CN103102190B - Method of preparing special torenia fournieri fertilizer by utilizing urban domestic sludge - Google Patents
Method of preparing special torenia fournieri fertilizer by utilizing urban domestic sludge Download PDFInfo
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- CN103102190B CN103102190B CN201310064301.6A CN201310064301A CN103102190B CN 103102190 B CN103102190 B CN 103102190B CN 201310064301 A CN201310064301 A CN 201310064301A CN 103102190 B CN103102190 B CN 103102190B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention belongs to the technical field of a special torenia fournieri fertilizer, and particularly relates to a method of preparing a special torenia fournieri fertilizer by utilizing urban domestic sludge. Starting from the fertilizer demand characteristic of the torenia fournieri, the special fertilizer for the growth of the torenia fournieri can be researched through reasonable compatibility according to the earthworm-digested sludge nutrition. Compared with the special fertilizer preparation methods for other flowers, the number of flowering branches can be increased to a certain extent through applying the fertilizer prepared by domestic sludge, the number of flowers of each branch can be obviously increased when the torenia fournieri is in the full-bloom stage, the flowering period of the torenia fournieri can be obviously prolonged, and the flower colors can be more beautiful and more durable. The method has the advantages of being simple and easy, convenient to produce, low in cost, good in effect, free from pollution and the like, the problem of reasonably treating the sludge can be solved while the torenia fournieri is flowered beautifully, thereby changing wastes into a fertilizer and serving multiple purposes.
Description
Technical field
The invention belongs to summer violet dedicated fertilizer technical field, particularly a kind of method of utilizing municipal sludge to prepare summer violet special fertilizer.
Background technology
Summer violet (Torenia fournieri L.) is the herb of goatweed Torenia concolor Lindl., happiness high temperature, happiness light, resistance to sweltering heat, florescence are long, flower is small and exquisite, pattern has purple cyan, pink, blue purple, dark pink and purple etc., flowers in the summer graceful flowers and plants in deficient period, in summer and autumn, be widely used in, in city flower bed and Hua Jing layout, thering is very considerable landscape value.Simultaneously summer violet also has the pharmaceutical uses such as clearing heat and detoxicating, dampness removing, cough-relieving and stomach preventing or arresting vomiting, stagnation resolvation.
Summer violet growth happiness is sunny, warm, moistening, and well-drained neutrality or slight alkalinity loam environment.Because summer violet was used extensively in summer and autumn, consumption is large, thus cause the manpower of the aspects such as fertilizing management and the input amount of fund large, therefore, select a kind of disposable employed fertilizer that is conducive to its growth, blooms to seem particularly important.Yet at present, yet there are no for summer violet and need fertile characteristic to carry out the report of fertilizer development.
Existing flower fertilizer great majority are quick-acting fertilizer, are mainly inorganic fertilizers.Inorganic fertilizers for potted flowers in the market, price is high, and fertilizer efficiency discharges fast and time of releasing is short, causes the later stage to be supported not enough, need to continue to use, waste of manpower financial resources, long-term application easily causes soil compaction.Inorganic fertilizers for potted flowers nutrient is high simultaneously, and amount of application should not be controlled, and slightly accidentally will cause flowers to burn the phenomenons such as root, dead seedling.
In prior art, there is the method that adopts sludge composting fermentation or earthworm to clear up mud to produce fertilizer, that is: mud and agricultural wastes (as: stalk, vegetables residue, poultry manure) etc. are mixed, carry out compost fermentation, production fertilizer.Utilize earthworm directly to engulf undressed fresh sludge and produce fertilizer.But aforesaid method only makes the fertilizer of manufacturing reach the nutrient content standard of national regulation, and there is no to carry out in conjunction with the fertile characteristic of need of concrete plant the rational proportion of nutrient.
Along with the rapid growth of China's urban population, city domestic sewage treatment capacity increases day by day, and the quantum of output of domestic sludge also sharply rises.Traditional sludge treating method, as landfill, burning etc. easily causes secondary pollution to environment, therefore, how rationally disposing domestic sludge becomes problem demanding prompt solution.Due to domestic sludge, contain the nutritive ingredients favourable to plant-growth such as abundant organic matter, nitrogen, phosphorus and potassium, therefore, it is the important channel of realizing its recycling that domestic sludge is prepared as to the required fertilizer of plant-growth.In domestic sludge, inevitably contain the hazardous and noxious substances such as pathogenic bacteria, heavy metal, directly composting has potential environment and health risk.Now there are some researches show, utilize dealing with earthworm mud can effectively reduce pathogenic bacteria and heavy metal content in mud, is the desirable approach that realizes its Fertilizer Transformed.Yet, utilize the mud after dealing with earthworm to produce in the existing research of fertilizer, report for the fertile characteristic preparation of the concrete need of subject (as: vegetables, crop, fruit tree) special fertilizer is also few, and domestic sludge is applied to city flowers, joins on fertilizer rarely seen especially.
Therefore, the present invention is directed to the fertile characteristic of need that above problem clears up sludge technology and summer violet by existing earthworm and combine, develop the special fertilizer that is suitable for summer violet growth.
Summary of the invention
The object of the invention is to start with from the fertile characteristic of need of summer violet, the mud Characteristics of nutrients after clearing up according to earthworm carries out reasonable compatibility, and development is suitable for the special fertilizer of summer violet growth.
The method of utilizing municipal sludge to prepare summer violet special fertilizer provided by the invention, comprises the steps:
(1). the domestic sludge (water content 80% left and right) after Sewage Plant dehydration is pressed to (4 ~ 6) with straw powder: 1 volume ratio is mixed, throw in into earthworm, then the rectangularity band shape of banking up, carry out the earthworm digestion process about 40 days, then earthworm is screened, obtain mud mixture, measure the nutrient content of mud mixture (water content is down to 30% left and right).
(2). according to organic matter in mud mixture and nitrogen content, add appropriate raising agent (can adopt sawdust powder) to regulate its C/N ratio to 25 ~ 30, simultaneously, add sterilant (can adopt m-tetrachlorophthalodinitrile), its add-on is 0.15% of mud mixture total mass, and carry out secondary and bank up, the secondary time of banking up is 8 ~ 10 days, turning every day 1 time.
(3). after secondary has been banked up, utilize drying plant or adopt natural air drying to make in step (2) gained mixture water content lower than 5%.
(4). according to the physiological property of summer violet, add and be beneficial to the borax that maintains and highlight pattern, its add-on is 0.25% of step (2) gained mixture total mass, according to the fertile characteristic of the need of summer violet, add solid nutrient composition Repone K and calcium superphosphate again, regulating the N:P:K ratio in gained mixture is 5:2:9, mixes and makes summer violet special fertilizer.
Described straw powder is corn, paddy rice or the wheat stalk that utilizes stalk crasher to pulverize, and straw powder length is no more than 3cm.
Beneficial effect of the present invention is: the special fertilizer compound method with some other flowers is compared, with the fertilizer of domestic sludge preparation, can to a certain degree increase spray number, when the summer, violet entered full-bloom stage, obviously increased every flower number, simultaneously significant prolongation the florescence of summer violet, and make pattern more gorgeous lasting.That the method has is simple, produce the advantages such as convenient, cost is low, effective, pollution-free, when making that summer violet is gorgeous and blooming, has solved again the problem that mud is rationally disposed, and becomes and gives up as fertilizer, achieves many things at one stroke.
Embodiment
The following examples can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.
In conjunction with specific embodiments, invention is described.By embodiment, carry out potted plant simultaneous test, optimize the optimum proportion scheme of summer violet special fertilizer.
1. by the domestic sludge (water content 80% left and right) after Sewage Plant dehydration and straw powder (the rice straw powder that described straw powder utilizes stalk crasher to pulverize, straw powder length is no more than 3cm) by the volume ratio of 4:1, mix, throw in into earthworm, then the rectangle of growth 5m, wide 1m, high 40cm of banking up is banded, carries out the earthworm digestion process of 40 days.After 40 days, earthworm is screened, measure the nutrient content of mud mixture (water content is down to 30% left and right) simultaneously.
2. according to organic matter in mud mixture and nitrogen content, add appropriate raising agent (sawdust powder) to regulate its C/N ratio to 27.Meanwhile, add sterilant (m-tetrachlorophthalodinitrile), its add-on is 0.15% of mud mixture total mass, and carries out secondary and bank up, and the secondary time of banking up is 10 days, turning every day 1 time.
3., after having banked up for two times, utilize drying plant or adopt natural air drying to make in step (2) gained mixture water content lower than 5%.
4. according to the physiological property of summer violet, add the borax that accounts for step (2) gained mixture total mass 0.25%, in gained mixture, add solid nutrient composition Repone K and calcium superphosphate simultaneously.For obtaining the fertilizer formula of the most applicable summer violet, change Repone K and calcium superphosphate consumption in aforementioned mixture, make the N:P:K ratio in mixture be adjusted to respectively 5:2:9(formula 1) and 5:4:6(formula 2), and with commercially available flowers composite fertilizer (N:P:K=25:7:8, formula 3) carry out pot experiment, contrast application effect.
5. in the black plastic flowerpot that is 16cm by consistent summer violet seedling replanting to the diameter of growing way, and in the region apart from seedlings root 3cm, apply respectively the fertilizer of above-mentioned 3 kinds of formulas, rate of fertilizer be in flowerpot soil heavy 0.65%.Smooth basin soil after fertilising, each flowerpot daily administration is identical.The growth change of routine observation summer violet, records flowering quality (spray number and flower number).
The beneficial effect that technical solution of the present invention is brought
As can be seen from Table 1, different fertilizer formula has notable difference to the impact of summer violet flowering quality.Compare with commercially available flowers composite fertilizer, with the fertilizer of domestic sludge preparation, can to a certain degree increase spray number, when the summer, violet entered full-bloom stage, obviously increased every flower number, simultaneously significant prolongation the florescence of summer violet, and make pattern more gorgeous lasting.Formula 1 is compared with formula 2, and formula 1 is more suitable for being applied to summer violet cultivation.
The impact of table 1 different fertilizer formula on summer violet flowering quality
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (5)
1. utilize municipal sludge to prepare a method for summer violet special fertilizer, it is characterized in that the method comprises the steps:
(1). the domestic sludge after Sewage Plant dehydration is pressed to (4～6) with straw powder: 1 volume ratio is mixed, throw in into earthworm, then the rectangularity band shape of banking up, carry out the earthworm digestion process about 40 days, then earthworm is screened, obtain mud mixture, measure the nutrient content of mud mixture;
(2). according to organic matter in mud mixture and nitrogen content, add appropriate raising agent to regulate its C/N ratio to 25～30, meanwhile, add sterilant, its add-on is 0.15% of mud mixture total mass, and carry out secondary and bank up, the secondary time of banking up is 8～10 days, turning every day 1 time, wherein, described raising agent adopts sawdust powder, and described sterilant adopts m-tetrachlorophthalodinitrile;
(3). after secondary has been banked up, utilize drying plant or adopt natural air drying to make in step (2) gained mixture water content lower than 5%;
(4). according to the physiological property of summer violet, add and be beneficial to the borax that maintains and highlight pattern, its add-on is 0.25% of step (2) gained mixture total mass, according to the fertile characteristic of the need of summer violet, add solid nutrient composition Repone K and calcium superphosphate again, regulating the N:P:K ratio in gained mixture is 5:2:9, mixes and makes summer violet special fertilizer.
2. the method for utilizing municipal sludge to prepare summer violet special fertilizer according to claim 1, is characterized in that: described straw powder is corn, paddy rice or the wheat stalk that utilizes stalk crasher to pulverize, and straw powder length is no more than 3cm.
3. the method for utilizing municipal sludge to prepare summer violet special fertilizer according to claim 1, is characterized in that: the domestic sludge after Sewage Plant dehydration mixes by the volume ratio of 4:1 with straw powder.
4. the method for utilizing municipal sludge to prepare summer violet special fertilizer according to claim 1, is characterized in that: in step (1), the water content of mud mixture is 30% left and right.
5. the method for utilizing municipal sludge to prepare summer violet special fertilizer according to claim 1, is characterized in that: in step (1), the domestic sludge after Sewage Plant dehydration be water content 80% left and right.
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| CN103102190B true CN103102190B (en) | 2014-07-16 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103988725B (en) * | 2014-05-27 | 2016-06-29 | 四川农业大学 | Municipal sludge is utilized to prepare flame nettle cultivation matrix and flame nettle cultural method |
| CN107056541A (en) * | 2016-12-15 | 2017-08-18 | 苏州润弘贸易有限公司 | The method of sludge and rubbish from cooking anaerobic composting after city domestic sewage processing |
| CN106927872A (en) * | 2016-12-15 | 2017-07-07 | 苏州润弘贸易有限公司 | The method of the sludge aerobic compost after city domestic sewage treatment |
| CN107021790A (en) * | 2016-12-15 | 2017-08-08 | 苏州润弘贸易有限公司 | The method of sludge and rubbish from cooking aerobic compost after city domestic sewage processing |
| CN106883077A (en) * | 2016-12-15 | 2017-06-23 | 苏州润弘贸易有限公司 | The method of the sludge anaerobic compost after city domestic sewage treatment |
| CN107032838A (en) * | 2017-05-16 | 2017-08-11 | 华南农业大学 | A kind of municipal sludge base Nutrition Soil and preparation method thereof |
| CN111892451A (en) * | 2020-08-20 | 2020-11-06 | 黑龙江科吉生态农业开发有限公司 | Organic fertilizer for dry seedling of full-nutrition rice and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746935A (en) * | 2009-12-25 | 2010-06-23 | 扬州大学 | Method for digesting straws by earthworm |
| CN102557830A (en) * | 2012-01-10 | 2012-07-11 | 袁池 | Preparation method for active carbon earthworm excrement organic fertilizer |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746935A (en) * | 2009-12-25 | 2010-06-23 | 扬州大学 | Method for digesting straws by earthworm |
| CN102557830A (en) * | 2012-01-10 | 2012-07-11 | 袁池 | Preparation method for active carbon earthworm excrement organic fertilizer |
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Effective date of registration: 20190228 Address after: 611130 No. 203, 204 and 205, No. 355 Kejin Road, Wenjiang District, Chengdu City, Sichuan Province Patentee after: Chengdu Metropolitan Modern Agricultural Industry Technology Research Institute Co., Ltd. Address before: 611130 Huimin Road, Wenjiang District, Chengdu, Sichuan Province, No. 211 Patentee before: Sichuan Agricultural University |
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