CN104788209A - Carbon-based bioactive ecological fertilizer and production method thereof - Google Patents
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Abstract
The invention discloses a carbon-based bioactive ecological fertilizer and a production method thereof. A microbial biomass carbon substrate is adopted as a carrier, and profitable soil microorganisms, organic matters and trace elements are added as a core active fertilizer source. The ecological fertilizer is characterized by comprising the following substances in percentage by weight: 40 to 45 percent of biomass carbon, 8 to 12 percent of magnesia lime, 7 to 14.5 percent of dry mold-free cow dung, 8 to 13 percent of bone meal, 7 to 11 percent of bentonite, 2 to 5 percent of pyroligneous liquor, 2 to 4 percent of trace element, 0.1 to 0.5 percent of active factors and 0.5 to 1 percent of an organic fungicide. According to the ecological fertilizer, organic matters of soil can be improved, the porosity of the soil can be improved, the volume weight of the soil can be reduced, the moisture and fertilizer retention capability of the soil is improved, the alkaline soil is improved, nutrients in the soil are supplemented, pathogenic bacteria in the soil are purified, the disease resistance of crops is improved, and in addition, residues of chemical pesticides and chemical fertilizers in the soil can be decomposed.
Description
Technical field
The invention belongs to fertilizer field, relate to a kind of charcoal based bioactive Eco-fertilizer and preparation method thereof.
Background technology
In China, along with living standards of the people improve constantly, after problem of food and clothing solves substantially, high yield and high quality agricultural-food and hygiene and health food have become the active demand in current social and agriculture production.For this reason, the Ministry of Agriculture held Organic food working conference in 2000, to promote the Development and Production of Organic food.Current meeting has started a Green Revolution in China's agricultural and food-processing industry.State Council points out about the file developing Organic food: " exploitation Organic food, for preserving the ecological environment, improves agricultural product quality, promotes development of food industry, promotes HUMAN HEALTH, and the increase export of farm produce is earned foreign exchange and all had profound influence ".State Council clearly proposes will promote " ecological agriculture " in ten large countermeasures of China's ecological environmental protection.In order to develop eco-agriculture, Development and Production is pollution-free " Organic food ", and the fertilizer practice in agriculture production necessary reform, i.e. rational use of chemical fertilizer, walk the development of organic-inorganic compounding application, and bio-feritlizer more should be advocated and develop energetically.Along with China adds " World Trade Organization ", and the requirements at the higher level that next five-year-plan proposes China's environmental resource protection and people's lives healthy water equality aspect.One is reduced chemical fertilizer, the pollution of agricultural chemicals uses, and the epoch greatly developing biological organic fertilizer arrive, at present, in Hesperian agricultural development, chemical fertilizer just replace by new and effective nuisanceless, the pollution-free green fertilizer such as bio-fertilizer, biological organic fertilizer.In current " world commerce integration " process, China's agricultural prods, to be at war with western countries and other national agricultural-food of the world, its primary prerequisite, want promotion and implementation " green non-pollution " fertilizer exactly, by " grain " of farm crop---green non-pollution fertilizer, carry out popularization on a grand scale, enforcement.The developing direction of this not still China's agricultural, after Ye Shi China adds " World Trade Organization ", maximum, the most pressing problem that agriculture production faces.The main source of agricultural pollution is then chemical fertilizer, agricultural chemicals and pollution of waterhead.Regulation agricultural pollution has been the extremely urgent realistic task of in face of governments at all levels one of pendulum.
At present, the new source of manure all by high-tech means, is sought in countries in the world, and wherein charcoal base biological and ecological fertilizer is the emphasis of research.Along with the progress of microorganism field science and technology, various countries Agricultural Scientist generally believes, fertilizer will to future development that is efficient, compound, namely should seek a kind of Novel carbon base biological and ecological fertile, not only by nitrogen, phosphorus, potassium and trace element with the use of, and gac to be combined with microorganism fertilizer and fertilizer, play global advantage, to set up optimum farmland's ecocycle system and crop alimentary combined system, make full use of Soil capabilities, reach and make crop yield increase income best effect.
Soil is made up of mineral substance, organic matter and microorganism three parts, is the basis of crop growthing development.Soil mineral is the main body of soil material composition, and being the matrix of plant-growth, is again the main source of plant inorganic nutrients.Organic matter is the important substance basis of fertilizer provision from soil, fertilizer conservation, is again the necessary composition forming soil aggregate and keep soil from packing together.Microorganism is the organism of living in soil, is to transform the indispensable active substance of soil fertility.The soil fertility such as soil microorganisms participates in the conversion of soil material and energy directly, the formation Sum decomposition of soil ulmin, nutrients release, N immobilization are formed and growth course.Therefore, in soil, increase quantity of useful microbe, can soil microbial activities be strengthened, thus improve the fertility of soil.Particularly the microorganism active of farm crop rhizosphere soil micro-ecosystem fauna is even more important to plant root nutrition.
The advantage of microbiology class fertilizer is:
1, use microbiology class fertilizer at rhizosphere, quantity and the activity of useful mushroom in root layer soil can be increased.Effectively can promote the activity of useful mushroom in farm crop rhizosphere soil micro-ecosystem fauna at rhizosphere application of organic fertilizers material, thus increase soil fertility.A large amount of Plant hormones regulators,gibberellins and chtokinin material can be produced in the vital movement process of microorganism in microbial fertilizer in its fermentation and soil, these materials are after contacting with root system of plant, can plant growth be stimulated, regulate crop metabolism, thus produce effect of increasing production.Microorganism in microbial fertilizer is in plant root raised growth, breeding, and form dominant bacteria, suppress and decrease the breeding chance of pathogenic bacteria, the effect also with antagonism pathogenic bacteria had, serves the effect alleviating crop pest.Thus reduce the use of agricultural chemicals, reduce production cost.
2, use organic class fertilizer at rhizosphere, owing to containing abundant organic matter, a certain amount of available nitrogen, phosphorus, potassium and trace element in organic fertilizer, nutrient is more comprehensive.Organic matter is wherein by after microbial activities, and constantly can discharge the nutritive element needed for plant-growth, thus fertilizer efficiency is lasting.Abundant organic matter can also improve soil physical property, increases soil aggregate, thus makes loosing soil, reduces soil compaction, is conducive to water conservation, fertilizer conservation, ventilation and the development of promotion root system, for farm crop provide comfortable growing environment.
Biomass charcoal class fertilizer is used, because the biomass charcoal in biomass charcoal base manure material is the class height aromatize infusibility solid matter produced through pyrolysis charring when anoxic wholly or in part by plant biomass at rhizosphere.The elementary composition of biomass charcoal mainly comprises carbon (generally up to more than 60%), hydrogen, oxygen etc., is secondly ash content (comprising potassium, calcium, sodium, magnesium, silicon etc.).Biomass charcoal pore texture is flourishing, specific surface area is huge, also has a large amount of surface negative charges and the characteristic of high charge density simultaneously, can adsorb and fix mineral ion in water, soil or settling (as Cu
2+, Zn
2+, Pb
2+, Hg
2+ and NO
3-etc.) and polarity or nonpolar organic compound.Biomass charcoal, as an effective supplementary means of sustainable soil management, improves soil physico-chemical property and biological property to improve the output of crop mainly through following three kinds of modes:
1, the adsorptivity of biomass charcoal is strong especially, and it is as sponge, plays the effect [20] keeping moisture, air and solution in soil.Research finds, biomass charcoal in soil strengthens cationic absorption by the cation exchange capacity improving soil, this is mainly because its surface part can be formed carbonyl, phenolic group and quinonyl by mild oxidation, result of study shows the charcoal adding 2% (w/w) in soil, within 67 days, find the pH value of soil afterwards, the content of organic carbon content and Ca, K, Mn, P obviously raises, illustrate that charcoal has very strong adsorptivity to some elements (as Ca, K, Mn, P).Biomass charcoal can also adsorb NO
3-, NH
3, reduce the ammonia volatilization of soil, improve the fertilizer-preserving ability of soil.Adding of biomass charcoal also can strengthen fabaceous biological nitrogen fixation ability, there are some researches show that applying biomass charcoal can increase soil to NH
3and NH
4+ absorption, reduce N
2the discharge of O and NO
3-loss, thus affect nitrogen cycle.Under physical environment, biomass charcoal adds in forest soil as the residuum that a kind of non-fully is burnt, and edatope can improve.
2, the structure that biomass charcoal is loose porous and huge surface-area are that the microbial growth of special monoid provides hotbed, thus promote the circulation of soil nutrient elements.Research shows the weakly alkaline of biomass charcoal, porousness and the feature of moisture and air can be kept to be that the gathering of microorganism provides condition.Research finds that there is slightly biological using the sole carbon source of black carbon as existence, can explanation that soil can promote a certain monoid microbial growth after adding biomass charcoal, thus can increase soil fertility chronically.The interpolation of biomass charcoal can promote mycorrhizal fungi infecting plant root usually, increases the abundance of mycorrhizal fungi.
3, biomass charcoal is not only the modifying agent of soil, and can play the effect of fertilizer.
4, use biomass charcoal can not only improve soil physico-chemical property, increase soil fertility, can also Adsorption of Heavy Metals (as cadmium, arsenic etc.), reduce plant to the absorption of pollutent, reach the effect of environment remediation to a certain extent.By studying cotton stalk charcoal to Plantula Brassicae chinensis on the repairing effect of cadmium pollution soil and cadmium pollution soil to Cd uptake, its result shows that cotton stalk charcoal can reduce biology by absorption or co-precipitation and effectively utilize Cadmium in Soil; When slight cadmium pollution, cotton stalk charcoal process soil is very fast to the adsorption rate of cadmium, and along with the increase of cadmium pollution degree, adsorption rate is slow gradually, and adsorptive capacity increases gradually; Cotton stalk charcoal obviously can reduce the Cd accumulation amount of the edible portion of Plantula Brassicae chinensis on cadmium pollution soil and root, edible portion cadmium massfraction reduces by 49.43% ~ 68.29%, root reduces by 64.14% ~ 77.66%, illustrate that cotton stalk charcoal has rehabilitating soil cadmium pollution, reduce the effect of Cadmium in Vegetables content, therefore also improve quality of vegetable.In addition, 100% can be reached with the biomass charcoal that cow dung is made to specific absorption plumbous in the aqueous solution.Sludge carbon has good adsorption effect to Hg, and adsorption mechanism mainly comprises the acting in conjunction that physical adsorption, chemisorption, chemical reaction and three combine.Biomass charcoal itself is in weakly alkaline, and after soil adds biomass charcoal, pH value raises, and causes soil negative charge to increase, causes the absorption of soil heavy metal also to increase, and then reduce the bioavailability of heavy metal.In addition, because biomass charcoal itself is containing nutrient elements such as nitrogen, phosphorus, potassium, on the one hand, the existence of these elements and heavy metal are formed to be competed, and also promotes plant-growth on the other hand.Soil after simultaneously adding biomass charcoal also shows the absorption to pesticide residue, thus reduces the pollution to underground water.
Fertilizer is the grain of farm crop, is the requisite basic means of production in agriculture production.But, the most area of China has made ecological environment of soil, soil physical and chemical property and soil microflora receive destruction in various degree because of long-term application chemical fertilizer, especially simple substance chemical fertilizer is too much used, make Nutrient Elements in Soil serious disproportion, fertility supply capacity declines, and soil compaction aggravates, and rhizosphere soil microorganism dominant population reduces in a large number, and to a certain extent pollution is caused to quality of agricultural product, make product be difficult to reach the requirement of pollution-free food.Along with the progress of biomass energy source domain and microorganism field science and technology, various countries scientist generally believes, fertilizer to future development that is efficient, compound, namely will should seek a kind of new-type fertilizer that biomass charcoal can be integrated in one with organic and microbial fertilizer global advantage.
Summary of the invention
The object of this invention is to provide a kind of take biomass charcoal as the biological activity Eco-fertilizer of matrix, effectively can solve heavy metal in soil and pollute the problem that the impact of crop, soil compaction, soil fertility are reduced, also soil acidity or alkalinity can be improved simultaneously, especially the improvement of northern acid soil is benefited, really accomplish pollution-free, can also CO be reduced simultaneously
2and N
2the quantity discharged of O.
The technical solution adopted in the present invention is: with soil beneficial microorganism (include fixed nitrogen, phosphorus decomposing, potassium decomposing effect and stimulate the mushroom of plant growth disease-resistant function) and organic and trace element for the core active source of manure, think biomass charcoal medium carrier composition biological activity fertilizer.
A kind of charcoal based bioactive Eco-fertilizer, with microbial biomass charcoal medium carrier, add soil beneficial microorganism and organic matter and trace element as the core active source of manure, it is characterized in that: the material proportion of this Eco-fertilizer is: biomass charcoal accounts for 40%-45% by weight, magnesia lime accounts for 8%-12%, drying accounts for 7%-14.5% without mould cow dung, bone meal accounts for 8%-13%, wilkinite accounts for 7%-11%, pyroligneous liquor accounts for 2%-5%, trace element accounts for 2%-4%, and active factor accounts for 0.1%-0.5%, and organic microbial inoculum accounts for 0.5%-1%.
Wherein microorganism core and medium carrier can according to different areas, and different habitant condition is suited measures to local conditions assembly.Such as: the general nitrogen stress of China's soil, be namely core with vinelandii, lack phosphorus, potassium deficiency area with addition of phosphorus bacteria, B. mucilaginocus, the area having soil germ to cause harm can add the special fertilizer that disease-resistant vinelandii etc. make multiple formulation.
Organic substance part can suit measures to local conditions to select different material.Use the soil compaction area of chemical fertilizer all the year round, can select and be rich in the organic organic matter such as peat soil (turfy soil), pond sludge, river silt, garbage sludge, agricultural byproducts waste, microbiobacterial agent, reodorant, promotor, stablizer, synergistic agent etc. are added after High Temperature Sterilization, the principle that rests on a scientific basis is filled a prescription, after fermentation propagation, make fertilizer.
Charcoal medium carrier part also can select different material according to local heavy metal pollution of soil situation.Such as: what be mainly cadmium pollution in soil selects cotton stalk charcoal, and cotton stalk charcoal has rehabilitating soil cadmium pollution, reduce the effect of Cadmium in Vegetables content, therefore also improve quality of vegetable.Be mainly the selected cow dung charcoal of Lead contamination in soil, the biomass charcoal made with cow dung can reach 100% to specific absorption plumbous in the aqueous solution.The rice hull carbon selected and the sludge carbon of mercury pollution is mainly in soil, wherein rice hull carbon can effectively remove Hg ion in waste water, time suitable to the adsorption effect ratio of Hg, efficiency can reach 95%, sludge carbon has good adsorption effect to Hg, and adsorption mechanism mainly comprises the acting in conjunction that physical adsorption, chemisorption, chemical reaction and three combine.
Charcoal based bioactive Eco-fertilizer, also can according to different habitant condition with addition of a small amount of trace element except biomass charcoal, organic matter and microorganism.Corresponding trace element is added as the soil for the trace element such as scarce zinc, molybdenum.Add the trace element of bio-feritlizer, owing to fermenting with organic fertilizer resource and agent complex, can not cause fertilizer residue public hazards, this kind of fertilizer is not only suitable for general farmland fertilization, is more suitable for " ecological food " production ecological fertilizer.
Active factor is a kind of vegetable cell activating agent, the cuticular permeability in blade face can be increased, improve the infiltration rate of nutritive element and the utilization ratio of leaf dressing, the breathing of blade can be increased, expand pore, fertilizer is made to enter pore more, faster, improve fertilizer efficiency, can promote that plant leaf becomes exhibition, becomes large, thickening, increase blade to the contact surface of nutritive element, contact surface is larger, blade to nutritive element can yield just higher.Aim, active factor and fertilizer composite after, Plant To Nutrient element absorption is good, instant effect, and simultaneously can remove antagonistic action, detest inorganic disease, regulate nutritive equilibrium, fertilizer efficiency doubles.Crop root can be made flourishing, blade plump dark green glossy, stem thick bar strong, Fruit, speed fast, bright in colour, listing ahead of time.
Useful microbial inoculum contains a large amount of beneficial microorganism, in profitable strain and soil, the symbiosis such as actinomycetes is grown altogether, form good crop growth environment, improve the fertile matter of soil, thoroughly improve soil property, can Organic residues be decomposed, form agron, improve Soil structure and physicochemical character, can be available nutrient by nonabsorbable for plant Substance Transformation, utilize for plant absorption.Improvement Soil structure, increases soil fertility, reduces chemical fertilizer, Pesticide use amount year by year.The test of relevant R&D institution of China shows: compared with chemical fertilizer; EM beneficial microorganism+excrement makes soil effective K improve 5%; rapid available phosphorus improves 31.2%; full nitrogen improves 15.5%; and soil is planted more fertile and more fertile; useful animalcule (earthworm etc.) doubles, and infiltration, water conservation, venting capability strengthen, and promote pellet.Be used in conjunction three, five years, after soil ecology, physics, chemical property thoroughly improve, can zero tillage be realized.
Magnesia lime is the calcium carbonate fertilizer containing magnesium, the long-acting modifying agent of acid soil.Alkaline components content more than 60%, solubility magnesia content more than 30%.For the soil Mg supplementation content that Mg content is few; In and acid soil, contribute to pellet formation; Be conducive to the growth of fruit, improve output, in addition, crop good in color, smell and taste can be gathered in the crops; Owing to helping phosphoric acid to absorb, make the color of plant flowers, leaf all very bright-coloured; Decompose the organism in soil, promote the inorganization of nitrogen, promote soil vitality.
Drying contains crude protein 10%--20% without in mould cow dung, and crude fat 1%--3%, nitrogen-free extract 20%--30%, robust fibre 15%--30%, therefore has very high nutrient.Research finds that fertilizer efficiency is good, safe and convenient to use after dry cow dung by fermentation, can not cause to burn root and burn seedling phenomenon, can also culture fertility, improves chemical fertilizer utilization ratio etc., can become the organic fertilizer product of high-quality.It also has the fluffy soil of energy, improves hardening soil situation, the effects such as the trace element in chelating soil.
Be rich in nitrogen, phosphorus, potassium in bone meal, their per-cent is 4: 22.5: 0.2, and containing 24% calcium in another bone meal, be mixed in compost or barnyard manure and use after fermentation, can improve fertilizer efficiency, be good crop fertilizer.
Wilkinite is a kind of inorganic mineral/organic ammonium mixture, take wilkinite as raw material, utilize the lamellar structure of montmorillonite in wilkinite and swellingly in water or organic solvent can be dispersed into colloid clay characteristic, inserting organic insulating covering agent by ion exchange technique and make.Organobentonite can form gel in all kinds of organic solvent, oils, liquid resin, has good thickening property, thixotropy, suspension stability, high-temperature stability, oilness, film-forming properties, water tolerance and chemical stability.
Pyroligneous liquor is the natural marrow extracted from biological material, includes the 200 gas chromatography matter such as acids, alcohols, phenols, ketone, is a kind of component complexity, diverse in function and metastable system material.Due to the natural overall equilbrium mechanism of action of micro substance active factor numerous in wood vinegar, show mysterious usefulness in actual applications: wood vinegar has sterilization, controls worm, disease-resistant, improve water and soil beneficial microorganism active, promote the effects such as plant growth, use as green nuisance free pesticide, micro-fertilizer, crop yield and quality can be improved.
Production technique: production sequence of the present invention is the same with common fertilizer, comprise mix and stir, fragmentation, stirring, granulation, oven dry, the step such as screening, technique is simple, reduce investment outlay, applied range, product strength are large, is easy to packed and transported.
The invention has the beneficial effects as follows: the unit weight that can improve the soil organism, increase the voidage of soil, reduce soil, improve the ability of soil water-reataining fertilizer-keeping simultaneously and improve saltings, supplement the nutriment in soil, pathogenic bacterium in purification soil, improve the disease resistance of farm crop, the residuals of soil chemistry agricultural chemicals and chemical fertilizer can also be decomposed simultaneously.Heavy metal (mercury, chromium, cadmium, lead and metalloid arsenic) in Absorbable rod soil, reaches no pollution zero release, purification crop growth environment, environmental protection.Promote plant growth, improve output, improve sugar degree, improve the effects such as product quality.Be current development natural agriculture, green agriculture, Organic farming, Appropriate application natural resources, save energy, environment purification and production green non-pollution food etc. have important effect, are the new ways of China's agricultural development.
Embodiment
Table 1 is China's organic fertilizer standard;
Table 2 is the requirements of biological organic fertilizer technical target of the product.
Table 3 is biological organic fertilizer product 5 heavy metal species limitation technical requirements unit: mg/kg
| Project | Limit index |
| Total arsenic (As) (in butt) | ≤15 |
| Total cadmium (Cd) (in butt) | ≤3 |
| Total lead (Pb) (in butt) | ≤50 |
| Total chromium (Cr) (in butt) | ≤150 |
| Total mercury (Hg) (in butt) | ≤2 |
1. the preparation of biomass charcoal and pyroligneous liquor: biomass straw charcoal " utilizes (organic wastes) such as biomass straws to carry out the upgrading comprehensive utilization project of oil, gas, charcoal, electricity, fertile coproduction " by biomass straw (comprising maize straw charcoal, cotton stalk charcoal, rice hull carbon, cow dung charcoal, sludge carbon etc.) by my company to prepare.
2. the dry preparation without mould cow dung and bone meal: cow dung need add microbial fertilizer starter when fermentation, adds bone meal simultaneously and together ferments, can complete the thorough deodorization of cow dung, fermentation maturity, Pesticidal and sterilizing process for general 3 ~ 7 days.
3. fertiliser production: biomass charcoal (comprising maize straw charcoal, cotton stalk charcoal, rice hull carbon, cow dung charcoal, sludge carbon etc.) accounts for 40%-45% by weight, magnesia lime accounts for 8%-12%, drying accounts for 7%-14.5% without mould cow dung, bone meal accounts for 8%-13%, wilkinite accounts for 7%-11%, and pyroligneous liquor accounts for 2%-5%, and trace element accounts for 2%-4%, active factor accounts for 0.1%-0.5%, and organic microbial inoculum accounts for 0.5%-1% and prepares burden.
4. pulverize, sieve, mix: by batching after pulverizing 60-80 mesh sieve, then be uniformly mixed.
5. granulation, packaging: during granulation, add the pyroligneous liquor of 2%-5% in preparing burden, after adding moisture mediation, and warm air drying below 105 DEG C, packaging after being cooled to less than 28 DEG C in air.
Claims (8)
1. a charcoal based bioactive Eco-fertilizer, with microbial biomass charcoal medium carrier, add soil beneficial microorganism and organic matter and trace element as the core active source of manure, it is characterized in that: the material proportion of this Eco-fertilizer is: biomass charcoal accounts for 40%-45% by weight, magnesia lime accounts for 8%-12%, drying accounts for 7%-14.5% without mould cow dung, bone meal accounts for 8%-13%, wilkinite accounts for 7%-11%, pyroligneous liquor accounts for 2%-5%, trace element accounts for 2%-4%, and active factor accounts for 0.1%-0.5%, and organic microbial inoculum accounts for 0.5%-1%.
2. charcoal based bioactive Eco-fertilizer as claimed in claim 1, is characterized in that: described beneficial microorganism can for having fixed nitrogen, phosphorus decomposing, potassium decomposing effect or stimulating the mushroom of the disease-resistant function of plant growth.
3. charcoal based bioactive Eco-fertilizer as claimed in claim 1, it is characterized in that: described organic matter can add microbiobacterial agent, reodorant, promotor, stablizer, synergistic agent for peat soil, pond sludge, river silt, garbage sludge or agricultural byproducts waste after High Temperature Sterilization, then make after fermentation propagation.
4. charcoal based bioactive Eco-fertilizer as claimed in claim 1, is characterized in that: cotton stalk charcoal can be selected as main microbial biomass charcoal medium carrier for the soil being mainly cadmium pollution.
5. charcoal based bioactive Eco-fertilizer as claimed in claim 1, is characterized in that: cow dung charcoal can be selected as main microbial biomass charcoal medium carrier for the soil being mainly Lead contamination.
6. charcoal based bioactive Eco-fertilizer as claimed in claim 1, is characterized in that: rice hull carbon and sludge carbon can be selected as main microbial biomass charcoal medium carrier for the soil being mainly mercury pollution.
7. charcoal based bioactive Eco-fertilizer as claimed in claim 1, is characterized in that: can also add zinc microelement or molybdenum trace element in this Eco-fertilizer.
8. one kind makes the method for the charcoal based bioactive Eco-fertilizer as described in any one of claim 1-7:
(1) biomass charcoal is prepared;
(2) the dry preparation without mould cow dung and bone meal: cow dung need add microbial fertilizer starter when fermenting, and adds bone meal simultaneously and together ferments, need can complete the thorough deodorization of cow dung, fermentation maturity, Pesticidal and sterilizing process for 3 ~ 7 days;
(3) fertiliser production: biomass charcoal accounts for 40%-45% by weight, magnesia lime accounts for 8%-12%, drying accounts for 7%-14.5% without mould cow dung, bone meal accounts for 8%-13%, wilkinite accounts for 7%-11%, and pyroligneous liquor accounts for 2%-5%, and trace element accounts for 2%-4%, active factor accounts for 0.1%-0.5%, and organic microbial inoculum accounts for 0.5%-1% and prepares burden;
(4) pulverize, sieve, mix: by batching after pulverizing 60-80 mesh sieve, then be uniformly mixed;
(5) granulation, packaging: during granulation, add the pyroligneous liquor of 2%-5% in preparing burden, after adding moisture mediation, and warm air drying below 105 DEG C, packaging after being cooled to less than 28 DEG C in air.
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2015
- 2015-04-22 CN CN201510193502.5A patent/CN104788209A/en active Pending
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Application publication date: 20150722 |