CN107135859A - A kind of method that use degradable device protects robur seedling - Google Patents
A kind of method that use degradable device protects robur seedling Download PDFInfo
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- CN107135859A CN107135859A CN201710253119.3A CN201710253119A CN107135859A CN 107135859 A CN107135859 A CN 107135859A CN 201710253119 A CN201710253119 A CN 201710253119A CN 107135859 A CN107135859 A CN 107135859A
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- seedling
- robur
- protection pipe
- protection
- mesh screen
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Classifications
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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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
-
- 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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0225—Wind breakers, i.e. devices providing lateral protection of the plants
-
- 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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0243—Protective shelters for young plants, e.g. tubular sleeves
-
- 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
- A01G13/00—Protecting plants
- A01G13/10—Devices for affording protection against animals, birds or other pests
-
- 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
- A01G13/00—Protecting plants
- A01G13/10—Devices for affording protection against animals, birds or other pests
- A01G13/105—Protective devices against slugs, snails, crawling insects or other climbing animals
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Birds (AREA)
- Insects & Arthropods (AREA)
- Protection Of Plants (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
A kind of method that use degradable device protects robur seedling, comprises the following steps:1. the protection pipe of degradation material making and both ends open is chosen;2. protection pipe inner bottom part is formed with a circle draining mesh screen, and up interval is formed with multiple rows of rows of openings, and often arranging rows of openings includes multiple passages;3. protection bottom of the tube is nuzzled soil, exposes and most descend row's draining mesh screen, top oblique pull is fixed on ground and fixation;4. choose the abundant plant of dry type good results amount in robur forest land and, as elite stand, multiple protection pipes are disposed around elite stand, by the seed of landing or 1 year raw seedling cover;5. the firmness of protection pipe is inspected periodically, draining mesh screen is cleared up;6. the seedling protected after 3~4 years has formed independent plants, can normal growth;7. the protection pipe that the degradation material remained makes both ends open can progressively be degraded in the presence of illumination and microorganism.By this method the seed of robur and seedling can be protected not to be gnawed by mouse, bird, beast, prevent wind and rain from encroaching on.
Description
Technical field
The invention belongs to Forest Cultivation and scondary forest more frontier, it is related to a kind of using degradable device protection robur seedling
Method.
Background technology
Oakery refers to the standing forest being mainly made up of Fagaceae oak kind.For global range, oak category
(Quercus.spp) seeds numerous types, it is widely distributed, it is warm temperate zone and semi-tropical mainly by property plant, is important
Hardwood seeds, with very high economic value.The hm of China's oakery area 17,260,0002, distribution is from 18 ° of north latitude~53 °, east longitude
98 °~130 °, 27 provinces are distributed mainly on, national standing forest area 15.89% is accounted for, oakery always accumulates 12.09 hundred million m3, account for the whole nation
Stand 13.30%.According to the scope of its distribution, 6 kinds of the type of blazoning can be divided into, middle 8 kinds of cloth type, narrow 13 kinds of cloth type, mainly
Oak belongs to the seeds that grow into forest and included:Quercus acutissima (Quercus acutissima), cork oak, Quercus liaotungensis (Quercus
Wutaishanica), Mongolian oak, Sharptooth Oak (Quercus aliena var.acutiserrata), oriental white oak (Quercus
Aliena), live oak (Quercus dentata) etc..Oakery is in sides such as water conservation, water and soil conservation, fertilizing soil, improvement environment
Face plays the important function for safeguarding ecological safety.
The major way that oakery updates includes zoogamy and the aspect of vegetative propagation two.With the stump of vegetative propagation sprout seedling,
Rhizome is sprouted seedling and compared, the features such as by the seedling of Seed Development there is gene diversity to enrich, grow vigorous, long lifespan, is
Maintain the important guarantee of oak class population scale.However, oak class fruit is commonly called as acorn nut, average starch content is up to 50.6%~
58.7%, insect pest and mouse, bird are subject to after planting and is taken food.Research is found, under muroid transportation, robur seed
Half time-to-live was usually 0.6~8.6d.At sylvan life and storey, more with the Fence effect (Sciurotamias of Sciuridae
Davidianus based on);Border is more based on vole University of Science and Technology ear Ji mouse (Apodemnus latronum).Crawley and Long
And Du etc. is it also holds that the seed of oak plant contains abundant starch, it is the good deposit food survived the winter, squirrel can be attracted
Tibetan is carried Deng rodent to it to look for.Even if a small number of seeds are sprouted, but its seed residuum can also attract pika to gnaw to bite, and then
Destroy growth of seedling.
Due to global warming and distribution ground habitat destruction, oakery forest land year hip number is gradually decreased.Moreover, only
There is the seed fallen in safety island to be just avoided that the toxic action of the infringement, competition and soil of animal, final sprouting, seedling, shape
Cheng Xin individual.Input from Seed Rain, to seed sprout survival again to seedling, taken food by animal, intensity of illumination, the photophase,
The factors such as soil moisture, nutrient are limited, and seed consume is larger, and planting percent is relatively low, seriously constrain oak plant population rule
The development of mould and the renewal of oakery.Therefore, suitable growing space is manually set up, it is ensured that robur seed is sprouted and growth of seedling institute
The safe space and thermal and hydric environment needed is the important guarantee for maintaining oak class population recruitment, is realize oakery Sustainable Operation effective
Premise.
The content of the invention
, can by this method it is an object of the invention to provide a kind of method that use degradable device protects robur seedling
Do not gnawed with the seed and seedling of protecting robur by mouse, bird, beast, prevent wind and rain from encroaching on.
As above conceive, the present invention is to be achieved through the following technical solutions:
A kind of method that use degradable device protects robur seedling, comprises the following steps:
1. the protection pipe of degradation material making and both ends open is chosen;
2. protection pipe inner bottom part is formed with a circle draining mesh screen, and up interval is formed with multiple rows of rows of openings, often arranges rows of openings bag
Include multiple passages;
3. protection bottom of the tube is nuzzled soil, exposes and most descend row's draining mesh screen, top oblique pull is fixed on ground, each protection
Pipe is fixed by multiple legs;
4. choose the abundant plant of dry type good results amount in robur forest land and, as elite stand, multiple guarantors are disposed around elite stand
Pillar, by the seed of landing or 1 year raw seedling cover;
5. the firmness of protection pipe is inspected periodically, draining mesh screen is cleared up, it is to avoid blocked;
6. the seedling protected after 3~4 years has formed independent plants, can normal growth;
7. the protection pipe that the degradation material remained makes both ends open can progressively drop in the presence of illumination and microorganism
Solution, it is not necessary to cleaning out sample.
The protection pipe is made using degradation material high transparency polylactic acid PLA, protects 10~15cm of bore, thickness of pipe wall
5~10mm, long 70cm~100cm.
The one circle draining mesh screen is arranged at distance protection bottom of the tube 5cm, the long 5cm of mesh screen, mesh size 2mm, interval
2mm, thus up has a rows of openings every 10cm, often arranges 4~6 passages.
The protection bottom of the tube 5cm is nuzzled soil, and its top is fixed on ground using 45~60 ° of high intensity iron wire oblique pull,
Each pipe fixes 3~4 legs.
10~20 protection pipes are disposed around the robur elite stand.
The leg uses length 8~10cm timber wedges.
Compared with prior art, the present invention has following beneficial technique effect:
1. the present invention solves the phenomenon that oak class fruit (acorn nut) is easily taken food by rodent and birds, reduces rubber
Son is handled upside down and gnawed rate 20%~58%.
2. avoid seed sprout, the windburn during growth of seedling, burn day, the infringement of sleet disaster, improve life in 3 years
The storage rate 37%~56% of oak class seedling, can effectively maintain population recruitment.
3. the protection pipe made using degradation material, it is possible to decrease forest land disposal costs, the Harmful Waste for reducing generation, is protected
Protect a forest ground health.
Brief description of the drawings:
Fig. 1 is the structural representation of protection pipe.
Embodiment:
A kind of method that use degradable device protects robur seedling, comprises the following steps:
1) protection pipe that high transparency polylactic acid PLA degradation material makes, the 10~15cm of internal diameter of protection pipe 1, tube wall are chosen
Thickness 5~10mm, long 70cm~100cm, both ends open;
2) a circle draining mesh screen 3 is formed with distance protection bottom of the tube 5cm, mesh screen long 5cm, mesh size 2mm are spaced 2mm, with
Prevent from gathering rainwater in pipe, thus up have a rows of openings every 10cm, often arranging 4~6 is used as passage 2;
3) protection bottom of the tube 5cm is nuzzled soil, exposes and most descend row's draining mesh screen, top uses high intensity iron wire oblique pull 45
~60 ° are fixed on ground, and each protection pipe fixes 3~4 legs, and leg uses length 8~10cm timber wedges;
4) choose the abundant plant of dry type good results amount in robur forest land and, as elite stand, 10~20 are disposed around elite stand
Individual protection pipe, by the seed (acorn nut) of landing or 1 year raw seedling cover, protecteds from rodent and gnaws and wind and rain calamity
Evil;
5) firmness of protection pipe is inspected periodically, draining mesh screen is cleared up, it is to avoid blocked;
6) seedling protected after 3~4 years has formed independent plants, can normal growth;
7) the high transparency poly-lactic acid material of residual can progressively be degraded in the presence of illumination and microorganism, it is not necessary to be cleaned out
Sample.
The specific method contrast experiment using degradable device protection robur seedling is designed below, to illustrate this method pair
The protecting effect of robur seedling:
[experimental design]
Choice experiment region be Part of The Qinling Mountains In Shaanxi Province North Slope of Middle Section Louguantai Taoist Temple forest farm (33 ° of 42' -34 ° 14'N, 107 ° of 39' -
108 ° of 37'E), 570~1020m of height above sea level belongs to the continental monsoon climate in warm temperate zone, average annual precipitation 674.3mm, average annual evaporation capacity
1109.7mm. soil is mountain cinnamonic soil.Zonal vegetation is Temperate Forest Ecosystems, and the main arbor constructive species in forest land is cork
Oak.
The forest farm implemented wildwood fencing safeguard measure from 1985, and the development of oak Forest forest form is preferable, and cork oak accounts for
More than the 90% of standing forest composition.This studies relatively neat in early August, 2009 selection forest form, the location that forest is evenly distributed,
12 10m × 10m sample is set.Wherein, treatment group uniform placement protection pipe 20,50 and 80, and not pacify respectively
It is control with filling protection pipe sample, repeats 3.
[index determining]
Each sample is divided into 1m × 1m grid 100 with monitoring is taken food by Acorn removal, checks grid in detail every time
Interior acorn nut quantity (including the acorn nut in protection pipe and seedling).Because Acorn removal and taking food occurs with planting simultaneously, this research
Acorn nut quantity when terminating (time is 2009.10.15) using Seed Rain is radix, acorn nut in sample ground during statistics 2009.12.15
Quantity is carried and takes food situation.To count the difference of acorn nut quantity twice as the seed number carried;With with obvious cattle grazing trace
Mark is to gnaw seed.Consider natural cause cause seed to disappear, using multiple samples average as statistical value.
Seed germination rate, seedling numbers and 1 year raw seedling survival rate in growth of seedling monitoring and statisticses monitoring sample ground, and point
Xuan Ze not protect protection of pipe and 6~8 plants of seedling growing naturally, terminate (before and after October 15) in annual Growing season and measure it
Base footpath and plant height, protection pipe is gently removed avoid damage to seedling during measurement.
Degradation experiment uses soil buries method, in being embedded in after the PLA standard specimens of shaping are weighed in experimental forest differently,
Depth 20cm.Micropopulation of the PLA standard specimen degrading microorganism sources from soil.1 group of test specimen (3 therein was taken out every 1 year
Individual Duplicate Samples).Remove the impurity on its surface.Then test specimen is put into vacuum drying chamber to adopt after dry 24h at a temperature of 50 DEG C
Quality before and after being degraded with electronic balance (0.0001g) accurate weighing PLA standard specimens, takes its mean value calculation PLA standards to try
Part mass loss rate.PLA standard specimens tensile strength and impact strength, tensile strength and punching are tested using omnipotent test machine for mechanism
Hit intensity test is carried out according to GB/T13525-92.
[experimental result]
Robur seedling protection pipe is installed below by contrast and seed and seedling survival and the life on protection pipe sample ground are not installed
Long situation illustrates specific effect:
Table 1 installs robur seedling protection pipe and does not install the acorn nut and seedling survival situation on protection pipe sample ground
Mid-August, Quercus variabilis on northern slope of Qinling Mountains seed maturity starts to drop from mid-September to October, and in November
The first tenday period of a month terminate, and starting phase, 3 stages of peak period and latter stage are divided into according to planting quantity.During planting, along with rodent
The collection of animal and gnaw, the seed amount on each sample ground of sample investigation immediately after planting terminates, protection pipe 20,50 is installed
In the sample ground of 80, acorn nut preserves quantity and is higher by with not installing sample 3.1%, 5.4%, 10% respectively;Planting terminates latter 1
Month, Acorn removal and situation of gnawing are found with investigating sample, compared with not installing protection pipe sample, with installing three samples of protection pipe
Carrying rate reduces 20.8%, 54.2% and 58.3% respectively, and the rate of gnawing reduces 24.5%, 48.1% and 56.3%;Second
Year spring statistics sample ground quantity of emerging, the seedling numbers sprouted with installing three samples of protection pipe substantially increase, and children then
The seedling death rate have dropped 7.9%, 21.7%, 24.8% respectively;(protection pipe is installed the 4th year) the 3rd year after planting, in protection pipe
Seedling it is intact, and unprotected seedling numbers reduce it is obvious.Due to cattle grazing, trample on the 3 years raw seedling in control sample ground
Only survive 17 plants, the 3 years raw seedling numbers preserved with installing three samples of protection pipe increase intimate 2~4 times, life in 3 years respectively
Seedling storage rate adds 37.5%, 47.9%, 56.3% respectively.
Seedling and the contrast of unprotect pipe seedling growth in the protection pipe of table 2.
Protection pipe and the growth of seedling situation of unprotect pipe are contrasted, seedling height increase in protection pipe is found, but the two is poor
It is different unobvious.Compared with unprotected pipe, annual seedling height increase by 12.9%, 8.5%, 19.3% in protection pipe, and
Ground diameter difference is little.
The high transparency poly-lactic acid material quality and change of mechanical property of the different degradation times of table 3.
Shown in table 3, PLA test specimens extend with degradation time in soil, and degraded accelerates, mechanical characteristic is deteriorated.Embedding three
Year, quality reduced trend substantially respectively, and mass loss rate is in gradually to increase trend;Impact strength is gradually reduced, with First Year phase
54.9% than, the 3rd year impact strength decreased, tensile strength have dropped 44.5%.Illustrate that high transparency poly-lactic acid material has preferably
Degradation characteristic.
Claims (6)
1. a kind of method that use degradable device protects robur seedling, it is characterised in that:Comprise the following steps:
1. the protection pipe of degradation material making and both ends open is chosen;
2. protection pipe inner bottom part is formed with a circle draining mesh screen, and up interval is formed with multiple rows of rows of openings, often arranges rows of openings including many
Individual passage;
3. protection bottom of the tube is nuzzled soil, exposes and most descend row's draining mesh screen, top oblique pull is fixed on ground, each protection pipe is led to
Multiple legs are crossed to fix;
4. choose the abundant plant of dry type good results amount in robur forest land and, as elite stand, multiple protections are disposed around elite stand
Pipe, by the seed of landing or 1 year raw seedling cover;
5. the firmness of protection pipe is inspected periodically, draining mesh screen is cleared up, it is to avoid blocked;
6. the seedling protected after 3~4 years has formed independent plants, can normal growth;
7. the protection pipe that the degradation material remained makes both ends open can progressively be degraded in the presence of illumination and microorganism, no
Need with cleaning out sample.
2. the method that a kind of use degradable device according to claim 1 protects robur seedling, it is characterised in that:It is described
Protection pipe is made using degradation material high transparency polylactic acid PLA, protects 10~15cm of bore, 5~10mm of thickness of pipe wall, long
70cm~100cm.
3. the method that a kind of use degradable device according to claim 1 protects robur seedling, it is characterised in that:It is described
One circle draining mesh screen is arranged at distance protection bottom of the tube 5cm, the long 5cm of mesh screen, mesh size 2mm, interval 2mm, thus up every
There is a rows of openings every 10cm, often arrange 4~6 passages.
4. the method that a kind of use degradable device according to claim 1 protects robur seedling, it is characterised in that:It is described
Protection bottom of the tube 5cm is nuzzled soil, and its top is fixed on ground using 45~60 ° of high intensity iron wire oblique pull, and each pipe fixes 3
~4 legs.
5. the method that a kind of use degradable device according to claim 1 protects robur seedling, it is characterised in that:It is described
10~20 protection pipes are disposed around robur elite stand.
6. the method that a kind of use degradable device according to claim 4 protects robur seedling, it is characterised in that:It is described
Leg uses length 8~10cm timber wedges.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108040704A (en) * | 2017-12-20 | 2018-05-18 | 四川省农业科学院土壤肥料研究所 | A kind of anti-bird pest protective device and preparation method thereof |
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CN205124562U (en) * | 2015-11-30 | 2016-04-06 | 贾军平 | Treelet protection device |
CN205408882U (en) * | 2016-03-18 | 2016-08-03 | 天津市世明塑料制品有限公司 | Novel sapling protective sheath |
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2017
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EP2368422A2 (en) * | 2010-03-22 | 2011-09-28 | Peter Witasek | Plant protection device |
CN103026935A (en) * | 2012-12-26 | 2013-04-10 | 华南师范大学 | Mangrove plant big seedling transplantation protective cover and application thereof |
CN203801389U (en) * | 2014-02-17 | 2014-09-03 | 张成梁 | Protective mesh barrel for preventing mice and rabbits from harming seedlings |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108040704A (en) * | 2017-12-20 | 2018-05-18 | 四川省农业科学院土壤肥料研究所 | A kind of anti-bird pest protective device and preparation method thereof |
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Application publication date: 20170908 |