CN101774838B - Corn growth promoting agent containing phosphogypsum and as well as preparation method and application thereof - Google Patents
Corn growth promoting agent containing phosphogypsum and as well as preparation method and application thereof Download PDFInfo
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- CN101774838B CN101774838B CN2010100172921A CN201010017292A CN101774838B CN 101774838 B CN101774838 B CN 101774838B CN 2010100172921 A CN2010100172921 A CN 2010100172921A CN 201010017292 A CN201010017292 A CN 201010017292A CN 101774838 B CN101774838 B CN 101774838B
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Abstract
The invention relates to a corn growth promoting agent containing phosphogypsum, which comprises phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acid according to proportion by weight ratio of 1000:(3-10):(0.5-4):(0.5-3):(1-5). The method for preparing the corn growth promoting agent containing the phosphogypsum comprises the steps of: pulverizing dried dregs drogs of phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acid to 200-400 meshes for standby later use; and mixing the gypsum powder containing certain amount of phosphorus with the pulverized zinc sulfate, copper sulfate, manganous sulfate, humic acid and the like to obtain a mixture of the corn growth promoting agent. The invention aims to solve the problem of environment pollution caused by a phosphorous chemical waste of, phosphogypsum, and to realize regeneration and utilizationthe recycling of environmental pollutants as resources. The corn-dedicated growth promoting agent containing the phosphogypsum recycles is produced by an industrialized process, and the industrial drogs of the phosphogypsum, as an industrial waste, is regenerated and utilized as a resource by industrialized production to provide fertilizers required by for agricultural production. The corn growth promoting agent containing the phosphogypsum can improve and increase productivity of soil, promote corn growth and improve corn quality.
Description
One, technical field
The present invention relates to agricultural technology field, special-purpose short long agent of corn and its production and application is produced in particularly a kind of phosphorous chemical industry utilization of waste as resource.
Two, background technology
A large amount of solid slag---the phosphogypsum of generation in Wet-process phosphoric acid (WPPA) and the phosphate fertilizer process, the annual schaumgyps that approximately produces hundred million tons of 1-2.8 in the whole world does not add any processing usually and stacks ground, occupies and waste a large amount of land resourcess, and causes the serious environmental pollution.There are all kinds of phosphatic fertilizer company more than 400 families in China, annual ten thousand tons of the phosphogypsum slag 3000-5000 that produce, and these waste residues are usually unprocessed, stack ground, not only take a large amount of soils, and the pH value is very low simultaneously because of containing the various heavy element, contaminated soil and surrounding environment.The disposal of phosphogypsum all is a serious problem in the world wide at present, about schaumgyps less than 15% is used to make material of construction such as material of construction, brick, decorative sheet, cement, but these material of construction consumptions are limited, and need the second investment bigger, main is because contain natural radioactive element Ra and U etc. in the phosphogypsum, and being used for material of construction can produce serious radiological hazard to the human body of living and live in this class Architectural Equipment.EPA is categorized as phosphogypsum " the natural radio active material (TENORM) that exists of process strengthening ", and forbids utilizing phosphogypsum to produce material of construction since nineteen ninety, European Union since 1992 no longer approval use phosphogypsum production material of construction.Phosphogypsum is made soil improvement agent be used for agricultural, vast market and application prospect are arranged.
China's agricultural is typical resource constraint type industry, in recent years, population growth, urbanization are accelerated, non-agricultural exploitation takies and plough desertification, stony desertification and salinization etc., not only make China's agriculture production benefit reduce, plough and reduce year by year, and cause the exacerbated of resource and ecotope.On the one hand, 1,800,000,000 mu of arable land red lines are to the edge that is broken; On the other hand, China has 14.8 hundred million mu of saltings resources not to be utilized effectively as yet.China's saltings area accounts for 76% of national cultivated area, area, the landlocked saltings of China, restricted by natural condition such as soil alkaline degree, salt water type water quality and arid, natural resources is deficient relatively, the ecosystem is very fragile, as some areas such as northwest arid area, the Yellow River and Huai He River sea plain, east and the Three River Plain.Simultaneously Deposits in Eastern Coastal China has abundant beach resource can not develop and become good farmland kind plant because of containing very high salinity.
Exploitation saltings and coastal beach resource are the strategic demands that ensures national food safety and ecological safety.By on October 31st, 2006, China's cultivated area was 1,800,000,000 2,700 ten thousand mu only, and the situation of observing 1,800,000,000 mu of arable land bottom lines is very severe.When protecting existing the arable land, develop potential land resources, become the great strategic demand of China's agricultural development.Fall into disuse the saltings by development and use, the saltings strategy of administering is changed to the local area ecological comprehensive regulation by simple engineering control, make full use of land resources, developing rural economy, realize ecological, economical, societal benefits unification, have the important strategic meaning ensureing national food safety and national ecological environment security.
China's phosphate fertilizer industry and ten thousand tons of phosphogypsums of the annual by-product 3000-5000 of phosphoric acid industry, the overwhelming majority throws aside, and not only take a large amount of soils and stack, and contaminate environment, allow resource waste.This technology utilization ecological principle as a kind of renewable resources rather than be used as refuse and treat, is developed a circular economy phosphogypsum and the ecological economy.Recycling economy is a kind of economy of respecting and using ecological rule, and it is based upon on the closed flow process basis of " utilization of resources---green product---resource recovery ".New development pattern with the recycling economy representative is generally accepted by international community.Recycling economy turns to practice by the thought aspect in China.
Corn growth needs elements such as a large amount of phosphorus, calcium, zinc, on the beach soil of northern China saline-alkali soil and coastland, because the pH height has reduced the solubility and the validity of the phosphorus of soil and fertilising, corn can not absorb the phosphorus element in the soil, while saline-alkali soil and coastal beach soil salt content height, there are a large amount of sodium ions and carbonate, bicarbonate ion, calcium ion-exchanged on the soil colloid is got off, destroyed the crumb structure of soil, influence farming performance, the production performance of soil, thereby influenced plant growth.
Three, summary of the invention
Goal of the invention: the object of the invention is to solve the problem of environmental pollution of phosphorous chemical industry refuse phosphogypsum, carry out the resource recycling of environmental pollutant, a kind of special-purpose short long agent of corn of phosphogypsum is provided, suitability for industrialized production is passed through in the short long agent of this special use, industrial residue phosphogypsum is carried out resource recycling, provide agriculture production required fertilizer, can improve and improve soil productivity, promote corn growth, improve corn quality.
The special-purpose short long agent of corn that another object of the present invention provides this phosphogypsum Maize Production and improve saline-alkali soil and the tidal land Soil structure on application, improved the validity of phosphorus in saline-alkali soil, the tidal land soil, increase the required trace element zinc of corn normal growth in saline-alkali soil and the coastal beach soil, copper, manganese etc., improved the crumb structure and the production performance of soil.
Technical scheme: the corn growth promoting agent of phosphogypsum, be made of described phosphogypsum: zinc sulfate: copper sulfate: manganous sulfate phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acids: the weight ratio of humic acids is 1000: (3-10): (0.5-4): (0.5-3): (1-5).
The corn growth promoting agent of phosphogypsum, described phosphogypsum: zinc sulfate: copper sulfate: manganous sulfate: the weight ratio of humic acids is 1000: 5: 3: 2: 3.
The method of corn growth promoting agent of preparation phosphogypsum, preparation process is: it is standby that exsiccant residue phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acid powder are broken to the 200-400 order; By weight above-mentioned phosphogypsum powder is mixed with the zinc sulfate that crushes, copper sulfate, manganous sulfate, humic acids etc., the blended weight ratio is: phosphogypsum: zinc sulfate: copper sulfate: manganous sulfate: humic acids=1000: (3-10): (0.5-4): (0.5-3): (1-5) or 1000: 5: 3: 2: 3, the gained mixture was corn growth promoting agent.
The preparation method of the corn growth promoting agent of phosphogypsum, residue phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acids are by weight 1000: (3-10): (0.5-4): (0.5-3): (1-5) or 1000: 5: 3: it is common useless broken to mix the back at 2: 3, crosses the 200-400 mesh sieve and gets corn growth promoting agent.
The application of the corn growth promoting agent of phosphogypsum on saline-alkali soil and tidal land soil corn planting.
Beneficial effect: the present invention is that a kind of solid waste resource recovery utilizes technology, and factory's solid waste phosphogypsum is carried out resource utilization development and use production plant growth promotor.
The titanium pigment that contains in the phosphogypsum that the present invention uses, it is the necessary nutrient element of corn growth, contained calcium and sulphur also are the necessary elements of corn growth, contained trace copper, zinc, selenium is the necessary trace element of corn growth in the product, particularly phosphogypsum contains abundant calcium, and it can improve saltings and coastal beach, increases soil aggregate greatly, improve the soil physical chemistry performance, improve soil productivity.Zinc is the requisite trace element of corn growth, promotes the corn fruit development, and corn lacks zinc and is easy to generate bald fringe, the heading difficulty, and output descends.Phosphogypsum tool acidity simultaneously, can be directly in the alkalescence in saltings.
Trace elements such as the zinc that adds in the product of the present invention, manganese, copper, it is the necessary element of corn growth, in the general soil seldom or be not dissolved state, corn is difficult to directly absorb, and these micro-abundant amounts that add among the present invention, satisfy the required quantity of corn growth fully, thereby improve corn yield, improve corn quality.
Containing humic acids in the product of the present invention, is a kind of natural organic acid, natural being present in the soil, trace elements such as the zinc in the energy chelating product, manganese, copper, form complex compound soluble in water, be convenient to corn and directly absorb, improved these micro-validity and utilizabilitys.
The phosphogypsum that uses among the present invention is generally directly thrown contaminate environment aside for producing the solid waste of phosphate fertilizer and phosphoric acid, after this law processing, turn waste into wealth the changing waste into resources utilization, produce useful product for agriculture, meet the requirement of recycling industries and clean production.
Contain nutrient elements such as abundant calcium, sulphur, phosphorus, magnesium, zinc, manganese, copper in the product of the present invention, can promote release, the increase soil aggregate of phosphorus in the saline-alkali soil especially, improve the soil physical chemistry performance, strengthen maize root system vigor and rootability, promote the absorption of corn phosphorus, zinc and calcium.
Product of the present invention is applicable to corn, has advantages such as resistant to lodging, cold-resistant, disease and insect resistance and the release of promotion soil phosphorus.Main as base manure, can adopt spread fertilizer over the fields, spread manuer in holes, ditch spread.Keep the soil humidity with the back,, adjust consumption according to different areas soil salt alkalescence degree, soil fertility situation and Soil structure situation.
The nutrient of product energy activating soil indissoluble of the present invention can directly provide soil and plant nutrient, reduces the chemical fertilizer usage quantity, improves utilization rate of fertilizer more than 30%; Make base manure for a long time and use the crumb structure that to improve soil, reduce soil salt and pH, improve the soil water-reataining fertilizer-keeping ability, help the soil Sustainable development.
Contain the various active nutrient element in the product of the present invention, as various trace elements such as calcium, sulphur, zinc, manganese, copper, selenium, iron, silicon, crop absorbs fast, fertilizer efficiency is lasting, generally speaking under situation than normal minimizing chemical fertilizer usage quantity 30-50%, use this product can make about crop yield 15%-20%, if be used an amount of chemical fertilizer on the lower soil of fertility such as saline-alkali soil, crop can be increased production more than the 50-180%, and after coastal beach newly opened up soil and use, crop can be increased production more than the 60-200%.
Four, description of drawings
Fig. 1 is the difference that product of the present invention is used potted plant corn plant height after 50 days;
Fig. 2 is that to use after 50 days the whole strain fresh weight of potted plant corn be the difference of biomass to product of the present invention
Five, embodiment
Following accompanying drawing elaborates to the present invention:
Embodiment 1:
Phosphogypsum is made corn growth promoting agent:
1. with the residue phosphogypsum drying in chemical plant, it is standby to be crushed to the 200-400 order then; Zinc sulfate, manganous sulfate, copper sulfate, humic acids separated pulverizing is standby;
2. by weight above-mentioned phosphogypsum powder is mixed with pretreated zinc sulfate, copper sulfate, manganous sulfate, humic acids, make mixture; The blended weight ratio is: phosphogypsum: zinc sulfate: copper sulfate: manganous sulfate: humic acids=1000: 3-10: 0.5-4: 0.5-3: 1-5; Cross the 200-400 mesh sieve;
3. said mixture is thoroughly mixed thoroughly, the finished product;
Embodiment 2:
Phosphogypsum is made corn growth promoting agent:
1. with the residue phosphogypsum drying in chemical plant, it is standby to be crushed to the 200-400 order then; Exsiccant zinc sulfate, manganous sulfate, copper sulfate, humic acids separated pulverizing is standby;
2. the 1000kg phosphogypsum powder is mixed with pretreated 5kg zinc sulfate, 3kg copper sulfate, 2kg manganous sulfate, 3kg humic acids, cross the 200-400 order;
3. said mixture is thoroughly mixed thoroughly, the finished product 1013kg.
Application example of the present invention:
With the special-purpose short long agent of the product corn that makes in the example 1,2, be used for maize planting on saline-alkali soil, the coastal beach soil.
1, generally speaking, at saline and alkaline ground surface soil 0-5cm saltiness 5-10g/kg, on the saline-alkali soil of pH9-11 and saltiness the coastal beach soil greater than 4-12g/kg, 2-3 week before corn planting, every mu is spread fertilizer over the fields the short long agent 500-1000kg that the present invention of soil table makes, make base manure, plough the soil, water sufficient moisture, 2-3 sows after week, uses 30-50kg composite fertilizer for every mu simultaneously, the back investigation of 10 weeks, the comparable contrast of short long agent improves the emergence of corn rate and more than the surviving rate 100-300%, plant height increases 40-100%, and biomass (plant complete stool fresh weight) increases more than the 100-200%;
2, under the indoor pot experiment condition, use the corn growth promoting agent that the present invention makes by soil weight 0.05-5% consumption, mix thoroughly with vegetable garden soil, at maize planting under the fertilizer application condition not equally, after after planting 50 days, the comparison of milpa plant height is up to 97.3% according to increasing, and the biomass comparison is up to 105.3% according to increasing.(seeing accompanying drawing)
Claims (5)
1. the corn growth promoting agent of phosphogypsum, it is characterized in that being made up of phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acids described phosphogypsum: zinc sulfate: copper sulfate: manganous sulfate: the weight ratio of humic acids is 1000:(3-10): (0.5-4): (0.5-3): (1-5).
2. the corn growth promoting agent of phosphogypsum according to claim 1, it is characterized in that described phosphogypsum: zinc sulfate: copper sulfate: manganous sulfate: the weight ratio of humic acids is 1000:5:3:2:3.
3. prepare the method for the corn growth promoting agent of claim 1 or 2 described phosphogypsums, it is characterized in that preparation process is:
A. it is standby exsiccant residue phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acid powder to be broken to the 200-400 order;
B. by weight above-mentioned phosphogypsum powder is mixed with the zinc sulfate that crushes, copper sulfate, manganous sulfate, humic acids, the blended weight ratio is: phosphogypsum: zinc sulfate: copper sulfate: manganous sulfate: humic acids=1000:5:3:2:3, the gained mixture is corn growth promoting agent.
4. the preparation method of the corn growth promoting agent of phosphogypsum according to claim 3, it is characterized in that residue phosphogypsum, zinc sulfate, copper sulfate, manganous sulfate and humic acids are common useless broken after mixing by weight 1000:5:3:2:3, cross the 200-400 mesh sieve and get corn growth promoting agent.
5. the application of the corn growth promoting agent of claim 1 or 2 described phosphogypsums on saline-alkali soil and tidal land soil corn planting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100172921A CN101774838B (en) | 2010-01-08 | 2010-01-08 | Corn growth promoting agent containing phosphogypsum and as well as preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100172921A CN101774838B (en) | 2010-01-08 | 2010-01-08 | Corn growth promoting agent containing phosphogypsum and as well as preparation method and application thereof |
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| Publication Number | Publication Date |
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| CN101774838A CN101774838A (en) | 2010-07-14 |
| CN101774838B true CN101774838B (en) | 2011-03-16 |
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| CN2010100172921A Expired - Fee Related CN101774838B (en) | 2010-01-08 | 2010-01-08 | Corn growth promoting agent containing phosphogypsum and as well as preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102060625B (en) * | 2010-12-31 | 2013-06-19 | 南京亚细亚生物技术有限公司 | Fertilizer synergist for special paddy and application thereof |
| CN104478583B (en) * | 2014-12-09 | 2017-04-12 | 南京信息工程大学 | Composition capable of reducing emission of greenhouse gas from cropland and application of composition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194254A (en) * | 1998-04-21 | 1998-09-30 | 白家丽 | Synergist fertilizer for corn specially |
| RU2142444C1 (en) * | 1998-08-25 | 1999-12-10 | Бродский Александр Александрович | Method of preparing granular complex fertilizers having microelements |
| CN1569753A (en) * | 2004-04-23 | 2005-01-26 | 常同忠 | Fertilizer containing marine life and its preparation |
| CN1669990A (en) * | 2005-03-29 | 2005-09-21 | 姚力群 | Chemical fertilizer synergist and its preparation method and application |
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2010
- 2010-01-08 CN CN2010100172921A patent/CN101774838B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194254A (en) * | 1998-04-21 | 1998-09-30 | 白家丽 | Synergist fertilizer for corn specially |
| RU2142444C1 (en) * | 1998-08-25 | 1999-12-10 | Бродский Александр Александрович | Method of preparing granular complex fertilizers having microelements |
| CN1569753A (en) * | 2004-04-23 | 2005-01-26 | 常同忠 | Fertilizer containing marine life and its preparation |
| CN1669990A (en) * | 2005-03-29 | 2005-09-21 | 姚力群 | Chemical fertilizer synergist and its preparation method and application |
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| CN101774838A (en) | 2010-07-14 |
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Granted publication date: 20110316 Termination date: 20140108 |