CN102503717B - Special organic and inorganic compound fertilizer for safflower, as well as preparation method and application thereof - Google Patents
Special organic and inorganic compound fertilizer for safflower, as well as preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to a special organic and inorganic compound fertilizer for safflower, as well as a preparation method and an application thereof. The compound fertilizer comprises a vegetative growth fertilizer and a reproductive growth fertilizer, wherein the reproductive growth fertilizer comprises a flower fertilizer and a seed fertilizer, and the vegetative growth fertilizer comprises urea, monoammonium phosphate and potassium sulfate; the flower fertilizer comprises the urea, the monoammonium phosphate, the potassium sulfate, boric acid and weathered coal; and the seed fertilizer is a biological degradation product which is generated by utilizing oil residue of safflower oil under the action of two microbes, namely bacillus subtilis and yarrowia lipolytica. The invention further provides a preparation method and an application of the compound fertilizer. The fertilizer disclosed by the invention can meet the requirements of different safflower varieties at different growth stages of the safflower according to the absorption properties of nutrients during the different growth stages within a development cycle of the safflower, be applied once, eliminate the need of top application and increase the yield of the safflower.
Description
Technical field
The present invention relates to a kind of safflower organic and inorganic compound fertilizer and preparation and application, belong to fertiliser production and applied technical field.
Background technology
In China, safflower (Carthamus tinctorius L.) is as a kind of medicinal plant history of existing more than 2000 year.In recent years, along with a large amount of minimizings of wild safflower, the safflower artificial culture is more and more.The sixties in 20th century, the oil of safflower is exploited gradually with being worth, and the economic benefit of safflower also improves day by day.At present, China's safflower Annual planting area is about 3～50,000 hectares.CN101803517A (CN201010133875.0) provides a kind of safflower cultivation technique, and the present invention quotes this document technology as a setting.
Be divided into obvious two stages in the full breeding cycle of safflower, i.e. vegetative growth phase and generative growth phase.So-called vegetative growth phase is to be grown to main period with root, stem, leaf, and generative growth phase is grown to the master with flower and seed.The quantity of nutrient matter that each stage needs, kind and the ratio between them are different, and therefore the growth phase rational applications of fertilizer different from safflower are the important measures that obtain high yield.Generative growth phase at safflower, be divided into again the growth of colored growth and seed, and different safflower varieties or different plantation purposes can be spent for main results product (such as medicinal) with take seed as main products (oil safflower), its nutrient demand rule also is not quite similar, and also difference should be arranged aspect fertilising.
At present, because the research of relevant safflower fertilising aspect is relatively less, peasant's Fertilization Level is not high, and the phenomenon of blindly applying fertilizer in production is serious.With the rational application of fertilizer knowledge fusion of safflower to the preparation of special fertilizer be the importance that improves at present the safflower Fertilization Level in producing.Have no relevant report.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of safflower organic and inorganic compound fertilizer and preparation method thereof.The present invention also provides the application method of this fertilizer.
Summary of the invention
The present invention is according to the absorption characteristic of different growth phases to nutrient in the safflower breeding cycle, with fertilizer be designed to nourish and grow fertilizer and reproductive growth fertilizer two portions, reproductive growth fertilizer and comprising for fertilizers for potted flowers with for the fertile two portions of seed, each several part cooperatively interacts after preparing respectively again, make fertilizer can satisfy the requirement of the different growth phases of Different Red flower variety and safflower, and accomplish disposable employed, needn't topdress.Reaching increases safflower output, the purpose of increasing economic efficiency.
Detailed Description Of The Invention
A kind of safflower organic and inorganic compound fertilizer is comprised of nourish and grow fertilizer and reproductive growth fertilizer, and wherein reproductive growth fertilizer is by forming for fertilizers for potted flowers with for the fertile two portions of seed, in mass parts, nourish and grow fertile 200～500 parts, for 250～500 parts of fertilizers for potted flowers, for 200～400 parts of seed fertilizer; Wherein,
The described fertile mass parts of nourishing and growing consists of 120～200 parts, urea, 100～250 parts of monoammonium phosphates, 20～50 parts of vitriolate of tartar;
The described fertilizers for potted flowers mass parts that supplies consists of 70～130 parts, urea, 15～40 parts of monoammonium phosphates, 50～65 parts of vitriolate of tartar, 1～5 part of boric acid, 130～250 parts of weathered coals;
Describedly prepare by the following method for seed fertilizer: subtilis CICC 10210 conciliates the inferior sieve yeast of fat CICC1444 bacterial classifications, prepares respectively fermentation of bacillus subtilis liquid, separates the inferior sieve yeast fermentation broth of fat by prior art; By mass parts, get 40～50 parts of fermentation of bacillus subtilis liquid, separate 30～40 parts of the inferior sieve yeast fermentation broths of fat and add in 300～400 parts of safflower oil dregs of fat, regulate moisture content 45～55wt%, pH 6.5～7.0, fully mixing, control 35 ℃～40 ℃ of material temperatures, placed 6～8 hours; Pass into steam, timing when temperature rises to 100 ℃ kept 25～35 minutes; Get dregs of fat degradation product, dregs of fat degradation product is carried out granulation and get final product.
Urea, monoammonium phosphate, vitriolate of tartar, boric acid that the present invention is used, the commercially available prod.The preferred powder powder.Described weathered coal is that to stand for a long time the comprehensive actions such as atmosphere, sunlight, sleet, underground water and mineral substance erosion be the product of weathering to brown coal, bituminous coal and the hard coal of earth's surface or shallow-layer, the nutritive element that contains abundant humic acids and various crop needs, organic content 〉=55% wherein, granularity≤80 mesh sieves, the commercially available prod.
Described is to utilize the safflower oil dregs of fat to conciliate the biological degradation thing that generates under two kinds of microbial processs of the inferior sieve yeast of fat subtilis for seed fertilizer.The described safflower oil dregs of fat are remaining residues when filtering out grease after Semen Flos Carthami is squeezed.
According to the present invention, preferred, a kind of safflower organic and inorganic compound fertilizer, raw materials quality part is composed as follows: nourish and grow fertile 340～360 parts, for 340～360 parts of fertilizers for potted flowers, for 290～310 parts of seed fertilizer.
According to the present invention, preferred, it is 135～145 parts, urea, 115～125 parts of monoammonium phosphates, 35～45 parts of vitriolate of tartar that the fertile mass parts of nourishing and growing forms.
According to the present invention, preferred, forming for the fertilizers for potted flowers mass parts is 95～105 parts, urea, 18～22 parts of monoammonium phosphates, 50～55 parts of vitriolate of tartar, 1.5～2.5 parts of boric acid, 170～180 parts of weathered coals.
The preparation method of safflower organic and inorganic compound fertilizer of the present invention, step is as follows:
(1) the fertile preparation of nourishing and growing: get urea, monoammonium phosphate, vitriolate of tartar by proportioning and make by the prior art granulation after mixing, 2～4 millimeters of particle diameters.
(2) preparation of reproductive growth fertilizer:
A, for the preparation of fertilizers for potted flowers material: get urea, monoammonium phosphate, vitriolate of tartar, boric acid by proportioning and mix, add weathered coal and abundant mixing, spray moisture, make that in material, moisture content reaches 22～28wt%, placed 8～12 hours; Turning, then placed 8～12 hours.Press prior art with the compound granulation, 2～4 millimeters of particle diameters.And get final product.
B, the preparation that supplies seed fertilizer:
Conciliate the inferior sieve yeast of fat CICC 1444 bacterial classifications with subtilis CICC 10210, prepare respectively fermentation of bacillus subtilis liquid, separate the inferior sieve yeast fermentation broth of fat by prior art; Get 40～50 parts of fermentation of bacillus subtilis liquid, separate 30～40 parts of the inferior sieve yeast fermentation broths of fat and add in 300～400 parts of safflower oil dregs of fat, regulate moisture content 45～55wt%, pH 6.5～7.0, fully mixing, control 35 ℃～40 ℃ of material temperatures, placed 6～8 hours.Pass into steam, timing when temperature rises to 100 ℃ kept 25～35 minutes.Get dregs of fat degradation product, dregs of fat degradation product is pressed prior art granulation, 2～4 millimeters of particle diameters.And get final product.
C, get for fertilizers for potted flowers and fertile for seed by proportioning, fully be mixed to get reproductive growth fertilizer.
(3) by proportioning, that the fertile reproductive growth with step (2) preparation of nourishing and growing of above-mentioned steps (1) preparation is fertile, put into stirrer and stir, and get final product.
The application of safflower organic and inorganic compound fertilizer of the present invention, 200～400 kilograms of every mu of consumptions of this fertilizer.Fertilizing method is fertilizer evenly to be spread fertilizer over the fields to turn over behind ground before the safflower sowing in spring and bury.Applied once no longer topdresses.Other management is carried out according to a conventional method.
Excellent results of the present invention is as follows:
1. be conducive to the good growth of safflower different growing
Quantity of nutrient matter, kind and the ratio between them that the different growing stage of safflower needs are different.Safflower organic and inorganic compound fertilizer of the present invention carries out accurately preparing various nutritive elements according to the nutrient demand in each stage, has particularly utilized the advantage that safflower oil dregs of fat nutrient content is high, the suitable safflower seed of nutritive element proportioning is grown.Therefore fertilizer of the present invention can be grown for safflower provide more comprehensively, sufficient, rational nutrient supply.
2. organic-inorganic combination makes safflower stable high yield
The good growth of safflower not only needs abundance, rational nutrient supply, also needs the coordination ability of the soil water, gas, heat.Special fertilizer of the present invention not only contains the required various nutritive elements of safflower, also have abundant humic acids and high-quality organism, be manured into soil and promote the formation of soil aggregate, strengthen the ability of soil water-retaining, fertilizer conservation and conciliation water, gas, heat, increase soil fertility, be conducive to safflower high yield, stable yields.
3. applied once, needn't topdress
Safflower organic and inorganic compound fertilizer of the present invention comprised with weathered coal reaction after preparation for the slow release fertilizer of flower and the organic moiety that is prepared by the biological degradation of the safflower oil dregs of fat, they all can well supply the safflower later stage needed nutrition, and the later stage that guarantees to grow is not taken off fertilizer.Therefore fertilizer of the present invention can disposablely be used as base manure, needn't topdress, and saves labour cost, improves the economic benefit of safflower plantation.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited to this.Raw material consumption umber in embodiment is mass parts, and all per-cents are mass percent.
The safflower oil dregs of fat are that Shandong wide life limited-liability company produces; Weathered coal: Wuhai of Inner Mongolia covers commerce and trade company limited of Tang and sells, organic content 57.8%; Subtilis (Bacillus Subtilis) Chinese industrial microbial preservation administrative center (CICC) bacterial classification catalog number 10210, separate fat inferior sieve yeast (Yarrowia lipolytica) Chinese industrial microbial preservation administrative center (CICC) bacterial classification catalog number 1444, Chinese industrial microbial strains preservation administrative center buys.Urea, monoammonium phosphate, vitriolate of tartar, boric acid, the commercially available prod.
Embodiment 1: the safflower organic and inorganic compound fertilizer, and raw material is composed as follows:
Nourish and grow fertile 400 kilograms; For 380 kilograms, fertilizers for potted flowers material, for 220 kilograms, seed fertilizer.
The preparation method:
(1) the fertile preparation of nourishing and growing: get 200 kilograms, urea, 250 kilograms of monoammonium phosphates, 50 kilograms of vitriolate of tartar mix, by the prior art granulation, 2～4 millimeters of particle diameters.
(2) preparation of reproductive growth fertilizer:
A, the preparation that supplies the fertilizers for potted flowers material: get 80 kilograms, urea, 40 kilograms of monoammonium phosphates, 65 kilograms of vitriolate of tartar, 5 kilograms of boric acid mix, and get compound; Get again 190 kilograms of weathered coals and the abundant mixing of this compound, spray moisture, make that in material, moisture content reaches 23wt%, placed 9 hours; Turning, then placed 12 hours.By the prior art granulation, 2～4 millimeters of particle diameters.
B, the preparation that supplies seed fertilizer:
Preparation fermentation of bacillus subtilis liquid, the inferior sieve yeast fermentation broth of solution fat: remove skin potato 20 grams, adding water 100 grams boiled 20 minutes, filtered through gauze, filtrate 100 grams that keep the skin wet, then add glucose 1.5 grams, peptone 0.2 gram, being heated to all the components dissolves, sterilization is 30 minutes under 0.11 MPa pressure, is prepared into liquid nutrient medium, and the subtilis after activating respectively in the shaking flask of 28 ℃, 180 rev/mins conciliate the inferior sieve yeast culture of fat 2 days; Inoculum size take 2wt% changes respectively culture medium prescription in the fermentor tank of 20 kilograms of potatos, 0.8 kilogram of glucose, 3.0 kilograms of the dregs of fat, 100 kilograms, water again, cultivates 4 days for 28 ℃, obtains respectively fermentation of bacillus subtilis liquid, separates the inferior sieve yeast fermentation broth of fat.
Get 50 kilograms of fermentation of bacillus subtilis liquid, separate 30 kilograms of the inferior sieve yeast fermentation broths of fat and add in 300 kilograms of safflower oil dregs of fat, regulate moisture content 48%, pH 6.5, and fully mixing, control 35 ℃ of material temperatures, placed 8 hours.Pass into steam, timing when temperature rises to 100 ℃ kept 25 minutes.By the prior art granulation, 2～4 millimeters of particle diameters.Get dregs of fat degradation product.By prior art, dregs of fat degradation product is carried out granulation, particle diameter 2-4 millimeter.Must supply seed fertilizer.
C, get for 380 kilograms, fertilizers for potted flowers material with for 220 kilograms, seed fertilizer by formula, fully mix.Get 600 kilograms, reproductive growth fertilizer.
(3) getting fertile 600 kilograms of nourish and grow fertile 400 kilograms, the reproductive growth of step (2) preparation of above-mentioned steps (1) preparation puts into together stirrer and stirs and get final product.
The present embodiment fertilizer is fit to gather in the crops flower as main safflower variety.
Embodiment 2: the safflower organic and inorganic compound fertilizer, and raw material is composed as follows:
Nourish and grow fertile 300 kilograms; For 300 kilograms, fertilizers for potted flowers material, for 400 kilograms, seed fertilizer.
Be 150 kilograms, urea described fertile composition of nourishing and growing, 130 kilograms of monoammonium phosphates, 20 kilograms of vitriolate of tartar.
Be 70 kilograms, urea described the composition for fertilizers for potted flowers, 27 kilograms of monoammonium phosphates, 50 kilograms of vitriolate of tartar, 3 kilograms of boric acid, 150 kilograms of weathered coals.Supply seed fertilizer with embodiment 1.
The preparation method is with embodiment 1.The present embodiment fertilizer is fit to the oil safflower variety.
Embodiment 3: the safflower organic and inorganic compound fertilizer, and raw material is composed as follows:
Nourish and grow fertile 350 kilograms; For 350 kilograms, fertilizers for potted flowers material, for 300 kilograms, seed fertilizer.
The preparation method:
(1) the fertile preparation of nourishing and growing: get 140 kilograms, urea, the monoammonium phosphate 120 kg, 40 kilograms of vitriolate of tartar mix, by the prior art granulation, 2～4 millimeters of particle diameters.
(2) preparation of reproductive growth fertilizer:
A, the preparation that supplies the fertilizers for potted flowers material: get 100 kilograms, urea, 20 kilograms of monoammonium phosphates, 53 kilograms of vitriolate of tartar, 2 kilograms of boric acid mix, and get compound; Get again 175 kilograms of weathered coals and the abundant mixing of this compound, spray moisture, make that in material, moisture content reaches 28wt%, placed 12 hours; Turning, then placed 8 hours.By the prior art granulation, 2～4 millimeters of particle diameters.
B, the preparation that supplies seed fertilizer:
The preparation of fermentation of bacillus subtilis liquid, the inferior sieve yeast fermentation broth of solution fat is with embodiment 1.
Get 40 kilograms of fermentation of bacillus subtilis liquid, separate 40 kilograms of the inferior sieve yeast fermentation broths of fat and add in 350 kilograms of safflower oil dregs of fat, regulate moisture content 52%, pH 7.0, and fully mixing, control 40 ℃ of material temperatures, placed 6 hours.Pass into steam, timing when temperature rises to 100 ℃ kept 35 minutes.By the prior art granulation, 2～4 millimeters of particle diameters.Get dregs of fat degradation product.By prior art, dregs of fat degradation product is carried out granulation, particle diameter 2-4 millimeter.Must supply seed fertilizer.
C, get for the fertilizers for potted flowers material with for seed fertilizer by formula, fully mix.Get reproductive growth fertilizer.
(3) getting fertile 650 kilograms of nourish and grow fertile 350 kilograms, the reproductive growth of step (2) preparation of above-mentioned steps (1) preparation puts into stirrer and stirs and get final product.
The present embodiment fertilizer is fit to flower, oily dual-purpose safflower variety.
Embodiment 4: the safflower organic and inorganic compound fertilizer, and raw material is composed as follows:
Nourish and grow fertile 250 kilograms; For 450 kilograms, fertilizers for potted flowers material, for 300 kilograms, seed fertilizer.
Be the urea 120 kg described fertile composition of nourishing and growing, 100 kilograms of monoammonium phosphates, 30 kilograms of vitriolate of tartar.
Be 121 kilograms, urea described the composition for fertilizers for potted flowers, 40 kilograms of monoammonium phosphates, 60 kilograms of vitriolate of tartar, 4 kilograms of boric acid, 225 kilograms of weathered coals.Supply seed fertilizer with embodiment 3.
The preparation method is with embodiment 3.
Comparative Examples: common composite organic-inorganic fertilizer, Shandong Guangda Fertilizer Technology Co., Ltd. produces, organic content 23%, nitrogen, phosphorus, potassium total nutrient 16%.
The effect of above embodiment 1～4 and Comparative Examples is as follows:
Test site: Xinjiang autonomous region Xinhe County.
Test period: year October in April, 2010 to 2010.
For trying safflower variety: No. 1, new safflower.
Embodiment 1-4 is identical with the Comparative Examples fertilizer amount, 300 kilograms every mu.Fertilizing method, embodiment and Comparative Examples fertilizer be all before safflower sowing in spring disposable fertilizer is evenly spread fertilizer over the fields to turn over behind ground bury.Other management is carried out according to a conventional method.Effect sees Table 1.
Table 1. is compared the application effect of embodiment 1-4 with Comparative Examples
| Fertilizer of the present invention | The colored stimulation ratio % of safflower | Semen Flos Carthami stimulation ratio % |
| Embodiment 1 | 8.2 | 7.3 |
| Embodiment 2 | 7.8 | 7.1 |
| Embodiment 3 | 9.3 | 8.4 |
| Embodiment 4 | 7.0 | 6.5 |
Claims (5)
1. a safflower organic and inorganic compound fertilizer, is characterized in that being comprised of nourish and grow fertilizer and reproductive growth fertilizer, and wherein reproductive growth fertilizer is by forming for fertilizers for potted flowers with for seed fertilizer, in mass parts, nourish and grow fertile 200～500 parts, for 250～500 parts of fertilizers for potted flowers, for 200～400 parts of seed fertilizer; Wherein, the described fertile mass parts of nourishing and growing consists of 120～200 parts, urea, 100～250 parts of monoammonium phosphates, 20～50 parts of vitriolate of tartar; The described fertilizers for potted flowers mass parts that supplies consists of 70～130 parts, urea, 15～40 parts of monoammonium phosphates, 50～65 parts of vitriolate of tartar, 1～5 part of boric acid, 130～250 parts of weathered coals;
Describedly prepare by the following method for seed fertilizer: subtilis (Bacillus Subtilis) CICC10210 conciliates inferior sieve yeast (Yarrowia lipolytica) the CICC1444 bacterial classification of fat, prepares respectively fermentation of bacillus subtilis liquid, separates the inferior sieve yeast fermentation broth of fat by prior art; By mass parts, get 40～50 parts of fermentation of bacillus subtilis liquid, separate 30～40 parts of the inferior sieve yeast fermentation broths of fat and add in 300～400 parts of safflower oil dregs of fat, regulate moisture content 45～55wt%, pH6.5～7.0, fully mixing, control 35 ° of C～40 ° C of material temperature, placed 6～8 hours; Pass into steam, timing when temperature rises to 100 ° of C kept 25～35 minutes, got dregs of fat degradation product, and dregs of fat degradation product is carried out granulation and get final product;
Preparation as follows:
(1) the fertile preparation of nourishing and growing: get urea, monoammonium phosphate, vitriolate of tartar by proportioning and make by the prior art granulation after mixing, 2～4 millimeters of particle diameters;
(2) preparation of reproductive growth fertilizer:
A, for the preparation of fertilizers for potted flowers material: get urea, monoammonium phosphate, vitriolate of tartar, boric acid by proportioning and mix, add weathered coal and abundant mixing, spray moisture, make that in material, moisture content reaches 22～28wt%, placed 8～12 hours; Turning, then placed 8～12 hours; Press prior art with the compound granulation, 2～4 millimeters of particle diameters; And get final product;
B, conciliate the inferior sieve yeast of fat CICC 1444 bacterial classifications for the preparation of seed fertilizer: subtilis CICC 10210, prepare respectively fermentation of bacillus subtilis liquid, separate the inferior sieve yeast fermentation broth of fat by prior art; Get 40～50 parts of fermentation of bacillus subtilis liquid, separate 30～40 parts of the inferior sieve yeast fermentation broths of fat and add in 300～400 parts of safflower oil dregs of fat, regulate moisture content 45～55wt%, pH6.5～7.0, fully mixing, control 35 ° of C～40 ° C of material temperature, placed 6～8 hours; Pass into steam, timing when temperature rises to 100 ° of C kept 25～35 minutes; By the prior art granulation, 2～4 millimeters of particle diameters; And get final product;
C, get for fertilizers for potted flowers and fertile for seed by proportioning, fully be mixed to get reproductive growth fertilizer;
(3) by proportioning, that the fertile reproductive growth with step (2) preparation of nourishing and growing of above-mentioned steps (1) preparation is fertile, put into stirrer and stir, and get final product.
2. safflower organic and inorganic compound fertilizer as claimed in claim 1, is characterized in that raw materials quality part is composed as follows: nourish and grow fertile 340～360 parts, for 340～360 parts of fertilizers for potted flowers, for 290～310 parts of seed fertilizer.
3. safflower organic and inorganic compound fertilizer as claimed in claim 1 or 2, it is 135～145 parts, urea, 115～125 parts of monoammonium phosphates, 35～45 parts of vitriolate of tartar that the fertile mass parts that it is characterized in that nourishing and growing forms.
4. safflower organic and inorganic compound fertilizer as claimed in claim 1 or 2, is characterized in that for fertilizers for potted flowers mass parts composition be 95～105 parts, urea, 18～22 parts of monoammonium phosphates, 50～55 parts of vitriolate of tartar, 1.5～2.5 parts of boric acid, 170～180 parts of weathered coals.
5. the application of the described safflower organic and inorganic compound fertilizer of claim 1 or 2,200～400 kilograms of every mu of consumptions of this fertilizer; Fertilizing method is fertilizer evenly to be spread fertilizer over the fields to turn over behind ground before the safflower sowing in spring and bury; Applied once no longer topdresses.
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| CN104591856A (en) * | 2013-11-04 | 2015-05-06 | 青岛锦涟鑫商贸有限公司 | Flower fertilizer used for gardening |
| CN107445720A (en) * | 2017-09-20 | 2017-12-08 | 阿米巴南京生物技术有限责任公司 | A kind of preparation method of flowers organic and inorganic compound fertilizer material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781149A (en) * | 2010-02-08 | 2010-07-21 | 张钧 | Bio-organic compound fertilizer |
| CN101863686A (en) * | 2010-06-08 | 2010-10-20 | 山东光大肥业科技有限公司 | Method for preparing biodegradable oil residue fertilizer |
| CN101891551A (en) * | 2010-07-26 | 2010-11-24 | 山东光大肥业科技有限公司 | Special fertilizer for Xinjiang Hami melon |
| CN101955390A (en) * | 2010-09-17 | 2011-01-26 | 山东光大肥业科技有限公司 | Special fertilizer for Zhanhua winter jujubes, preparation method and application thereof |
| CN102060590A (en) * | 2010-10-29 | 2011-05-18 | 山东光大肥业科技有限公司 | Special fertilizer for Laiyang pear as well as preparation and application thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781149A (en) * | 2010-02-08 | 2010-07-21 | 张钧 | Bio-organic compound fertilizer |
| CN101863686A (en) * | 2010-06-08 | 2010-10-20 | 山东光大肥业科技有限公司 | Method for preparing biodegradable oil residue fertilizer |
| CN101891551A (en) * | 2010-07-26 | 2010-11-24 | 山东光大肥业科技有限公司 | Special fertilizer for Xinjiang Hami melon |
| CN101955390A (en) * | 2010-09-17 | 2011-01-26 | 山东光大肥业科技有限公司 | Special fertilizer for Zhanhua winter jujubes, preparation method and application thereof |
| CN102060590A (en) * | 2010-10-29 | 2011-05-18 | 山东光大肥业科技有限公司 | Special fertilizer for Laiyang pear as well as preparation and application thereof |
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