CN101045661A - Soil water collecting increasing agent prepared by straw charcoal and production method thereof - Google Patents
Soil water collecting increasing agent prepared by straw charcoal and production method thereof Download PDFInfo
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Abstract
A water and fertilizer retaining agent of soil for increasing the yield of crops (more than 10%) is proportionally prepared from charred stalk, clay, potassium bihydrogen phosphate, diammonium phosphate, rape dregs, urea, high-fat film, and the mixture of crop' s straw and stalk. Its preparing process is also disclosed.
Description
Technical field
The present invention relates to a kind of agent for soil expansion and increment and preparation method thereof, particularly a kind of agent for soil expansion and increment and production method thereof of utilizing straw charcoal for feedstock production is for put agricultural resources to rational use has been opened up a new way.
Background technology
1. China's straw charcoal present situation
Charcoal is widely used in industries such as chemical metallurgy, fireworks and firecrackers, warming, dry fruit processing, food barbecue, and requirement increases day by day.With timber is the raw material production charcoal, the cost height, the cycle is long, and at present close hillsides to facilitate afforestation in various places, inaccurate indiscriminate felling of trees is wide because of the charcoal purposes, sales volume is big, always remain incessant after repeated prohibition, havoc the local forest reserves and the eubiosis, suffer heavy losses.Produce charcoal with crop material, do not destroy the national forest reserves, preserve the ecological environment, turn waste into wealth, solved this hard nut to crack.The stalk of farm crop, contain nutritive elements such as the essential carbon of a considerable amount of crops, nitrogen, phosphorus, potassium, both can be used as feed, again can direct returning to farmland as organic fertilizer resource, have the physicochemical character and the biological character that improve soil, increase soil fertility, increase effects such as crop yield, be a kind of Biological resources of preciousness, should be advocated energetically.But, many areas after farm crop results, for convenience, on the spot with its burning.The phenomenon of burning trees, farm crop happens occasionally, and main is that environment has been caused severe contamination.Various crop material combustiblematerialss need not pulverized, and directly charing just can be made into charcoal in one hour.The straw charcoal raw material is extensive, and product performance are better than common charcoal, and be the twice of common charcoal combustion time, and carbon containing is good, nonpoisonous and tasteless, does not smokelessly have residue, and end-use is wide.
2. external straw charcoal comprehensive utilization present situation
In the agriculture production, the large-tonnage product of farm crop is to rely on agricultural chemicals and chemical fertilizer to a great extent.Present agricultural chemicals, the harm of chemical fertilizer is familiar with by increasing people, and life-time service can destroy edatope, the soil microorganisms extinction, soil fertility descends.For seeking the Xin Nongfa that shows consideration for environment, use the peasant household of charcoal (powder) more and more many in Japan, Korea S, the U.S. and some countries of Europe.They wood charcoal powder is applied in farm crop such as vegetables, fruit tree, flowers, potato or livestock industry and human medicinal on, be described as the 21 century green food.This Xin Nongfa just widelys popularize abroad; " 15 mu spring and autumn king Chinese cabbage " have been planted with wood charcoal powder by only Shandong Province in 2005 Fu Hua of Anqiu City Food Co., Ltd of domestic discovery;, be up to the standards and all purchase and export by the international Organic food improvement OCIA of association standard by Japanese businessman.
3. domestic straw charcoal comprehensive utilization present situation
Charcoal is put into the root of plantation farm crop, be sprinkling upon the field, its particle can improve soil air and moisture circulation, and the mineral substance to containing in the charcoal, is dissolved in to promote plant growth in the soil.In the ancient times of China, people place charcoal at one's side, can prevent oxidation, aging and corrupt.Tomb of Han dynasty in Mawangdui that on January 16th, 1972 was unearthed in Changsha, soft marquis madam's corpse are able to be stale-proof in thousand, because be buried in 5 tons the charcoal, have benefited from carbon element supplies electrons year in year out exactly, have prevented the intrusion of subterranean pest-insect, bacterium simultaneously effectively.The men of old cuts potato with cutter and is stained with charcoal and sows, be ancestors find out be stained with grey method, played sterilization, sterilization and rot-resistant three and acted on greatly.The luxuriant Li Tanchang of in September, 2005 Luliang County monarch is in 2 groups of Su Dean vegetable grower families of Luliang overseas Chinese farm, with 0.9 mu of achieving success of powdered carbon planting vegetable, continue after plant 4 mu again.
3.1 charcoal purposes agriculturally
(1) improve the soil: the root farm crop applies charcoal (powder), has the air permeability of good water-permeable or enhancing soil.Soil aeration is good, and oxygen is supplied with fully, and the quantity of new root is many under good moisture and nutrient condition.On the charcoal surface, can generate simultaneously root grain bacterium, the agricultural soil that form to be fit to plant is more effectively removed the infringement to root of root insect pest such as mole cricket class (mole cricket, draw mqb, mole cricket etc.), cutworm class (being commonly called as grub, cutworm, cutworm, agrotis etc.) and acupuncture needle insects.(2) keep soil moisture: charcoal has the humidity absorption and release function.Charcoal is more than 50% in relative humidity, can adsorb the moisture about 20% rapidly.When crop was subjected to arid, the moisture of soil was supplied with plant absorbing around it also absorbed.Can regulate the upgrowth situation of crop by means of soil moisture content, promote the healthy and strong growth of crop, in good time ripe and harvested.
(3) improve ground temperature.At the growing period of field crop, spread powdered carbon to surface and the root of crop, because the black carbon granule absorbs solar thermal energy, the crop soil moisture is raise.
(4) crop had the radiation effect of far infrared rays
The raw-material timber person's character of charcoal is warm, in case char, has more warm property, is the effect of the far infrared radiation function that has of charcoal.This radiation effect can promote the intravital material cycle of crop.Be used for vegetables, it is green that blade is, and it is white partially that the blade of not executing powdered carbon is purple.The vegetables of the luxuriant Li Tanchang test of monarch, listing in advance on the time.
(5) sustained release dosage of agricultural chemicals and fertilizer
Utilize the adsorption function of charcoal, make agricultural chemicals and fertilizer content keep an equilibrium state, utilize this balance that agricultural chemicals or the equal slowly-releasing of fertilizer are put, be made for thing and normally absorb.Thereby the minimizing agricultural chemicals, the loss of chemical fertilizer, solving in the process of crop growth has " grain " to be unable to finish, and does not have the symptom that " grain " does not grow.
(6) has the charcoal of wood vinegar
Can remove pesticide injury, recover normally fertility, effectively prevent and treat tobacco virus, and can improve soil physico-chemical property, help to prevent and treat the soil disease and pest.
In addition, charcoal also can increase soil CO2 content, poisonous metal in the absorption soil; Strengthen the vigor of soil microorganisms.
3.2 charcoal is in the purposes of industrial aspect
(1) metallurgy
The pig iron that charcoal is smelted generally has fine-grain structure, and foundry goods is tight, does not have the characteristics of crackle, and the pig iron of producing with charcoal is impure few, is suitable for production high-quality steel.In non-ferrous metal was produced, charcoal was commonly used for surperficial fusing assistant, both can reduce the spatter loss of molten metal, can reduce the saturation ratio of gas in the melts again.A large amount of charcoals also are used for silicon metal production, but the charcoal that the production silicon metal is used should not contain living charcoal head and too much ash content.
(2) chemical industry
Every requirement surface has higher hardness and wear resistance, and the center has all steel work of excellent toughness and all will carry out carburizing.The carbonaceous mixture that is used for steel work is carried out carburetion is called carburizing agent.Charcoal adds the contact substance of some amount again as raw material, makes carburizing agent.Charcoal is a best raw material of making dithiocarbonic anhydride, is used for making the charcoal of dithiocarbonic anhydride, should be hard, volume is great, ash content and moisture content are little, fixed carbon content height.
Can also be in the application aspect medicine, makeup, the environmental protection.
3.3 charcoal is in the purposes of sphere of life
(1) people's charcoal heating commonly used, fuel, particularly machine-made charcoal that barbecue, chafing dish are used, owing to have smokelessly, nontoxic, heat is big, combustion time is long, so more and more be subjected to people's favor.
(2) countless in length and breadth holes is arranged on the charcoal, the function that these holes have the various materials of absorption and put out the material that is adsorbing is so people make dehumidizier with it.The charcoal brick has water absorbability and water-absorbent is little, than advantage great and that calorific value is high, when humidity, charcoal can absorb moisture, in the time of exsiccant, its can provide the humidity that has absorbed out, thereby the effect of humidity is regulated in performance with flying colors.In addition, charcoal can also be eliminated smell in the room and objectionable impurities etc.
(3) the porousness charcoal not only can hold and stay the required moisture of plant root, can also improve the ventilation property and the drainage of soil, for the microorganism that is of value to plant provides good living space, therefore in the flowers and trees potting soil, mix the into charcoal of 5%～10% beans size, can provide healthy growing environment for plant.And the garden trees then strengthen very strong diseases and insect pests resistance.Current finishing theory has begun to note the characteristics of environmental protection, nature, health, hommization.Ornamental charcoal utilizes objectionable impuritiess such as resting on airborne benzene after the absorption decoration of charcoal hole; In family's environment-friendly decorative, utilize slight space in the porousness charcoal hole, add pugil soil, just can bring out a potted landscape in great numbers; In addition, charcoal can also be put into fish jar planar water impurity.Charcoal can also help to preserve food, as making reodorant with it on the refrigerator.
4. charcoal significance of application
At present, country advocates and builds economical and environment-friendly society, more need to improve constantly agricultural output and quality, and be the direction of new agricultural development.Simultaneously, country constantly encourages all kinds of scientific and technological personage's autonomous innovations again, promotes the progress of science and technology, and charcoal is applied in the agriculture production, realizes that the agricultural sciences view of development will produce profound significance.
(1) improves soil efficient.Soil fertility descends, and is a ubiquitous problem.How improving the soil, overcome continuous cropping obstacle, strengthen the ventilation property of soil, improve the acid-basicity of soil, is a current big problem.
(2) solve the harm of underground pests effectively to crop.Three large propagation modes of disease and pest: air, water, soil.Charcoal has sterilization, resists the effect that subterranean pest-insect is invaded, and stops the propagation of bacterium from the water source; Soil is improved, reached and reduce the insect pest purpose.
(3) effective way of change physiological disturbance.Lack certain element and certain element in the soil and too much cause poisoning; Excess moisture or very few; The poisoning of agricultural chemicals and environmental pollution or the like, charcoal can adsorb the toxin that is deposited in the soil, can adsorb the poisoning that remains in the farmland etc., uses if mix with charcoal, wood vinegar and other, can be the effective way of current change physiological disturbance.
Summary of the invention
The object of the invention is to provide a kind of agent for soil expansion and increment and production method thereof of straw charcoal preparation, this method raw material adopts straw charcoal, clay and farm crop mixed straw waste, can clean produce the new soil compatibilizer of the favourable ecological agriculture, can be widely used in the ecological agriculture water-saving engineering, help making full use of natural rainfall, preserve moisture and fertility, increasing both production and income.
For achieving the above object, the present invention takes following technical scheme:
A kind of agent for soil expansion and increment of straw charcoal preparation, it is characterized in that, this agent for soil expansion and increment that makes is made up of following raw material and weight percent thereof: straw charcoal: clay 10%～20%: potassium primary phosphate 25%～35%: diammonium phosphate 10%～20%: rape slag 15%～20%: urea 10%～15%: 1%～3%, high fat film: farm crop mixed straw 1%～2%: 10%～18%, the per-cent sum of above-mentioned raw materials is 100%.
The preparation method of above-mentioned agent for soil expansion and increment, it is characterized in that, it is main raw material that this method is selected for use through the discarded fragment of brick mortar of sieving and grading and earth, and adds potassium primary phosphate, diammonium phosphate, rape slag, stalk, urea, high fat film, specifically comprises the following steps:
At first, be ground to after crushed below the 1mm, cross 20 mesh sieves, obtain the straw charcoal powder the straw charcoal impurity elimination;
Again with the auxiliary material clay, potassium primary phosphate, diammonium phosphate, the rape slag, the farm crop mixed straw is air-dry, and separated pulverizing also is ground to below the 1mm, and it is standby to cross 20 mesh sieves;
With straw charcoal 10%～20%, clay 25%～30%, potassium primary phosphate 10%～20%, diammonium phosphate 15%～20%, rape slag 10%～15%, urea 1%～3%, high fat film 1%～2%, crop mixed straw 10%～18% mix, stir, through granulating, packing promptly.
The comprehensive utilization ratio that the agent for soil expansion and increment that adopts the present invention to prepare can fully improve the farmland stalk turns waste into wealth.With the soil water-reataining fertilizer-keeping agent of its preparation, can improve efficiency of water application more than 10%, more can increasing both production and income.Prove that through experimental study the water-reataining fertilizer-keeping agent of the present invention's preparation is applied to crops such as cotton, the pedosphere water content of liftoff surperficial 20cm-30cm increases 2%, per hectare water saving 900m
3～1000m
3, can increase production more than 12%, the peasant saves 2250 yuan/hm of investment
2～3000 yuan/hm
2Produce 100 tons enterprise daily, year can produce 30000 surplus ton water-reataining fertilizer-keeping agent product, surplus the output value 3,000 ten thousand yuan, save natural rainwater 1,800 ten thousand m
3～3,000 ten thousand m
3Can arrange the 300-500 people of surplus rural labor force, ten thousand yuan of increasing peasant income 300-500, annual product can use 2,000,000 hectares of land areas, 7,500 ten thousand yuan of increasing both production and income.Therefore have good social benefit, environmental benefit and ecological benefits.
Description of drawings
Fig. 1 is preparation method's process flow sheet of the present invention;
Fig. 2 is base mateiral soaking effect figure;
Fig. 3 is a base mateiral water conservation design sketch;
Fig. 4 is the influence figure of water-reataining fertilizer-keeping agent to the seedling dry weight.
The present invention is described in further detail below in conjunction with embodiment that accompanying drawing and contriver provide.
Embodiment
Agent for soil expansion and increment of the present invention is meant the improving conservation ability and promoting absorption ability that can effectively improve soil aggregate, increase the soil active porosity, suppresses the soil surface invalid evaporation, effectively improves the matrix material of soil water retention water retention capacity.
Below be the embodiment that the contriver provides; need to prove that these embodiment are the more excellent example of the present invention; the present invention is not limited to these embodiment; those skilled in the art is according to scheme disclosed by the invention; the equivalence that technical characterictic is wherein done is replaced, added, all be included in protection scope of the present invention.
Embodiment 1:
The agent for soil expansion and increment of present embodiment, form by following raw material and weight percent thereof: the straw charcoal powder: clay 10%: potassium primary phosphate 30%: diammonium phosphate 10%: rape slag 20%: urea 10%: 1%, high fat film: crop mixed straw 1%: 18%.
Make above-mentioned environmental protection soil water-reataining fertilizer-keeping agent method, specifically comprise the following steps:
(1) the raw material straw charcoal is ground to below the 1mm (20 order), grinds the back sieving for standby.
(2) again with the auxiliary material clay, potassium primary phosphate, diammonium phosphate, the rape slag, mixing crop materials etc. are air-dry, pulverize, and grind, and it is standby to cross 1 millimeter (20 order) sieve.
(3) with the straw charcoal powder: clay 10%: 30%, potassium primary phosphate 10%, diammonium phosphate 20%, rape slag 10%, urea 1%, high fat film 1%, crop mixed straw 18% mix, and stir.
Nodulizer (adopting green hill, Shandong city nodulizer) through routine is granulated, packing (25 kilograms/bag) can obtain agent for soil expansion and increment.
Above-mentioned crop mixed straw can be the mixture of wheat straw bar and sorghum rod, or the mixture of maize straw and wheat straw bar or the mixture of other crop material.
Embodiment 2:
The composition of present embodiment and embodiment 1 different is raw material is different, and its preparation method is identical with embodiment 1.
Raw material and weight percent thereof consist of: the straw charcoal powder: clay 15%: potassium primary phosphate 30%: diammonium phosphate 15%: rape slag 15%: urea 10%: 2%, and high fat film: crop mixed straw 1.5%: 11.5%.
Embodiment 3:
The composition of present embodiment and embodiment 1 different is raw material is different, and its preparation method is identical with embodiment 1.
Raw material and weight percent thereof consist of: the straw charcoal powder: clay 20%: potassium primary phosphate 25%: diammonium phosphate 18%: rape slag 15%: urea 10%: 1%, and high fat film: crop mixed straw 1%: 10%.
Embodiment 4:
The composition of present embodiment and embodiment 1 different is raw material is different, and its preparation method is identical with embodiment 1.
Raw material and weight percent thereof consist of: the straw charcoal powder: clay 10%: potassium primary phosphate 30%: diammonium phosphate 16%: rape slag 15%: urea 15%: 1%, and high fat film: crop mixed straw 2%: 11%.
Embodiment 5:
The composition of present embodiment and embodiment 1 different is raw material is different, and its preparation method is identical with embodiment 1.
Raw material and weight percent thereof consist of: the straw charcoal powder: clay 15%: potassium primary phosphate 25%: diammonium phosphate 15%: rape slag 15%: urea 12%: 3%, and high fat film: crop mixed straw 1%: 14%.
Embodiment 6:
The composition of present embodiment and embodiment 1 different is raw material is different, and its preparation method is identical with embodiment 1.
Raw material and weight percent thereof consist of: the straw charcoal powder: clay 10%: potassium primary phosphate 25%: diammonium phosphate 15%: rape slag 15%: urea 20%: 2%, and high fat film: crop mixed straw 1%: 12%.
Adopt agent for soil expansion and increment of the present invention, the per hectare consumption is 750kg-1500kg.Experiment shows that crops such as cotton can be increased production more than 12%, improves water use efficiency more than 10%, in the arid and semi-arid area, can make full use of natural rainfall, and preserve moisture and fertility is increase soil fertility, and helps ecological protection.
High fat film in the foregoing description is to study success by professor Han Jinsheng of Beijing Agricultural University before 20 years, and using on crops such as fruit tree has certain effect.High fat film is a kind of oily matter, experimental results show that adding an amount of high fat film has certain promoter action to water-retaining effect.
The present invention takes the indoor method that combines with field experiment, and the agent for soil expansion and increment of preparation is verified, experiment is taked base mateiral to pulverize, grind back dress nutrition pot, placed in the porcelain dish method of suction, dehydration voluntarily.Soil repeats four times for contrast, tests 2-3 time continuously, calculates its water-absorbent, rate of water absorption, water-retentivity and dehydration characteristic then.It is preferential that to select suction, water conservation, basic Chu material that dehydration effect is good be the compatibilizer main raw material, auxiliary material is selected inorganic organic fertilizer of favourable improving conservation ability and promoting absorption ability and compound, further pulverize, grind, carry out nutrition pot suction voluntarily, water conservation, dehydration experiment after stirring again, soil is contrast, repeat 4 times, test 2-3 time continuously, calculate water-absorbent, rate of water absorption, water-retentivity and dehydration characteristic then.Preferential suction, water conservation, the improving conservation ability and promoting absorption ability agent prescription that dehydration effect is good selected, carry out the simulated experiment of soil different levels, carry out Different Crop aquatic foods in seedling stage, dry weight evaluation by material behavior and product cost, further test compatibilizer product innovation therefrom screens best prescription and amount of application to the influence of crops seedling stage aquatic foods, dry weight.In this basic Chu, the field experiment of going is again demonstrated.Through the multiple years experiment and demonstration, select the best prescription of effect, processing is produced, and check is promoted in the land for growing field crops.Water conservation, dehydration EXPERIMENTAL EXAMPLE:
The selection of the base mateiral of water-reataining fertilizer-keeping agent is most important, and employed raw material of all compound agentes and auxiliary material all have functions such as suction, water conservation, dehydration.In view of the above, the contriver has designed suction, water conservation, the dehydration experiment of differing texture base mateiral, and experimental result sees Table 1, table 2, Fig. 1, Fig. 2.
| Base mateiral suction table (gram) | Once | Secondary | Three times | Four times | Five times |
| Soil (CK) | 52.13 | 58.38 | 61.33 | 62.49 | 64.92 |
| Straw charcoal | 103.93 | 132.65 | 134.96 | 136.95 | 155.59 |
| Coal gangue | 75.21 | 75.72 | 76.49 | 77.24 | 85.06 |
| Maize straw | 75.90 | 400.15 | 421.55 | 442.45 | 1011.75 |
| Wheat stalk | 94.41 | 543.15 | 601 | 652.25 | 1066.95 |
| Life slag | 97.08 | 124.53 | 126.7 | 128.28 | 133.75 |
| Building waste | 56.86 | 57.88 | 58.76 | 59.29 | 61.4 |
| The Semen Brassicae campestris slag | 72.56 | 93.65 | 95.14 | 95.61 | 182.03 |
Table 2 base mateiral dehydration effect table (gram)
| Soil (ck) | Charcoal | Coal gangue | Maize straw | Wheat stalk | Life slag | Building waste | The Semen Brassicae campestris slag | |
| Water content after six days (g) | 11.098 | 68.098 | 23.426 | 526.215 | 565.363 | 27.403 | 13.39 | 108.444 |
By table 1 table 2, Fig. 2, Fig. 3 as can be known: wheat and maize straw water-absorbent are the strongest, are more than 20 times of weight own; The average water regain of straw charcoal is equivalent to more than 2 times of soil (contrast); After (50 ℃ of temperature, humidity 30%) dehydration in six days, therefore the water content comparison, has certain water-retentivity according to high 6 percentage points; And be the good carrier of diammonium phosphate, potassium primary phosphate; Rape slag water-absorbent is apparently higher than soil (contrast).Therefore, above base mateiral is the quality matetrial of synthetic water-reataining fertilizer-keeping agent.
The experimental studies results of water-reataining fertilizer-keeping agent
After utilizing the synthetic water-reataining fertilizer-keeping agent of base mateiral,, crop (cotton etc.) aquatic foods in seedling stage, dry weight are had good promoter action, see table 3, Fig. 4 for details through experimental study.
Table 3 compound agent different levels is to the influence of cotton seedling dry weight
| Contrast 1 | Formulations reference 2 | Contrast 2 | Prescription 1 | Prescription 2 | Prescription 3 | Prescription 4 | Prescription 5 | Prescription 6 | |
| 1-28CK | 9-12CK | 1-24CK | On average | On average | On average | On average | On average | On average | |
| Seedling dry weight (g/ strain) | 0.039 | 0.046 | 0.064 | 0.064 | 0.048 | 0.062 | 0.069 | 0.063 | 0.068 |
By table 3, Fig. 3 as can be known, utilize straw charcoal to produce water-reataining fertilizer-keeping agent, show in the cotton in seedling stage experimental result, higher 2 percentage points than soil (contrast), the water-reataining fertilizer-keeping agent soil moisture conservation of not only economizing on water is described, and can increase soil fertility, promote cotton seedling growth, increase dry-matter accumulation, therefore, utilize straw charcoal to produce soil water-reataining fertilizer-keeping agent, be undoubtedly water-saving agriculture, an innovative technology of the ecological agriculture.
The technique effect that the present invention brings is:
(1) environmental benefit
Utilize the auxiliary materials such as straw charcoal, urban and rural buildings rubbish, sewage sludge, crop material, active carbon, gangue, rape slag and house refuse, produce the preserve moisture and fertility compoiste fertilizer after mixing, greatly reduce the chance of growing of mosquitos and flies etc., reduce the pathogen time-to-live, cut off pathogen and propagated into human approach, avoided the potential threat of city sewage and sludge secondary pollution and municipal refuse. MSW is back to use in the nature; in the protection urban environment; solved again cause on the agricultural partially execute inorganic fertilizer, make the problems such as soil nutrient is out of proportion, soil degradation, be conducive to the sustainable development of agroecological environment benign cycle and agricultural economy.
(2) social benefit
The farmland stalk is fully fully utilized, produce agricultural compoiste fertilizer, for agricultural sector provides high-quality, inexpensive, efficient ecological fertilizer, crop yield is increased income, turn waste into wealth simultaneously, both developed environmental protection industry, also increased new job opportunity for city, rural area simultaneously.
(3) economic benefit
If carry out business accounting by the production capacity of producing 3000 ten thousand tons per year, the compoiste fertilizer cost price of producing according to the method for this research is 800～850 yuan/tons, and commercially available efficient NPK market price is generally 1100～1200 yuan/tons, can increase by 30,000,000 yuan of output values every year. Therefore the compoiste fertilizer of the present invention's research has preferably economic benefit, and market application foreground is extensive.
Claims (2)
1. the agent for soil expansion and increment of straw charcoal preparation, it is characterized in that, this agent for soil expansion and increment that makes is made up of following raw material and weight percent thereof: straw charcoal: clay 10%～20%: potassium primary phosphate 25%～30%: diammonium phosphate 10%～20%: rape slag 15%～20%: urea 10%～15%: 1%～3%, high fat film: crop mixed straw 1%～2%: 10%～18%, the per-cent sum of above-mentioned raw materials is 100%.
2. the production method of the agent for soil expansion and increment of the described straw charcoal of claim 1 preparation, it is characterized in that, it is main raw material that this method is selected straw charcoal and clay for use, and add potassium primary phosphate, diammonium phosphate, rape slag, crop mixed straw, urea, high fat film, specifically comprise the following steps:
At first with the straw charcoal impurity elimination, classification is ground to below the 1mm after crushed, crosses 20 mesh sieves, obtains the straw charcoal powder, mixes with quantitative clay again;
With the auxiliary material clay, potassium primary phosphate, diammonium phosphate, the rape slag, the crop mixed straw is air-dry, and separated pulverizing also is ground to below the 1mm, and it is standby to cross 20 mesh sieves;
With straw charcoal 10%～20%, clay 25%～30%, potassium primary phosphate 10%～20%, diammonium phosphate 15%～20%, rape slag 10%～15%, urea 1%～3%, high fat film 1%～2%, crop mixed straw 10%～18% mix, stir, through granulating, packing promptly.
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| US7877929B2 (en) | 2007-08-04 | 2011-02-01 | Rezzorb, Llc | Method and apparatus for reducing fertilizer use in agricultural operations |
| CN102071035A (en) * | 2010-12-23 | 2011-05-25 | 陕西科技大学 | Biomass charcoal prepared from straws, preparation method thereof and soil comprising biomass charcoal |
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| CN103626589A (en) * | 2013-11-27 | 2014-03-12 | 安徽省司尔特肥业股份有限公司 | Biomass charcoal-based compound fertilizer special for wheat and preparation method of biomass charcoal-based compound fertilizer |
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| US7877929B2 (en) | 2007-08-04 | 2011-02-01 | Rezzorb, Llc | Method and apparatus for reducing fertilizer use in agricultural operations |
| CN102071035A (en) * | 2010-12-23 | 2011-05-25 | 陕西科技大学 | Biomass charcoal prepared from straws, preparation method thereof and soil comprising biomass charcoal |
| CN102786933A (en) * | 2012-08-10 | 2012-11-21 | 上海师范大学 | Soil anti-illness storage-expanding compatibilizer prepared from mycelium and preparation method thereof |
| CN102786933B (en) * | 2012-08-10 | 2014-12-10 | 上海师范大学 | Soil anti-illness storage-expanding compatibilizer prepared from mycelium and preparation method thereof |
| CN103626589A (en) * | 2013-11-27 | 2014-03-12 | 安徽省司尔特肥业股份有限公司 | Biomass charcoal-based compound fertilizer special for wheat and preparation method of biomass charcoal-based compound fertilizer |
| CN103626589B (en) * | 2013-11-27 | 2015-06-17 | 安徽省司尔特肥业股份有限公司 | Biomass charcoal-based compound fertilizer special for wheat and preparation method of biomass charcoal-based compound fertilizer |
| CN107197707A (en) * | 2017-06-01 | 2017-09-26 | 兰溪市顺光园艺技术有限公司 | A kind of flower culturing soil and preparation method thereof |
| CN112094153A (en) * | 2020-09-21 | 2020-12-18 | 何莉 | Biological fertilizer and preparation method thereof |
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| CN100569900C (en) | 2009-12-16 |
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