that slow/controlled release fertilizers in prior art are high in production cost and complicated in technological process and membrane materials remained in the soil after fertilizer nutrients are released cause secondary pollution on soil environments. The the flue-cured tobacco slow release fertilizer is mainly composed of following components of, by weight, 8.48-9.78g of urea, 10.58-12.50g of monopotassium phosphate, 20.00-23.08g of potassium nitrate, 12.40-14.26g of potassium sulphate, 0.52-1.10g of cane sugar and 0.20-0.30g of carbofuran. According to the flue-cured tobacco slow release fertilizer and the application method thereof, the number of fertilizer applying can be reduced, labor intensity for applying the fertilizer is reduced, utilization efficiencies of the fertilizer are improved, environmental pollution is reduced and the flue-cured tobacco slow release fertilizer is low in production cost, simple in process, convenient to use and easy to popularize.
Description
Technical field
The invention belongs to the new-type fertilizer technical field, be specifically related to a kind of flue-cured tobacco slow release fertilizer and application method thereof.
Background technology
Fertilising is one of agronomic measures important in the cured tobacco production.The common N,P,K fertilizers of using on the cured tobacco production at present is particulate state or powdery, this class fertilizer is very soluble in water, after using, by rainwater or irrigation water dissolving, flow into rivers or permeate the ground with water, cause on the one hand the pollution of surface drainage system or body of groundwater; On the other hand, reduced the utilising efficiency of fertilizer.In the cured tobacco production, general base fertilizer mainly contains oil cake, fertilizer special for tobacco composite fertilizer, vitriolate of tartar, saltpetre etc.; Flue-cured tobacco transplanting 7 ~ 15 days often needs to impose 1 ~ 2 nitroxylic acid potassic fertilizer and carries seedling; Flue-cured tobacco transplanting 25 ~ 30 days also needs to impose 1 tobacco composite fertilizer special and saltpetre.Temperature is higher during the Fertilizer Application of Tobacco operation, and this work takes the work of muscle power to really utmost point of tobacco grower, and does upper several hours continuously, just can finish the fertilising operation on several mu of ground.So, in the cured tobacco production fertilising Main Problems be fertilizer application frequency many, work slightly large, time-consuming and fertilizer this season utilising efficiency is low.Slowly/controlled releasing fertilizer refers to that the fertilizer nutrient rate of release is slow, and release period is longer, at the fertilizer that can satisfy the plant growth demand whole vegetative period of crop.Compare with conventional variety fertilizer, its advantage is that fertilizer nutrient discharges slowly, can satisfy the required nutrient of whole growth breeding time of crop, can reduce fertilizer amount, economizes on resources, and improves fertilizer this season utilization ratio.Therefore, slowly/controlled releasing fertilizer can be good at solving the problem that fertilising exists in the above-mentioned cured tobacco production.At present most widely used is the Envelope type slowly/controlled releasing fertilizer, its coated fertilizer mainly contains inorganics (such as silicon, sulphur, gypsum, phosphoric acid salt, diatomite etc.), organic high molecular polymer (such as gum arabic, gelatin, natural rubber, polyethylene, urea formaldehyde condenses, thermosetting resin etc.) and organic-inorganic composite body (such as glycopolymers, polyvinyl alcohol, starch, lipid acid etc.).Slow/as to control the mould material that the fertiliser production cost is high, technical process is complicated, nutrient remains in the soil after discharging to cause secondary pollution problems to exist to edatope.Because slow/control fertilizer is expensive, generally high 2.5 ~ 8 times than conventional fertilizer price, so the slowly/controlled releasing fertilizer major applications is in the higher flowers of economic worth, vegetables, strawberry, lawn etc. produce, and the field crop large scale application is less.
Summary of the invention
The object of the present invention is to provide a kind of flue-cured tobacco slow release fertilizer and application method thereof, solve that present slowly/controlled releasing fertilizer production cost is high, technical process is complicated and fertilizer nutrient remains in mould material in the soil causes secondary pollution to edatope problem after discharging.
Realize that technical scheme of the present invention is as follows:
A kind of flue-cured tobacco slow release fertilizer, mainly the component by following weight forms:
Urea 8.48～9.78g
Potassium primary phosphate 10.58～12.50g
Saltpetre 20.00～23.08g
Vitriolate of tartar 12.40～14.26g
Sucrose 0.52～1.10g
Furadan 0.20～0.30g.
Further, described fertilizer mainly is comprised of the component of following weight: urea 9.13g, potassium primary phosphate 11.66g, saltpetre 21.54g, vitriolate of tartar 12.26g, sucrose 0.88g, Furadan 0.25g.
A kind of application method of flue-cured tobacco slow release fertilizer may further comprise the steps:
(1) beat nest on the tobacco planting ridge that the base is good in advance, the spacing on adjacent tobacco planting ridge is 110～120cm;
(2) apply 100% required fertilizer of tobacco growth, the soil that backfill is a small amount of, and after fertilizer and reclaimed soil stirred, apply 1 bag of flue-cured tobacco slow release fertilizer, reclaimed soil is in nest again;
(3) do the cave at reclaimed soil, transplant the cigarette seedling, according to the water of soil moisture content pouring capacity;
(4) after moisture immersed soil, earthing also covered mulch film, then opens the hole that diameter is 5cm at the film of corresponding position, and seedling is drawn mulch film from having empty place, and around the hole earthing.
Further, described step (1) is specifically beaten the nest of circular platform type on the tobacco planting ridge, the dark 10～15cm of nest, diameter 5～10cm at the bottom of the nest, nest face diameter 15～20cm, the spacing 55～65cm of adjacent nest.
Again further, described flue-cured tobacco slow release fertilizer is for being mixed in proportion urea, potassium primary phosphate, saltpetre, vitriolate of tartar, sucrose and Furadan the finished product that makes in the fertilizer slow release bag of packing into after stirring.
Further, described fertilizer slow release bag is made by kraft paper, and its long 15cm, wide 10cm.
In addition, it is the micropore of 0.5mm that described fertilizer slow release bag surface is provided with 9 row diameters, and line space is 10mm; Wherein, the spacing of adjacent micropore is 2mm in every delegation.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) the present invention has reduced the production cost of slow-release fertilizer take the kraft paper of cheapness as material prepares the fertilizer slow release bag, and the kraft paper fully biodegradable has reduced soil pollution simultaneously;
(2) the present invention is take the fertilizer slow release bag as carrier, will pack in the bag according to the fertilizer that prescription is made, and edge sealing again obtains the flue-cured tobacco slow release fertilizer product at last, and technical process is simple;
(3) the present invention is by the aperture of micropore on the fertilizer slow release bag and the speed of micropore regulating and controlling of quantities nutrient release, so that fertilizer nutrient discharges slowly, release period is longer, at flue-cured tobacco sufficient nutrient supply was arranged in whole breeding time, the leaching that has reduced the residual and fertilizer of fertilizer in soil runs off, and can greatly improve fertilizer this season utilising efficiency;
(4) the present invention once uses when flue-cured tobacco transplanting, and tobacco growth need not to impose other fertilizer, province's fertilizer, saving of labor, economical in season;
(5) the present invention can make tobacco growth very fast and stable, is conducive to flue-cured tobacco to the reasonable absorption of nutritive ingredient, can increase in right amount the flue-cured tobacco area, and don't cause the excessive growth of flue-cured tobacco, meets flue-cured tobacco each breeding time to the requirement of nutrient;
(6) the present invention can reduce fertilizer application frequency, reduces fertilising labour intensity, improves fertilizer utilization efficiency, environmental contamination reduction, and low production cost, and technical process is simple, and is easy to use, is easy to promote the use of.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
At first prepare the fertilizer slow release bag, specifically select long 15cm, the kraft paper of wide 20cm folds kraft paper along broadside is equidistant, form long 15cm, and the sack of wide 10cm seals long limit and a side broadside of sack at last with bag sealer.Again on the surface of the sack both sides that prepare with instrument each to make a call to 9 row diameters be the micropore of 0.5mm, and line space is 10mm; Wherein, the spacing between the adjacent micropore of every delegation is 2mm.
Then weighing urea 9.13g, potassium primary phosphate 11.66g, saltpetre 21.54g, vitriolate of tartar 12.26g, sucrose 0.88g, Furadan 0.25g, and it is mixed; With the material that mixes, in the fertilizer slow release bag for preparing of packing into, last edge sealing just makes finished product at last.
During use, beat nest on prior tobacco planting ridge of building good spacing 110cm, specifically beat the nest of circular platform type on the tobacco planting ridge, the dark 13cm of nest, diameter 7cm at the bottom of the nest, nest face diameter 18cm, nest spacing 65cm.At first apply the fertilizer (common every strain applies rapeseed cake fertilizer 25g) of tobacco growing required 100%, the soil that backfill is a small amount of, and after fertilizer and reclaimed soil stirred, applying again one bag of flue-cured tobacco slow release fertilizer of the present invention, last reclaimed soil is in nest.Do the cave at reclaimed soil again, transplant the cigarette seedling, according to the water of soil moisture content pouring capacity.After water fully immersed soil, earthing also covered mulch film, then opens the hole that diameter is 5cm at the film of corresponding position, and seedling is drawn mulch film from the place that has the hole, and the hole around earthing, to prevent moisture loss.
Embodiment 2
At first prepare the fertilizer slow release bag, specifically select long 15cm, the kraft paper of wide 20cm folds kraft paper along broadside is equidistant, form long 15cm, and the sack of wide 10cm seals long limit and a side broadside of sack at last with bag sealer.Again on the surface of the sack both sides that prepare with instrument each to make a call to 9 row diameters be the micropore of 0.5mm, and line space is 10mm; Wherein, the spacing between the adjacent micropore of every delegation is 2mm.
Then weighing urea 9.30g, potassium primary phosphate 10.87g, saltpetre 22.32g, vitriolate of tartar 12.89g, sucrose 1.00g and Furadan 0.20g, and it is mixed; With the material that mixes, in the fertilizer slow release bag for preparing of packing into, last edge sealing just makes finished product at last.
During use, beat nest on prior tobacco planting ridge of building good spacing 120cm, specifically beat the nest of circular platform type on the tobacco planting ridge, the dark 14cm of nest, diameter 8cm at the bottom of the nest, nest face diameter 20cm, nest spacing 55cm.At first apply the fertilizer (common every strain applies rapeseed cake fertilizer 30g) of tobacco growing required 100%, the soil that backfill is a small amount of, and after fertilizer and reclaimed soil stirred, applying again one bag of flue-cured tobacco slow release fertilizer of the present invention, last reclaimed soil is in nest.Do the cave at reclaimed soil again, transplant the cigarette seedling, according to the water of soil moisture content pouring capacity.After water fully immersed soil, earthing also covered mulch film, then opens the hole that diameter is 5cm at the film of corresponding position, and seedling is drawn mulch film from the place that has the hole, and the hole around earthing, to prevent moisture loss.
The effect of the present invention on flue-cured tobacco:
Test 1
Test method: the test point is positioned at unity village, Yao local, Guangyuan City Jiange County, to plant flue-cured tobacco cultivars cloud and mist 97 kinds as the landlord as supplying the examination material.Beat nest, the dark 12cm of nest, diameter 6cm at the bottom of the nest, nest face diameter 20cm, nest spacing 55cm on prior tobacco planting ridge of building good spacing 120cm.At first apply the fertilizer (being that every strain applies rapeseed cake fertilizer 25g) of tobacco growing required 100%, the soil that backfill is a small amount of, and after fertilizer and reclaimed soil stirred, apply again 1 bag of flue-cured tobacco slow release fertilizer of the present invention, last reclaimed soil is in nest.Do the cave at reclaimed soil again, transplant the cigarette seedling, according to the water of soil moisture content pouring capacity.After water fully immersed soil, earthing also covered mulch film, then opens the hole that diameter is 5cm at the film of corresponding position, and seedling is drawn mulch film from the place that has the hole, and the hole around earthing, to prevent moisture loss.Take the individual plant flue-cured tobacco as research object, the fertilizer bag is taken out in behind flue-cured tobacco transplanting the 14th, 28,42,56,70 and 84 day, under 105 ℃ of conditions, with baking oven the fertilizer drying in the fertilizer bag to weight, then weighing weight of fertilizer.Fertilizer is raised fertilizer dead weight amount * 100 in a minute release rate (%)=(fertilizer dead weight amount in fertilizer dead weight amount in the fertilizer bag that is untreated-different times sampling fertilizer bag)/fertilizer bag that is untreated.Different times slow release fertilizer nutrient release rate sees Table 1.
Table 1
| Fate | 14 | 28 | 42 | 56 | 70 | 84 |
| Nutrient release rate (%) | 16.8 | 18.8 | 32.2 | 56.8 | 68.1 | 86.3 |
Studies show that flue-cured tobacco roughly has three phases to the absorption of nutrient, at first is nutrient demand lag phase, follow by the nutrient demand peak period, and be nutrient demand stationary phase at last.Flue-cured tobacco is to the nutrient demand peak period generally in 30 ~ 65 days scopes behind flue-cured tobacco transplanting.Table 1 shows that in 0 ~ 42 day scope of the present invention behind flue-cured tobacco transplanting, nutrient release rate is 32.2%; In 42 ~ 70 days scopes behind flue-cured tobacco transplanting, nutrient release rate is 32.2% ~ 68.1%.Illustrate that nutrient of the present invention discharges with flue-cured tobacco the nutrient demand basic synchronization.
Test 2
Test method: the test point is positioned at Mianning County in Liangshan Prefecture country tobacco bases unit, to plant flue-cured tobacco cultivars cloud and mist 85 kinds as the landlord as supplying the examination material, adopt field district test, flue-cured tobacco is divided into 2 groups of processing, first group is control group, planting density is 120cm * 55cm, planting 60 strain cigarettes as a residential quarter, and fertilizing method plantation flue-cured tobacco routinely, weighing fertilizer special for tobacco (N:P5O2:K2O=10:15:25) 1.49kg, calcium superphosphate 1.49kg, vitriolate of tartar 0.59kg, the oil cake of becoming thoroughly decomposed 1.49kg, stir after above-mentioned fertilizer weighing is good, then spread fertilizer over the fields the dark 13cm that accomplishes fluently on the cigarette ridge in advance, diameter 10cm at the bottom of the nest, nest face diameter 20cm, in the plantation nest of nest spacing 55cm, do the cave at reclaimed soil again, transplant the cigarette seedling, according to the water of soil moisture content pouring capacity.After water fully immersed soil, earthing also covered mulch film, then opens the hole that diameter is 5cm at the film of corresponding position, and seedling is drawn mulch film from the place that has the hole, and the hole around earthing, to prevent moisture loss.Flue-cured tobacco transplanting was converted into the fertilizer aqueous solution with the saltpetre of 0.89kg in the time of 7 ~ 15 days, then watered uniformly the cigarette seedling, and the amount of being watered is according to soil moisture content, and ground moistening is then to be watered less, and soil drought is be watered then more.In the time of 25 ~ 30 days, when taking off the film ridging, fertilizer special for tobacco (N:P5O2:K2O=10:15:25) 0.89kg is being applied each cigarette nest uniformly at flue-cured tobacco transplanting.Second group is that test group is used flue-cured tobacco slow release fertilizer of the present invention, and planting density is 120cm * 55cm, to plant 60 strain cigarettes as a residential quarter, at first beats dark 13cm on the tobacco planting ridge, diameter 10cm at the bottom of the nest, nest face diameter 20cm, the plantation nest of nest spacing 55cm.The oil cake 1.49kg that will become thoroughly decomposed evenly applies each cigarette nest, the soil that backfill is a small amount of, and after fertilizer and reclaimed soil stirred, apply again 1 bag of flue-cured tobacco slow release fertilizer of the present invention, last reclaimed soil is in nest.Do the cave at reclaimed soil again, transplant the cigarette seedling, according to the water of soil moisture content pouring capacity.After water fully immersed soil, earthing also covered mulch film, then opens the hole that diameter is 5cm at the film of corresponding position, and seedling is drawn mulch film from the place that has the hole, and the hole around earthing, to prevent moisture loss.Tobacco growth is not used any topdressing in season.Repeat 3 times each residential quarter, and arrange experimental plot at random district's group.The residential quarter is taken off the management such as film ridging, disease and pest and is accustomed to local farmers.Measure at random the long and maximum width of blade of plant height, stem girth, pitch, effective blade number, maximum leaf of 10 strain flue-cured tobaccos in the every residential quarter of flue-cured tobacco Topping Stage.After tobacco leaf entered harvesting time, the principle that baking is plucked according to sound tobacco was plucked in timely collecting and science modulation, and the leaf form and aspect are near, and the tobacco leaf that ripening degree is consistent is gathered, and adopts intensive barn curing, three section five step formula baking process.Gathering separately in each residential quarter, compiles separately pole, separately baking, and separately classification, meter produce, and carry out classification according to 42 grades of systems of GB, calculate respectively output, and the ratio of first-class cigarette, medium grade cigarette and lower inferior cigarette and economic benefit.Get respectively the middle part tobacco leaf 2.0kg of two treatment group flue-cured tobaccos, send tobacco industry product quality supervision and inspection test center of the Ministry of Agriculture to carry out tobacco leaf chemical composition and measure.Topping Stage flue-cured tobacco economical character the results are shown in Table 2, and yield of flue-cured tobacco and the output value see Table 3, and flue-cured tobacco grade ratio sees Table 4, and the inherent chemical quality of flue-cured tobacco sees Table 5.
Table 2
| Group | Plant height (cm) | Stem girth (cm) | Pitch (cm) | The effective blade number | Leaf area (m 2） |
| Control group | 103.29 | 7.56 | 4.14 | 18.71 | 0.13 |
| Test group | 110.38 | 7.64 | 3.88 | 20.63 | 0.16 |
Table 2 shows that the present invention can significantly improve the economical character of flue-cured tobacco Topping Stage.The plant height of flue-cured tobacco Topping Stage of the present invention, stem girth, effective blade number and maximum leaf area are apparently higher than the processing of control group, and flue-cured tobacco pitch of the present invention is processed less than control group.Illustrate that the present invention has the effect that promotes the thick stem of flue-cured tobacco, short pitch, increase effective blade number, increases leaf area at the flue-cured tobacco Topping Stage.
Table 3
| Group | Output (kg/ mu) | The output value (unit/mu) |
| Control group | 162.7 | 2093.0 |
| Test group | 186.0 | 2387.6 |
Table 3 shows that the every per mu yield of flue-cured tobacco of the present invention can reach 186.0kg, and the every per mu yield of control group peasant habit tobacco leaf is 162.7kg, and yield of tobacco of the present invention can increase 23.3kg than every mu of yield of tobacco of peasant habit, and stimulation ratio reaches 14.3%.Tobacco leaf per mu yield value of the present invention reaches 2387.6 yuan, increases by 294.6 yuan than every mu of tobacco leaf output value of peasant habit, and tobacco leaf per mu yield value can improve 14.1%.Show that the present invention can obviously improve the output of tobacco leaf, increase the economic benefit of tobacco planting.Simultaneously, use when of the present invention, only need disposable applying when flue-cured tobacco transplanting, the flue-cured tobacco late growth stage is no longer used any fertilizer, compares with tobacco grower's habits fertilization, can reduce 1 ~ 2 fertilizer application frequency of flue-cured tobacco, can reduce recruitment simultaneously, reduces fertilising labour intensity.Illustrate that the present invention has the effect that subtracts the worker, falls basis, upgrading, synergy in cured tobacco production.
Table 4
| Group | First-class cigarette (%) | Medium grade cigarette (%) | Lower inferior cigarette (%) |
| Control group | 42.51 | 35.75 | 21.74 |
| Test group | 47.84 | 34.07 | 18.09 |
Table 4 be different treatment on the impact of tobacco leaf grade ratio, medium tobacco leaf ratio reaches 81.9% in the present invention, medium tobacco leaf ratio reaches 78.3% on the control group; With regard to first-class tobacco leaf and medium tobacco leaf proportion, the first-class tobacco leaf proportion of control group and test group is respectively 42.5% and 47.8%, and medium tobacco leaf proportion is respectively 35.8% and 34.1%; Inferior tobacco leaf proportion is respectively 21.7% and 18.1% under control group and the test group.Illustrate that the present invention can improve first-class tobacco leaf proportion, reduce lower inferior tobacco leaf proportion.
Table 5
| Group | Total reducing sugar (%) | Reducing sugar (%) | Total alkaloid (%) | Chlorine (%) | Potassium (%) | Total nitrogen (%) | Sugar alkali ratio | The nitrogen base ratio | Potassium chlorine ratio |
| Control group | 38.70 | 29.90 | 1.57 | 0.12 | 2.20 | 1.49 | 19.04 | 0.95 | 18.33 |
| Test group | 33.70 | 26.90 | 1.40 | 0.13 | 2.47 | 1.45 | 19.21 | 1.04 | 19.00 |
Table 5 be different treatment to the impact analysis result of tobacco leaf chemical quality, by the analytical results of table 5 as can be known, the present invention has significantly reduced total reducing sugar, reducing sugar, total alkaloid and total nitrogen content, has increased the content of chlorine and potassium.Illustrate that the present invention makes the inherent chemical quality of tobacco leaf more be tending towards coordinating.
In sum, use flue-cured tobacco slow release fertilizer of the present invention, its nutrient discharges with flue-cured tobacco almost synchronous to the demand of nutrient, can improve fertilizer utilization efficiency; Use the present invention and can reduce fertilizer application frequency 1 ~ 2 time, can reduce recruitment simultaneously, reduce fertilising labour intensity; The present invention can increase yield of tobacco, improves the tobacco leaf output value, improves the tobacco leaf exterior quality, coordinates inherent chemical ingredients.The present invention has the effect that subtracts the worker, falls basis, upgrading, synergy in cured tobacco production.
Claims (7)
1. a flue-cured tobacco slow release fertilizer is characterized in that, mainly the component by following weight forms:
Urea 8.48～9.78g
Potassium primary phosphate 10.58～12.50g
Saltpetre 20.00～23.08g
Vitriolate of tartar 12.40～14.26g
Sucrose 0.52～1.10g
Furadan 0.20～0.30g.
2. a kind of flue-cured tobacco slow release fertilizer according to claim 1 is characterized in that described fertilizer mainly is comprised of the component of following weight: urea 9.13g, potassium primary phosphate 11.66g, saltpetre 21.54g, vitriolate of tartar 12.26g, sucrose 0.88g, Furadan 0.25g.
3. the application method of a kind of flue-cured tobacco slow release fertilizer according to claim 1 and 2 is characterized in that, may further comprise the steps:
(1) beat nest on the tobacco planting ridge that the base is good in advance, the spacing on adjacent tobacco planting ridge is 110～120cm;
(2) apply 100% required fertilizer of tobacco growth, the soil that backfill is a small amount of, and after fertilizer and reclaimed soil stirred, apply 1 bag of flue-cured tobacco slow release fertilizer, reclaimed soil is in nest again;
(3) do the cave at reclaimed soil, transplant the cigarette seedling, according to the water of soil moisture content pouring capacity;
(4) after moisture immersed soil, earthing also covered mulch film, then opens the hole that diameter is 5cm at the film of corresponding position, and seedling is drawn mulch film from having empty place, and around the hole earthing.
4. the application method of a kind of flue-cured tobacco slow release fertilizer according to claim 3 is characterized in that, described step (1) is specifically beaten the nest of circular platform type on the tobacco planting ridge, dark 10～the 15cm of nest, diameter 5～10cm at the bottom of the nest, nest face diameter 15～20cm, the spacing 55～65cm of adjacent nest.
5. the application method of a kind of flue-cured tobacco slow release fertilizer according to claim 4, it is characterized in that described flue-cured tobacco slow release fertilizer is for being mixed in proportion urea, potassium primary phosphate, saltpetre, vitriolate of tartar, sucrose and Furadan the finished product that makes in the fertilizer slow release bag of packing into after stirring.
6. the application method of a kind of flue-cured tobacco slow release fertilizer according to claim 5 is characterized in that, described fertilizer slow release bag is made by kraft paper, and its long 15cm, wide 10cm.
7. the application method of a kind of flue-cured tobacco slow release fertilizer according to claim 6 is characterized in that, it is the micropore of 0.5mm that described fertilizer slow release bag surface is provided with 9 row diameters, and line space is 10mm; Wherein, the spacing of adjacent micropore is 2mm in every delegation.
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| CN105557164A (en) * | 2015-12-16 | 2016-05-11 | 广西壮族自治区林业科学研究院 | Slow release method for forest fertilizer nutrients |
| CN107162745A (en) * | 2017-05-26 | 2017-09-15 | 四川农业大学 | A kind of preparation method of flue-cured tobacco charcoal base slow released fertilizer |
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| CN107646276A (en) * | 2017-11-18 | 2018-02-02 | 云南省烟草农业科学研究院 | It is a kind of effectively to lift the resistance to flue-cured tobacco cultivation method nourished one's nature in cigarette strain field |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105557164A (en) * | 2015-12-16 | 2016-05-11 | 广西壮族自治区林业科学研究院 | Slow release method for forest fertilizer nutrients |
| CN107258259A (en) * | 2017-05-11 | 2017-10-20 | 贵州省烟草公司遵义市公司绥阳县分公司 | The ecological cultivation method that flue-cured tobacco is no-tillage |
| CN107162745A (en) * | 2017-05-26 | 2017-09-15 | 四川农业大学 | A kind of preparation method of flue-cured tobacco charcoal base slow released fertilizer |
| CN107646276A (en) * | 2017-11-18 | 2018-02-02 | 云南省烟草农业科学研究院 | It is a kind of effectively to lift the resistance to flue-cured tobacco cultivation method nourished one's nature in cigarette strain field |
| CN107646276B (en) * | 2017-11-18 | 2020-09-11 | 云南省烟草农业科学研究院 | Flue-cured tobacco cultivation method capable of effectively improving field resistance of tobacco plants |
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