CN106187613A - One is used for purple soil flue-cured tobacco root system conditioning products and preparation method and application - Google Patents
One is used for purple soil flue-cured tobacco root system conditioning products and preparation method and application Download PDFInfo
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- CN106187613A CN106187613A CN201610572884.7A CN201610572884A CN106187613A CN 106187613 A CN106187613 A CN 106187613A CN 201610572884 A CN201610572884 A CN 201610572884A CN 106187613 A CN106187613 A CN 106187613A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/007—Determining fertilization requirements
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Fertilizers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The open one of the present invention is used for purple soil flue-cured tobacco root system conditioning products and preparation method and application.This product includes fertile core, organic nutrient substance layer and the composite microbial nitride layer arranged the most successively；Effective ingredient in fertile core is a great number of elements n-p-k element, moderate-element calcium and magnesium element sulphur and trace element；Nutrient substance in organic nutrient substance layer is Sargassum extract and low-molecular weight chitoglycan；Complex microorganism is bacillus subtilis, bacillus amyloliquefaciens and bacillusmusilaginosiengineering.The present invention is by by the effective ingredient in fertile core and binding agent mixing, pelletize；Then superscribe nutrient substance and the mixture of binding agent formation, form organic nutritive substance layer；Then after spraying binding agent, then spray complex microorganism, form composite microbial nitride layer.Apply the present invention to tobacco planting, the time in also seedling stage can be shortened, add root density and specific root length, hence it is evident that improve yield of tobacco, and improve quality of tobacco.
Description
Technical field
The present invention relates to the composite regulator of a kind of plant root growth, particularly to one for purple soil flue-cured tobacco root system
Conditioning products and preparation method and application.
Background technology
Nicotiana tabacum L. is a kind of important industrial crops, and Nanxiong City of Guangdong Province purple soil is as the tobacco-growing soil of south characteristic, main
Luzhou-flavor flue-cured tobacco to be produced.According to domestic scholars: Nanxiong purple soil has that soil layer is thin, easily hardens, water conservation fertilizer-preserving ability is poor, have
The features such as machine matter content is low, which results in Root Growth in Tobacco bad, and then have impact on yield of flue-cured tobacco and quality.
Accurate soil nutrient content measures and is conducive to the rational application of fertilizer, meanwhile, Rational Application microbial inoculum fertilizer, can improve soil
Earth fertility, can improve again the continuous cropping obstacle of soil.
At present, Chinese patent (publication number: CN104541646A) discloses a kind of improvement Purple Soil in South China arid hillside field and plants cigarette
The method of soil, this patent is made green manure after being processed by plantation Herba crotalariae mucronatae green manuring, is carried out improveing purple soil, but this patent is not examined
The problem considering nutrient balance.Chinese patent (publication number: CN103820125A) discloses plants cigarette purple soil modifying agent and use thereof
Method, this patent carries out mixing granulation polyacrylamide, weathered coal, by improving soil aeration situation, and then improvement soil,
Owing to the most, nutrient supply cause it to have weak point less.Chinese patent (publication number: CN103102216A) reports
The coated fertilizer of induction root growth and preparation thereof, have the addition promoting root material compound sodium nitrophenolate, naphthalene acetic acid etc., field test table
Bright, flue-cured tobacco root growth on the purple soil of Nanxiong can not be played and be obviously promoted effect by this patent.Chinese patent (publication number:
CN104892177A) disclose a kind of apple tree microbial bacterial manure special, directly microbial inoculum is sprayed on fertile wicking surface, fertile core
May result in the salt stress inactivation of microbial bacteria after dissolving, therefore, apply big Tanaka, there is the problem that effect is unstable.
At present, for the problems referred to above and present status in China, the most do not occur for Nanxiong City of Guangdong Province purple soil flue-cured tobacco root system
The report of growth conditioning product.
Summary of the invention
The primary and foremost purpose of the present invention is that the shortcoming overcoming prior art is with not enough, it is provided that a kind of for purple soil flue-cured tobacco root
It it is conditioning products.
Another object of the present invention is to provide by the described preparation side for purple soil flue-cured tobacco root system conditioning products
Method.
It is still another object of the present invention to provide the described application for purple soil flue-cured tobacco root system conditioning products.
The purpose of the present invention is achieved through the following technical solutions: one is used for purple soil flue-cured tobacco root system conditioning products, including
Fertile core, organic nutrient substance layer and the composite microbial nitride layer arranged the most successively；
The described effective ingredient in fertile core is a great number of elements n-p-k element, moderate-element calcium and magnesium element sulphur and trace unit
Element；
The described nutrient substance in organic nutrient substance layer is Sargassum extract and low-molecular weight chitoglycan；
Described complex microorganism is bacillus subtilis, bacillus amyloliquefaciens and bacillusmusilaginosiengineering.
Described a great number of elements N P and K, moderate-element calcium and magnesium sulfur and trace element (70～85) in mass ratio: (10～
20): (2～5) proportioning；It is preferably the proportioning of 76:18:5 in mass ratio.
Described organic nutrient substance layer and the content of described complex microorganism are as follows: every 1000g fertilizer core proportioning 0.6～
0.7g Sargassum extract, 0.019～0.02g low-molecular weight chitoglycan, 15～2,500,000,000 bacillus subtilises, 15～3,000,000,000 solutions
Bacillus amyloliquefaciens, 10～2,000,000,000 bacillusmusilaginosiengineerings；Be preferably every 1000g fertilizer core proportioning 0.62g Sargassum extract,
0.02g low-molecular weight chitoglycan, 15～2,500,000,000 bacillus subtilises, 15～3,000,000,000 bacillus amyloliquefaciens, 10～2,000,000,000
Individual bacillusmusilaginosiengineering.
N:P in described a great number of elements n-p-k element2O5:K2The O proportioning of 3:2:4 the most in mass ratio.
The Ca:Mg:S proportioning of 5:6:6 the most in mass ratio in described moderate-element calcium and magnesium element sulphur.
Described trace element includes ferrum (Fe), manganese (Mn), copper (Cu), zinc (Zn), boron (B), molybdenum (Mo)；Preferably ferrum:
Manganese: copper: zinc: boron: molybdenum=1:1:1:4:1:0.2 (mass ratio).
In described a great number of elements n-p-k element, nitrogen is the complex of available nitrogen and slow-release nitrogen；Potassium includes that available potassium is eased up
Release potassium.
The source of described available nitrogen is preferably carbamide.
The source of described slow-release nitrogen is preferably ureaformaldehyde carbamide.
The source of described slow release potassium is preferably potassium alginate.
The source of described available potassium is preferably at least one in potassium dihydrogen phosphate, potassium nitrate and potassium sulfate.
Described available nitrogen and the described slow-release nitrogen proportioning of 6:1 in mass ratio.
Described available potassium and the described slow release potassium proportioning of 4:1 in mass ratio.
The source of described moderate-element calcium and magnesium element sulphur is preferably the compositions that Magnesium sulfate heptahydrate is formed with calcium nitrate.
The source of described trace element is preferably EDTA-zinc, EDTA-ferrum, EDTA-copper, EDTA-manganese, boric acid and molybdic acid
Ammonium.
Described low-molecular weight chitoglycan is the chitosan of mean molecule quantity 3000～4000Da；Preferably mean molecule quantity
The chitosan of 3500Da.
Described is graininess for purple soil flue-cured tobacco root system conditioning products, during the most each layer of making, adds binding agent,
Advantageously molding.
Described binding agent is preferably in modified starch, hydroxyethyl cellulose, cellulose, xanthan gum and carrageenan at least
A kind of.
The consumption of described binding agent is can make fertile core molding, to be advisable for purple soil flue-cured tobacco root system conditioning products molding.
In described fertile core, the weight/mass percentage composition of described binding agent is preferably 0.02～0.03%；More preferably
0.026%.
In described organic nutrient substance layer, the weight/mass percentage composition of described binding agent is preferably 1.5～2%；More
It is preferably 1.8%.
A diameter of the 3.3 of described finished product～5.5mm, individual particle is heavily 0.15～0.22g；The diameter of fertile core therein is excellent
Elect 3～5mm as.
Described purple soil is the soil with following feature: pH value is about 7.94, alkali-hydrolyzable nitrogen content is about 58.22mg/
Kg, rapid available phosphorus are about 34.98mg/kg, available potassium is about 70.42mg/kg, effective calcium is about 1.65g/kg, effective magnesium is about
2.1g/kg, effective ferrum are about 5.51mg/kg, effective manganese is about 1.32mg/kg, effective zinc is about 0.92mg/kg, Available cupper about
For 0.63mg/kg, effective boron is about 0.17mg/kg, the content of organic matter is about 1%, and implication about represents, in the scope of ± 5%
In, it is preferably in the range of ± 3%, in the range of more preferably ± 1%.
A kind of preparation method for purple soil flue-cured tobacco root system conditioning products, comprises the steps:
(1) first a great number of elements n-p-k element, moderate-element calcium and magnesium element sulphur and trace element are pulverized, are sufficiently mixed
After, add binding agent and mix again, by extruder grain, be prepared as fertile slug particle；
(2) Sargassum extract, low-molecular weight chitoglycan degradation solution and binding agent are mixed, obtain having sticking compound molten
Liquid；Composite degradation liquid is uniformly sprayed on fertile slug particle surface, forms one layer of organic nutrient substance layer on fertile slug particle surface；
(3) treat that the organic nutrient substance layer in step (2) is dried, spray binding agent on its surface；Spray multiple the most again
Close microbial inoculum, naturally dry, obtain being exclusively used in the flue-cured tobacco root system conditioning products of purple soil；
Wherein, a great number of elements N P and K, moderate-element calcium and magnesium sulfur and trace element (70～85) in mass ratio: (10～
20): (2～5) proportioning；Every 1000g fertilizer slug particle proportioning 0.6～0.7g Sargassum extract, 0.019～0.02g low-molecular-weight shell
Polysaccharide, 15～2,500,000,000 bacillus subtilises, 15～3,000,000,000 bacillus amyloliquefaciens, 10～2,000,000,000 gel-shaped spore bars
Bacterium.
The binding agent described in step (1) content in described fertile slug particle be preferably mass percent 0.02～
0.03%.
The diameter of the fertile slug particle described in step (1) is preferably 3～5mm.
Sargassum extract described in step (2) prepares preferably by following steps: make even by Sargassum pulverizing
Slurry, by homogenate: PPC compound enzyme mass ratio adds PPC compound enzyme equal to 10000:2, carries out shaking enzymolysis, after 4h in 45～55 DEG C
The centrifugal supernatant obtained is Sargassum extract.
Low-molecular weight chitoglycan described in step (2) is the chitosan of mean molecule quantity 3000～4000Da；The most flat
The chitosan of average molecular weight 3500Da.
Low-molecular weight chitoglycan degradation solution described in step (2) is preferably made by the steps and obtains: by concentration be
The chitosan liquid of mass percent 5%, concentration are the hydrogenperoxide steam generator of mass percent 30% and concentration is mass percent
The glacial acetic acid solution of 99.5% 4:1:1 by volume mixes, and in 40 DEG C of heating, is sufficiently stirred for 7 hours, obtains degradation of chitosan
Liquid.
Described Sargassum extract prepares preferably by following steps: is pulverized by Fresh Laminaria Japonica, makes homogenate, press
Homogenate: PPC compound enzyme mass ratio=10000:2 adds PPC compound enzyme, carries out shaking enzymolysis in 48～50 DEG C, is centrifuged after 4h
To supernatant be Sargassum extract.
The binding agent described in step (2) content in described organic nutrient substance layer is preferably mass percent
1.5～2%.
A diameter of 3.3～5.5mm of finished product described in step (4), individual particle is heavily 0.15～0.22g.
The described using method for purple soil flue-cured tobacco root system conditioning products, comprises the steps:
A, after tobacco seedlings is transplanted to purple soil, the root system conditioning products of the present invention is imposed on the root of tobacco seedlings, every strain is executed
With 20；
B, when highland barley phase, the root system conditioning products by the present invention imposes on the root of tobacco seedlings again, and every strain uses 30.
Described purple soil is more preferably the purple soil in area, Nanxiong.
The present invention has such advantages as relative to prior art and effect:
The present invention uses the principle of fertilization compositions based on earth measurement, can meet the nutrient needed for tobacco growth targetedly, again can
It is effectively improved the yield and quality of flue-cured tobacco.The present invention uses microbial bacterial agent, it is provided that multiple soil beneficial microbe strain, improves
Tobacco resistance (resistance to bacterial wilt, anthrax), alleviates soil compaction problem, improves soil nutrient utilization rate；Employing ureaformaldehyde is urinated
Element, as nitrogen source, both can provide the nitrogen nutrition needed for flue-cured tobacco, it is also possible to nitrogenous fertilizer plays slow release effect, improves nutrien utilization
Efficiency；Use degradation of chitosan liquid and the mode of Sargassum extract peplos of low-molecular-weight, not only improve the absorption of root system, the most right
Slow release effect is played in the utilization of fertilizer；Add organic nutrient substance, owing to degradation of chitosan liquid has the highest biological activity, thorn
Swash the generation of plant endogenous hormones, quickly promote cell division, promote lateral root growth, the formation of inducing adventitious root, be greatly increased
Root density, the root system of prosperity for flue-cured tobacco offer is huge, can widely absorb nutrient for needed for tobacco growth.Additionally wrap
Membrane material is cheap, be easy to get, and largely reduces the production cost of the present invention, uses the mode of peplos can also play nutrient
To the effect of slow release, improve the utilization ratio of nutrient.One time peplos uses polysaccharose substance, it is to avoid secondary peplos micro-
Biological bacteria directly contacts with inorganic nutrients, moreover it is possible to provide nutrient substance for microbial bacteria, it is to avoid inactivation.
The result of the test of the present invention shows, at the tobacco transplant initial stage, the root system conditioning products of the present invention is administered to every strain
After tobacco seedlings, shorten the time in also seedling stage, add root density and specific root length, namely add the long-pending interior side of the unit soil body
Radical mesh.The concrete application effect of the present invention is: compared with the control, this root system conditioning products significant increase purple soil 0～20cm
Root quantity in soil layer, hence it is evident that improving yield of tobacco, and improve quality of tobacco, concrete data are shown in Table 3,4,5,6.
Accompanying drawing explanation
Fig. 1 is the outside drawing of flue-cured tobacco root system conditioning products on purple soil of embodiment 1 preparation.
Fig. 2 is that purple soil flue-cured tobacco root system conditioning products affects result figure to root system；Wherein, figure (A) is matched group, figure
(B) it is experimental group.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.
The preparation of degradation of chitosan liquid: (this chitosan is agricultural level chitosan, is purchased from Zhaoqing long queue by 5% chitosan liquid
Bio tech ltd), concentration be the hydrogenperoxide steam generator of mass percent 30%, concentration be mass percent 99.5%
Glacial acetic acid solution 4:1:1 by volume mixes, and heats in 40 DEG C of constant temperature water baths, is sufficiently stirred for 7 hours, obtains degradation of chitosan
Liquid.Chitosan mean molecule quantity after using potassium ferricyanide development process to record degraded is 3500Da, gained low-molecular weight chitoglycan
Solution content is 3.3%.
The preparation of seaweed extracted liquor: Fresh Laminaria Japonica is pulverized, makes homogenate, by homogenate: PPC compound enzyme mass ratio=
10000:2 adds PPC compound enzyme, carries out shaking enzymolysis in 48～50 DEG C, and after 4h, the centrifugal supernatant obtained is Sargassum extract.
Embodiment 1: prepared by product
The analysis result of Nanxiong City of Guangdong Province purple soil typical soil sample is as follows: pH value is 7.94, alkali-hydrolyzable nitrogen content
58.22mg/kg, rapid available phosphorus 34.98mg/kg, available potassium 70.42mg/kg, effective calcium 1.65g/kg, effective magnesium 2.1g/kg, have
Effect ferrum 5.51mg/kg, effective manganese 1.32mg/kg, effective zinc 0.92mg/kg, Available cupper 0.63mg/kg, effective boron 0.17mg/
Kg, the content of organic matter 1%.
According to above-mentioned soil nutrient content index, and combine in table 1 country's overall survey of soil standard and claim excellent
Select ratio range, heavily prepare by 9 fertile cores:
(1) first by potassium nitrate 1964g, potassium dihydrogen phosphate 2633g, ureaformaldehyde carbamide 460g, potassium alginate 1145g, nitric acid
Calcium 800g, Magnesium sulfate heptahydrate 1430g, EDTA-zinc 224g, EDTA-copper 63g, EDTA-ferrum 67g, EDTA-manganese 68g, boric acid 56g,
Ammonium molybdate 10g, mass percent be 3% cellulose solution 80g mixing smash, mix, extruder grain, obtain fertile core, diameter
It is 3～5mm.
(2) take seaweed extracted liquor 5.6g, degradation of chitosan liquid 5.4g and xanthan gum 3.3g adds water and is configured to the mixing of 180g
Solution.
(3) mixed liquor of preparation in step (2) being uniformly sprayed on the fertile wicking surface in step (1), the method for use is round
Dish pelletize is uniformly sprayed when rotating, and forms peplos thing.
(4) dried at above-mentioned peplos thing, it is continuing with disk rotational, the hydroxyethyl cellulose spraying mass ratio 3% is molten
Liquid 90g, sprays 90g the most again containing the bacillus subtilis of 2.5 hundred million/ml, 2.0 hundred million/ml bacillus amyloliquefaciens, 1.5 hundred million/ml jelly
The complex microorganism bacterium solution of sample bacillus cereus (three kinds of bacterial strains be all purchased from Jiangmen city gold pelagic organisms Science and Technology Ltd.).Naturally dry
I.e. obtain being exclusively used in flue-cured tobacco root system conditioning products (as shown in Figure 1), gross weight 9.1 on purple soil after dry.
Table 1 country overall survey of soil nutrient classification standard
Select from: Liu Fengzhi edits. Agricultural Environmental Monitoring application manual. Beijing: China Standards Press, 2001:610
Embodiment 2: pot experiment
Test site: solarium of Agricultural University Of South China is carried out.Use to observe Nanxiong purple soil flue-cured tobacco root system conditioning products
The most complete root system situation, uses the method for pot experiment to study root system, arranges control treatment and embodiment 1 preparation is executed
Process with root system conditioning products (for experimental group), the processing method of root system conditioner of the present invention: Guangdong cigarette 97 seed is sowed at and educates by (1)
Seedling dish carries out floating seedlings, until tobacco seedlings length to four leaves wholeheartedly time start to transplant, the conditioning of the root system then prepared by embodiment 1 is produced
Product impose on the root of tobacco seedlings, and 20 (every about 0.15～0.20g) are used in every strain, and mu executes about 15kg；(2) in a highland barley phase, again
The root system conditioning products of the present invention is imposed on Nicotiana tabacum L. root, and every strain uses 30, and mu executes about 20kg.Control treatment is: containing with
Root system conditioning products same amount of organic-inorganic raw material, binding agent, microbial inoculum, do not have peplos to process the product that direct mixing granulation obtains
Product.Each process 4 repetition, carries out washing root (such as Fig. 1) after flue-cured tobacco transplanting 70d, then complete root system is carried out drying and surveys
Dry weight, measurement result is shown in Table 2, and after using the present invention, the dry weight of tobacco root improves 32.5%, and overground part dry weight improves
24.6%.
The impact on weight of root system of the table 2 Nanxiong purple soil flue-cured tobacco root system conditioning products
Embodiment 3: field experiment
Test site: Nicotiana tabacum L. Science Institute purple soil experimental plot, Nanxiong City of Guangdong Province.It is Guangdong cigarette 98 for examination tobacco seedlings kind,
Each process is 3 ridges.The processing method of root system conditioner of the present invention is identical with pot experiment.
After four leaves tobacco seedlings wholeheartedly is transplanted, 30d, 50d, 70d take the root system survey of 0-10cm, 10-20cm, 20-30cm soil layer
Determining beetroot yield and specific root length, every sub-sampling is all at main root axle 5-10cm, and the most each sampling number processed is 5 strains.Root length
Density refers to the root length in unit soil volume, is to weigh the important indicator that root system is how many.Specific root length (root system length and weight of root system
Ratio) it is the important parameter weighing root diameter, the value of specific root length is the biggest, illustrates that root system is the most tiny.
Such as table 3, after tobacco seedlings is transplanted, for 0-10cm soil layer, at the root that 0-70d control treatment and root system conditioning products process
Long density is gradually increased, root system conditioning products process 30d, 50d, 70d beetroot yield respectively than control treatment increase by 122%,
78%, 23%.For the soil layer of 10-20cm, root system conditioning products processes the beetroot yield ratio comparison place respectively of 30d, 50d, 70d
Reason increase by 55%, 137%, 45%.For the soil layer of 20-30cm, use root system conditioning products and process the root length of 30d, 50d, 70d
The difference of density and control treatment is the most significant.It can therefore be appreciated that: using Nanxiong purple soil flue-cured tobacco root system conditioning products can show
The beetroot yield increasing 0-20cm soil layer, the root density in significant increase unit volume, be conducive to more polyauxotrophic absorption.
Such as table 4, for 0-10cm soil layer, it is gradually increased at 0-70d control treatment and the specific root length using the process of root system conditioning products, root
It is that conditioning products processes the beetroot yield of 30d, 50d, 70d respectively than conventional treatment increase by 24%, 16%, 17%.For 10-
The specific root length of 20cm soil layer adds 18% when 30d, increases inconspicuous at 50d and 70d.At 20-30cm soil layer routine
The specific root length increase that reason and root system conditioning products process is the most significant.Thus explanation: use Nanxiong purple soil root system conditioning products
After can increase the specific root length of root system in thin solum.
In sum, at 0-20cm soil layer, use flue-cured tobacco root system conditioning products increases beetroot yield and specific root length, i.e. simultaneously
Root density and total length in the unit soil body is long-pending increase, and illustrate that side radical purpose increases substantially, this absorption to nutrient
Play facilitation.
The table 3 Nanxiong purple soil flue-cured tobacco root system conditioning products dynamic effect to beetroot yield
Note: represent that the two difference is significant with the different lower cases after string same growthdevelopmental stage data.
The table 4 Nanxiong purple soil flue-cured tobacco root system conditioning products dynamic effect to specific root length
Note: carry out diversity with the same growthdevelopmental stage of string and compare.
Embodiment 4: field demonstration test
Chemical composition and ratio thereof in Nicotiana tabacum L. are the important indicators weighing inherent quality of tobacco leaf, the conventional chemical in Nicotiana tabacum L.
The fragrance of Nicotiana tabacum L. is had a major impact by component content.Table 5 understands, and uses flue-cured tobacco root system conditioning products and promotes middle part Nicotiana tabacum L. reduction
Sugar, total sugar and the accumulation of protein, but the increase of protein content is the most significant；In terms of total nitrogen, root system conditioning products processes
It is obviously promoted effect than control treatment, but on total nicotine without impact.Sugar alkali produces than all showing as root system conditioning than with nitrogen base
Product > control treatment.
The impact on middle part Nicotiana tabacum L. (C3F) chemical composition of the root system conditioning products of table 5 present invention
After Nicotiana tabacum L. results baking, measure the yield of tobacco of each process and calculate the output value according to local procurement price.Can from table 6
To find out, the yield increased that root system conditioning products processes processes high by 10.32%；Output value increase reaches 345.77 yuan.According to flue-cured tobacco
The amount of application of root system conditioning products calculates fertilizer cost, and then calculates ratio for input and output value, show that the product of root system conditioning products is thrown
Ratio reaches 3.11.
The root system conditioning products of table 6 present invention is on yield of tobacco and the impact of the output value
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment
Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify,
All should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. one kind is used for purple soil flue-cured tobacco root system conditioning products, it is characterised in that: include the fertile core arranged the most successively, have
Machine nutritive substance layer and composite microbial nitride layer；
The described effective ingredient in fertile core is a great number of elements n-p-k element, moderate-element calcium and magnesium element sulphur and trace element；
The described nutrient substance in organic nutrient substance layer is Sargassum extract and low-molecular weight chitoglycan；
Described complex microorganism is bacillus subtilis, bacillus amyloliquefaciens and bacillusmusilaginosiengineering.
The most according to claim 1 for purple soil flue-cured tobacco root system conditioning products, it is characterised in that:
Described a great number of elements N P and K, moderate-element calcium and magnesium sulfur and trace element (70～85) in mass ratio: (10～20): (2
～5) proportioning；
Described trace element includes ferrum, manganese, copper, zinc, boron, molybdenum；
Described organic nutrient substance layer and the content of described complex microorganism are as follows: every 1000g fertilizer core proportioning 0.6～0.7g
Sargassum extract, 0.019～0.02g low-molecular weight chitoglycan, 15～2,500,000,000 bacillus subtilises, 15～3,000,000,000 solution starch
Bacillus cereus, 10～2,000,000,000 bacillusmusilaginosiengineerings；It is preferably every 1000g fertilizer core proportioning 0.62g Sargassum extract, 0.02g
Low-molecular weight chitoglycan, 15～2,500,000,000 bacillus subtilises, 15～3,000,000,000 bacillus amyloliquefaciens, 10～2,000,000,000 jelly
Sample bacillus cereus.
The most according to claim 1 for purple soil flue-cured tobacco root system conditioning products, it is characterised in that:
N:P in described a great number of elements n-p-k element2O5:K2The O proportioning of 3:2:4 in mass ratio；
The Ca:Mg:S proportioning of 5:6:6 in mass ratio in described moderate-element calcium and magnesium element sulphur；
Described trace element is ferrum: manganese: copper: zinc: boron: the mass ratio=1:1:1:4:1:0.2 of molybdenum.
The most according to claim 1 for purple soil flue-cured tobacco root system conditioning products, it is characterised in that: described a great number of elements nitrogen
In phosphorus potassium element, nitrogen is the complex of available nitrogen and slow-release nitrogen；Potassium includes available potassium and slow release potassium.
The most according to claim 4 for purple soil flue-cured tobacco root system conditioning products, it is characterised in that:
The source of described available nitrogen is carbamide；
The source of described slow-release nitrogen is ureaformaldehyde carbamide；
The source of described slow release potassium is potassium alginate；
The source of described available potassium is at least one in potassium dihydrogen phosphate, potassium nitrate and potassium sulfate；
Described available nitrogen and the described slow-release nitrogen proportioning of 6:1 in mass ratio；
Described available potassium and the described slow release potassium proportioning of 4:1 in mass ratio.
The most according to claim 1 for purple soil flue-cured tobacco root system conditioning products, it is characterised in that: described moderate-element calcium
The source of magnesium element sulphur is the compositions that Magnesium sulfate heptahydrate is formed with calcium nitrate；
The source of described trace element is EDTA-zinc, EDTA-ferrum, EDTA-copper, EDTA-manganese, boric acid and ammonium molybdate；
Described low-molecular weight chitoglycan is the chitosan of mean molecule quantity 3000～4000Da；Preferably mean molecule quantity 3500Da
Chitosan.
The most according to claim 1 for purple soil flue-cured tobacco root system conditioning products, it is characterised in that: also comprise for molding
Binding agent.
8. for the preparation method of purple soil flue-cured tobacco root system conditioning products described in any one of claim 1～7, it is characterised in that bag
Include following steps:
(1), after first a great number of elements n-p-k element, moderate-element calcium and magnesium element sulphur and trace element being pulverized, be sufficiently mixed, add
Enter binding agent to mix again, by extruder grain, be prepared as fertile slug particle；
(2) Sargassum extract, low-molecular weight chitoglycan degradation solution and binding agent are mixed, obtain having sticking composite solution；
Composite degradation liquid is uniformly sprayed on fertile slug particle surface, forms one layer of organic nutrient substance layer on fertile slug particle surface；
(3) treat that the organic nutrient substance layer in step (2) is dried, spray binding agent on its surface；Spray compound micro-the most again
Biological bacterium solution, naturally dries, obtains being exclusively used in the flue-cured tobacco root system conditioning products of purple soil；
Wherein, a great number of elements N P and K, moderate-element calcium and magnesium sulfur and trace element (70～85) in mass ratio: (10～15): (2
～5) proportioning；Every 1000g fertilizer slug particle proportioning 0.6～0.7g Sargassum extract, 0.019～0.02g low-molecular weight chitoglycan, 15
～2,500,000,000 bacillus subtilises, 15～3,000,000,000 bacillus amyloliquefaciens, 10～2,000,000,000 bacillusmusilaginosiengineerings.
The most according to claim 8 for the preparation method of purple soil flue-cured tobacco root system conditioning products, it is characterised in that:
Described binding agent is at least one in modified starch, hydroxyethyl cellulose, cellulose, xanthan gum and carrageenan；
In described fertile core, the weight/mass percentage composition of described binding agent is 0.02～0.03%；
In described organic nutrient substance layer, the weight/mass percentage composition of the binding agent stated is preferably 1.5～2%；
A diameter of the 3.3 of described finished product～5.5mm, individual particle is heavily 0.15～0.22g；Fertile core therein a diameter of 3～
5mm。
10. for the using method of purple soil flue-cured tobacco root system conditioning products described in any one of claim 1～7, it is characterised in that
Comprise the steps:
A, after tobacco seedlings is transplanted to purple soil, will be used for described in any one of claim 1～7 purple soil flue-cured tobacco root system conditioning produce
Product impose on the root of tobacco seedlings, and every strain uses 20；
B, when highland barley phase, the root system conditioning products by the present invention imposes on the root of tobacco seedlings again, and every strain uses 30.
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