CN1309687C - Controlled release fertilzier special to tobacco, producing method and application - Google Patents
Controlled release fertilzier special to tobacco, producing method and application Download PDFInfo
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- CN1309687C CN1309687C CNB2005100445152A CN200510044515A CN1309687C CN 1309687 C CN1309687 C CN 1309687C CN B2005100445152 A CNB2005100445152 A CN B2005100445152A CN 200510044515 A CN200510044515 A CN 200510044515A CN 1309687 C CN1309687 C CN 1309687C
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Abstract
The present invention discloses a special release control fertilizer for tobacco, which is prepared from components of the following percentage by weight: 22% to 27% of KNO3, 13% to 16% of (NH4)2HPO4, 30% to 35% of K2SO4, 1% to 3% of (NH4)2SO4, 6% to 9% of normal superphosphate, 8% to 12% of organic fertilizer and 4% to 8% of adhesive. A production method for the special release control fertilizer for tobacco comprises the following procedures: (1) components are weighed according to a weight percentage; (2) KNO3 and 2% to 3% of adhesive agent are mixed by a disc method firstly to be granulated and made into the core of fertilizer granules; and (3) (NH4)2SO4, K2SO4, 3% to 5% of adhesive agent, (NH4)2HPO4, organic fertilizer and normal superphosphate are added orderly and used to orderly coat the granules from inside to outside to prepare the special release control fertilizer for tobacco with a grain diameter of 2 to 10mm. Utilizing the special release control fertilizer for tobacco effectively realizes that the release peak of nitrogen, phosphorus and potassium in the fertilizer accords with the absorption peak of nitrogen, phosphorus and potassium of tobacco. The method for separating and refining glycyrrhizic acid obviously promotes the growth of tobacco leaves, raises the potassium content of the tobacco leaves, improves the quality of the tobacco leaves, and has good economical and social benefits.
Description
Technical field
The present invention relates to grow tobacco fertilizer and a production method and an application, relate in particular to grow tobacco special-purpose control-release fertilizer and a production method and an application.
Background technology
Kind, quantity and the nutrient supply characteristic of utilizing fertilizer to regulate soil nutrient are to obtain the important effective measure of yield of tobacco and quality.For a long time, people have obtained certain achievement to tobacco-growing soil and fertilizer practice research, particularly inhale the class special fertilizer for tobacco that fertile rule and balance fertilizing principle design production according to flue-cured tobacco.But, in the many fertilizer special for tobacco of this class, utilize means such as granulation, coating to realize effective control that fertilizer nutrient is discharged, fertilizer discharges and the tobacco special-purpose control-release fertilizer of the running balance of plant absorbing thereby reach, by retrieval, also rarely seen at home and abroad report.
Summary of the invention
At the deficiencies in the prior art, the problem that invention will solve provides grow tobacco special-purpose control-release fertilizer and a production method and an application.
Tobacco special-purpose control-release fertilizer provided by the invention, form by the component of following weight per-cent:
KNO
3：22％～27％
(NH
4)
2HPO
4：13％～16％
K
2SO
4：30％～35％
(NH
4)
2SO
4：1％～3％
Normal superphosphate: 6%～9%
Fertilizer: 8%～12%
Tackiness agent: 4%～8%
Wherein, said components preferably is made up of following weight per-cent:
KNO
3：25％
(NH
4)
2HPO
4：15％
K
2SO
4：35％
(NH
4)
2SO
4：2％
Normal superphosphate: 8%
Fertilizer: 10%
Tackiness agent: 5%
Wherein, described fertilizer is the mixture of one of fermentation poultry dung, pig manure, soya-bean cake, Semen Maydis powder or its any weight ratio.
Wherein, above-mentioned fertilizer soya-bean cake preferably.
Wherein, described tackiness agent is the mixture of one of kaolin, illiteracy shedding, calcium sulfate or its any weight ratio.
Wherein, above-mentioned tackiness agent kaolin preferably.
The production method of tobacco special-purpose control-release fertilizer of the present invention, form by following step:
(1) takes by weighing each component by weight percentage;
(2) adopt the disk method earlier with KNO
3Mix with 2%～3% tackiness agent, carry out granulation, make the core of fertiliser granulates;
(3) add (NH successively
4)
2SO
4, K
2SO
4, 3%～5% tackiness agent, (NH
4)
2HPO
4, fertilizer and normal superphosphate, parcel is made the tobacco special-purpose control-release fertilizer of particle diameter 2～10mm successively from inside to outside.
In the production method of above-mentioned tobacco special-purpose control-release fertilizer, nitrogen, phosphorus, potassium weight percent content preferably are controlled to be respectively in the fertile component of described controlled release: 6.6%, 8.8%, 28%.
In the production method of above-mentioned tobacco special-purpose control-release fertilizer, the particle diameter of described controlled release fertilizer is 5～8mm preferably.
Tobacco special-purpose control-release fertilizer of the present invention improves the tobacco leaf potassium content promoting the tobacco leaf growth, improves the application in the quality of tobacco.
Wherein, described controlled release fertilizer is preferably used 50 kilograms for every mu in common fertility vega.
Adopt tobacco special-purpose control-release fertilizer provided by the invention, fertilizer efficiency releasing rule and tobacco regulation of fertilizer requirement have been grasped effectively, realized that the release peak of fertilizer nitrogen phosphorus potassium and the peak of cigarette tobacco absorbed nitrogen phosphorus potassium match, help the absorption and the utilization of fertilizer more, improve the fertilizer utilization rule, obviously promoted the tobacco leaf growth, improved the tobacco leaf potassium content, improve quality of tobacco, had better economic and social benefit.
Because potassium can significantly improve tobacco leaf incendivity, fragrant jealous and quality, reduces releasing content of coke tar and other harmful substance contents, play an important role to improving tobacco leaf usability, therefore, the tobacco leaf potassium content is regarded as one of important quality index.Improve the hot topic that the tobacco leaf potassium content is tobacco research always.External sound tobacco potassium content is generally more than 2.5%, even can reach 4%, and domestic, particularly tobacco leaf potassium content in Shandong generally is lower than 1.5%.Therefore, the method for research raising tobacco leaf potassium content is significant.
The present invention is by the research to potash fertilizer releasing rule and cigarette strain need potassium rule, especially in conjunction with the soil fertility situation research of tobacco leaf producing region, Shandong, potash fertilizer is carried out granulation (than coating economy many) make the tobacco special-purpose control-release fertilizer, help the absorption of cigarette strain more to potassium, it is long effectively to have increased plant height, pitch and leaf, improved the resistance of tobacco leaf, improved tobacco incense makings, incendivity and grey weather spot, wildfire, TMV and CMV.In conjunction with the measure such as water of prosperous long-term application rapin and ripening stage, obviously improved the tobacco leaf potassium content, improved quality of tobacco, effect is remarkable, opens up a new way for improving Shandong tobacco leaf potassium content.
Embodiment
Embodiment 1: the preparation of tobacco special-purpose control-release fertilizer
(1) take by weighing following each component by weight percentage:
KNO
3：25％
(NH
4)
2HPO
4：15％
K
2SO
4：35％
(NH
4)
2SO
4：2％
Normal superphosphate: 8%
Soya-bean cake: 10%
Kaolin: 5%
(2) adopt the disk method earlier with KNO
3Mix with 2% kaolin, carry out granulation, make the core of fertiliser granulates;
(3) add (NH successively
4)
2SO
4, K
2SO
4, 3% kaolin, (NH
4)
2HPO
4, soya-bean cake and normal superphosphate, parcel is made the tobacco special-purpose control-release fertilizer of particle diameter 7～8mm successively from inside to outside.
Embodiment 2: the preparation of tobacco special-purpose control-release fertilizer
(1) take by weighing following each component by weight percentage:
KNO
3：25％
(NH
4)
2HPO
4：15％
K
2SO
4：35％
(NH
4)
2SO
4：2％
Normal superphosphate: 8%
Fermentation poultry dung: 10%
Kaolin: 2%
Cover shedding: 3%
(2) adopt the disk method earlier with KNO
3Mix with 2% kaolin, carry out granulation, make the core of fertiliser granulates;
(3) add (NH successively
4)
2SO
4, K
2SO
4, 3% cover shedding, (NH
4)
2HPO
4, fermentation poultry dung and normal superphosphate, parcel is made the tobacco special-purpose control-release fertilizer of particle diameter 8～10mm successively from inside to outside.
Embodiment 3: the preparation of tobacco special-purpose control-release fertilizer
(1) take by weighing following each component by weight percentage:
KNO
3：25％
(NH
4)
2HPO
4：15％
K
2SO
4：35％
(NH
4)
2SO
4：2％
Normal superphosphate: 8%
Fermentation poultry dung: 5%
Pig manure: 3%
Semen Maydis powder: 2%
Kaolin: 3%
Calcium sulfate: 2%
(2) adopt the disk method earlier with KNO
3Mix with 2% calcium sulfate, carry out granulation, make the core of fertiliser granulates;
(3) add (NH successively
4)
2SO
4, K
2SO
4, 3% kaolin, (NH
4)
2HPO
4, fermentation poultry dung, pig manure, Semen Maydis powder and normal superphosphate, parcel is made the tobacco special-purpose control-release fertilizer of particle diameter 4～7mm successively from inside to outside.
Embodiment 4: the preparation of tobacco special-purpose control-release fertilizer
Method is with embodiment 3, and different must be to take by weighing following each component by weight percentage:
KNO
3: 27%; (NH
4)
2HPO
4: 14%; K
2SO
4: 33%; (NH
4)
2SO
4: 3%; Normal superphosphate: 9%; Fermentation poultry dung: 4%; Pig manure: 2%; Semen Maydis powder: 2%; Kaolin: 3%; Calcium sulfate: 3%.
Embodiment 5: the application of tobacco special-purpose control-release fertilizer and simultaneous test
1 material method
1.1 basic condition experimental field
1.1.1 the basic physicochemical character of soil experimental field
Experimental field be located at Qi Shan town, Juxian County, Shandong Province, away from village, vegetable plot, booth, orchard, water waters facility, and measures the basic physicochemical character of soil (table 1) before the Yu Zhiyan.
The basic physicochemical character of table 1 experimental plot soil
| The place | Previous crops | Quality | Organic | Quick-acting nitrogen | Rapid available phosphorus | Available potassium | pH |
| Qi Shan town, Juxian County | Peanut | Brown earth | 0.684％ | 67.8mg.kg -1 | 6.39mg.kg -1 | 97.5mg.kg -1 | 6.6 |
1.1.2 experimental cultivar: NC82 (industry common name).
1.2 test design
Three factors are established in this test:
I. fertilization type:
K0: common fertilising, Sa Kefu 165kg.hm
-2, vitriolate of tartar 219kg.hm
-2, calcium superphosphate 225kg.hm
-2, saltpetre 180kg.hm
-2K1: tobacco special-purpose control-release fertilizer 750kg.hm
-2
II. prosperous long-term application growth regulator:
S1: spray rapin.The clear water contrast of S0:S1.
III. the ripening stage waters:
W0: the ripening stage does not water.W1: the ripening stage waters 1 time.
This test is totally 8 combined treatment, and each is handled and repeats 2 times.
Guarantee each processing fertilizer (soya-bean cake 300kg.hm
-2, wheat bran 225kg.hm
-2) amount of application equates that per hectare is used purity nitrogen 75kg, N: P
2O
5: K
2O=1: 1: 3.Each is handled three factors combine and sees Table 2.
Table 2 different treatment three factors combine
| Handle | K0S0 W0 | K1S0 W0 | K0S1 W0 | K1S1 W0 | K0S0 W1 | K1S0 W1 | K0S1 W1 | K1S1 W1 | |
| Potash fertilizer | K0 | ● | ● | ● | ● | ||||
| K1 | ● | ● | ● | ● | |||||
| Hormone | S0 | ● | ● | ● | ● | ||||
| S1 | ● | ● | ● | ● | |||||
| Water | W0 | ● | ● | ● | ● | ||||
| W1 | ● | ● | ● | ● | |||||
1.3 field test
Each handles sub-district area 25.4 * 3.3m
2, transplant density 1.1m * 0.5m, sub-district strain several 153.Field management routinely.The land for growing field crops economical character respectively handled in record, and a situation arises and baking back yield of tobacco, the output value, average price and hierarchical organization for disease and pest.And get 2 kilograms on C3F tobacco leaf and carry out inherent quality of tobacco leaf and conventional chemical analyzing and testing.
2 interpretations of result
2.1 to the tobacco influence of main breeding time
The different treatment growing stage sees Table 3.Each is handled growing stage and is 114 days, and different supplementary measures are not obvious to main influence breeding time of cigarette strain.
The main breeding time of tobacco under table 3 different treatment
| Handle | The transplanting phase (day/moon) | Group's phase (day/moon) | Squaring period (day/moon) | Pinch the phase (day/moon) | Adopt the roasting phase (day/moon) | Breeding time (d) |
| K0S0W0 K1S0W0 K0S1W0 K1S1W0 K0S0W1 K1S0W1 K0S1W1 K1S1W1 | 6/5 6/5 6/5 6/5 6/5 6/5 6/5 6/5 | 6/6 7/6 6/6 7/6 7/6 7/6 7/6 7/6 | 22/6 25/6 21/6 22/6 22/6 23/6 22/6 23/6 | 25/6 27/6 26/6 27/6 26/6 27/6 26/6 27/6 | 21/7～27/8 21/7～27/8 21/7～27/8 21/7～27/8 21/7～27/8 21/7～27/8 21/7～27/8 21/7～27/8 | 114 114 114 114 114 114 114 114 |
2.2 influence to cigarette strain economical character
Economical character mensuration is carried out in strain to the different treatment cigarette, the results are shown in Table 4.By table 4 as seen, compare with K0, potash fertilizer K1 has promoter action to plant height, pitch and leaf length, and plant-growth regulator has promoter action to the plant height and the number of sheets.
Table 4 different treatment is to the influence of cigarette strain economical character
| Handle | Plant height (cm) | The number of sheets (sheet) | Stem girth (cm) | Pitch (cm) | Waist leaf long (cm) | Waist leaf wide (cm) |
| K0S0W0 K1S0W0 K0S1W0 K1S1W0 K0S0W1 K1S0W1 K0S1W1 K1S1W1 | 100.5 101.2 100.2 106.8 92.5 96.6 97.8 103.2 | 17.2 17.0 16.7 18.3 15.7 16.6 17.3 17.5 | 9.5 9.4 9.4 9.8 8.7 8.9 8.7 9.0 | 57.2 56.3 54.8 56.0 54.4 54.6 53.2 55.3 | 62.2 59.1 61.7 60.8 59.3 60.9 59.4 62.2 | 29.9 27.7 29.0 29.6 27.6 28.6 27.0 28.5 |
2.3 influence to cigarette strain resistance
Field period carries out disease survey to different treatment, and statistics sickness rate and disease index the results are shown in Table 5,6.As shown in Table 5, general's fertilizer special for tobacco K1 makes weather spot, wildfire, TMV and CMV sickness rate reduce trend; Rapin can make the sickness rate of weather spot and wildfire reduce, but the TMV sickness rate increases; The trend that ripening stage waters disease is increased the weight of.As shown in Table 6, K1 can make the disease index of weather spot, wildfire, TMV and CMV reduce; Rapin can make the disease index of wildfire reduce, but the TMV disease index slightly improves; Watering then makes except that PVY all disease disease indexs rise, this may with drouth rain not, irrigate relevantly suddenly, therefore should further inquire into the mode that the ripening stage waters.Consolidated statement 5 and table 6 as can be known, K1, plant-growth regulator can reduce the generation of some disease to a certain extent, improve cigarette strain resistance, and the ripening stage waters and promoted the generation of disease.
Cigarette strain sickness rate (%) under table 5 different treatment
| Handle | Red-star like disease | The weather spot | Wildfire | TMV | CMV | PVY |
| K0S0W0 K1S0W0 K0S1W0 K1S1W0 K0S0W1 K1S0W1 K0S1W1 K1S1W1 | 0.59 1.45 4.15 1.24 2.52 0.93 0.96 1.65 | 6.88 8.54 5.15 3.57 12.20 7.70 9.93 9.40 | 5.42 4.07 3.07 0.83 5.75 4.52 4.63 3.55 | 2.50 0.00 2.50 2.50 2.50 0.00 7.50 5.00 | 2.50 0.00 5.00 0.00 5.00 2.50 5.00 0.00 | 2.50 5.00 0.00 2.50 12.50 2.50 5.00 5.00 |
Table 6 different treatment cigarette strain disease index
| Handle | Red-star like disease | The weather spot | Wildfire | TMV | CMV | PVY |
| K0S0W0 K1S0W0 K0S1W0 | 0.07 0.22 0.05 | 1.03 1.72 0.75 | 0.70 0.55 0.40 | 0.63 0.00 0.63 | 0.63 0.00 1.25 | 1.86 1.25 0.00 |
| K1S1W0 K0S0W1 K1S0W1 K0S1W1 K1S1W1 | 0.16 0.32 0.12 0.12 0.21 | 0.65 2.15 1.23 2.84 1.64 | 0.10 0.76 0.58 0.67 0.48 | 0.63 0.63 0.00 2.50 1.25 | 0.00 1.25 0.63 1.25 0.00 | 0.63 1.25 0.63 2.50 1.25 |
2.4 influence to economic target
Behind the different treatment tobacco leaf picking and roasting, meter produces meter matter (table 7).As shown in Table 7, the output and the output value present the trend of K0＞K1, but difference is little; Behind the prosperous long-term application rapin, all more corresponding clear water contrast of first-class cigarette ratio, average price, output and the output value increases, and visible rape have and promotes cigarette strain growth, the effect that improves economic targets such as yield of tobacco, the output value; Ripening stage may cause the blade attenuation after watering, and average price, output and the output value all are lower than does not water.Output, the output value have certain reference value as an index of leaf tobacco production, but quality of tobacco is more important.
Table 7 different treatment tobacco leaf economic target
| Handle | First-class cigarette (%) | Medium grade cigarette (%) | Average price ( .k -1) | Output (Kg.hm -2) | The output value ( .hm -2) |
| K0S0W0 K1S0W0 K0S1W0 K1S1W0 K0S0W1 K1S0W1 K0S1W1 K1S1W1 | 26.38 20.68 32.79 27.69 14.90 18.35 24.86 30.05 | 50.59 59.72 46.62 49.66 58.33 53.09 55.40 51.74 | 7.12 6.82 7.56 7.42 5.29 5.81 6.40 6.57 | 2771.00 2760.00 2818.00 2682.00 2378.00 2124.00 2862.00 2724.00 | 19815.00 18585.00 21255.00 19890.00 12540.00 12465.00 18090.00 17685.00 |
2.5 influence to chemical ingredients
Different treatment middle part tobacco leaf conventional chemical analytical results sees Table 8.As shown in Table 8, different treatment is to the difference that influences of the chemical ingredients of tobacco leaf.Potassium content is handled the highest with K1S1W1, be 1.80%, apparently higher than common contrast K0S0W0 (1.44%).Potassium chlorine is followed successively by K1S1W1＞K0S0W1＞K0S1W1 than the processing greater than 3.K1 is best to improving the effect of tobacco leaf potassium content, the fertilizer releasing rule of general's fertilizer special for tobacco K1 and the regulation of fertilizer requirement of cigarette strain are identical substantially, and promote the cigarette strain early to send out length fast early stage, and later stage nitrogenous fertilizer supply reduces relatively, potash fertilizer is in liberal supply, has promoted the absorption of cigarette strain to potash fertilizer; After using rapin, can to a certain degree keep apical dominance, promote the tobacco leaf growth, and cl content is decreased; And after the ripening stage watered, cl content also decreased, and potassium chlorine is height than all to water.
Table 8 different treatment C3F (middle tangerine three) main chemical compositions content
| Handle | Total reducing sugar (%) | Reducing sugar (%) | Nicotine (%) | Potassium oxide (%) | Chlorine (%) | Sugar alkali ratio | Potassium chlorine ratio |
| K0S0W0 | 33.40 | 30.50 | 2.32 | 1.44 | 0.56 | 14.40 | 2.57 |
| K1S0W0 K0S1W0 K1S1W0 K0S0W1 K1S0W1 K0S1W1 K1S1W1 | 32.70 33.50 32.80 33.10 33.90 33.50 32.30 | 31.70 32.80 31.60 31.80 32.20 33.40 30.50 | 2.90 2.29 3.02 3.02 2.23 2.38 2.43 | 1.78 1.41 1.48 1.48 1.58 1.53 1.80 | 0.83 0.48 0.75 0.43 0.57 0.46 0.44 | 11.28 14.63 10.86 10.96 15.20 14.08 13.29 | 2.14 2.94 1.97 3.44 2.77 3.33 4.09 |
2.6 influence to the quality of smokeing panel test
Getting different treatment C3F (middle tangerine three, industry common name) tobacco leaf carries out single-tobacco-typed cigarette and rolls, and carry out inner quality and identify that its score of smokeing panel test the results are shown in Table 9.The score of smokeing panel test is higher than common contrast K0S0W0 (74.0) with K1S1W1 the highest (74.7).The tobacco special-purpose control-release fertilizer has certain effect to improving tobacco incense makings, incendivity and grey; Rapin strengthens fragrance matter and incendivity to some extent; Ripening stage waters and can improve tobacco incense makings, incendivity and grey.
Table 9 different treatment C3F (the middle tangerine three) score of smokeing panel test
| Handle | Fragrance matter 15 | Perfume quantity 20 | Pleasant impression 25 | Assorted gas 18 | Pungency 12 | Incendivity 5 | Grey 5 | Total points 100 |
| K0S0W0 K1S0W0 K0S1W0 K1S1W0 K0S0W1 K1S0W1 K0S1W1 K1S1W1 | 11.3 11.5 11.4 11.6 11.4 11.5 11.8 11.9 | 15.8 15.9 15.7 15.7 15.9 15.9 15.7 15.8 | 18.9 18.9 18.8 18.7 18.7 18.7 18.9 18.8 | 12.7 12.9 12.9 12.9 12.8 12.8 12.8 12.8 | 8.6 8.7 8.9 8.6 8.6 8.7 8.9 8.6 | 3.15 3.17 3.17 3.18 3.16 3.17 3.18 3.19 | 3.51 3.53 3.54 3.54 3.51 3.54 3.52 3.57 | 74.0 74.6 74.4 74.2 74.1 74.4 74.5 74.7 |
3 brief summaries
Potash fertilizer K1 has promoter action to plant height, pitch and leaf length; Plant-growth regulator has positive-effect to the plant height and the number of sheets.Behind the prosperous long-term application rapin, all more corresponding contrast of first-class cigarette ratio, average price, output and the output value increases.
Tobacco special-purpose control-release fertilizer of the present invention can make the disease index of weather spot, wildfire, TMV and CMV reduce; Rapin can make the disease index of wildfire reduce; Watering then makes except that PVY all disease disease indexs rise, this may with drouth rain not, irrigate relevantly suddenly, therefore should further inquire into the mode that the ripening stage waters.
The tobacco special-purpose control-release fertilizer has promoted the absorption of cigarette strain to potassium; After using rapin cl content is decreased; And after the ripening stage watered, cl content also decreased, and potassium chlorine does not water than all being higher than; Tobacco special-purpose control-release fertilizer, rapin and ripening stage water has certain effect to improving tobacco incense makings, incendivity and grey.
Take all factors into consideration the tobacco leaf factors such as quality and potassium content of smokeing panel test, handle preferably with K1S1W1, help improving Shandong tobacco leaf potassium content, improve tobacco incense makings, incendivity and grey.
Claims (10)
1. the special-purpose control-release fertilizer that grows tobacco, form by the component of following weight per-cent:
KNO
3：22％～27％
(NH
4)
2HPO
4：13％～16％
K
2SO
4：30％～35％
(NH
4)
2SO
4：1％～3％
Normal superphosphate: 6%～9%
Fertilizer: 8%～12%
Tackiness agent: 4%～8%.
2. tobacco special-purpose control-release fertilizer as claimed in claim 1 is characterized in that, described component is made up of following weight per-cent:
KNO
3：25％
(NH
4)
2HPO
4：15％
K
2SO
4：35％
(NH
4)
2SO
4：2％
Normal superphosphate: 8%
Fertilizer: 10%
Tackiness agent: 5%
3. tobacco special-purpose control-release fertilizer as claimed in claim 1 or 2 is characterized in that, described fertilizer is the mixture of one of fermentation poultry dung, pig manure, soya-bean cake, Semen Maydis powder or its any weight ratio; Described tackiness agent is the mixture of one of kaolin, illiteracy shedding, calcium sulfate or its any weight ratio.
4. tobacco special-purpose control-release fertilizer as claimed in claim 3 is characterized in that described fertilizer is a soya-bean cake.
5. tobacco special-purpose control-release fertilizer as claimed in claim 3 is characterized in that described tackiness agent is a kaolin.
6. the production method of the described tobacco special-purpose control-release fertilizer of claim 1, form by following step:
(1) takes by weighing each component by weight percentage;
(2) adopt the disk method earlier with KNO
3Mix with 2%～3% tackiness agent, carry out granulation, make the core of fertiliser granulates;
(3) add (NH successively
4)
2SO
4, K
2SO
4, 3%～5% tackiness agent, (NH
4)
2HPO
4, fertilizer and normal superphosphate, parcel is made the tobacco special-purpose control-release fertilizer of particle diameter 2～10mm successively from inside to outside.
7. the production method of tobacco special-purpose control-release fertilizer as claimed in claim 6 is characterized in that, nitrogen, phosphorus, potassium weight percent content are controlled to be respectively in the fertile component of described controlled release: 6.6%, 8.8%, 28%.
8. the production method of tobacco special-purpose control-release fertilizer as claimed in claim 6 is characterized in that, the particle diameter of described controlled release fertilizer is 5～8mm.
9. the described tobacco special-purpose control-release fertilizer of claim 1 has improved the tobacco leaf potassium content promoting the tobacco leaf growth, has improved the application in the quality of tobacco.
10. tobacco special-purpose control-release fertilizer as claimed in claim 9 has improved the tobacco leaf potassium content promoting the tobacco leaf growth, has improved the application in the quality of tobacco, and wherein, described controlled release is used 50 kilograms for fertile every mu.
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|---|---|---|---|
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010258A (en) * | 2010-06-22 | 2011-04-13 | 华南农业大学 | Controlled release formula fertilizer for tobacco and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367686B (en) * | 2008-09-24 | 2011-03-16 | 中国烟草总公司郑州烟草研究院 | Water holding controlled release fertilizer special for tobacco and method for producing the same |
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| CN103739395B (en) * | 2014-01-08 | 2015-12-30 | 徐庆凯 | A kind of tobacco special organic inorganic compound pesticide fertilizer |
| CN110294654B (en) * | 2019-08-14 | 2021-10-22 | 金华万里神农农业科技有限公司 | Special fertilizer for tobacco and preparation method and application thereof |
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| CN102010258B (en) * | 2010-06-22 | 2013-12-04 | 华南农业大学 | Controlled release formula fertilizer for tobacco and preparation method and application thereof |
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