CN109275435A - A method of allow hybrid giant napier quick flourish on municipal sludge - Google Patents
A method of allow hybrid giant napier quick flourish on municipal sludge Download PDFInfo
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- CN109275435A CN109275435A CN201811291128.2A CN201811291128A CN109275435A CN 109275435 A CN109275435 A CN 109275435A CN 201811291128 A CN201811291128 A CN 201811291128A CN 109275435 A CN109275435 A CN 109275435A
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- sludge
- hybrid giant
- giant napier
- napier
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G2/00—Vegetative propagation
- A01G2/20—Layering
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- Life Sciences & Earth Sciences (AREA)
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- Developmental Biology & Embryology (AREA)
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- Treatment Of Sludge (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention provides a kind of methods for allowing hybrid giant napier quick flourish on municipal sludge.The present invention first overwhelms the stalk level of the hybrid giant napier grown naturally on sludge, and with the tillering node of sludge covering hybrid giant napier；After tillering node roots, contacting for stalk and parent is cut off.Tolerance enhancing the invention enables hybrid giant napier to harmful substance in sludge, realize hybrid giant napier fast-growth directly on toxic sludge, survival rate of the hybrid giant napier in sludge is substantially increased, it can be achieved that 100% survives, and accelerates the breeding and the speed of growth of hybrid giant napier.Meanwhile the efficiency of hybrid giant napier dewatered sludge of the invention is obviously improved, and hybrid giant napier biomass is greatly improved.The present invention is low in cost without nursery in advance；Plant treatment keeps sludge decomposed without energy consumption, the less loss of nutriment, and treated, and sludge can continue to as Fertilizer application, or burns, landfill, alternative big, is easy to application, has good prospects.
Description
Technical field
It is utilized the invention belongs to waste processing and the crossing domain of plant cultivation technology, in particular to one kind allows hybrid giant napier
The method of quick flourish on municipal sludge.
Background technique
China's municipal sewage plant is more, and sludge yield is big, and safe utilization ratio is lower.And generally fine sand content
Greatly, the content of organic matter is relatively low, this causes sludge calorific value relatively low, is unfavorable for burning disposal.Using current heating and drying method, take
With height.It is very necessary so carrying out desiccation and stabilisation to municipal sludge using environmentally friendly ecological method.
The fresh sludge of urban wastewater treatment firm general aqueous 80% or so, has phytotoxicity, influence germination and
Plant growth.The discovery of inventor team is directly planted on fresh toxic sludge with hybrid giant napier stem, and hybrid giant napier survival rate is 0；?
The hybrid giant napier seedling with root is transplanted after cultivating a period of time on peat growing medium, then hybrid giant napier is on fresh sludge
Survival rate has 16.7%；And if transplanted the hybrid giant napier seedling cultivated on peat growing medium together with matrix in fresh sludge
On, then the survival rate of hybrid giant napier is 95.5%.This is likely due to fresh sludge by anaerobic fermentation, generates toxic organic
Acid to damage the growth of hybrid giant napier root system, and then influences the growth of hybrid giant napier.
So transplanting hybrid giant napier needs on fresh sludge using the hybrid giant napier seedling for having culture substrate.However, seedling
Culture it is time-consuming and laborious, if it is possible to without culture, can directly allow hybrid giant napier to grow on toxic sludge, then can be big
It is big to save time and human cost required for sludge plant desiccation whole process.Exist it would therefore be highly desirable to efficiently solve hybrid giant napier
Quick flourish problem on toxic sludge.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology and deficiency, provides one kind and allows hybrid giant napier on toxic sludge
The method of quick flourish.
Method of the invention successfully solve in the prior art hybrid giant napier cannot directly on toxic sludge fast-growth
Technical problem；Simultaneously under the plantation mode, hybrid giant napier biomass is greatly improved, and the speed of dewatered sludge is added
Fastly.The Planting pattern for specifically changing hybrid giant napier is still grown in soil in main root using the stronger tillering ability of hybrid giant napier
Under the premise of in earth, the tillering node of hybrid giant napier branch is allowed to grow on sludge, parent support under continue tiller go out adventitious root with
Tiller bud avoids so that hybrid giant napier enhances the tolerance of harmful substance in sludge and utilizes hybrid giant napier dewatered sludge needs
Nursery in advance, while also accelerating the speed of hybrid giant napier dewatered sludge, accelerate the process of hybrid giant napier dewatered sludge.
The purpose of the invention is achieved by the following technical solution:
A method of it allows hybrid giant napier quick flourish on sludge, includes the following steps:
(1) the stalk level of the hybrid giant napier grown naturally is overwhelmed on sludge, and with the tiller of sludge covering hybrid giant napier
Section；
(2) after the tillering node of the hybrid giant napier roots, contacting for hybrid giant napier stalk and parent is cut off.
Hybrid giant napier described in step (1) is preferably the hybrid giant napier with tillering node；More preferably at least have two
The hybrid giant napier of a tillering node.
Hybrid giant napier described in step (1) is preferably the hybrid giant napier to grow fine.
Sludge described in step (1) is preferably municipal sludge；Further preferably there is phytotoxic municipal sludge.
Sludge described in step (1) is preferably the sludge of 60% or more moisture content.
Every plant of hybrid giant napier described in step (1) is preferably planted in the 6kg sludge below.
Sludge described in step (1) is preferably loaded in nutrient bag.
The nutrient bag is preferably high 28cm, the nutrient bag of diameter 30cm.
The opportunity of cutting hybrid giant napier stalk and parent contacted described in step (2) is preferably that the hybrid giant napier is grown
At at least one week；When further preferably the hybrid giant napier is grown at least two weeks.
Mechanism of the invention:
Hybrid giant napier possesses stronger tillering ability, each of which tillering node can grow adventitious root and tiller bud, so
In the case where lodging and covering sludge, tiller energy conservation germinates and takes root on sludge, and because its main root is still planted in soil
In earth, tillering node and plant parent keep connection, can provide nutrient for the growth of new root and sprouting, increase it to harmful substance
Resistivity, to improve the speed of growth of sprouting and new root, it is final realize hybrid giant napier on toxic sludge fast-growth with
And the purpose of rapid dried sludge dewatered sludge.
The present invention has the following advantages and effects with respect to the prior art:
1. in the prior art by plant dewatered sludge it is fresh studies have reported that, general plant is often difficult on sludge directly
Growth.By means of the present invention, enhancing hybrid giant napier enhances the tolerance of harmful substance in sludge, realizes hybrid giant napier
The fast-growth directly on toxic sludge substantially increases survival rate of the hybrid giant napier in sludge, it can be achieved that 100% survives, and
Accelerate the breeding and the speed of growth of hybrid giant napier；Meanwhile the efficiency of hybrid giant napier dewatered sludge is obviously improved, hybrid giant napier
Biomass is greatly improved.
2. method of the invention is easy to operate, low in cost using hybrid giant napier dewatered sludge without shifting to an earlier date nursery, it is easy to answer
With popularization.
3. plant treatment of the invention keeps sludge decomposed without energy consumption compared with other sludge drying methods, and it is sought
The less loss of substance is supported, treated, and sludge can continue to as Fertilizer application, or burn, landfill, alternative big.
Detailed description of the invention
Fig. 1 is 1 moisture percentage in sewage sludge trend chart of embodiment, and data are mean+SD, and n=3 uses SPSS
21 carry out variance analysis, examine (p < 0.05) according to DuncanShi, significant difference between different letter expression processing.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
Embodiment of the present invention is the potted plant experiment carried out in outdoor field, and sludge is derived from Dongguan City, Guangdong Province sludge
Fertile factory, sludge are stacked by half a year, have been in anaerobic state, sludge is black, and with foul smelling, larger to phytotoxicity.
(1) by sludge loaded on specification be 28mm × 30mm black nutritive bag in, each packed sludge 6kg of nutrition, do with
Lower three processing (three repetitions of each processing).
Processing one: space management (CK) does not plant hybrid giant napier；
Processing two: culturing and transplanting seedlings processing, one month hybrid giant napier children is cultivated in plantation in the nutrient bag of about 0.25kg matrix
Seedling, the seedling need to guarantee tool there are two tillering node, and each nutrient bag plants hybrid giant napier two to grow fine, tape base replanting kind
It plants；
Processing three: disjunctor layer improvement handles (YH), nutrient bag is placed on by the hybrid giant napier clump of nature growth, chooses it
In with tillering node, the hybrid giant napier that grows fine, its level is overwhelmed on the sludge in nutrient bag, then cover emperor bamboo with sludge
Two tillering nodes of careless plant, growth two weeks whens, cut off contacting for hybrid giant napier and parent.
(2) three processing are placed on the soil for covering black net, and experiment place is the agriculture of Tianhe District, Guangzhou City, Guangdong Province south China
Sparetime university's student's state experimental plot, experiment date are on the November 4th, 22 days 1 of September in 2017, continue 6 weeks.After sampling in 5th week
It was found that hybrid giant napier root is long into soil through nutrient bag, sludge drying is influenced to avoid hybrid giant napier root system from absorbing the moisture in soil
Rate, it is all processing move to indoor water mire.
(3) this experiment samples weekly once, and sample measures moisture percentage in sewage sludge weekly, measures the seed of primary sludge every two weeks
Germination index, while recording the survival rate of each processing hybrid giant napier, at the end of experiment, the emperor bamboo that will be grown out during experiment
Careless branches and leaves are taken, and dry heavy, record the yield of dry matter.
(4) analysis method of moisture content is weighting method after dried.
Experiment uses sludge basic physical and chemical such as table 1.Wherein, moisture percentage in sewage sludge 82.19%, seed germination index are
0.Heavy metal Cd is more than the A grade sludge in " urban sewage treatment plant sludge disposition-agricultural shale standard " (CJ/T309-2009)
Standard, within the scope of A grade standard, the content of organic matter is greater than 200g/kg, N+P by Pb, Cu, Zn2O5+K2O is greater than 30g/kg.
Table 1 is for trying sludge main physical and chemical
Note: data are mean+SD, n=3；* " urban sewage treatment plant sludge disposition-agricultural shale mark is indicated
It is quasi- " A grade sludge and B grades of sludge in CJ/T309-2009.
In this experiment, the survival rate of 6 hybrid giant napiers only has 50% in culturing and transplanting seedlings processing (processing two), there is educating for half
Transplantation of seedlings hybrid giant napier does not adapt to the toxicity of sludge, can not grow.And the processing of disjunctor layer (processing three) hybrid giant napier survival rate is
100%, the tillering node of all covering sludge all roots, and grows the root system of new hybrid giant napier branch and prosperity.This explanation, and
Culturing and transplanting seedlings processing is compared, and hybrid giant napier is overwhelmed and is grown on sludge, can enhance the ability that hybrid giant napier resists harmful substance, is increased
Add the survival rate of hybrid giant napier.
In this experiment, the water-cut variation situation of sludge is as shown in Figure 1.Variance analysis is carried out to data, it is found that
When to third week, disjunctor layer processing (processing three) just has significantly with CK (processing one), culturing and transplanting seedlings processing (processing three)
The ability of difference, disjunctor layer processing dewatered sludge is noticeably greater than culturing and transplanting seedlings processing.In next experiment, disjunctor layer
With other two processing, there are significant differences for processing continuation.Disjunctor layer processing from 4th week moisture content just drop to 60% hereinafter,
It is 53.98%, reaches the requirement of " urban sewage treatment plant sludge disposition-agricultural shale standard " (CJ/T309-2009), and educates
Transplantation of seedlings processing then needs to can be only achieved standard until the 6th week, is 51.65%.This experiment is between 4th week and the 5th week
There are biggish rainfalls, it can be seen that CK and culturing and transplanting seedlings processing moisture content occurred rising at the 5th week, but disjunctor pressure
Branch processing is not influenced but by rainfall, and moisture content does not rise anti-drop, drops to 35.21% from 53.98%, it is seen that the processing of disjunctor layer
The effect of dewatered sludge is obvious, and 10% or so can be dropped to by placing indoors 1 week.
At the end of this experiment, the yield of hybrid giant napier dry matter is 16.62 ± 3.04g/ basin in culturing and transplanting seedlings processing, and is connected
The yield that body layer handles hybrid giant napier dry matter is 30.03 ± 2.97g/ basin, is 1.8 times of culturing and transplanting seedlings processing, illustrates disjunctor
The lower hybrid giant napier growth of layer processing is rapider, and yield of biomass is more.
The experimental result that culturing and transplanting seedlings processing is handled with disjunctor layer is compared, such as table 2.It can be found that disjunctor pressure
The hybrid giant napier of branch processing is in terms of growth and development, resisting harmful substance, dewatered sludge and biomass with bigger
Advantage.Therefore, it is handled using disjunctor layer, i.e., hybrid giant napier branch is overwhelmed on toxic sludge, it is kept to be connected to increasing with parent
Its strong ability for resisting harmful substance, so that the implantation methods of tillering node Rapid Rooting germination, are that one kind allows hybrid giant napier toxic
Quick flourish on sludge, and accelerate the more efficient method of sludge reduction.
The processing of 2 culturing and transplanting seedlings of table is compared with disjunctor layer treatment effect
Embodiment 2
In order to further study the necessity of hybrid giant napier disjunctor in the processing of disjunctor layer, the further of the present embodiment is carried out
Research.
It will grow fine, the hybrid giant napier with tillering node cuts off at 10~20cm on the ground, and lain in a horizontal plane in dress
On the nutrient bag for having 6kg sludge, and hybrid giant napier tillering node is covered with sludge, be arranged three in parallel, can observation hybrid giant napier survive.
Space management is set simultaneously, i.e., fills 6kg sludge using nutrient bag, does not plant hybrid giant napier, is arranged three in parallel, to compare the processing
To the effect of sludge drying.
Experimental result discovery, hybrid giant napier is cut off, and one whole plant of hybrid giant napier is horizontal positioned and is planted on sludge, hybrid giant napier without
Method survives, and all tillering nodes do not root, and completely withered in experiment third week hybrid giant napier, experiment stops.In three weeks realities
In testing, the moisture percentage in sewage sludge of each week hybrid giant napier processing and the moisture percentage in sewage sludge of space management are without significant difference, specific data
As shown in table 3, show that the embodiment fails.Therefore connection parent be hybrid giant napier branch is carried out on toxic sludge tiller grow must
Indispensable condition.
The not disjunctor hybrid giant napier processing moisture percentage in sewage sludge variation (%) of table 3
Note: data are mean+SD, examine (p < 0.05) according to DuncanShi, indicate with same letter in a line
There was no significant difference between processing, n=3.
Above-described embodiment 1 is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by change, modification, substitution, combination, letter
Change, should be equivalent substitute mode, be included within the scope of the present invention.
Claims (9)
1. a kind of method for allowing hybrid giant napier quick flourish on sludge, which comprises the steps of:
(1) the stalk level of the hybrid giant napier grown naturally is overwhelmed on sludge, and with the tillering node of sludge covering hybrid giant napier；
(2) after the tillering node of the hybrid giant napier roots, contacting for hybrid giant napier stalk and parent is cut off.
2. the method according to claim 1 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
Hybrid giant napier described in step (1) is the hybrid giant napier with tillering node；
Sludge described in step (1) is municipal sludge.
3. the method according to claim 2 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
Hybrid giant napier described in step (1) is the hybrid giant napier at least having there are two tillering node.
4. the method according to claim 1 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
The opportunity of cutting hybrid giant napier stalk and parent contacted described in step (2) is that the hybrid giant napier is grown at least one week
When.
5. the method according to claim 1 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
The opportunity of cutting hybrid giant napier stalk and parent contacted described in step (2) is that the hybrid giant napier is grown at least two weeks
When.
6. the method according to claim 1 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
Sludge described in step (1) is to have phytotoxic municipal sludge；
Sludge described in step (1) is the sludge of 60% or more moisture content.
7. the method according to claim 6 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
Hybrid giant napier described in step (1) is the hybrid giant napier to grow fine；
8. the method according to claim 1 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
Sludge described in step (1) is loaded in nutrient bag；
Every plant of hybrid giant napier plantation described in step (1) is in the 6kg sludge below.
9. the method according to claim 8 for allowing hybrid giant napier quick flourish on sludge, it is characterised in that:
The nutrient bag is high 28cm, the nutrient bag of diameter 30cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811291128.2A CN109275435B (en) | 2018-10-31 | 2018-10-31 | Method for rapid propagation and growth of pennisetum hydridum on municipal sludge |
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| CN201811291128.2A CN109275435B (en) | 2018-10-31 | 2018-10-31 | Method for rapid propagation and growth of pennisetum hydridum on municipal sludge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937689A (en) * | 2020-08-10 | 2020-11-17 | 中交第四航务工程局有限公司 | Method for ecologically solidifying dredged soil by planting specific plants |
| CN112174461A (en) * | 2020-08-18 | 2021-01-05 | 福州尊龙生物养殖技术有限公司 | Treatment method of domestic sludge |
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| GB2377152B (en) * | 2001-07-06 | 2004-12-08 | Seymour Cemoun Daniels | Cuttings made easy |
| CN101790928A (en) * | 2009-12-23 | 2010-08-04 | 秦少闻 | Method for rapidly propagating big camphor trees by layering high stems |
| CN103385097A (en) * | 2013-07-03 | 2013-11-13 | 华南农业大学 | Method for converting city sludge into plant products by utilizing pennisetum hydridum |
| CN103493659A (en) * | 2013-09-22 | 2014-01-08 | 华南农业大学 | Method for quick breeding and seedling growing of pennisetum hydridum |
| CN104969748A (en) * | 2015-06-23 | 2015-10-14 | 邵利 | Layering propagation method for tomatoes |
| KR20180075828A (en) * | 2016-12-27 | 2018-07-05 | 구민규 | Greening method using vegetation soil for induction of early greening and natural vegetation in non-land and barren environment |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2377152B (en) * | 2001-07-06 | 2004-12-08 | Seymour Cemoun Daniels | Cuttings made easy |
| CN101790928A (en) * | 2009-12-23 | 2010-08-04 | 秦少闻 | Method for rapidly propagating big camphor trees by layering high stems |
| CN103385097A (en) * | 2013-07-03 | 2013-11-13 | 华南农业大学 | Method for converting city sludge into plant products by utilizing pennisetum hydridum |
| CN103493659A (en) * | 2013-09-22 | 2014-01-08 | 华南农业大学 | Method for quick breeding and seedling growing of pennisetum hydridum |
| CN104969748A (en) * | 2015-06-23 | 2015-10-14 | 邵利 | Layering propagation method for tomatoes |
| KR20180075828A (en) * | 2016-12-27 | 2018-07-05 | 구민규 | Greening method using vegetation soil for induction of early greening and natural vegetation in non-land and barren environment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937689A (en) * | 2020-08-10 | 2020-11-17 | 中交第四航务工程局有限公司 | Method for ecologically solidifying dredged soil by planting specific plants |
| CN112174461A (en) * | 2020-08-18 | 2021-01-05 | 福州尊龙生物养殖技术有限公司 | Treatment method of domestic sludge |
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| CN109275435B (en) | 2021-06-25 |
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