CN104817407A - Paddy field pesticide-fertilizer granule containing silicon and zinc elements and chitosan and preparation method of same - Google Patents
Paddy field pesticide-fertilizer granule containing silicon and zinc elements and chitosan and preparation method of same Download PDFInfo
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Abstract
The invention discloses an pesticide-fertilizer granule. The pesticide-fertilizer granule consists of a trace element fertilizer, an active ingredient of pesticide, an addition agent and an excipient, wherein the trace element fertilizer consists of potassium metasilicate and zinc sulfate; the active ingredient of pesticide consists of thiamethoxam, hymexazol and chitosan. The pesticide-fertilizer granule comprises the following components in percentage by weight: 1-50% of the potassium metasilicate, 1-50% of the zinc sulfate, 0.01-10% of the thiamethoxam, 0.01-10% of the hymexazol, 0.5-5% of the addition agent, and the balance of the excipient. According to the pesticide-fertilizer granule disclosed by the invention, agricultural chemical and a fertilizer are respectively pelletized, so that the pesticide-fertilizer granule has the functions of the pesticide and the fertilizer, the quality stability of products is sufficiently ensured, the pesticide-fertilizer granule is mainly used for basal application of paddy fields, and after the pesticide-fertilizer granule is applied, the hazards of the diseases and the insects for crops can be reduced, the disease resistance and the cold resistance of rice can be improved, the number of seeds and the maturing rate are increased, the quality is substantially improved, and the yield is substantially increased.
Description
Technical field
The present invention relates to agricultural chemicals and fertilizer mixed technology field, relate to rice terrace fertilizer granules of a kind of siliceous, zinc element and chitosan and preparation method thereof specifically.
Background technology
Paddy rice is one of most important food crop in the whole world, and its cultivated area and ultimate production are only second to wheat.Due in the population of Asia 200,000,000 4/5 and Africa and nearly 1,000,000,000 populations in Latin America in 1/3 be all main food source with rice, so reinforcement Rice Production has very important effect to people's lives.
Paddy rice, in process of growth, must absorb various nutritive ingredient from environment, could meet the needs of growth.Outside de-carbon (C), hydrogen (H), oxygen (O) element, also need macroelement nitrogen (N), phosphorus (P
2o
5), potassium (K
2o), and moderate-element calcium (Ca), sulphur (S), magnesium (Mg), silicon (Si), and trace element manganese (Mn), boron (B), copper (Cu), iron (Fe), zinc (Zn), molybdenum (Mo), chlorine (Cl) etc.Usually these elements can absorb acquisition from air, water and soil, but due to the long-term planting of paddy rice, nutritive ingredient in soil runs off in a large number, the needs meeting farm crop normal growth are difficult to, with and what arrive is that disease and pest is day by day serious, output declines day by day, has a strong impact on the income of the peasant based on rice cultivation.When Rice Cropping by fertilising with the deficiency of supplementary Nutrient Elements in Soil, be improve the most effective means of output.
Though the nutritive element that the not all crop of silicon all needs, to cereal crop, particularly paddy rice has obvious production-increasing function.Paddy rice absorbs one of more crop of silicon, in general cauline leaf containing phenodiazine SiClx 10% ~ 20%, in paddy rice body, silicate content is about 10 times of nitrogen, 20 times of phosphorus.Although the content of silicon-dioxide accounts for 20% ~ 80% of soil weight in soil, the overwhelming majority can not be utilized by rice absorbing in crystal form, the rice field that especially sand soil, non-straw-returning and organic manure application rate are few, and in soil, silicon element often lacks; Quick-acting nitrogen and phosphorous fertilizer amount of application greatly also can cause silicon element relatively to lack.In the optimum fertilizer of paddy rice, people often pay attention to the cooperation of the macroelement fertilizers such as N P and K, have ignored using of siliceous fertilizer, and being applied in Rice Production of siliceous fertilizer will become more and more important.
Zinc is that crop normal growth grows one of indispensable trace element of institute, hybrid rice lacks comparatively sensitivity to the rich of ZINC IN SOIL element, when Zn content effective in the soil solution is lower than 10 mg/kg, or when the absorptive function of rice root to zinc element is bad, plant just shows nutritional deficiency symptom, setting percentage seriously reduces, and even total crop failure is lost and received.The development of compound manure makes the functional quality of China's rice terrace farm manure and quantity decline year by year, and straw-returning technology is difficult to enforcement in paddy field and puts in place, and to make in water paddy soil Zn content in negative growth situation year by year, rice terrace zinc supplementation is starved of.
Paddy rice is in planting process, and disease and pest is very large on its growth, yield and quality impact, and serious even causes total crop failure.The important sick worm that after rice seedling bed and rice transplanting, early growth period works the mischief is damping-off and planthopper.After the riskiest pesticide forbiddings such as acephatemets in 2006, planthopper harm increases the weight of year by year, causes grave danger to Rice Production.Diacloden has comparatively strong interior absorption, and water paddy soil is used has outstanding effect to control planthopper, and toxicity is low, to person poultry safety.Hymexazo has interior absorption equally, is the main farm chemical ingredients preventing and treating rice seedling blight at present.By Diacloden with hymexazo makes granular pesticide uses with base manure, disease and pest can be reduced and occur, reduce the number of times of spraying medication on the ground, alleviate workload, reduce the planting cost of paddy rice.
Chitosan is with the chitin be rich in marine organisms for main raw material, the oligosaccharide of the 5-12 polymerization degree that sophistication filters out.Chitosan belongs to plant resistance to environment stress inductor in pesticides application; as the plant resistance to environment stress reacting activation factor that a class is novel, the enhancing of plant self-protection ability can be promoted, strongly activate vegetable cell, coordinate plant growth state, promote absorption and the utilization of Plant To Nutrient material, improve crop yield.Therefore, chitosan has wide application and development prospect in crop growthing development and the prevention and control of plant diseases, pest control, and along with people increase increasingly to the demand of green food, the market of chitosan is by increasing.
At present, Diacloden, hymexazo in agricultural chemicals of the silicon in fertilizer and zinc element and oligochitosan are combined make Rice medicine fertilizer granule and application there is no people's report.
Summary of the invention
Technical problem to be solved by this invention, is just to provide a kind of for improving rice quality and output, and ensures it less by siliceous, the zinc element of sick worm harm and the rice terrace fertilizer granules of chitosan and preparation method thereof.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
The rice terrace fertilizer granules of a kind of siliceous, zinc element and chitosan, be made up of secondary and micro-element fertilizers, pesticide active ingredient, auxiliary agent and vehicle, described secondary and micro-element fertilizers is made up of potassium metasilicate and zinc sulfate, described pesticide active ingredient is made up of Diacloden, hymexazo and chitosan, and the weight percent content of each component of described fertilizer granules is:
Potassium metasilicate 1 ~ 50%;
Zinc sulfate 1 ~ 50%;
Diacloden 0.01 ~ 10%;
Hymexazo 0.01 ~ 10%;
Chitosan 0.01 ~ 10%;
Auxiliary agent 0.5 ~ 5%;
Vehicle complements to 100% of fertilizer granules gross weight.
Further, described secondary and micro-element fertilizers is made up of the nutritive element of following weight percent content:
Effective silicon, with SiO
2meter: 0.4 ~ 20%;
Zinc: 0.22 ~ 11%.
Further, described auxiliary agent is sodium lauryl sulphate, calcium lignin sulphonate, sodium lignosulfonate, naphthalenesulfonate formaldehyde condensation compound, sulfonated alkyl naphathalene formaldehyde condensation products or at least one pulled open in powder.
Further, described vehicle is at least one in starch, polyvinyl alcohol, carboxymethyl cellulose, clay, diatomite, carclazyte, kaolin, wilkinite or calcium carbonate.
A preparation method for the rice terrace fertilizer granules of siliceous, zinc element and chitosan, its improvements are: comprise the following steps:
(1) pesticide granules is prepared: according to weight part, get Diacloden 0.01 ~ 10 Fen, hymexazo 0.01 ~ 10 part, chitosan 0.01 ~ 10 part, auxiliary agent 0.5 ~ 5 part and vehicle 5 ~ 15 parts, pulverize, mix, the moistening rear remix that adds water is even, use Squeezinggranulator granulation, after drying, obtain the pesticide granules containing Diacloden, hymexazo and chitosan, for subsequent use;
(2) prepare secondary and micro-element fertilizers particle: according to weight part, get potassium metasilicate 1 ~ 50 part, 1 ~ 50 part, zinc sulfate and vehicle, the addition of vehicle makes the total weight parts of pesticide granules and secondary and micro-element fertilizers particle reach 100 parts; By got raw material pulverizing, mix, the moistening rear remix that adds water is even, uses Squeezinggranulator granulation, obtains secondary and micro-element fertilizers particle after drying, for subsequent use;
(3) in mixing equipment, the secondary and micro-element fertilizers particle of the pesticide granules of step (1) gained and step (2) gained is fully mixed, the fineness of testing product is 1mm ~ 5mm, moisture≤3%, each component content is qualified, expulsion rate≤5%, rear packaging, obtains the rice terrace fertilizer granules of siliceous, zinc element and chitosan.
Further, the potassium metasilicate described in step (2) is anhydrous partial silicon acid potassium, and zinc sulfate is agricultural Zinc Sulphate Heptahydrate conventional in compound fertilizer product;
Step (1) and the pulverizing described in step (2) are pulverized by raw material with micronizer mill, Universalpulverizer or Raymond machine; Described Squeezinggranulator is screw extruder pelletizer; Described adding water is moistening, and amount of water is pulverize raw material weight 5 ~ 10%; Described drying is fluidised bed drying or rotary drying; Described mixing refers to and to be mixed by raw material by Agravicmixer or double-spiral conical mixer, and mixing time is 10 ~ 30 minutes.
The invention has the beneficial effects as follows:
(1) the rice terrace fertilizer granules of siliceous, zinc element disclosed in this invention and chitosan, it is a kind of fertilizer granules being formed after insecticide ingredient Diacloden, Sha microbial inoculum Cheng Fen hymexazo, plant resistance to environment stress inductor composition chitosan and secondary and micro-element fertilizers combination of sciences, applied once can reach the multiple action of fertilising and disinsection prophylaxis, alleviate labour intensity and the work number of times of peasant, save time and manually, improve production efficiency.
(2) the main diseases and insect pests planthopper that to occur early stage paddy growth of the rice terrace fertilizer granules of siliceous, zinc element disclosed in this invention and chitosan and damping-off have good prevention effect, meanwhile, also have good preventive effect to the insect such as pachydiplosis oryzae, Lissorhoptrus oryzophilus Kuschel.
(3) the rice terrace fertilizer granules formulation environmental protection of siliceous, zinc element disclosed in this invention and chitosan, uses conveniently, safety, low toxicity, low risk.
(4) the present invention selects Diacloden, hymexazo and chitosan are as the farm chemical ingredients in fertilizer granules, Diacloden is a kind of s-generation nicotinoids high-efficient low toxicity insecticide with brand new, its mechanism of action combines the nicotinic acetylcholine esterase acceptor being positioned at insect neural system postsynaptic membrane, interference pest movements neural system stimulates conduction normally, to insect, there is stomach toxicity, tag and systemic activity, can be inhaled in plant rapidly and be transmitted to each position of plant after dispenser, have efficient, wide spectrum, consumption is few, toxicity is low, the drug effect lasting period is long, to crop without poisoning, use safety and with the advantage of conventional pesticide without cross resistance.Absorption efficient germicide, soil disinfectant in hymexazo belongs to, and be a plant growth regulators, drug action is unique, effectively can suppress the mycelial normal growth of pathogenic fungi or directly kill germ, again can Promoting plant growth, and have and promote that crop root growth is grown, strong plantlets and rootage, the interior absorption improving the effect hymexazo of the surviving rate of farm crop is extremely strong, within two hours, just can move to stem, within 20 hours, move to plant whole body.Chitosan is with the chitin be rich in marine organisms for main raw material, the oligosaccharide of the 5-12 polymerization degree that sophistication filters out.Chitosan belongs to plant resistance to environment stress inductor in pesticides application; as the plant resistance to environment stress reacting activation factor that a class is novel, the enhancing of plant self-protection ability can be promoted, strongly activate vegetable cell, coordinate plant growth state, promote absorption and the utilization of Plant To Nutrient material, improve crop yield.The present invention by Diacloden, hymexazo and chitosan composite, can insect protected diseases prevention, ensure that paddy rice is not affected or less affected by the harm of disease worm, improve the disease-resistant resistance such as cold-resistant, improve output, increase the income at plantation family.
(5) be accustomed to according to the fertilizer of using of the growth characteristic of paddy rice and China major part rice belt peasant in the present invention, the secondary and micro-element fertilizers of combination can provide silicon in short supply and zinc nutrition element for the normal growth of paddy rice, reaches the effect of stable yields and volume increase.
(6) pesticide granules in product of the present invention and the granulation respectively of secondary and micro-element fertilizers particle, be equivalent to farm chemical ingredients and fertilizer is in relatively independent environment respectively, after mixing with conventional dose and fertilizer compared with granulation process, activeconstituents Diacloden, hymexazo in medicament and chitosan have more stable physicochemical property, ensure that the quality stability of product, thus extend the shelf lives of medicament.
(7) the present invention adopts extruder grain explained hereafter fertilizer granules, add binding agent, product of the present invention is made to have stronger hardness, not easily washed away by the water leaching in soil, reduce the loss of medicament and fertilizer, improve the utilization ratio of medicament and fertilizer, and extend the lasting period of medicament and fertilizer, thus reduce consumption and the spraying times of agricultural chemicals, alleviate environmental stress, also reduce the cost at plantation family.
Embodiment
Below to prepare double centner fertilizer granules disclosed in this invention for embodiment, the present invention is further described, but embodiment does not limit the scope of the invention.Those skilled in the art can prepare the rice terrace fertilizer granules of siliceous, zinc element and chitosan accordingly according to this specification sheets.It should be noted that, in the art to the minor modifications that the present invention does, the color of product is changed as increased tinting dye in formula for a product of the present invention, small adjustment is carried out to the content ratio of formula Pesticides activeconstituents, less adjustment is carried out to each component of fertilizer, auxiliary agent, binding agent kind and content, and suitably adjustment etc. is carried out to the parameter of preparation technology of the present invention, equipment, all do not change essence of the present invention.Apart from outside Special Statement, degree of the present invention is weight percent content.
Embodiment 1:
A kind of siliceous, zinc element disclosed in the present embodiment and the rice terrace fertilizer granules of chitosan, its formula comprises:
Pesticide granules: Diacloden 0.04kg ， hymexazo 0.06kg, chitosan 0.01kg, calcium lignin sulphonate 0.3kg, sodium lauryl sulphate 0.2kg, polyvinyl alcohol 0.5kg, kaolin 11.99kg;
Secondary and micro-element fertilizers particle: potassium metasilicate 10kg, zinc sulfate 3kg, starch 5kg, clay 68.9kg; Wherein, inorganic fertilizer nutrition composition is configured to: silicon is (with SiO
2meter): 4kg, zinc: 0.66kg;
Its preparation method:
(1) pesticide granules formula micronizer mill is pulverized, mix, add water moistening, amount of water is pulverize raw material weight 10%, and then mix, use screw extruder pelletizer granulation, after fluidised bed drying, obtain the pesticide granules containing Diacloden, hymexazo and chitosan, for subsequent use;
(2) secondary and micro-element fertilizers granular recipe micronizer mill is pulverized, mix, add water moistening, amount of water is pulverize raw material weight 5%, and then mixes, and uses screw extruder pelletizer granulation, secondary and micro-element fertilizers particle is obtained after fluidised bed drying, for subsequent use;
(3) in Agravicmixer, the secondary and micro-element fertilizers particle of the pesticide granules of step (1) gained and step (2) gained is fully mixed 10 minutes, the fineness of detection control product is 1mm ~ 5mm, moisture≤3%, expulsion rate≤5%, detect qualified rear packaging, obtain siliceous, the zinc element of low pesticide concentration disclosed in this invention and the rice terrace fertilizer granules of chitosan.
Embodiment 2:
A kind of siliceous, zinc element disclosed in the present embodiment and the rice terrace fertilizer granules of chitosan, its formula comprises:
Pesticide granules: Diacloden 2kg ， hymexazo 2kg, chitosan 0.5kg, calcium lignin sulphonate 1kg, sodium lauryl sulphate 1kg, polyvinyl alcohol 1kg, kaolin 11.5kg;
Secondary and micro-element fertilizers particle: potassium metasilicate 50kg, zinc sulfate 10kg, starch 10kg, clay 11kg; Wherein, inorganic fertilizer nutrition composition is configured to: silicon is (with SiO
2meter): 20kg, zinc: 2.2kg;
Its preparation method:
(1) pesticide granules formula micronizer mill is pulverized, mix, add water moistening, amount of water is pulverize raw material weight 10%, and then mix, use screw extruder pelletizer granulation, after fluidised bed drying, obtain the pesticide granules containing Diacloden, hymexazo and chitosan, for subsequent use;
(2) secondary and micro-element fertilizers granular recipe micronizer mill is pulverized, mix, add water moistening, amount of water is pulverize raw material weight 5%, and then mixes, and uses screw extruder pelletizer granulation, secondary and micro-element fertilizers particle is obtained after fluidised bed drying, for subsequent use;
(3) in Agravicmixer, the secondary and micro-element fertilizers particle of the pesticide granules of step (1) gained and step (2) gained is fully mixed 10 minutes, the fineness of detection control product is 1mm ~ 5mm, moisture≤3%, expulsion rate≤5%, detect qualified rear packaging, obtain siliceous, the zinc element of medium pesticide concentration disclosed in this invention and the rice terrace fertilizer granules of chitosan.
Embodiment 3:
A kind of siliceous, zinc element disclosed in the present embodiment and the rice terrace fertilizer granules of chitosan, its formula comprises:
Pesticide granules: Diacloden 10kg ， hymexazo 3kg, chitosan 1kg, calcium lignin sulphonate 2kg, sodium lauryl sulphate 2kg, polyvinyl alcohol 1kg, kaolin 15kg;
Secondary and micro-element fertilizers particle: potassium metasilicate 30kg, zinc sulfate 10 kg, starch 15kg, clay 11kg; Wherein, inorganic fertilizer nutrition composition is configured to: silicon is (with SiO
2meter): 12kg, zinc: 2.3kg;
Its preparation method:
(1) pesticide granules formula micronizer mill is pulverized, mix, add water moistening, amount of water is pulverize raw material weight 10%, and then mix, use screw extruder pelletizer granulation, after fluidised bed drying, obtain the pesticide granules containing Diacloden, hymexazo and chitosan, for subsequent use;
(2) secondary and micro-element fertilizers granular recipe micronizer mill is pulverized, mix, add water moistening, amount of water is pulverize raw material weight 5%, and then mixes, and uses screw extruder pelletizer granulation, secondary and micro-element fertilizers particle is obtained after fluidised bed drying, for subsequent use;
(3) in Agravicmixer, the secondary and micro-element fertilizers particle of the pesticide granules of step (1) gained and step (2) gained is fully mixed 10 minutes, the fineness of detection control product is 1mm ~ 5mm, moisture≤3%, expulsion rate≤5%, detect qualified rear packaging, obtain siliceous, the zinc element of high pesticide concentration disclosed in this invention and the rice terrace fertilizer granules of chitosan.
Application example: in March, 2013, in Yunmeng County, Hubei Province, clear and bright river chief of township Li Cun carries out rice disease and pest control and volume increase field test.Test the standard determination usage quantity according to unified use cost, following process be set:
Process 1: above-described embodiment 1 product 50kg/ mu;
Process 2: above-described embodiment 2 product 2kg/ mu;
Process 3: above-described embodiment 3 product 0.5kg/ mu;
Process 4: 0.1% hymexazol granule, 30kg/ mu;
Process 5: 0.5% Diacloden granules, 4kg/ mu;
Process 6: zinc sulfate granule, 5kg/ mu;
In addition to the processing described above, this test is also provided with space management.To process 1-process 6, and spread fertilizer over the fields after rice transplanting, 3 repetitions are established in each process, each experimental plot 67m
2, community random alignment.The Harm of 30 days, 60 days investigation planthoppers after dispenser, 30 days investigation damping-off Harms after dispenser, investigation increasing production of rice situation in time gathering in the crops.
Test-results is in table 1.
Table 1: rice hoppers, damping-off control and volume increase field test results cartogram
Known from table 1: same drug cost situation, process 1,2 production-increasing function gaps are not obvious, process 3 and two control treatment production-increasing functions and process 1 and process 2 gaps obvious, and therefore the combination of process 1 and 2 is more reasonable, but process 2 can save the expenses such as packaging and carrying, more has promotional value.Utilize the present invention to be applied to rice terrace, compared with alone granular pesticide, good to the prevention effect of planthopper and rice seedling blight, the lasting period is longer, and compositely has synergistic function; Compared with alone granular pesticide, alone zinc sulfate granular fertilizer, the production-increasing function of the present invention to paddy rice is more obvious.
Claims (6)
1. the rice terrace fertilizer granules of siliceous a, zinc element and chitosan, be made up of secondary and micro-element fertilizers, pesticide active ingredient, auxiliary agent and vehicle, it is characterized in that: described secondary and micro-element fertilizers is made up of potassium metasilicate and zinc sulfate, described pesticide active ingredient is made up of Diacloden, hymexazo and chitosan, and the weight percent content of each component of described fertilizer granules is:
Potassium metasilicate 1 ~ 50%;
Zinc sulfate 1 ~ 50%;
Diacloden 0.01 ~ 10%;
Hymexazo 0.01 ~ 10%;
Chitosan 0.01 ~ 10%;
Auxiliary agent 0.5 ~ 5%;
Vehicle complements to 100% of fertilizer granules gross weight.
2. the rice terrace fertilizer granules of siliceous, zinc element according to claim 1 and chitosan, is characterized in that: described secondary and micro-element fertilizers is made up of the nutritive element of following weight percent content:
Effective silicon, with SiO
2meter: 0.4 ~ 20%;
Zinc: 0.22 ~ 11%.
3. the rice terrace fertilizer granules of siliceous, zinc element according to claim 1 and 2 and chitosan, is characterized in that: described auxiliary agent is sodium lauryl sulphate, calcium lignin sulphonate, sodium lignosulfonate, naphthalenesulfonate formaldehyde condensation compound, sulfonated alkyl naphathalene formaldehyde condensation products or at least one pulled open in powder.
4. the rice terrace fertilizer granules of siliceous, zinc element according to claim 1 and 2 and chitosan, is characterized in that: described vehicle is at least one in starch, polyvinyl alcohol, carboxymethyl cellulose, clay, diatomite, carclazyte, kaolin, wilkinite or calcium carbonate.
5. a preparation method for the rice terrace fertilizer granules of siliceous, zinc element and chitosan, is characterized in that, comprise the following steps:
(1) pesticide granules is prepared: according to weight part, get Diacloden 0.01 ~ 10 Fen, hymexazo 0.01 ~ 10 part, chitosan 0.01 ~ 10 part, auxiliary agent 0.5 ~ 5 part and vehicle 5 ~ 15 parts, pulverize, mix, the moistening rear remix that adds water is even, use Squeezinggranulator granulation, after drying, obtain the pesticide granules containing Diacloden, hymexazo and chitosan, for subsequent use;
(2) prepare secondary and micro-element fertilizers particle: according to weight part, get potassium metasilicate 1 ~ 50 part, 1 ~ 50 part, zinc sulfate and vehicle, the addition of vehicle makes the total weight parts of pesticide granules and secondary and micro-element fertilizers particle reach 100 parts; By got raw material pulverizing, mix, the moistening rear remix that adds water is even, uses Squeezinggranulator granulation, obtains secondary and micro-element fertilizers particle after drying, for subsequent use;
(3) in mixing equipment, the secondary and micro-element fertilizers particle of the pesticide granules of step (1) gained and step (2) gained is fully mixed, the fineness of testing product is 1mm ~ 5mm, moisture≤3%, expulsion rate≤5%, obtains the rice terrace fertilizer granules of siliceous, zinc element and chitosan.
6. the preparation method of the rice terrace fertilizer granules of siliceous, zinc element according to claim 5 and chitosan, is characterized in that:
Potassium metasilicate described in step (2) is anhydrous partial silicon acid potassium, and zinc sulfate is agricultural Zinc Sulphate Heptahydrate conventional in compound fertilizer product;
Step (1) and the pulverizing described in step (2) are pulverized by raw material with micronizer mill, Universalpulverizer or Raymond machine; Described Squeezinggranulator is screw extruder pelletizer; Described adding water is moistening, and amount of water is pulverize raw material weight 5 ~ 10%; Described drying is fluidised bed drying or rotary drying; Described mixing refers to and to be mixed by raw material by Agravicmixer or double-spiral conical mixer, and mixing time is 10 ~ 30 minutes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105130689A (en) * | 2015-10-22 | 2015-12-09 | 金正大诺泰尔化学有限公司 | Silicious rice insecticide and fertilizer mixture and application thereof |
| CN107056424A (en) * | 2017-03-01 | 2017-08-18 | 中国水稻研究所 | A kind of live growth promotion granule of rice machine and its preparation method and application |
| CN111995465A (en) * | 2020-09-04 | 2020-11-27 | 上海贯发海洋生物科技有限公司 | Heavy metal blocking agent, application and use method thereof |
| CN112194527A (en) * | 2020-10-13 | 2021-01-08 | 黑龙江省绥北高科农作物研究院 | Crop coated pesticide fertilizer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105130689A (en) * | 2015-10-22 | 2015-12-09 | 金正大诺泰尔化学有限公司 | Silicious rice insecticide and fertilizer mixture and application thereof |
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| CN107056424A (en) * | 2017-03-01 | 2017-08-18 | 中国水稻研究所 | A kind of live growth promotion granule of rice machine and its preparation method and application |
| CN107056424B (en) * | 2017-03-01 | 2021-02-23 | 中国水稻研究所 | Rice machine direct seeding growth promoting granules and preparation method and application thereof |
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| CN112194527A (en) * | 2020-10-13 | 2021-01-08 | 黑龙江省绥北高科农作物研究院 | Crop coated pesticide fertilizer and preparation method thereof |
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Application publication date: 20150805 |