CN106187587A - A kind of rapeseed cultivation slow release magnetic compound fertiliser material and preparation method thereof - Google Patents

A kind of rapeseed cultivation slow release magnetic compound fertiliser material and preparation method thereof Download PDF

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Publication number
CN106187587A
CN106187587A CN201610544105.2A CN201610544105A CN106187587A CN 106187587 A CN106187587 A CN 106187587A CN 201610544105 A CN201610544105 A CN 201610544105A CN 106187587 A CN106187587 A CN 106187587A
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fertilizer
parts
slow release
magnetic
rapeseed cultivation
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王兰祥
王彪
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ANHUI JINLIAO COMPOUND MAGNETIC FERTILIZER CO LTD
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ANHUI JINLIAO COMPOUND MAGNETIC FERTILIZER CO LTD
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00Fertilisers characterised by their form
    • C05G5/10Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12Granules or flakes

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Soil Sciences (AREA)
  • Fertilizers (AREA)

Abstract

A kind of rapeseed cultivation slow release magnetic compound fertiliser material and preparation method thereof, this rapeseed cultivation slow release magnetic compound fertiliser material includes that following raw material is made: 24 28 parts of carbamide, potassium dihydrogen phosphate 18 22 parts, 35 parts of precipitated calcium carbonate powder, 10 16 parts of potassium chloride, humic fertilizer 2 2.5 parts, fertilizer rich in selenium 0.2 0.5 parts, Magnesium sulfate heptahydrate 0.5 1 parts, starch ether 12 parts, fertilizer additive 48 parts, magnetic carrier 34 40 parts.The present invention coordinates fertilizer to carry out magnetization treatment with iron selection tailings sand, improves soil environment, strengthens the fertilizer efficiency phase, promotes the crop absorption to nutrition, promotes that Brassica campestris L is resistant to lodging and disease resistance, plays increasing both production and income effect, and can also the utilization of resources, protection environment.

Description

A kind of rapeseed cultivation slow release magnetic compound fertiliser material and preparation method thereof
Technical field
The present invention relates to technical field of composite fertilizer, be specifically related to a kind of rapeseed cultivation slow release magnetic compound fertiliser material and Preparation method.
Background technology
China is the first in the world populous nation, Ye Shi large agricultural country, and dividing that grain-production occupies in agricultural production is important Status, improve per unit area yield of grain major way be in agricultural production use chemical fertilizer.China's fertilizer production It is all the first in the world with usage amount, but the Fertilizer application of China exists problems: (1) utilization rate of fertilizer is low, fertilizer loss Cause environmental situation serious.Although China puts into every year substantial amounts of fertilizer application in agricultural production, but utilization rate of fertilizer with Developed country compares and has a long way to go.Compare the utilization rate of fertilizer of developed country 55%, China's chemical fertilizer utilization ratio averagely less than 30%, Proving according to the study, this season utilization rate nitrogenous fertilizer of China's fertilizer is 30%~35%, and phosphate fertilizer is 10%~25%, potash fertilizer be 35%~ 50%.The lowest owing to applying too much chemical fertilizer or utilization rate of fertilizer, the material such as soil water soluble nutrient is by rainwater and farmland irrigating Water leaching, in subsoil water and river, causes subsoil water and the river pollution of some areas, and making subsoil water, river, lake is richness Nutrient laden, causes that subsoil water is bad to be drunk, and the fish and shrimp in partial rivers, lake often occur the phenomenon of death.(2) singly execute or executing partially Fertilizer brings the problems such as serious Soil Nutrients in Farmland destruction.All the time, the fertilizer production in the whole world is concentrated mainly on crop demand On the nitrogen of amount maximum, phosphorus, three kinds of nutrients of potassium, and China's fertilizer variety is more single, and long-term using brings a lot of problem.? Common chemical fertilizer is used in farmland in a large number, and its nutrient can not be effectively absorbed utilization by crop, and some chemical substances such as nitrogen, phosphorus, potassium are easy By soil consolidation, forming various chemistry salinity, accumulate, cause soil nutrient structural imbalance in soil, physical behavior is deteriorated, portion Point plot poisonous metal and harmful levels of pathogens exceed standard, and cause soil property to deteriorate.Partially execute certain chemical fertilizer, then crop alimentary can be caused to lose Adjusting, internal body portion material Synthesis is obstructed, and causes product quality to reduce, and causes melon and fruit to taste sweetless, and vegetable is tasted not Perfume (or spice), and easily rot, it is impossible to deposit.(3) fertilizers is relatively fewer.The main cause one of China's agricultural fertilizer present situation is Being limited by factors such as tillage and cultivation level, crop fertilizer requirement, crop can not obtain the highest yield;Two is owing to using too much Monistic several fertilizer, causes nutritional imbalance, and nutrient is lacked of proper care, and only increases cost and does not increase yield, and causes low-quality Agricultural product be difficult to sell or on the low side etc., bring loss to peasant.The use of the multi-Functional Fertilizers such as slow release fertilizer can have Effect improve utilization rate of fertilizer, improve the environmental pollution etc. that common fertilizer brings, multi-Functional Fertilizers as the developing direction of fertilizer, but The most it is not widely used in China.
Meanwhile, along with developing rapidly of national economy, industrial and mineral industry development is rapid, creates substantial amounts of industrial and mineral solid waste Thing, as smelted iron remaining iron selection tailings, the flyash of steam power plant's discharge and the output of sulfate slag, slag, blast furnace slag etc. There are several hundred million tons.Their bulk deposition is put with village and is not only taken up limited, valuable soil, also can cause and blow ash wind, rainy ash, Serious pollution of ecological environment, to affect people healthy.The processing cost of these industrial and mineral solid waste increases day by day, and is also environmental protection work The difficult problem made.
Magnetic compound fertiliser material refers to be mixed by certain proportion with nitrogen, phosphorus, potassium and trace element etc. by magnetic carrier, make Grain, makes fertilizer keep the NEW TYPE OF COMPOSITE fertilizer of certain " remanent magnetism " after magnetic field processes, has fertilizer and magnetics (comprises soil Magnetic effect and biomagnetic effect) dual-use function.The application industrial and mineral solid waste such as iron selection tailings, flyash is as magnetic carrier Magnetic compound fertiliser material can be produced, by playing the double effect of its fertilizer and magnetics, can increase and make under identical chemical fertilizer puts into Produce amount and utilization rate of fertilizer, make soil nutrient status be improved and improve quality of agricultural product.Research shows: soil makees system System is one and comprises the synthesis of various ion-transfer, hydrone migration, enzyme and the organic mineral complex system of microbial action, magnetic By the effect of metal magnetic in the electron transmission in system, dipole orientations, enzyme and microorganism etc. is produced soil and Biomagnetism effect.When soil uses 50kg magnetic compound fertiliser can make the increase of soil magnetization index geometry level, soil is supported The release divided, increases equally to soil water-reataining fertilizer-keeping, water supply feeder capability.Soil in suitable applied field strengths, warp Cross certain time process, the physicochemical character improving soil can be regulated.Under the influence of the externally-applied magnetic field of magnetic compound fertiliser material, to agriculture Budding, growth, photosynthesis and dry-matter accumulation have good action, can strengthen the drought resisting of crop, flood.Additionally magnetic Change magnetic carrier itself in compound fertilizer possibly together with other nutrients needed for plant, as the zinc contained in flyash, copper, The trace element such as molybdenum, boron is higher than the content in soil.The content in iron content soil to be significantly larger than in iron selection tailings, has Effect SiO2Content between 2.56~11.7g/kg, its rate of release is higher 2.0~11.0 times than soil.By using magnetization multiple The Hefei material energy more yield of crop harvesting, improves product quality and utilization rate of fertilizer, reduces cost.Increase farmers' income.
Magnetization agricultural application from reform and opening-up after the most just start apply, 1957~1977, the former Soviet Union, India, The magnetic field such as China processes crop seed, observes the respiratory intensity of seed, amylase and nitrate reductase organized enzyme.China in 1978 Carry out the research of national magnetic water improvement soil, carry out experimental study at salinized soil, laterite, red soil, purple soil.80 years In generation, just the state such as the former Soviet Union, front Czechoslovakia reported.The experience of soil conditioner made by application magnetization iron powder, magnetizable powder coal ash. Also carried out relevant research along with China, utilized iron selection tailings after magnetization, make soil conditioner.Hubei, Shandong, zhejiang and other places It is also carried out magnetizable powder coal ash to improve the soil test.
At the end of the seventies, China just carries out test one and containing Barium hexaferrite BaFe12O18 and has certain permanent magnetism compound Ferromagnetism fertilizer and the another kind of paramagnetism fertilizer containing rare earth salts.At the beginning of the nineties, Central Southern China Electric Power surveying and designing institute have developed With the magnetic fertilizer that steam power plant's fly ash content is main low nutrient content.China Agriculture Academe Fertilizer Institute and Shandong China Shandong power plant joint research and development " Efficiente magnetizing composite special fertilizer " series of products, Jiangsu Academy of Agricultural Sciences's soil and fertilizer institute and south Capital phosphate fertilizer plant of chemical industrial company develops with flyash, the troilite ash polynary magnetized fertilizer of NC type as magnetic carrier, also has it Its unit development and production in succession dozens of products such as a biochemical magnetic inorganic compounding magnetic fertilizer fertile, organic, magnet mixing fertilizer.This industry is fast Speed development, magnetic fertilizer factory is distributed national more or less a hundred enterprise, produces magnetic fertilizer 2,000,000 more than t per year, causes State Economic and Trade Commission, agriculture Industry portion, the Ministry of Chemical Industry leader and concern November nineteen ninety-five of relevant expert.Chinese Association of Agricultural Science Societies has held first " whole nation magnetic fertilizer Art investigation and production technology exchanging meeting ";In June, 1998, Chinese Association of Agricultural Science Societies has held again " whole nation magnetic fertilizer research and production tackling key problem Cooperative groups preparatory work meeting " discuss magnetic fertilizer development, develop, produce in same topic and countermeasure, promote China magnetic fertile Material industry moves towards correct development track.
Since entering 21 century, research and application for magnetic compound fertiliser material are concentrated mainly on magnetization technology aspect, magnetic The quality of fertilizer, as the core process of magnetic compound fertiliser material, is had a direct impact by metallization processes.Different field generator for magnetic pair The quality of fertilizer also has a certain impact, and electromagnetic type device has the advantage that field intensity can easily be accommodated, but puts this mechanism and there is leakage field Big shortcoming, between electric flux and the Effective magnetic energy of output of its input, energy difference is huge, make the field intensity in magnetic field too low or Person wastes huge electric energy.The loss of big energy also results in coil and easily generates heat, it is difficult to long time continuous working.When long Between practice and application, electromagnetic type field generator for magnetic typically can not reach well to meet the production of magnetic compound fertiliser material to be wanted Asking, it is application magneto field generator for magnetic that most magnetic fertilizers produces, the master of general magneto magnetic treatment equipment Wanting shortcoming is that field intensity is not easily adjusted, and there has been adjustable permanent-magnet device for magnetic treatment in market now, as adjustable in ZY500 series Permanent magnet magnetization datatron, utilizes closed magnetic system and special poly-magnetic technology to make the field intensity of operation interval can be in 0.1 0.5T scope Interior continuously adjustabe, to meet the production needs of high, medium and low variable concentrations magnetic fertilizer.This machine not only can long-time stable Reliably working, have the Electromagnetic Treatment continuously adjustable advantage of device field intensity simultaneously, the magnetic treatment time adjusts also dependent on needs Whole.
At present, industrial and mining waste such as flyash, iron selection tailings etc. are produced magnetic fertilizer as magnetization vector domestic existing The example of several successful.These fertilizer mainly employing flyash etc. are as magnetization vector, then add organic fertilizer or biology Microbial inoculum, uses simple " blending method " (cooperation is the most directly dry mixed) mostly, and be made the soil conditioner with certain fertilizer efficiency. As disclosed in China Patent Publication No. CN102030594A " silicon-calcium-iron-potassium biological magnetic fertilizer ", it is simply that by by silicate mineral The mixing such as matter, flyash and humic acids magnetizes and realizes;Disclosed " the magnetic fertilizer i.e. magnetic compound of publication number CN1088565A Fertile ", it is to utilize flyash for raw material, adds multielement additive, magnetize through powdery or graininess magnetizer and form.Also there are some profits Mix with compound fertilizer with magnetization vector and carry out pelletize back magnetization and form granular magnetic compound fertiliser material, such as publication number CN1203215A disclosed " hexabasic magnetized fertilizer ", be the nutrients such as N P and K be bulk composition, be equipped with the water coal of different component Iron oxide yellow mud grey, yellow, Kaolin and trace element, carry out magnetization and make graininess magnetized special fertilizer after mixing granulation.Publication number CN1113904A is disclosed " producing method for granulated magnetized chemical fertilizer ", is to add calcium magnesium phosphate and sulphuric acid nitrogen phosphorus slurry in powdery phosphatization fertilizer The granular compound fertilizer technological process of production is used to be fabricated by.And utilize industrial and mining waste to produce functional magnetization as magnetic carrier There is not been reported for fertilizer.
Slow-release material is added in compound fertilizer the slow release effect reaching its nutrient, then carries out magnetization treatment, make slow release Magnetic compound fertiliser material, is possible not only to play the slow controlled-release effect of the nutrient elements such as its N P and K, improves utilization rate of fertilizer, moreover it is possible to more The most permanent " remanent magnetism " that plays in magnetic compound fertiliser material effect, makes physicochemical character and the nutrient situation etc. of soil obtain more preferably Improvement.On the one hand the meaning of slow release magnetic compound fertiliser material is as can reduce the dirt to surrounding of the industrial and mineral solid waste Dye, on the other hand also improves Soil Nutrients in Farmland situation and promotes fertilizer industry level of development, increasing income increases in grain production, increases Add farmers' income and promote agricultural development to have important meaning.
Brassica campestris L, is again pakchoi, Herba Sonchi Oleracei, Cruciferae, brassica plant, originates in China, and its stem color is dark green, and side is as white Dish, belongs to Cruciferae Chinese cabbage mutation, and flower is yellow.On agronomy, multiple species of seed oil-containing in plant are referred to as Brassica campestris L. Brassica campestris L Main Cultivation (kind) type is at present: turnip type rape, mustard type rape, cabbage type rape.Be mainly distributed on Anhui, The ground such as Henan, Sichuan.Brassica campestris L is nutritious, and wherein Vitamin C content is the highest.Brassica campestris L is typically grown in the ground that weather moistens relatively Side, the such as south of China.Brassica campestris L also has many use, such as rape flower edible the budding blossoms waiting to burst forth when;Rape flower Also it is one beautiful scenery (Hanzhong City of Shaanxi, China just has a piece of rape flower to view and admire tourist district) time in full bloom;Flower withers After, Semen Brassicae campestris can extract oil.
Summary of the invention
The technical problem to be solved is to provide a kind of rapeseed cultivation slow release magnetic compound fertiliser material and system thereof Preparation Method, coordinates fertilizer to carry out magnetization treatment with iron selection tailings sand, improves soil environment, strengthen the fertilizer efficiency phase, promote crop Absorption to nutrition, promotes that Brassica campestris L is resistant to lodging and disease resistance, plays increasing both production and income effect, and can also the utilization of resources, protection ring Border.
The technical problem to be solved realizes by the following technical solutions:
A kind of rapeseed cultivation slow release magnetic compound fertiliser material, makes including following raw material: carbamide 24-28 part, phosphorus Acid dihydride potassium 18-22 part, precipitated calcium carbonate powder 3-5 part, potassium chloride 10-16 part, humic fertilizer 2-2.5 part, fertilizer rich in selenium 0.2-0.5 Part, Magnesium sulfate heptahydrate 0.5-1 part, starch ether 1-2 part, fertilizer additive 4-8 part, magnetic carrier 34-40 part.
Described humic fertilizer is prepared by the raw materials in: Pond Silt 12-16 part, sewage sludge 12-16 part, bean 6-8 part, distiller grains 1-2 part, Pulvis Talci 3-5 part;Preparation method is to put in fermentation vat by after the mixing of each raw material, logical in fermentation vat Entering and have mixed gas, mixed gas is that nitrogen, argon, carbon dioxide, oxygen are in the mixing of 1:1:1:2 ratio, then sealed fermenting Fermenting in pond, fermentation temperature is 45 DEG C, opens fermentation vat after fermenting 3 days, and fermented product is humic fertilizer.
Described starch ether is guar gum ether.
Described fertilizer additive is prepared by the raw materials in: tourmaline powder 10-14 part of activation, the zeolite of activation Powder 10-14 part, attapulgite 10-14 part of nano-scale chitosan modification, nano titanium oxide 2-3 part, castor oil polyoxyethylene Ether 0.5-1 part, nano-graphene 1-2 part, tea polyphenols 1-2 part, Oleum Arachidis hypogaeae semen 6-8 part;Preparation method is: by the tourmaline of activation The attapulgite of powder, the zeolite powder of activation, nano-scale chitosan modification sends into 200-240 DEG C of kiln roasting 4-5 hour, the most broken Become 1-2mm coarse grain;Gained coarse grain is added the mixing of other residual components, pelletize, drying again.
Described magnetic carrier is the iron selection tailings sand processing 60 80 mesh through efflorescence.
The preparation method of a kind of rapeseed cultivation slow release magnetic compound fertiliser material, comprises the following steps:
(1) magnetic carrier is processed 30-40 minute under 550 DEG C of high temperature, then with liquid nitrogen, magnetic carrier is cooled to-20 DEG C, then after warming naturally to room temperature, it is milled to 100-150 mesh powder with Raymond mill;
(2) by urea melting, it is subsequently adding surplus stock and step (1) gained powder carries out mixed melting;
(3) tower granulation technique is utilized to carry out pelletize step (2) melt-mixed material;
(4) granulated fertilizer after pelletize is carried out magnetic field process, magnetic field used by adjustable permanent-magnet magnetization treatment machine Intensity is 5500-6000 oersted, the magnetizing time 5-10 second;
(5) by after the dry materials cooling after magnetization, carry out metering packing by specification, obtain product.
Rapeseed cultivation slow release magnetic compound fertiliser material application notice of the present invention:
1, can use with organic fertilizer collocation as Ji Shi with impose, every mu of 40-50kg executed by base;
2, usage amount can be increased or decreased in right amount according to local farmland concrete condition during using;
3, the present invention has slow releasing function, can apply farmland ahead of time;
When 4, doing base manure use, fertilizer should be applied to the side-lower 10 centimetres of seed or plant with external position, it is to avoid with agriculture Crop directly contacts and causes burn seedlings phenomenon.
The invention have the benefit that
1, utilize the iron selection tailings sand of industrial and mining waste as magnetic carrier, it is to avoid the accumulation of a large amount of iron selection tailings sand and make The pollution of environment in pairs, but also reasonably carried out comprehensive utilization of resources.
2, iron selection tailings sand is through 550 DEG C of high-temperature process, water solublity that can be absorbed by crops in ore in sand form and solubility in citric acid group Sub-dip output is big, and calcium, ferrum, rare earth element and trace element solubility needed for plant growth are also improved simultaneously so that have Effect nutrient is prone to absorbed by crops.
3, magnetic compound fertiliser material has magnetic effect gentle control effect, the effect of " remanent magnetism " in fertilizer, makes the magnetic in soil Increasing, slow down fertilizer nutrient and run off, degraded soil acidification hardens, and improves soil pH value, and fixed nitrogen, phosphorus decomposing, potassium decomposing, active soil stratum adds Thickness, exempts from deep ploughing, and crumb structure doubles, beneficially geobiont bacterium procreation, increases soil fertility, a settlement soil huge sum of money Belonging to, it is to avoid absorbed by crops, magnetic effect can maintain 2-3, promotes in the refreshment period Repiration to ploughing of ploughing, microorganism Protection has significant effect.
4, magnetic compound fertiliser material can improve soil granulation structure, reduces the soil weight, improves soil permeability, breathability, Reduce soil stickiness comprcssive strength and hydrolytic acidity, and make the Ammonifying bacteria of soil and the activity of nitrobacteria promote 10- 16 times, Fe2+And Fe3+Conversion accelerate the oxidation-reduction process of other compositions in soil, promote the metabolism of crops.
5, " remanent magnetism " of magnetic compound fertiliser material can promote cell division, for improving crop germination percentage and Seed viability Having significant effect, be particularly suitable for rapeseed cultivation and use, can promote Brassica campestris L root cation exchange capacity, root nodule quality is significantly Improve, strengthen root strength of stem, make the rigidity reinforced of Brassica campestris L conduit, strengthen inside plants aeration so that Brassica campestris L is resistant to lodging Performance is the best, is the most also effectively improved the diseases and insect pests resistance of Brassica campestris L, for increasing both production and income effect clearly.
6, magnetic carrier can release energy at soil, and nano-graphene has certain insulation effect, energy energy to soil Promoting the mineralization of the soil organism, the tourmaline powder of activation has certain releasing far infrared ability, is highly profitable crop Place.
7, humic fertilizer is under the fermentation of mixed gas, the potassium in fertilizer, zinc, the calcium constituent substantial amounts of leaching of energy, is greatly improved Utilization rate of fertilizer.
8, utilize the heat energy of melted carbamide and urea liquid and calcium superphosphate, the reaction heat of potassium chloride, be used for evaporating water Point, reduce the production cost of dried.
9, tower granulation is used to be greatly saved than conventional granulating method and slurry process investment operation expense, and floor space Little.
10, production process good operational environment, the dust of discharge can directly reclaim returning charge and recycle, and three waste discharge is low.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot Close specific embodiment, the present invention is expanded on further.
Embodiment 1
A kind of rapeseed cultivation slow release magnetic compound fertiliser material, makes including following raw material: carbamide 26kg, di(2-ethylhexyl)phosphate Hydrogen potassium 20kg, precipitated calcium carbonate powder 4kg, potassium chloride 13kg, humic fertilizer 2.2kg, fertilizer rich in selenium 0.3kg, Magnesium sulfate heptahydrate 0.8kg, Starch ether 1.5kg, fertilizer additive 6kg, magnetic carrier 37kg.
Described humic fertilizer is prepared by the raw materials in: Pond Silt 14kg, sewage sludge 14kg, bean 7kg, Distiller grains 1.5kg, Pulvis Talci 4kg;Preparation method is to put in fermentation vat after the mixing of each raw material, has been passed through gaseous mixture in fermentation vat Body, mixed gas be nitrogen, argon, carbon dioxide, oxygen in 1:1:1:2 ratio mix, then ferment in sealed fermenting pond, Fermentation temperature is 45 DEG C, opens fermentation vat after fermenting 3 days, and fermented product is humic fertilizer.
Described starch ether is guar gum ether.
Described fertilizer additive is prepared by the raw materials in: the tourmaline powder 12kg of activation, the zeolite powder of activation The modified attapulgite 12kg of 12kg, nano-scale chitosan, nano titanium oxide 2.5kg, castor oil polyoxyethylene ether 0.8kg, Nano-graphene 1.5kg, tea polyphenols 1.5kg, Oleum Arachidis hypogaeae semen 7kg;Preparation method is: by tourmaline powder, the zeolite of activation of activation The attapulgite of powder, nano-scale chitosan modification sends into 200-240 DEG C of kiln roasting 4-5 hour, is then broken into 1-2mm coarse grain; Gained coarse grain is added the mixing of other residual components, pelletize, drying again.
Described magnetic carrier is the iron selection tailings sand processing 60 80 mesh through efflorescence.
The preparation method of a kind of rapeseed cultivation slow release magnetic compound fertiliser material, comprises the following steps:
(1) magnetic carrier is processed 30-40 minute under 550 DEG C of high temperature, then with liquid nitrogen, magnetic carrier is cooled to-20 DEG C, then after warming naturally to room temperature, it is milled to 100-150 mesh powder with Raymond mill;
(2) by urea melting, it is subsequently adding surplus stock and step (1) gained powder carries out mixed melting;
(3) tower granulation technique is utilized to carry out pelletize step (2) melt-mixed material;
(4) granulated fertilizer after pelletize is carried out magnetic field process, magnetic field used by adjustable permanent-magnet magnetization treatment machine Intensity is 5500-6000 oersted, the magnetizing time 5-10 second;
(5) by after the dry materials cooling after magnetization, carry out metering packing by specification, obtain product.
Rapeseed cultivation slow release magnetic compound fertiliser material application notice of the present invention:
1, can use with organic fertilizer collocation as Ji Shi with impose, every mu of 40-50kg executed by base;
2, usage amount can be increased or decreased in right amount according to local farmland concrete condition during using;
3, the present invention has slow releasing function, can apply farmland ahead of time;
When 4, doing base manure use, fertilizer should be applied to the side-lower 10 centimetres of seed or plant with external position, it is to avoid with agriculture Crop directly contacts and causes burn seedlings phenomenon.
Embodiment 2
A kind of rapeseed cultivation slow release magnetic compound fertiliser material, makes including following raw material: carbamide 24kg, di(2-ethylhexyl)phosphate Hydrogen potassium 18kg, precipitated calcium carbonate powder 3kg, potassium chloride 10kg, humic fertilizer 2kg, fertilizer rich in selenium 0.2kg, Magnesium sulfate heptahydrate 0.5kg, shallow lake Powder ether 1kg, fertilizer additive 4kg, magnetic carrier 34kg.
Described humic fertilizer is prepared by the raw materials in: Pond Silt 12kg, sewage sludge 12kg, bean 6kg, Distiller grains 1kg, Pulvis Talci 3kg;Preparation method is to put in fermentation vat after the mixing of each raw material, has been passed through gaseous mixture in fermentation vat Body, mixed gas be nitrogen, argon, carbon dioxide, oxygen in 1:1:1:2 ratio mix, then ferment in sealed fermenting pond, Fermentation temperature is 45 DEG C, opens fermentation vat after fermenting 3 days, and fermented product is humic fertilizer.
Described starch ether is guar gum ether.
Described fertilizer additive is prepared by the raw materials in: the tourmaline powder 10kg of activation, the zeolite powder of activation Modified attapulgite 10kg, nano titanium oxide 2kg, the castor oil polyoxyethylene ether 0.5kg of 10kg, nano-scale chitosan, receive Rice Graphene 1kg, tea polyphenols 1kg, Oleum Arachidis hypogaeae semen 6kg;Preparation method is: by the tourmaline powder of activation, the zeolite powder of activation, nanometer The chitin modified attapulgite of level sends into 200-240 DEG C of kiln roasting 4-5 hour, is then broken into 1-2mm coarse grain;Again by gained Coarse grain adds the mixing of other residual components, pelletize, drying.
Described magnetic carrier is the iron selection tailings sand processing 60 80 mesh through efflorescence.
The preparation method of a kind of rapeseed cultivation slow release magnetic compound fertiliser material, comprises the following steps:
(1) magnetic carrier is processed 30-40 minute under 550 DEG C of high temperature, then with liquid nitrogen, magnetic carrier is cooled to-20 DEG C, then after warming naturally to room temperature, it is milled to 100-150 mesh powder with Raymond mill;
(2) by urea melting, it is subsequently adding surplus stock and step (1) gained powder carries out mixed melting;
(3) tower granulation technique is utilized to carry out pelletize step (2) melt-mixed material;
(4) granulated fertilizer after pelletize is carried out magnetic field process, magnetic field used by adjustable permanent-magnet magnetization treatment machine Intensity is 5500-6000 oersted, the magnetizing time 5-10 second;
(5) by after the dry materials cooling after magnetization, carry out metering packing by specification, obtain product.
Rapeseed cultivation slow release magnetic compound fertiliser material application notice of the present invention:
1, can use with organic fertilizer collocation as Ji Shi with impose, every mu of 40-50kg executed by base;
2, usage amount can be increased or decreased in right amount according to local farmland concrete condition during using;
3, the present invention has slow releasing function, can apply farmland ahead of time;
When 4, doing base manure use, fertilizer should be applied to the side-lower 10 centimetres of seed or plant with external position, it is to avoid with agriculture Crop directly contacts and causes burn seedlings phenomenon.
Embodiment 3
A kind of rapeseed cultivation slow release magnetic compound fertiliser material, makes including following raw material: carbamide 28kg, di(2-ethylhexyl)phosphate Hydrogen potassium 22kg, precipitated calcium carbonate powder 5kg, potassium chloride 16kg, humic fertilizer 2.5kg, fertilizer rich in selenium 0.5kg, Magnesium sulfate heptahydrate 1kg, shallow lake Powder ether 2kg, fertilizer additive 8kg, magnetic carrier 40kg.
Described humic fertilizer is prepared by the raw materials in: Pond Silt 16kg, sewage sludge 16kg, bean 8kg, Distiller grains 2kg, Pulvis Talci 5kg;Preparation method is to put in fermentation vat after the mixing of each raw material, has been passed through gaseous mixture in fermentation vat Body, mixed gas be nitrogen, argon, carbon dioxide, oxygen in 1:1:1:2 ratio mix, then ferment in sealed fermenting pond, Fermentation temperature is 45 DEG C, opens fermentation vat after fermenting 3 days, and fermented product is humic fertilizer.
Described starch ether is guar gum ether.
Described fertilizer additive is prepared by the raw materials in: the tourmaline powder 10-14kg of activation, the zeolite of activation The attapulgite 10-14kg of powder 10-14kg, nano-scale chitosan modification, nano titanium oxide 2-3kg, castor oil polyoxyethylene Ether 0.5-1kg, nano-graphene 1-2kg, tea polyphenols 1-2kg, Oleum Arachidis hypogaeae semen 6-8kg;Preparation method is: by the tourmaline of activation The attapulgite of powder, the zeolite powder of activation, nano-scale chitosan modification sends into 200-240 DEG C of kiln roasting 4-5 hour, the most broken Become 1-2mm coarse grain;Gained coarse grain is added the mixing of other residual components, pelletize, drying again.
Described magnetic carrier is the iron selection tailings sand processing 60 80 mesh through efflorescence.
The preparation method of a kind of rapeseed cultivation slow release magnetic compound fertiliser material, comprises the following steps:
(1) magnetic carrier is processed 30-40 minute under 550 DEG C of high temperature, then with liquid nitrogen, magnetic carrier is cooled to-20 DEG C, then after warming naturally to room temperature, it is milled to 100-150 mesh powder with Raymond mill;
(2) by urea melting, it is subsequently adding surplus stock and step (1) gained powder carries out mixed melting;
(3) tower granulation technique is utilized to carry out pelletize step (2) melt-mixed material;
(4) granulated fertilizer after pelletize is carried out magnetic field process, magnetic field used by adjustable permanent-magnet magnetization treatment machine Intensity is 5500-6000 oersted, the magnetizing time 5-10 second;
(5) by after the dry materials cooling after magnetization, carry out metering packing by specification, obtain product.
Rapeseed cultivation slow release magnetic compound fertiliser material application notice of the present invention:
1, can use with organic fertilizer collocation as Ji Shi with impose, every mu of 40-50kg executed by base;
2, usage amount can be increased or decreased in right amount according to local farmland concrete condition during using;
3, the present invention has slow releasing function, can apply farmland ahead of time;
When 4, doing base manure use, fertilizer should be applied to the side-lower 10 centimetres of seed or plant with external position, it is to avoid with agriculture Crop directly contacts and causes burn seedlings phenomenon.
The humic fertilizer of the embodiment of the present invention 1 is divided into four parts of samples of equivalent, and each sample processes respectively through following:
Sample one puts into nitrogen, carbon dioxide, oxygen in sealed fermenting in 1:2:2 ratio mixed gas, and fermentation temperature is 45 DEG C, open fermentation vat after fermenting 3 days and take out fermented product;
Sample two puts into nitrogen, argon, carbon dioxide, oxygen in sealed fermenting in 1:1:1:2 ratio mixed gas, fermentation Temperature is 45 DEG C, opens fermentation vat and take out fermented product after fermenting 3 days;
It is 45 DEG C in sealed fermenting in 1:2:2 ratio mixed gas, fermentation temperature that sample three puts into nitrogen, argon, oxygen, Open fermentation vat after fermenting 3 days and take out fermented product;
Sample four puts into the direct sealed fermenting of fermentation vat, and fermentation temperature is 45 DEG C, opens fermentation vat taking-up and send out after fermenting 3 days Ferment thing;
After each sample is manured into soil, cross the soil nutrient elements content near 10 days detection samples, as shown in table 1.
Table 1 soil nutrient elements content
Nutrient Sample one Sample two Sample three Sample four
K(mg/kg) 43.1 126.8 52.4 41.3
Zn(mg/kg) 0.93 1.69 1.21 0.88
Ga(mg/kg) 2.2 2.9 1.8 1.3
B(mg/kg) 0.65 0.89 0.31 0.54
Fe(mg/kg) 1.26 1.32 0.74 0.21
Organic (g/kg) 14.25 18.22 11.00 9.21
As shown in Table 1, humic fertilizer ferments in nitrogen, argon, carbon dioxide, oxygen are in 1:1:1:2 ratio mixed gas After, its available nutrient leaches content and is greatly enhanced so that as more easily absorbing fertilizer.
The magnetic carrier of the embodiment of the present invention 1, i.e. iron selection tailings sand are divided into nine parts of samples of equivalent, each sample respectively through Following process:
Sample one was through 500 DEG C of high-temperature process 30 minutes, then was cooled to-10 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample two was through 500 DEG C of high-temperature process 30 minutes, then was cooled to-20 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample three was through 500 DEG C of high-temperature process 30 minutes, then was cooled to-30 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample four was through 550 DEG C of high-temperature process 30 minutes, then was cooled to-10 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample five was through 550 DEG C of high-temperature process 30 minutes, then was cooled to-20 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample the six channels crosses 550 DEG C of high-temperature process 30 minutes, then is cooled to-30 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample seven was through 600 DEG C of high-temperature process 30 minutes, then was cooled to-10 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample eight was through 600 DEG C of high-temperature process 30 minutes, then was cooled to-20 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Sample nine was through 600 DEG C of high-temperature process 30 minutes, then was cooled to-30 DEG C with liquid nitrogen, then after warming naturally to room temperature, It is milled to 150 mesh powder with Raymond mill;
Additionally buy the mineral fertilizer (not making any process) that market is common, as blank group (sample ten), and grind Broken to 150 mesh powder, then very sample boiled water is soaked 24 hours, measure different component at aqueous solution with plasma spectrum In content.Ca, Mg, K, Na, Fe, B, Mo perform standard be JY/T015-1996, Be, V, Ti, Cr, Mn, Co, Ni, Cu, Zn, It is DZ/T0223-2001 that Ga, Ba, Sn, Ce, Li, Sr, S perform standard.Each sample soluble component analysis result under different temperatures As shown in table 2.
The different sample water dissolubility analysis result table of table 2
As shown in Table 2, in sample, different component solubility size has certain difference, can be seen that by comparing.550 After DEG C high-temperature process again after-20 DEG C of freezing processing, the useful element of sample leaches content substantially to be increased, and is especially suitable for crop raw Long needs.
The rapeseed cultivation slow release magnetic compound fertiliser material of the embodiment of the present invention 1 has carried out fertilising and has produced examination in Anhui Huoqiu County Testing, test set up two controlled trials simultaneously, and process of the test is as follows:
1) this test in the field that in early November, 2014 chooses soil, landform is consistent whole make three communities, each Plot area one mu, community surrounding stays 0.5m dead furrow, sets up protection row;
2) rapeseed cultivation slow release magnetic compound fertiliser material executed by the first community base, applies by 50 kgs/acre of consumptions;Second community By local habits fertilization, mu applied amount is 25 kilogram of 45% (nitrogen, phosphorus, potassium each 15%) compound fertilizer, transplants applying in latter 30 days 10 public affairs Pound/acre carbamide, late Febuary BOITING STAGE topdress 10 kgs/acre of carbamide;3rd community is blank, does not apply fertilizer;
3) within second day, transplant, by 5000 plants/acre of transplantings, after 10 days, spray cover grass energy controlling weeds;
4) after 20 days, the second community being applied 10 kgs/acre of carbamide, late Febuary BOITING STAGE topdresses 10 kgs/acre of carbamide;
5) in early April, 2015 carries out the prevention and control of plant diseases, pest control to each community, and strengthens the preventing and treating of crop smothering and note ditch cleaning The field management such as dewatering;
6) each community of in mid or late May, 2015 is single receives, and individually counts product, and choose 10 strain Brassica campestris L vegetation carry out angle fruit number, Every seed number per pod, the counting of thousand number weights, finally do average analysis, the simultaneously dead strain number quantity of counting.
Table 3 rapeseed cultivation slow release magnetic compound fertiliser material controlled trial structure of output and character table
Community Basic Seedling Plant height cm Every strain angle fruit number Every seed number per pod Mass of 1000 kernel g Dead strain number Theoretical yield kg/ mu Real product kg/ mu
1 5000 187 465 33 3.6 4 234.8 238.11
2 5000 165 330 25 3.6 11 126.2 135.30
3 5000 137 124 17 3.6 81 32.3 34.44
The cell production applying rapeseed cultivation slow release magnetic compound fertiliser material as shown in Table 3 is the highest, per mu yield 238.11 kilograms, The community per mu yield of habits fertilization 135.30 kilograms, community per mu yield of not applying fertilizer only has 34.44 kilograms, so applying rapeseed cultivation with slow Increasing production 102.81 kilograms than habits fertilization mu after releasing magnetic compound fertiliser material, rate of growth is 43.2%, than the per mu yield of not fertilizer treatment Increasing production 203.67 kilograms, rate of growth is 85.5%.Can be seen that applying rapeseed cultivation slow release magnetic compound fertiliser material has significantly Effect of increasing production.
Also known that applying rapeseed cultivation slow release magnetic compound fertiliser material mu every strain angle fruit number reaches 465 by table 3, execute than custom Fertile many 135, many 341 than not applying fertilizer;Every seed number per pod is most to apply rapeseed cultivation slow release magnetic compound fertiliser material, reaches 33 Individual, many 8 than habits fertilization, many 16 than not applying fertilizer.Can be seen that the nutrients release of later stage slow release magnetic compound fertiliser material is sufficient, Promote that cole crop absorbs.
Table 4 rapeseed cultivation slow release magnetic compound fertiliser material controlled trial Economic and Efficiency Analysis table
Supplemental instruction: 1, base manure kind, price: slow release magnetic compound fertiliser 2.9 yuan/kilogram, (N P and K is each in 45% compound fertilizer 15%) 2.7 yuan/kilogram, carbamide 2.2 yuan/kilogram.
2, topdress kind, price: carbamide 2.2 yuan/kilogram.
3 Brassica campestris L prices: 3.65 yuan/kilogram.
4, produce throwing to put into than (all compareing with not applying fertilizer)=mu volume increase value/mu.
As shown in Table 4, what economic benefit (by market net price) was the highest is to apply rapeseed cultivation slow release magnetic compound fertiliser material, Mu net income 724.10 yuan, increases income 341.75 yuan/mu than habits fertilization, increases income 598.39 yuan/mu than not applying fertilizer, and illustrates to apply to delay The utilization rate of fertilizer releasing magnetic compound fertiliser material is high, and increasing both production and income is obvious.Rapeseed cultivation slow release magnetic compound fertiliser material is the most fertile The direction used that material is promoted.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and Equivalent defines.

Claims (6)

1. a rapeseed cultivation slow release magnetic compound fertiliser material, it is characterised in that include that following raw material is made: carbamide 24-28 part, potassium dihydrogen phosphate 18-22 part, precipitated calcium carbonate powder 3-5 part, potassium chloride 10-16 part, humic fertilizer 2-2.5 part, selenium-rich Fertile 0.2-0.5 part, Magnesium sulfate heptahydrate 0.5-1 part, starch ether 1-2 part, fertilizer additive 4-8 part, magnetic carrier 34-40 part.
A kind of rapeseed cultivation slow release magnetic compound fertiliser material the most according to claim 1, it is characterised in that described humic fertilizer Be prepared by the raw materials in: Pond Silt 12-16 part, sewage sludge 12-16 part, bean 6-8 part, distiller grains 1-2 part, Pulvis Talci 3-5 part;Preparation method is to put in fermentation vat after the mixing of each raw material, has been passed through mixed gas, mixing in fermentation vat Gas be nitrogen, argon, carbon dioxide, oxygen in 1:1:1:2 ratio mix, then ferment in sealed fermenting pond, fermentation temperature Degree is 45 DEG C, opens fermentation vat after fermenting 3 days, and fermented product is humic fertilizer.
A kind of rapeseed cultivation slow release magnetic compound fertiliser material the most according to claim 1, it is characterised in that described starch ether For guar gum ether.
A kind of rapeseed cultivation slow release magnetic compound fertiliser material the most according to claim 1, it is characterised in that described fertilizer adds Add agent to be prepared by the raw materials in: tourmaline powder 10-14 part of activation, zeolite powder 10-14 part of activation, nanoscale shell Attapulgite 10-14 part of polysaccharide modification, nano titanium oxide 2-3 part, castor oil polyoxyethylene ether 0.5-1 part, nano-graphite Alkene 1-2 part, tea polyphenols 1-2 part, Oleum Arachidis hypogaeae semen 6-8 part;Preparation method is: by the tourmaline powder of activation, the zeolite powder of activation, nanometer The chitin modified attapulgite of level sends into 200-240 DEG C of kiln roasting 4-5 hour, is then broken into 1-2mm coarse grain;Again by gained Coarse grain adds the mixing of other residual components, pelletize, drying.
A kind of rapeseed cultivation slow release magnetic compound fertiliser material the most according to claim 1, it is characterised in that described magnetic carries Body is the iron selection tailings sand processing 60 80 mesh through efflorescence.
The preparation method of a kind of rapeseed cultivation slow release magnetic compound fertiliser material the most according to claim 1, it is characterised in that Comprise the following steps:
(1) magnetic carrier is processed 30-40 minute under 550 DEG C of high temperature, then with liquid nitrogen, magnetic carrier is cooled to-20 DEG C, After warming naturally to room temperature again, it is milled to 100-150 mesh powder with Raymond mill;
(2) by urea melting, it is subsequently adding surplus stock and step (1) gained powder carries out mixed melting;
(3) tower granulation technique is utilized to carry out pelletize step (2) melt-mixed material;
(4) granulated fertilizer after pelletize is carried out magnetic field process, magnetic field intensity used by adjustable permanent-magnet magnetization treatment machine For 5500-6000 oersted, magnetizing time 5-10 second;
(5) by after the dry materials cooling after magnetization, carry out metering packing by specification, obtain product.
CN201610544105.2A 2016-07-11 2016-07-11 A kind of rapeseed cultivation slow release magnetic compound fertiliser material and preparation method thereof Pending CN106187587A (en)

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CN107011409A (en) * 2017-05-19 2017-08-04 卢松 Amino acid fermentation discards the handling process of thalline
CN107251994A (en) * 2017-06-22 2017-10-17 江西省农业科学院畜牧兽医研究所 A kind of preparation method of sweet potato residue fermented feed
CN108358710A (en) * 2018-05-03 2018-08-03 续长桢 A kind of compound fertilizer and preparation method thereof for green cucumber
CN108690625A (en) * 2018-04-28 2018-10-23 上海市环境科学研究院 It is a kind of to be used to handle sustained release complex repairation medicament of Persistent halogenated hydrocarbons in soil and preparation method thereof
CN112759476A (en) * 2021-03-23 2021-05-07 荆门新洋丰中磷肥业有限公司 Special slow release fertilizer for resisting diseases and improving quality and yield of rapeseeds and preparation method thereof
CN113387741A (en) * 2021-04-27 2021-09-14 株洲太阳元绿色农村发展有限公司 Liquid fertilizer for increasing content of beta-glucan in rice and preparation method and application thereof

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CN103724094A (en) * 2013-11-28 2014-04-16 苏州负碳谷材料科技有限公司 Slag slow release compound fertilizer and preparation method thereof
CN103724096A (en) * 2013-11-28 2014-04-16 苏州负碳谷材料科技有限公司 Ore slow release compound fertilizer and preparation method thereof

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CN102531759A (en) * 2010-12-13 2012-07-04 王海炜 Slow-release composite fertilizer
CN102617227A (en) * 2012-03-22 2012-08-01 安徽金蓼复合磁化肥有限公司 Slowly-released magnetized compound fertilizer and preparation method thereof
CN103724094A (en) * 2013-11-28 2014-04-16 苏州负碳谷材料科技有限公司 Slag slow release compound fertilizer and preparation method thereof
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107011409A (en) * 2017-05-19 2017-08-04 卢松 Amino acid fermentation discards the handling process of thalline
CN107011409B (en) * 2017-05-19 2021-04-27 内蒙古阜丰生物科技有限公司 Treatment process of amino acid fermentation waste thalli
CN107251994A (en) * 2017-06-22 2017-10-17 江西省农业科学院畜牧兽医研究所 A kind of preparation method of sweet potato residue fermented feed
CN107251994B (en) * 2017-06-22 2021-07-09 江西省农业科学院畜牧兽医研究所 Preparation method of sweet potato residue fermented feed
CN108690625A (en) * 2018-04-28 2018-10-23 上海市环境科学研究院 It is a kind of to be used to handle sustained release complex repairation medicament of Persistent halogenated hydrocarbons in soil and preparation method thereof
CN108690625B (en) * 2018-04-28 2020-12-15 上海市环境科学研究院 Slow-release composite repairing medicament for treating persistent halohydrocarbon in soil and preparation method thereof
CN108358710A (en) * 2018-05-03 2018-08-03 续长桢 A kind of compound fertilizer and preparation method thereof for green cucumber
CN112759476A (en) * 2021-03-23 2021-05-07 荆门新洋丰中磷肥业有限公司 Special slow release fertilizer for resisting diseases and improving quality and yield of rapeseeds and preparation method thereof
CN113387741A (en) * 2021-04-27 2021-09-14 株洲太阳元绿色农村发展有限公司 Liquid fertilizer for increasing content of beta-glucan in rice and preparation method and application thereof

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