CN105801209A - Method for preparing special humic acid-urea coated rhizobium fertilizer for soybeans - Google Patents
Method for preparing special humic acid-urea coated rhizobium fertilizer for soybeans Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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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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- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
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Abstract
The invention discloses a method for preparing a special humic acid-urea coated rhizobium fertilizer for soybeans, belonging to the technical field of special fertilizers for crops. The method is characterized by preparing the rhizobium fertilizer by using a humic acid-urea coated rhizobium inoculant compound, 5% of humic acid coated urea, triple superphosphate, potassium sulfate and calcium magnesium phosphate as raw materials. Compared with the prior art, the prepared rhizobium fertilizer has the advantages that the yields and quality of soybeans can be increased, the production cost can be reduced, and the ecological environment can be protected.
Description
The application is the divisional application that applicant Anhui Laimujia Fertilizer Industry Co., Ltd. proposes " invention entitled: a kind of special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer and preparation method thereof; filing date on August 19th, 2014, Application No.: 2014104076480 ".
Technical field
The invention belongs to Special Fertilizers for Various Crops technical field, be specifically related to a kind of method preparing the special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer.
Background technology
Crop nitrogenous fertilizer derives from chemical nitrogen fertilizer and biological nitrogen fixation, chemical nitrogen fertilizer is that crop yield is made that tremendous contribution, but chemical nitrogen fertilizer production cost is high, utilization rate is low, and constantly destroy soil fertility and environmental ecology, it has also become one of obstacle of agricultural sustainable development.Biological nitrogen fixation is entirely that biological and microorganism is spontaneous to be carried out, and need not provide any energy and equipment, thus which reduce the consumption of the energy, and non-pollutant discharge is conducive to preserving the ecological environment.Simultaneously as reduce and eliminate the input of chemistry nitrogen, make nitric acid and nitrous acid material in agricultural product be greatly lowered, improve the quality of agricultural product, reduce the carcinogen harm to the mankind.
Nitragin is the Main Bacteria fertilizer of plantation legume because containing a large amount of, the root nodule bacteria of live body inside it, people it be called fertilizer of living.Nitragin came out in Europe early than 1896.Rihizobium japonicum is a kind of and Semen sojae atricolor symbiosis biological bacteria, and it fixes the nitrogen supply Semen sojae atricolor dissociated in air, to meet the Semen sojae atricolor demand to nitrogen, is soybean yield-increasing, joint fertilizer, the good measure of minimizing pollution, is paid attention to by research worker all over the world.Rihizobium japonicum is the microorganism formulation of a kind of work, the root nodule bacteria in root nodule and leguminous plant Mutualism: the Organic substance that leguminous plant is manufactured by photosynthesis, part supply root nodule bacteria；The ammonia that root nodule bacteria are manufactured by biological nitrogen fixation, then supply leguminous plant.The root nodule bacteria being formed as in soil of soybean nodulation invade caused by root tissue, and root nodule bacteria invade from root hair, are present in the parenchyma cell of root bark layer.Root nodule bacteria are rapid schizogamy, the stimulation that cortical cell invades because of root nodule bacteria simultaneously in cortical cell, carries out cell division, and cortical cell number increases, enlarged volume, and forming wart like structure is exactly root nodule.
Research shows, without the existence of root nodule bacteria, to execute 115 kilograms of carbamide for every mu and could meet the nitrogenous fertilizer demand of 180 kilograms of Semen sojae atricolor of per mu yield.Owing to Semen sojae atricolor is to meet needs by the symbiotic nitrogen fixation of contained nitrogen and root nodule bacteria in absorption soil, fertilizer, so when using chemical nitrogen fertilizer it is noted that handle both relations well, if fertilizer nitrogen amount of application is too much, root nodule number reduces, fixed nitrogen rate reduces, and can increase Soybean production cost.Phosphorus has the effect promoting that soybean nodulation is grown, and can reach the effect of " with phosphorus nitrogen pick-up ", and at the Soybean Growth Characters initial stage, the function of phosphorus is chiefly to facilitate root growth, and before flowering, phosphorus can promote the growth of the trophosomes such as stem and leaf branch.Potassium can promote Soybean Seedlings Growth, makes stem stalk strong resistant to lodging.In addition, the effect of trace element zinc, ferrum, boron, magnesium, molybdenum etc. is the most very important, and appropriate trace element can promote that soybean plant strain grows, and increases soybean yields, improves the quality of Semen sojae atricolor.It was found that often produce double centner Semen sojae atricolor about absorbed nitrogen 7-9.5 kilogram, 1.3-2.0 kilogram of phosphorus, 2.0-3.7 kilogram of potassium, also 1 kilogram of magnesium, sulfur 0.67 kilogram, molybdenum 0.308 gram and a number of trace element.
At present, Development of Green Food has become the newest agricultural economy growth point, and Development of Green Food needs nuisanceless fertilizer and coordinates.Root nodule bacteria fertilizer can reduce legume nitrogen fertilizer amount, and the root nodule bacteria fertilizer produced in the market has three kinds:
(1) solid root nodule bacteria fertilizer: adsorbent mostly is the peat composed of rotten mosses, for pitchy or brown powder shape solid, moistening loose, water content 20-35%, typically every gram microbial inoculum is less than 15% containing viable count 1-2 hundred million, miscellaneous bacteria number, pH6.0-7.5；
(2) liquid root nodule bacteria fertilizer: being as good as stink, every milliliter contains viable bacteria 5-10 hundred million, and miscellaneous bacteria number is less than 5%, pH5.5-7.0；
(3) freeze-dried vaccine dosage form: be not added with adsorbent, for white powder, bacteria containing amount is higher tens times than peat composed of rotten mosses agent, but application is little on producing.
There is following defect in above-mentioned root nodule bacteria fertilizer:
(1) lacking high-efficiency root-nodule bacteria strain, microorganism resource lacks, and the strain of a lot of producers is all utilizing same bacterial strain, and fertilizer variety is single；On the other hand, using that bacterial strain is improper also brings along potential safety hazard, the strain that produces of some producers does not just put into production through regular qualification, is also a kind of ill-considered behavior；
(2) producing equipment outmoded, many factories are formed by transformations such as defunct small-sized enzyme preparation factory, Gourmet Powder Factory, Citric Acid Plant, and its equipment inherently efficiency is low, energy consumption is high, produces reluctantly, does not has long-range development plan；
(3) technical matters falls behind, as long as some a manufacturer deems that microorganism manure strain, has had corresponding culture medium just can produce microbial manure, has lacked the monitoring in production process and detection means, the mode of production of the even still small workshop mode having.
Summary of the invention
For the deficiencies in the prior art; in conjunction with soil fertility level and the selection-breeding of high efficient strain; develop according to Semen sojae atricolor regulation of fertilizer requirement and a kind of special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer of application, be can to improve soybean yields and quality, reduction production cost, preserve the ecological environment, develop green organic agricultural and an Important Action of the ecological agriculture.
The technical scheme of the special humic acids of Semen sojae atricolor of the present invention-urea coated rhizobia fertilizer is as follows:
Raw material components is as follows, is weight portion:
Humic acids-urea coated nitragin compositions 50-350 part, 5% humic acid membrane wrapping carbamide 200-500 part, double superhosphate 200-500 part, potassium sulfate 100-400 part, calcium magnesium phosphate 20-200 part.
The preparation method of described humic acids-urea coated nitragin compositions is to use liquid ventilation fermentation method to carry out liquid fermentation according to prior art, prepare soybean nodulation fermented liquid, adsorb described fermentation liquid with the turfy soil after sterilizing again and obtain nitragin, it is subsequently adding ferrous sulfate and ammonium molybdate, low temperature pelletize is carried out after mix homogeneously, finally it is sprayed on particle surface with fusing urea, forms urea coated layer, obtain urea coated nitragin compositions.
Described 5% humic acid membrane wrapping carbamide is fertile with granular urea for nuclear core, sprays a layer binder outside nuclear core fertilizer, then sprays the humic acids of one layer of pretreatment, repeats said process, reach the 1% of binding agent station nuclear core quality after solidification, and humic acids accounts for the 5% of nuclear core fertilizer quality.Total nitrogen content 36% in humic acid membrane wrapping, total humic acid content 10%, for mass percent.
In described double superhosphate, phosphorus pentoxide content is respectively 40%, for mass percent；
In described potassium sulfate, potassium oxide content is 50%, for mass percent；
In described calcium magnesium phosphate, the content of phosphorus pentoxide is 18%, and the content of calcium oxide is 45%, and the content of magnesium oxide is 12%, and the content of silicon oxide is 20%, is mass percent；
The special humic acids of Semen sojae atricolor of the present invention-urea coated rhizobia fertilizer, preferred feedstock component is as follows, is weight portion:
Humic acids-urea coated nitragin compositions 100-150 part, 5% humic acid membrane wrapping carbamide 250-350 part, double superhosphate 250-350 part, potassium sulfate 150-250 part, calcium magnesium phosphate 50-100 part.
The special humic acids of Semen sojae atricolor of the present invention-urea coated rhizobia fertilizer, most preferably raw material components is as follows, is weight portion:
Humic acids-urea coated nitragin compositions 100 parts, 280 parts of 5% humic acid membrane wrapping carbamide, double superhosphate 320 parts, potassium sulfate 200 parts, 100 parts of calcium magnesium phosphate.
The present invention prepares the method for the special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer, comprises the technical steps that:
The preparation method of the most described humic acids-urea coated nitragin compositions:
Liquid ventilation fermentation method is used to carry out liquid fermentation according to prior art, prepare soybean nodulation fermented liquid, adsorb described fermentation liquid with the turfy soil after sterilizing again and obtain nitragin, it is subsequently adding EDTA chelated zinc, EDTA chelated iron and EDTA and chelates molybdenum, mix homogeneously, carry out low temperature pelletize, finally mix according to mass ratio 1:4 together with fusing urea with the humic acids of pretreatment, it is sprayed on particle surface, form humic acids-urea coated layer, obtain humic acids-urea coated nitragin compositions；
Wherein, humic acids preprocess method is the dilute sulfuric acid acidolysis using 30%-40%, then adds ammonium hydrogen carbonate mixing at twice, dissipates heap and react 24 hours after mixing, turning twice halfway；Measure stockpile temperature so that it is less than 55 DEG C；After 24 hours react, entering drying machine drying, controlling to dry head temperature is 120 DEG C (following current is dried, temperature of charge≤70 DEG C), then pulverizes standby；
Wherein, preparation root nodule bacteria strain used by root nodule bacteria fermentation liquid is prior art, all can be able to use with the strain of Semen sojae atricolor symbiotic nitrogen fixation, most preferably, and numbered 19606 root nodule bacteria of Chinese agriculture Microbiological Culture Collection administrative center ACCC (Rhizobium)；
Fermentation liquid is 1:3-4, preferably 1:3.5 with the mass ratio of turfy soil；
Described nitragin is respectively 1:0.03,1:0.03,1:0.02 with the mass ratio of EDTA chelated zinc, EDTA chelated iron and EDTA chelating molybdenum；
Described humic acids-urea coated layer accounts for the 5-10wt% of humic acids-urea coated nitragin composition quality；
2. the preparation method of 5% humic acid membrane wrapping carbamide:
Fertile with granular urea for nuclear core, outside nuclear core fertilizer, spray a layer binder, then spray the humic acids of one layer of pretreatment, repeat said process after solidification, reach the 1% of binding agent station nuclear core quality, humic acids accounts for the 5% of nuclear core fertilizer quality；
Wherein, the preferred granular urea of granular urea, particle diameter 2-3 millimeter；
Wherein, binding agent is that epoxy resin is mixed by the mass ratio of 1:0.1 with triethylene tetramine；
3. by humic acids-urea coated nitragin compositions, 5% humic acid membrane wrapping carbamide, double superhosphate, potassium sulfate, calcium magnesium phosphate by regulation stoichiometry, put into blender and carry out mix and blend 6-8 minute, fully mix, then measure, pack and get product.
The special humic acids of Semen sojae atricolor of the present invention-urea coated rhizobia fertilizer is the humic-acid kind bio-feritlizer according to the preparation of Semen sojae atricolor regulation of fertilizer requirement science, by by humic acids-urea coated nitragin compositions, 5% humic acid membrane wrapping carbamide, double superhosphate, potassium sulfate, calcium magnesium phosphate is prepared by proportioning, wherein possibly together with the necessary trace element zinc of Semen sojae atricolor growth in humic acids-urea coated nitragin compositions, ferrum and molybdenum, soybean quality can be promoted, simultaneously, containing humic acids in product, it is possible not only to extend the effect duration of nitrogen nutrient, reach " fixed nitrogen, phosphorus decomposing, promote potassium " effect, and can also activating soil Meso-and micro-nutrients, it it is the new-type fertilizer that can improve environmental condition, have balanced in nutrition, strong stress resistance, improvement soil, the advantages such as improving quality.
The application of the special humic acids of the Semen sojae atricolor-urea coated rhizobia fertilizer of the present invention, utilize seeding and fertilizing all-in-one disposably to use as base manure when soybean planting, fertilizer amount is converted into N P and K total amount, normal recommended fertilising consumption every mu 50-60 kilogram, according to local Fertilization Level and yield level, take the circumstances into consideration to increase and decrease consumption.
The present invention compared with prior art, has an advantage highlighted below:
1, product of the present invention is containing humic acids-urea coated, and humic acid urea is compared with common urea, and the fertilizer efficiency period of humic acid urea extends 30-35 days, and utilization rate of nitrogen fertilizer can improve 7.2 percentage points, can not only significantly increase production and can also save carbamide 15%-25%；Simultaneously because humic acids has the effect of " control nitrogen, phosphorus decomposing, rush potassium ", it is possible to give nitrogen fertilizer slow-releasing effect and stimulate the function of plant growth, it is possible to significantly improving utilization rate of fertilizer；
2, the root nodule bacteria in product of the present invention are wrapped up by humic acids-carbamide, decrease the environmental factors impact on root nodule strain, extend the activity of root nodule bacteria, improve the ability of root nodule bacteria fixed nitrogen, significantly improve utilization rate of fertilizer；
3, the trace element zinc required for nitragin, Nodule Growth and fixed nitrogen, ferrum are wrapped in humic acids-urea coated shell together with molybdenum by the present invention, and according to the regulation of fertilizer requirement reasonable disposition phosphate fertilizer of Semen sojae atricolor, potash fertilizer, formed and there is inoculation and the special humic acids of the Semen sojae atricolor-urea coated rhizobia fertilizer of fertilising dual-use function, it is possible to improve Soil structure, increase fertilizer efficiency, stimulating growth, raising Semen sojae atricolor resistance and improve soybean quality；
4, product of the present invention belongs to humic-acid kind bio-feritlizer, can degrade the pesticide residues in soil, Adsorption of Heavy Metals, eliminate or reduce soil pollution, to soil without any pollution, environmental protection is pollution-free, it is that one is lower than Traditional Agricultural fertilizer cost, fertilizer efficiency is good, it is high to increase production, residual is few, quality is excellent, soil degradation, improvement Soil structure, multiple functional new bio-fertilizer can be suppressed again simultaneously.
Detailed description of the invention
Embodiment
1
:
The special humic acids of Semen sojae atricolor of the present invention-urea coated rhizobia fertilizer, raw material components is as follows, is weight portion:
Humic acids-urea coated nitragin compositions 100 parts, 280 parts of humic acid membrane wrapping carbamide, double superhosphate 320 parts, potassium sulfate 200 parts, 100 parts of calcium magnesium phosphate.
The prepared special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer, N P and K (N-P2O5-K2O) content is respectively 10%, 15%, 10%, and total nutrient 35% is mass percent.
Step of preparation process:
The preparation method of the most described humic acids-urea coated nitragin compositions:
Liquid ventilation fermentation method is used to carry out liquid fermentation according to prior art, prepare soybean nodulation fermented liquid, adsorb described fermentation liquid with the turfy soil after sterilizing again and obtain nitragin, it is subsequently adding EDTA chelated zinc, EDTA chelated iron and EDTA and chelates molybdenum, mix homogeneously, carry out low temperature pelletize, finally mix according to mass ratio 1:4 together with fusing urea with the humic acids of pretreatment, it is sprayed on particle surface, forms humic acids-urea coated layer, obtain humic acids-urea coated nitragin compositions；
Wherein, humic acids preprocess method is the dilute sulfuric acid acidolysis using 30%-40%, then adds ammonium hydrogen carbonate mixing at twice, dissipates heap and react 24 hours after mixing, turning twice halfway；Measure stockpile temperature so that it is less than 55 DEG C；After 24 hours react, entering drying machine drying, controlling to dry head temperature is 120 DEG C (following current is dried, temperature of charge≤70 DEG C), then pulverizes standby；
Wherein, preparation root nodule bacteria strain used by root nodule bacteria fermentation liquid is prior art, all can be able to use with the strain of Semen sojae atricolor symbiotic nitrogen fixation, most preferably, and numbered 19606 root nodule bacteria of Chinese agriculture Microbiological Culture Collection administrative center ACCC (Rhizobium)；
Wherein, fermentation liquid is 1:3.5 with the mass ratio of turfy soil；
Wherein, nitragin is respectively 1:0.03,1:0.03,1:0.02 with the mass ratio of EDTA chelated zinc, EDTA chelated iron and EDTA chelating molybdenum；
Wherein, humic acids-urea coated layer accounts for the 10wt% of humic acids-urea coated nitragin composition quality；
2. the preparation method of 5% humic acid membrane wrapping carbamide:
Fertile with granular urea for nuclear core, outside nuclear core fertilizer, spray a layer binder, then spray the humic acids of one layer of pretreatment, repeat said process after solidification, reach the 1% of binding agent station nuclear core quality, humic acids accounts for the 5% of nuclear core fertilizer quality；
Wherein, the preferred granular urea of granular urea, particle diameter 2-3 millimeter；
Wherein, binding agent is that epoxy resin is mixed by the mass ratio of 1:0.1 with triethylene tetramine；
3. by 100 parts of humic acidss-urea coated nitragin compositions, 280 part of 5% humic acid membrane wrapping carbamide, 320 parts of double superhosphate, 200 parts of potassium sulfate, 100 parts of calcium magnesium phosphate by regulation stoichiometry, put into blender and carry out mix and blend 6-8 minute, fully mix, then measure, pack and get product.
Embodiment
2
The special humic acids of Semen sojae atricolor of the present invention-urea coated rhizobia fertilizer, raw material components is as follows, is weight portion:
Humic acids-urea coated nitragin compositions 120 parts, 330 parts of 5% humic acid membrane wrapping carbamide, double superhosphate 280 parts, potassium sulfate 220 parts, 50 parts of calcium magnesium phosphate.
Preparation technology is with embodiment 1.
The prepared special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer, N P and K (N-P2O5-K2O) content is respectively 12%, 12%, 11%, and total nutrient 35% is mass percent.
Comparative example
1
:
Common compound potassium sulfate fertilizer, total nutrient 35%, N-P-K content is respectively 10%, 15%, 10%, Stanley Fertilizer Co., Ltd produces.
Comparative example
2
:
Common compound potassium sulfate fertilizer, total nutrient 35%, N-P-K content is respectively 12%, 12%, 11%, Stanley Fertilizer Co., Ltd produces.
Above example 1, embodiment 2 and comparative example 1, comparative example 2 application effect as follows:
Test material
Test site: Weifang, Shandong Shouguang City, medium fertility.
Experimental cultivar: neat yellow 34.
Test uses randomized block design, and each test sets 5 process, with the special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer of using the present invention for processing 2, and common fertile for processing 1 with equal nutrient, wherein every 667m2Fertilising 50kg, not apply fertilizer as comparison, other same field managements.Concrete processing mode is as follows:
Contrast implementation result is specifically shown in Table 1.
Table
1
The different fertilization impact effect table to Main Agronomic Characters In Soybean Yu yield
Experiment shows, the soybean plant strain growing way of all fertilizer treatment is all better than the blank that do not applies fertilizer, and the growing way of process 2 is better than processing 1, and wherein the plant growing way of the embodiment 1 in process 2 is optimum.As it can be seen from table 1 the Semen sojae atricolor 100-grain weight of all fertilizer treatment, per mu yield are all higher than comparison (CK) of not applying fertilizer, wherein the 100-grain weight of embodiment 1 is the highest, for 29.5g, increases 4.9g than blank, and its yield is 269.5kg/ mu, increases production 17.1% than blank；The yield of embodiment 2 is taken second place, and is 268.9 kg/ mus, increases production 16.9% than blank；
Comparing with nutrient condition, use product of the present invention and averagely increase production 11.6% than Common compound fertilizer, obvious effect of increasing production, the special humic acids of embodiment 1 Semen sojae atricolor-urea coated rhizobia fertilizer (10-15-10, total nutrient content 35%) effect of increasing production is optimum.
Therefore, product of the present invention is the trace element zinc required for nitragin, Nodule Growth and fixed nitrogen, ferrum to be wrapped in together with molybdenum in humic acids-urea coated shell, and according to the regulation of fertilizer requirement reasonable disposition phosphate fertilizer of Semen sojae atricolor, potash fertilizer, formed and there is inoculation and the special humic acids of the Semen sojae atricolor-urea coated rhizobia fertilizer of fertilising dual-use function, Soil structure can be improved, increase fertilizer efficiency, stimulating growth, raising Semen sojae atricolor resistance and improve soybean quality, there is economic, social, environmental benefit significantly, be worthy to be popularized.
Claims (1)
1. the method preparing the special humic acids of Semen sojae atricolor-urea coated rhizobia fertilizer, it is characterised in that comprise the technical steps that:
(1) raw material components is as follows by weight: humic acids-urea coated nitragin compositions 100 parts, 280 parts of 5% humic acid membrane wrapping carbamide, double superhosphate 320 parts, potassium sulfate 200 parts, 100 parts of calcium magnesium phosphate；
(2) preparation method of described humic acids-urea coated nitragin compositions:
Liquid ventilation fermentation method is used to carry out liquid fermentation according to prior art, prepare soybean nodulation fermented liquid, adsorb described fermentation liquid with the turfy soil after sterilizing again and obtain nitragin, wherein fermentation liquid is 1:3-4 with the mass ratio of turfy soil, it is subsequently adding EDTA chelated zinc, EDTA chelated iron and EDTA and chelates molybdenum, mix homogeneously, carry out low temperature pelletize, finally mix according to mass ratio 1:4 together with fusing urea with the humic acids of pretreatment, it is sprayed on particle surface, form humic acids-urea coated layer, obtain humic acids-urea coated nitragin compositions；
Wherein, humic acids preprocess method is the dilute sulfuric acid acidolysis using 30%-40%, then adds ammonium hydrogen carbonate mixing at twice, dissipates heap and react 24 hours after mixing, turning twice halfway；Measure stockpile temperature so that it is less than 55 DEG C；After 24 hours react, entering drying machine drying, controlling to dry head temperature is 120 DEG C, and following current is dried, and then temperature of charge≤70 DEG C pulverize standby；
Described humic acids-urea coated layer accounts for the 5-10wt% of humic acids-urea coated nitragin composition quality；
The preparation method of (3) 5% humic acid membrane wrapping carbamide:
Fertile with granular urea for nuclear core, a layer binder is sprayed outside nuclear core fertilizer, spray the humic acids of one layer of pretreatment again, said process is repeated after solidification, reaching binding agent and account for the 1% of nuclear core quality, humic acids accounts for the 5% of nuclear core fertilizer quality, total nitrogen content 36% in humic acid membrane wrapping, total humic acid content 10%, for mass percent；
(4) by humic acids-urea coated nitragin compositions, 5% humic acid membrane wrapping carbamide, double superhosphate, potassium sulfate, calcium magnesium phosphate by regulation stoichiometry, put into blender and carry out mix and blend 6-8 minute, fully mix, then measure, pack and get product.
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| CN201610123218.5A CN105801209A (en) | 2014-08-19 | 2014-08-19 | Method for preparing special humic acid-urea coated rhizobium fertilizer for soybeans |
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| CN201610123218.5A CN105801209A (en) | 2014-08-19 | 2014-08-19 | Method for preparing special humic acid-urea coated rhizobium fertilizer for soybeans |
| CN201410407648.0A CN104130077B (en) | 2014-08-19 | 2014-08-19 | A kind of soybean special humic acids-urea coated rhizobia fertilizer and preparation method thereof |
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| CN201610123203.9A Pending CN105820005A (en) | 2014-08-19 | 2014-08-19 | Method for preparing humic acid-urea coated rhizobium fertilizer specially used for soybeans |
| CN201610123217.0A Withdrawn CN105801318A (en) | 2014-08-19 | 2014-08-19 | Method for preparing special humic acid-urea coated rhizobium fertilizer for soybeans |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108947690A (en) * | 2018-08-30 | 2018-12-07 | 华强化工集团股份有限公司 | Humic acid urea coating nitragin and its dedicated fertilizer production method and production equipment |
| CN111960883A (en) * | 2020-07-28 | 2020-11-20 | 沧州市农林科学院 | Special bacterial fertilizer for soybean varieties and preparation method thereof |
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| CN105801225B (en) * | 2016-03-01 | 2019-10-22 | 济南爱思医药科技有限公司 | It is exclusively used in the agricultural composite fertilizer containing Chinese medicine dreg of soybean |
| CN105850466A (en) * | 2016-04-28 | 2016-08-17 | 平顶山市绿禾农业科技开发有限公司 | Soybean planting method capable of increasing yield through plant hormone |
| CN106489344A (en) * | 2016-10-20 | 2017-03-15 | 黑龙江省科学院大庆分院 | A kind of method that rhizobium melioti improves soil quality |
| CN106748400A (en) * | 2016-11-19 | 2017-05-31 | 蚌埠市涂山村富民石榴专业合作社 | A kind of fertilizing method of soybean |
| CN108101712A (en) * | 2018-02-06 | 2018-06-01 | 安徽辉隆集团五禾生态肥业有限公司 | Dedicated fertilizer for soybean and preparation method containing rhizobium |
| CN111732477A (en) * | 2020-06-30 | 2020-10-02 | 中化农业（临沂）研发中心有限公司 | Soil conditioner and preparation method and application thereof |
| CN112759492A (en) * | 2021-03-23 | 2021-05-07 | 山东联盟磷复肥有限公司 | Granular compound fertilizer and preparation method thereof |
| CN113666782A (en) * | 2021-08-03 | 2021-11-19 | 青岛苏贝尔作物营养有限公司 | Urea-coated humic acid composite granular fertilizer and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060632B (en) * | 2010-11-19 | 2012-12-26 | 孟献堡 | Method for preparing multielement organic fertilizer by spontaneous fermentation of active humic acid |
| CN102503735B (en) * | 2011-11-02 | 2013-05-08 | 山东金正大生态工程股份有限公司 | Special rhizobium-containing controlled release fertilizer for soybean as well as preparation and application thereof |
| CN102503736B (en) * | 2011-11-09 | 2013-03-13 | 山东金正大生态工程股份有限公司 | Nitragin controlled release fertilizer special for alfalfa, and preparation and application of nitragin controlled release fertilizer |
| CN102515979B (en) * | 2011-12-01 | 2013-05-08 | 山东金正大生态工程股份有限公司 | Fertilizer containing rhizobium inoculant special for Chinese milk vetch and preparation and application thereof |
| CN103214319B (en) * | 2013-05-23 | 2015-02-18 | 史丹利化肥股份有限公司 | Long-term biological slow-release fertilizer special for peanut and preparation method thereof |
-
2014
- 2014-08-19 CN CN201610123218.5A patent/CN105801209A/en not_active Withdrawn
- 2014-08-19 CN CN201610123203.9A patent/CN105820005A/en active Pending
- 2014-08-19 CN CN201610123217.0A patent/CN105801318A/en not_active Withdrawn
- 2014-08-19 CN CN201410407648.0A patent/CN104130077B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947690A (en) * | 2018-08-30 | 2018-12-07 | 华强化工集团股份有限公司 | Humic acid urea coating nitragin and its dedicated fertilizer production method and production equipment |
| CN111960883A (en) * | 2020-07-28 | 2020-11-20 | 沧州市农林科学院 | Special bacterial fertilizer for soybean varieties and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104130077A (en) | 2014-11-05 |
| CN105801318A (en) | 2016-07-27 |
| CN105820005A (en) | 2016-08-03 |
| CN104130077B (en) | 2016-01-20 |
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