CN108094014A - A kind of method with hedgerow barrier highway automobile tail gas heavy metal pollution tea place - Google Patents
A kind of method with hedgerow barrier highway automobile tail gas heavy metal pollution tea place Download PDFInfo
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- CN108094014A CN108094014A CN201711317882.4A CN201711317882A CN108094014A CN 108094014 A CN108094014 A CN 108094014A CN 201711317882 A CN201711317882 A CN 201711317882A CN 108094014 A CN108094014 A CN 108094014A
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- tea
- hedgerow
- tree
- highway
- tea place
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention provides a kind of method with hedgerow barrier highway automobile tail gas heavy metal pollution tea place, in the highway side Zhong You tea places that wagon flow is fast, vehicle flowrate is big, generation vehicle exhaust is denseer.In the hedgerow of roadside planting certain altitude, for obstructing vehicle exhaust, so as to effectively prevent pollution of the heavy metal for tea place in vehicle exhaust.The method of the present invention is beneficial to protection tea garden environment, beneficial to guarantee quality and safety of tea.
Description
Technical field
The invention belongs to Tea Science field, it is related to the highway roadside planting hedgerow in tea area is navigated within, to obstruct vapour
Pollution of the heavy metal for tea place in tail gas.
Background technology
As the improvement of people's living standards, more people like product to drink tea leaf.It drinks tea health, work pressure can be mediated by drinking tea
Power, friendship can be increased by drinking tea.But quality and safety of tea problem is also constantly bringing people's worry.Trigger tea quality peace
One of the main reason for full problem is the heavy metal contained in the vehicle exhaust navigated on tea area highway.On highway
Automobile is more, automobile flowing is fast, the tail gas of discharge is dense, it is necessary to research and develop and feasible overcome technology and put into practice.
The content of the invention
The object of the present invention is to provide a kind of method with hedgerow barrier highway automobile tail gas heavy metal pollution tea place,
It is realized by following steps：Between tea place to be isolated and highway, dense planting height be 2.0m~2.5m shrub tree, shrub tree
Between it is intensive be connected, form green hedge, the tea place ground and highway pavement are contour.
The seeds of the green hedge of composition are the seeds for being suitable for acid soil, the pH scopes 3.0~6.5 of acid soil, and
Seeds do not influence for tea leaf quality, Tea Pest Fauna, the optional camellia tree of seeds, tea oil tree, gardenia, sago cycas and black meal
One or more among tree.
The tea place tea tree height is less than 1.0m, and 0.3-0.7m of the distance between the tree and tree is connected with intensive
The green hedge of composition, green hedge height are 2.0m~2.5m.
Specific embodiment
1 materials and methods
1.1 experimental field overview and sample collections
In early July, 2014 selects 400m as test section in Zhejiang Province Songyang County tea area at the foot of the hill one section of highway,
Highway is walked in tea place.In January, 2015 selects wherein 200m, roadside planting 2.2m high tea oil tree as hedgerow, and one
Directly maintain the height.Tea place depths 500m is stretched on 5 ° of hillside as hedgerow area from hedgerow；In addition hedgerow is not planted in 200m sections, from
Tea place depths 500m is stretched to as CK areas in roadside.In in hedgerow area and CK areas, divide in mid-July, 2014 and in mid-July, 2016
Not away from roadside 0m, 100m, 200m, 300m, 400m and 500m pick 1 bud, the 1 leaf tea tip and into leaf (the 5th leaf under bud), collect
Topsoil soil returns indoor detection.
1.2 sample pre-treatments and analysis
Tea Samples：80 DEG C of baked tea samples, then crush, and weigh 1.0g samples in 30ml porcelain crucibles, put crucible in electricity
It heats to carbonize tea sample on hot plate, treats that sample carbonizes, smoke disperses, and sample moves into high-temperature electric resistance furnace.It is to slowly warm up to 500 ± 25
DEG C, constant temperature 2h treats sample in canescence, cooling.Injection 1:1HNO32mL is dissolved by heating, cleaned with deionized water, cleaning solution
It moves into 25mL volumetric flasks, constant volume is to be measured.
Pedotheque：Using the wet digesting processing of HNO3-HF-HClO4, the available heavy metal constituent content of soil sample is adopted
With 0.1N HCl with 1: 5 native liquor ratio vibration extraction 1.5h, then filter, filtrate is detected with ICP-OES methods.
The content of lead, arsenic, cadmium, chromium, copper, magnesium, manganese, sodium, nickel and zinc in solution is sent out with inductance coupled plasma-atomic
Penetrate spectrometer (ICP-OES) measure, model IRIS/AP, the production of power ＆ light company of the U.S..With national standard reference object during measure
Matter-tealeaves standard sample GBW 07605 (GSV-4) is used as quality control standard, to ensure the accuracy of determination data.
Detector C ID low bands (＜ 265nm) time of integration is 15s, high band (＞ 265nm) time of integration 5s；Sample introduction
Wriggling revolution speed 100r/min；Sample introduction atomizer argon pressure is 193kPa；Secondary air amount is 1.0L/min；Radio-frequency generator
Power is 1500w.It is repeated 3 times.
2 results and analysis
2.1 do not plant under the natural situation of hedgerow tender tip and into 10 kinds of constituent contents in leaf and table soil
In July, 2014 not yet plants hedgerow, and testing result shows：(1) draft for hedgerow area and CK areas away from roadside 0m,
1 bud, 1 leaf tender tip, Cheng Ye and table soil content of beary metal be not bright between Liang Ge areas at 100m, 200m, 300m, 400m and 500m
Significant difference is different, for example, 1 bud, 1 leaf tender tip, Cheng Ye and table soil at hedgerow offset roadside 0m, 100m, 200m, 300m, 400m and 500m
The lead content scope of layer is respectively 0.25mg/kg -0.53mg/kg, 0.47mg/kg -2.11mg/kg and 23.11mg/
kg—37.46mg/kg；It corresponds, 1 bud, 1 leaf at CK offsets roadside 0m, 100m, 200m, 300m, 400m and 500m is tender
The lead content scope of the tip, Cheng Ye and table soil be respectively 0.28mg/kg -0.61mg/kg, 0.57mg/kg -2.34mg/kg and
23.29mg/kg—39.07mg/kg；Correspondingly, the copper content scope of 1 bud, the 1 leaf tender tip for hedgerow area, Cheng Ye and table soil is drafted
Respectively 5.43mg/kg -16.03mg/kg, 4.26mg/kg -11.49mg/kg and 3.03mg/kg -11.11mg/kg,
Draft 1 bud, the 1 leaf tender tip for CK areas, Cheng Ye and table soil copper content scope difference 4.79mg/kg -15.91mg/kg,
4.31mg/kg -10.88mg/kg and 3.21mg/kg -12.08mg/kg.(2) from roadside towards tea place depths 500m, 10
Apparent decline trend is not presented for content of the kind element in 1 bud, 1 leaf tender tip, Cheng Ye and table soil, does not show that the heavy metal in roadside contains
Amount is more than the situation of the content of beary metal of tea place depths；(3) content of Cheng Yezhong lead, arsenic, chromium and manganese is significantly greater than it in tender tip
In content；Copper in tender tip, magnesium, the content of zinc and nickel are significantly greater than it in Cheng Yezhong contents；Cadmium is in tender tip, Cheng Ye and table soil
Content very little；Distribution of the sodium content in tender tip and old leaf is irregular (table 1).
Tender tip and into 10 kinds of constituent contents in leaf and table soil after 2.2 kinds of plant hedgerow a year and a halfs
Plant hedgerow in January, 2015, the testing result in i.e. in July, 2016 is as shown in table 2 after 1 year half, shows：(1) it is green
Tender tip, Cheng Ye and topsoil content of beary metal still do not have in tender tip, Cheng Ye and topsoil content of beary metal and CK areas in hedge area
Notable difference, for example, 1 bud, 1 leaf tender tip, Cheng Ye and table at hedgerow offset roadside 0m, 100m, 200m, 300m, 400m and 500m
The lead content scope of soil layer is respectively 0.23mg/kg -0.56mg/kg, 0.45mg/kg -2.13mg/kg and 23.05mg/
kg—37.42mg/kg；
It corresponds, the constituent contents such as CK areas lead, copper slightly rise.Such as CK offsets roadside 0m, 100m, 200m,
The lead content scope of 1 bud, 1 leaf tender tip, Cheng Ye and topsoil at 300m, 400m and 500m be respectively 0.30mg/kg-
0.63mg/kg, 0.75mg/kg -3.05mg/kg and 24.26mg/kg -39.79mg/kg；For another example, 1 bud, 1 leaf in hedgerow area
The copper content scope of tender tip, Cheng Ye and table soil be respectively 5.44mg/kg -15.44mg/kg, 4.28mg/kg -11.53mg/kg,
And the copper content scope difference 5.13mg/ of 1 bud, the 1 leaf tender tip in 3.11mg/kg -10.90mg/kg, CK area, Cheng Ye and table soil
Kg -17.11mg/kg, 4.40mg/kg -12.67mg/kg and 3.45mg/kg -13.01mg/kg.
2.3 conclusion
Although it is denseer than ordinary highway to walk highway tail gas of getting on the car, containing various heavies such as lead in tail gas,
The content very little of these heavy metals is also not enough to pollution tea place.If in public roadside planting hedgerow, vapour can be effectively obstructed
Pollution of the heavy metal for tea place in tail gas.
Table 1 establishes before hedgerow on the site away from highway roadside different distance tender tip and into 10 kinds of member in leaf and table soil
Cellulose content (unit：mg/kg)
Note：Each data are the detection average value of 3 times in table
Table 2 establishes after hedgerow 1 year half on the site away from highway roadside different distance tender tip and into leaf and table soil
10 kinds of constituent content (units：mg/kg)
Claims (4)
- A kind of 1. method with hedgerow barrier highway automobile tail gas heavy metal pollution tea place, it is characterised in that pass through following step It is rapid to realize：Between tea place to be isolated and highway, dense planting height is the tree of 2.0m~2.5m, intensive between tree and tree to be connected, The green hedge of composition, 0.3-0.7m of the distance between the tree and tree, the tea place ground and highway ground etc. It is high.
- 2. according to the method described in claim 1, it is characterized in that the seeds of the green hedge of composition are to be suitable for acid soil Shrub species, the pH scopes 3.0~6.5 of acid soil, and seeds do not influence for tea leaf quality, Tea Pest Fauna.
- 3. method according to claim 1 or 2, it is characterised in that the seeds of the green hedge of composition are camellia tree, gardenia, One or more in sago cycas and blueberry.
- 4. according to the method described in claim 1, it is characterized in that the tea place tea tree height is less than 1.0m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711317882.4A CN108094014A (en) | 2017-12-12 | 2017-12-12 | A kind of method with hedgerow barrier highway automobile tail gas heavy metal pollution tea place |
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| CN201711317882.4A CN108094014A (en) | 2017-12-12 | 2017-12-12 | A kind of method with hedgerow barrier highway automobile tail gas heavy metal pollution tea place |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1080222A (en) * | 1996-09-09 | 1998-03-31 | Furuta Denki Kk | Tea garden maintenance truck of all the time attendance type |
| CN101233804A (en) * | 2007-01-29 | 2008-08-06 | 四川圣硒贡茗茶业科技有限公司 | Organophilic cultivation method for tea |
| CN104285659A (en) * | 2014-10-28 | 2015-01-21 | 王春红 | Organic tea cultivating method |
| CN105638174A (en) * | 2014-11-26 | 2016-06-08 | 双牌绿香源茶叶种植专业合作社 | Organic tea planting method |
-
2017
- 2017-12-12 CN CN201711317882.4A patent/CN108094014A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1080222A (en) * | 1996-09-09 | 1998-03-31 | Furuta Denki Kk | Tea garden maintenance truck of all the time attendance type |
| CN101233804A (en) * | 2007-01-29 | 2008-08-06 | 四川圣硒贡茗茶业科技有限公司 | Organophilic cultivation method for tea |
| CN104285659A (en) * | 2014-10-28 | 2015-01-21 | 王春红 | Organic tea cultivating method |
| CN105638174A (en) * | 2014-11-26 | 2016-06-08 | 双牌绿香源茶叶种植专业合作社 | Organic tea planting method |
Non-Patent Citations (1)
| Title |
|---|
| 王梦馨等: "绿篱阻隔公路粉尘铜污染茶园的研究", 《安徽农学通报》 * |
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Application publication date: 20180601 |