CN107173156A - A kind of method that utilization elm and its sylvan life skinning improve Desert Regions carbon sequestration capacity - Google Patents

A kind of method that utilization elm and its sylvan life skinning improve Desert Regions carbon sequestration capacity Download PDF

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Publication number
CN107173156A
CN107173156A CN201710495557.0A CN201710495557A CN107173156A CN 107173156 A CN107173156 A CN 107173156A CN 201710495557 A CN201710495557 A CN 201710495557A CN 107173156 A CN107173156 A CN 107173156A
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China
Prior art keywords
elm
artificial forest
seedling
artificial
desert regions
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CN201710495557.0A
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王让会
彭擎
宁虎森
蒋烨林
吴晓全
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00—Methods for working soil
    • A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
    • 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
    • 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
    • A01G23/00—Forestry

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Botany (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention discloses a kind of method that utilization elm and its sylvan life skinning improve Desert Regions carbon sequestration capacity, comprise the following steps：Step one, local herbage, stalk, fallen leaves are collected, microorganism is added and cultivates region progress compost in artificial forest；Step 2, cultivates artificial forest region site preparation, the healthy no disease and pests harm elm seedling of transplanting, and provides moisture using drip irrigation technique for elm seedling, and drip irrigation 20 30 times altogether before and after transplanting are average per 677m2Cultivate 10~15m of regional irrigation3；Wherein, the height of seedling of transplanting elm seedling is more than 1.5m, and line space is (2.5 3.5) m* (2 3) m；Step 3, takes biological breadcrust under the local Yushulin of growth naturally, large-scale cultivation is carried out by way of artificial culture, is then inoculated to artificial forest, 60~80% areas under covering artificial forest, drip irrigation simultaneously applies nutrient solution；It is incubated by overlay film, sunshade and sprinkling irrigation cooling are handled, it is 10~28 DEG C to keep biological breadcrust growth temperature, and growth humidity is 70~80%.This method can increase Desert Regions topsoil organic carbon content, improve Desert Regions carbon sequestration capacity.

Description

A kind of method that utilization elm and its sylvan life skinning improve Desert Regions carbon sequestration capacity
Technical field
The present invention relates to improve Desert Regions carbon sequestration technology, and in particular to is carried using elm (Ulmus pumilaL.) plantation High desert vegetation and soil carbon sequestration capacity using, at the same using sylvan life artificial bio-membrane skinning improve the organic carbon fixation in Desert Regions underground and The method of photosynthetic carbon fixation.
Background technology
At present, Global climate change has become undisputable fact, the ecosystem caused by large-scale mankind's activity Carbon cycle and Carbon budget it is unbalance be global warming main pushing hands.Research shows, as Carbon budget is lasting unbalance in Global Scale, Global arid and semi-arid area area will accelerate expansion, and more than the 50% of Global land surface will be accounted for 21 century Mo.It is simultaneously complete The 75% of ball arid and semi-arid area extended area will occur in developing country, further increase developing country's land deterioration Risk and expand country between economic development produce a polarization degree, and then influence the world harmony with stably (Huang Jianping).Carbon sequestration Increasing is converged into as one of the maximally effective approach of slowing global warming, the important content also developed into various countries, every profession and trade.Land is ecological System is the important area of global carbon, and its carbon cycle is played an important role in Global climate change, and arid biogeographic zone, half Arid biogeographic zone area accounts for 1/3rd (Lal) on Global land surface, and Chinese desert ecosystem area proportion is bigger.Cause This, under the background of global warming, increase Desert Regions carbon capacity has become global carbon sequestration and increases very important one of remittance Point.
It is increase Desert Regions carbon sink by afforestation and Rational Management artificial forest, slows down CO in air2Concentration Effective way.Li Yuelin etc. is studied by the Soil carbon storage to several artificial forest, and research shows that artificial forest can be effective Ground increases the accumulation of soil organic matter.Desert Regions trees survival rate is improved by artificial afforestration simultaneously, Desert Regions are improved with this and planted Coated cover degree, promotes fixation of the artificial forest to DIC in air, improves Desert Regions carbon capacity.Elm has drought-enduring, cold-resistant, resistance to High temperature and in the extremely low fixation of fertility extreme difference, water content, semifixed sand ground and moving dunes, dune slack normal growth Feature, can as Desert Regions artificial afforestration important species (Jiang Qi etc.).Elm root system is very flourishing simultaneously, wind loading rating By force, soil conservation effect is good, rudiment power is strong, and fast growth, and long lifespan, page dust-blocking effect is good, and relatively some other seeds For, its carbon sequestration capacity is strong, CO in the significantly more efficient fixed air of energy2.And as Yushulin grows, a large amount of fine sands, Grain thing gradually deposits, while a large amount of dry branches and fallen leaves enter soil, Litter-fall is gradually decomposed under microbial action so that Soil organic matter content increase, improves desert soil phosphorus content.
Biological breadcrust is i.e. by cryptogam (algae, lichens and liver moss etc.) and associated microorganism (bacterial fungus etc.) Interact a kind of special life entity (WestN E) to be formed with topsoil.Biological breadcrust is played in desert ecosystem Important Ecology Action, biological breadcrust has the effect (Hu Chunxiang etc.) for improving soil stability and reducing wind erosion, biological breadcrust The sputter of reduction can be alleviated, the gap structure of soil is kept, promote precipitation to penetrate into, water retention in soil is improved, soil table is reduced Layer corrodes (Belnap), while liver moss, algae and lichens can increase topsoil organic carbon content by photosynthesis in skinning (Li Xinrong).
The content of the invention
Present invention aims at selection elm as reproducting tree species, the construction of artificial forest is carried out, Yushulin survival rate is improved, Using its preferably carbon sequestration capacity, increase vegetation is to Atmospheric CO2Fixed amount, and the flourishing root system of elm contributes to soil to have The fixation of machine carbon, while artificially improving biological breadcrust cover degree in sylvan life, improved soil, increase Desert Regions topsoil organic carbon contains Amount, improves Desert ecoenvironment, improves Desert Regions carbon sequestration capacity, and positive contribution is made for reply climate change.
A kind of method that utilization elm and sylvan life skinning improve Desert Regions carbon sequestration capacity, comprises the following steps：
Step one, local herbage, stalk, fallen leaves are collected, microorganism is added and cultivates region progress compost, improvement in artificial forest Soil quality, suitable planting environment is provided for artificial forest；
Step 2, cultivates artificial forest region site preparation, the healthy no disease and pests harm elm seedling of transplanting, and be elm using drip irrigation technique Sapling provides moisture, drip irrigation 20-30 times altogether before and after transplanting, average per 677m2Cultivate 10~15m of regional irrigation3；Wherein, elm is transplanted The height of seedling of sapling is more than 1.5m, and line space is (2.5-3.5) m* (2-3) m；
Step 3, takes biological breadcrust under the local Yushulin of growth naturally, scale is carried out by way of artificial culture Change and cultivate, then inoculate to artificial forest, 60~80% areas under covering artificial forest, drip irrigation simultaneously applies nutrient solution；Lead to simultaneously Cross overlay film insulation, sunshade and sprinkling irrigation cooling processing, keep biological breadcrust growth temperature be 10~28 DEG C, growth humidity be 70~ 80%.
Preferably, interregional work or interplanting short stalk crop are cultivated in artificial forest.
Preferably, the short stalk crop is the warm drought-enduring plant of happiness.
Preferably, the warm drought-enduring plant of the happiness is watermelon or cotton.
Preferably, the line space of elm seedling is 3m*2.5m in step 2.
Preferably, the microorganism is complex micro organism fungicide.
Preferably, step 3 nutrient solution is Konp nutrient solutions, and every liter of distilled water contains Ca (NO3)·4H2O 1g、 KNO30.25g、MgSO4·7H2O 0.25g、KH2PO40.25g、ZnSO4·7H2O 0.03g。
Beneficial effects of the present invention：
The present invention carries out the construction of artificial forest using elm as reproducting tree species, and using its preferably carbon sequestration capacity, increase is planted By to Atmospheric CO2Fixed amount, and the flourishing root system of elm contributes to the fixation of soil organic matter, while artificially being carried in sylvan life High biological breadcrust cover degree, improved soil increases Desert Regions topsoil organic carbon content, improves Desert Regions carbon sequestration capacity.
Brief description of the drawings
Fig. 1-5 compares for 4 kinds of different soils SOC content vertical distributions after planting 4 years.
Embodiment
Technical scheme is specifically introduced with reference to the accompanying drawings and examples.
Embodiment 1：
A kind of method that utilization elm and sylvan life skinning improve Desert Regions carbon sequestration capacity, comprises the following steps：
Step one, local herbage, stalk, fallen leaves are collected, complex micro organism fungicide is added and cultivates region progress in artificial forest Compost, improved soil quality provides suitable planting environment for artificial forest；
Step 2, cultivates artificial forest region site preparation, the healthy no disease and pests harm elm seedling of transplanting, and be elm using drip irrigation technique Sapling provides moisture, drip irrigation about 25 times altogether before and after transplanting, average per 677m2Cultivate regional irrigation 13m3；Wherein, elm seedling is transplanted Height of seedling be more than 1.5m, line space is 3m*2.5m；
Step 3, takes biological breadcrust under the local Yushulin of growth naturally, scale is carried out by way of artificial culture Change and cultivate, then inoculate to artificial forest, about 70% area under covering artificial forest, drip irrigation simultaneously applies Konp nutrient solutions, Konp Nutrition liquid and preparation method thereof is：Every liter of distilled water contains Ca (NO3)·4H2O 1g、KNO30.25g、MgSO4·7H2O 0.25g、 KH2PO40.25g、ZnSO4·7H2O 0.03g)；It is incubated simultaneously by overlay film, sunshade and sprinkling irrigation cooling are handled, and keep biological knot About 20 DEG C of the growth temperature of skin, growth humidity is about 75%.
Wherein, 20-30 guarantee of drip irrigation is average per 677m altogether before and after the transplanting of elm seedling2Cultivate 10~15m of regional irrigation3 Can；The height of seedling for transplanting elm seedling is more than 1.5m, and line space is in (2.5-3.5) m* (2-3) m；Biological breadcrust covers artificial forest Lower 60~80% areas, the growth temperature of biological breadcrust is controlled at 10~28 DEG C, and growth humid control is equal 70~80% Can.
At the same time it can also a drought-enduring short stalk crop of the happiness temperature such as work or interplanting watermelon or cotton.
Embodiment 2：
Method artificial culture Xinjiang poplar and P.Russkii Jabi same as Example 1 are used in local original Desert Regions, is cultivated During, to make Xinjiang poplar and P.Russkii Jabi in optimum state, irrigation volume, plantation line space are according to Xinjiang poplar and P.Russkii Jabi Growth characteristics are suitably adjusted, and this is that those skilled in the art can realize.
Plantation is sampled after 4 years to local original Desert Regions, artificial Yushulin, Xinjiang poplar woods, P.Russkii Jabi woods soil, Carry out vertical direction (0-20cm, 20-40cm, 40-60cm, 60-80cm, 80-100cm) soil sample difference plantation sample, it is right Sample soil organic carbon (SOC) vertical change carry out situation analyzed.4 kinds of different soils SOC contents vertical distributions are special Levy such as Fig. 1-5, soil SOC content vertical distributions changing rule is increased trend, Yushulin SOC content peaks after first reducing Appear in 0-20cm height；The P.Russkii Jabi woods appear in 80-100cm soil layer with natural soil SOC peaks；4 kinds of samples The height for SOC minimums occur is different；All in all, all artificial forest soil SOC values are above day in each soil layer content Right sample, and except in 40-60cm soil layers SOC content size variations be characterized as elm>P.Russkii Jabi>Xinjiang poplar>Naturally；Remaining Each soil layer SOC contents size variation feature is elm>Xinjiang poplar>P.Russkii Jabi>Naturally, show Yushulin for increase desert Area's soil organic carbon has preferable effect.
Four kinds of different soils samples ground average SOC contents situation such as tables 1 of 0-100cm, it is known that different tree species planting site soil is flat Equal SOC contents are above natural desert soil content, show that artificial forest is cultivated and are conducive to increasing, admittedly for soil organic carbon It is fixed.Different tree species planting site soil SOC average contents are contrasted simultaneously, the average SOC contents of soil are elm>P.Russkii Jabi >Xinjiang poplar, illustrates to cultivate artificial Yushulin to can more efficiently increase Desert Regions soil organic carbon.
The average SOC content tables of the different soils 0-100cm of table 1
The present invention carries out the construction of artificial forest using elm as reproducting tree species, and using its preferably carbon sequestration capacity, increase is planted By to Atmospheric CO2Fixed amount, and the flourishing root system of elm contributes to the fixation of soil organic matter, while artificially being carried in sylvan life High biological breadcrust cover degree, improved soil increases Desert Regions topsoil organic carbon content, improves Desert Regions carbon sequestration capacity.It is biological Skinning is favorably improved soil carbon sequestration capacity using, if without using biological breadcrust on the basis of embodiment 1, the average SOC of 0-100cm soil Content will reduce by 30%；If adding 0.5g/L aluminum sulfate in Konp nutrient solutions and 0.2g/L boric acid preparing the Konp of improvement Under nutrient solution, identical drip irrigation amount, the carbon sequestration capacity of biological breadcrust can be improved further, and the average SOC contents of 0-100cm soil can be with 65% is further improved, Desert Regions carbon sequestration capacity is further improved.
The effect of above-described embodiment is only that the essentiality content of the explanation present invention, but the guarantor of the present invention is not limited with this Protect scope.Simply modification is carried out to technical solution of the present invention or simple replacement does not depart from essence and the guarantor of technical solution of the present invention Protect scope.

Claims (7)

1. a kind of method that utilization elm and sylvan life skinning improve Desert Regions carbon sequestration capacity, it is characterised in that comprise the following steps：
Step one, local herbage, stalk, fallen leaves are collected, microorganism is added and cultivates region progress compost, improved soil in artificial forest Quality, suitable planting environment is provided for artificial forest；
Step 2, cultivates artificial forest region site preparation, the healthy no disease and pests harm elm seedling of transplanting, and be elm seedling using drip irrigation technique Moisture is provided, drip irrigation 20-30 times altogether before and after transplanting is average per 677m2Cultivate 10~15m of regional irrigation3；Wherein, elm seedling is transplanted Height of seedling be more than 1.5m, line space be (2.5-3.5) m* (2-3) m；
Step 3, takes biological breadcrust under the local Yushulin of growth naturally, scale training is carried out by way of artificial culture Educate, then inoculate to artificial forest, 60~80% areas under covering artificial forest, drip irrigation simultaneously applies nutrient solution；Simultaneously by covering Film insulation, sunshade and sprinkling irrigation cooling processing, keep biological breadcrust growth temperature be 10~28 DEG C, growth humidity be 70~ 80%.
2. according to the method described in claim 1, it is characterised in that：Interregional work or interplanting short stalk crop are cultivated in artificial forest.
3. method according to claim 2, it is characterised in that：The short stalk crop is the warm drought-enduring plant of happiness.
4. method according to claim 3, it is characterised in that：The warm drought-enduring plant of happiness is watermelon or cotton.
5. according to the method described in claim 1, it is characterised in that：The line space of elm seedling is 3m*2.5m in step 2.
6. according to the method described in claim 1, it is characterised in that：The microorganism is complex micro organism fungicide.
7. according to the method described in claim 1, it is characterised in that：Step 3 nutrient solution is Konp nutrient solutions, every liter of distilled water Contain Ca (NO3)·4H2O 1g、KNO3 0.25g、MgSO4·7H2O 0.25g、KH2PO4 0.25g、ZnSO4·7H2O 0.03g。
CN201710495557.0A 2017-06-26 2017-06-26 A kind of method that utilization elm and its sylvan life skinning improve Desert Regions carbon sequestration capacity Pending CN107173156A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110305809A (en) * 2019-06-21 2019-10-08 中国科学院寒区旱区环境与工程研究所 A kind of mechanizable artificial cyanobacteria skinning culture construction technology
CN113159977A (en) * 2020-01-07 2021-07-23 北京林业大学 Dominant tree species diameter step distribution method based on growth model

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110305809A (en) * 2019-06-21 2019-10-08 中国科学院寒区旱区环境与工程研究所 A kind of mechanizable artificial cyanobacteria skinning culture construction technology
CN113159977A (en) * 2020-01-07 2021-07-23 北京林业大学 Dominant tree species diameter step distribution method based on growth model
CN113159977B (en) * 2020-01-07 2023-09-29 北京林业大学 Dominant tree species diameter order distribution method based on growth model

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Application publication date: 20170919