CN106577116A - Method used for performing carbon sequestration and carbon sink increase on bamboo stands through biogas slurry - Google Patents
Method used for performing carbon sequestration and carbon sink increase on bamboo stands through biogas slurry Download PDFInfo
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- CN106577116A CN106577116A CN201611080329.9A CN201611080329A CN106577116A CN 106577116 A CN106577116 A CN 106577116A CN 201611080329 A CN201611080329 A CN 201611080329A CN 106577116 A CN106577116 A CN 106577116A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 213
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 213
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 168
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 168
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 168
- 241001330002 Bambuseae Species 0.000 title claims abstract description 159
- 239000011425 bamboo Substances 0.000 title claims abstract description 159
- 239000002002 slurry Substances 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 116
- 230000009919 sequestration Effects 0.000 title claims abstract description 44
- 239000002689 soil Substances 0.000 claims abstract description 126
- 238000003672 processing method Methods 0.000 claims abstract description 3
- 239000003337 fertilizer Substances 0.000 claims description 82
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 70
- 230000008569 process Effects 0.000 claims description 64
- 238000003860 storage Methods 0.000 claims description 57
- 244000302661 Phyllostachys pubescens Species 0.000 claims description 56
- 235000003570 Phyllostachys pubescens Nutrition 0.000 claims description 56
- 229910052757 nitrogen Inorganic materials 0.000 claims description 35
- 239000002028 Biomass Substances 0.000 claims description 30
- 241000196324 Embryophyta Species 0.000 claims description 20
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 16
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 14
- 239000004202 carbamide Substances 0.000 claims description 10
- 235000013877 carbamide Nutrition 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 8
- 238000011160 research Methods 0.000 claims description 8
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 claims description 7
- 239000001103 potassium chloride Substances 0.000 claims description 7
- 235000011164 potassium chloride Nutrition 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 230000004069 differentiation Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 210000002700 urine Anatomy 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 3
- 210000003608 fece Anatomy 0.000 claims description 3
- 238000000855 fermentation Methods 0.000 claims description 3
- 230000004151 fermentation Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009333 weeding Methods 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 239000001506 calcium phosphate Substances 0.000 claims 1
- 229910000389 calcium phosphate Inorganic materials 0.000 claims 1
- 235000011010 calcium phosphates Nutrition 0.000 claims 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims 1
- 239000004137 magnesium phosphate Substances 0.000 claims 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 claims 1
- 229960002261 magnesium phosphate Drugs 0.000 claims 1
- 235000010994 magnesium phosphates Nutrition 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 21
- 239000005431 greenhouse gas Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 3
- 238000011282 treatment Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 14
- 239000002245 particle Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 11
- 241000209128 Bambusa Species 0.000 description 9
- 230000004720 fertilization Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000004016 soil organic matter Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 241001069925 Orestes Species 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- VQKFNUFAXTZWDK-UHFFFAOYSA-N alpha-methylfuran Natural products CC1=CC=CO1 VQKFNUFAXTZWDK-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 241000209504 Poaceae Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- RDXARWSSOJYNLI-UHFFFAOYSA-N [P].[K] Chemical compound [P].[K] RDXARWSSOJYNLI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- BACHBFVBHLGWSL-UHFFFAOYSA-N methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoate Chemical compound C1=CC(OC(C)C(=O)OC)=CC=C1OC1=CC=C(Cl)C=C1Cl BACHBFVBHLGWSL-UHFFFAOYSA-N 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a method used for performing carbon sequestration and carbon sink increase on bamboo stands through biogas slurry. The method comprises the following steps of: 1) determining sample bamboo stands; 2) setting test areas and determining a processing method; 3) measuring carbon reserve, in standard sample bamboo stands, of bamboo stand vegetation; 4) measuring carbon reserve, in the standard sample bamboo stands, of soil; and 5) obtaining a construction method for performing carbon sequestration and carbon sink increase on bamboo stands through biogas slurry according to measured and calculated results obtained in step 3) and step 4). The method has the beneficial effects that: influences, on carbon sequestration and carbon sink increase of bamboo stands, of reasonable application of biogas slurry are researched, and a reasonable application method of biogas slurry is determined, so that carbon sequestration capacity of the bamboo stand vegetation is ensured, carbon reserve of soil is increased, and greenhouse gas emission is reduced; the construction method and construction amount of biogas slurry are scientifically and reasonably realized, so that theoretical foundation and technical support are provided for biogas slurry use of bamboo stands in the South hilly area of China.
Description
Technical field
The present invention relates to bamboo stand carbon sequestration increases remittance technology, and in particular to a kind of biogas slurry is used for bamboo stand carbon sequestration and increases what is converged
Method.
Background technology
Forest is the main body of terrestrial ecosystems, is also carbon storehouse maximum in terrestrial ecosystems, wherein forest cover portion
Point carbon storehouse accounts for global vegetation carbon storehouse 77.10%, and forest soil carbon pool stores 40% or so of global soil organic C storage.Forest exists
Increase carbon to converge, slow down Atmospheric CO2Effect played in concentration rising is widely paid close attention to.Copenhagen COP15 in 2009
Greatly after the meeting, orest management project：Strengthen orest management, increase organic C storage and approve and bring into forest increasing remittance by international community
Item destination category is reduced discharging, carries out orest management pair
The research of ecosystem carbon sequestration influential effect increasingly causes the interest of numerous scholars.
Bamboo grove is a kind of highly important Forest Types in subtropical zone, widely distributed, with good Economic Function and
Ecological functions, to ensureing bamboo wood supply and balancing Atmospheric CO2Etc. aspect be respectively provided with important function.Southern china mao bamboo woods area
Huge, according to the 7th forest inventory of China, China's mao bamboo woods area has reached 386.83 ten thousand hm2, resources advantage substantially, but
Existing production of bamboo forest power level is generally low, and such as nearly 75% bamboo grove in Zhejiang Province still belongs to low yield Low-efficiency forest, there is very big operation and increases
Remittance space（Zhang Houxi etc., 2014；Lee's Chong etc., 2016）.Put into practice according to current production and operation, fertilising is turned over and felling stays that to support be existing
There is topmost management style in bamboo management, can be to bamboo grove vegetation carbon storehouse, or even whole ecosystem carbon sequestration effect produces weight
Affect.However, how previous studies are focused primarily upon by managing in the yield for improving bamboo wood, and fertilising is based on to Phyllostachys pubescens Mazei ex H.de Lebaie
The research of woods carbon sequestration effect is rarely reported.
The content of the invention
For problems of the prior art, the present invention provides a kind of biogas slurry is used for the side that bamboo stand carbon sequestration increases remittance
Method.
The present invention is realized by the following technical programs：
A kind of described biogas slurry is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that the method is comprised the following steps：
1）The determination on mao bamboo woods sample ground：Select moderate temperature, illumination abundance, abundant rainfall, drought and waterlogging are obvious, vertical differentiation is obvious,
Early autumn in spring is short, the bamboo stand of the knob of Xia Dongchang, and bamboo stand edaphic condition is the red soil of red clay development, bamboo
Forest land bamboo grove next year stays foster Hsinchu, next year fells old bamboo, and bamboo grove is different age bamboo grove, and biennial bearing is not obvious；
2）The setting of trial zone and the determination of processing method：Trial zone is set in mao bamboo woods sample ground, and trial zone adopts random area
Group is arranged, and trial zone is provided with altogether 5 process：CK- does not apply fertilizer control；NPK- chemical fertilizer lists are applied（The full nitrogen of biogas slurry is accounted for applies nitrogen total amount
0%）； N1P1K1Z1- low amounts biogas slurry（Amount of nitrogen is processed as standard with NPK, the full nitrogen of biogas slurry is accounted for applies the 20% of nitrogen total amount）； N2P2K2Z2-
Middle amount biogas slurry（Amount of nitrogen is processed as standard with NPK, the full nitrogen of biogas slurry is accounted for applies the 40% of nitrogen total amount）； N3P3K3Z3- a large amount biogas slurry（With
It is standard that NPK processes amount of nitrogen, and the full nitrogen of biogas slurry is accounted for applies the 60% of nitrogen total amount）, biogas slurry also field P not enough in processing2O5、K2Oization
Fertilizer is supplied, and each processes 3 repetitions, totally 15 sample prescriptions, each sample area 10m*10m, at the same adjacent sample prescription each other between
Every more than 5m, cross influence is prevented；
3）Mao bamboo woods Vegetation carbon storage in mao bamboo woods standard site is measured, including arborous layer Biomass and organic C storage
Determine, fill the measure of grass and litter Biomass and organic C storage；
4）Soil carbon storage in mao bamboo woods standard site is measured, including collection, the survey of the soil weight of pedotheque
The calculating of the fixed, measure of soil organic carbon and organic C storage；
5）According to step 3）And step 4）It is each to determine and result of calculation, biogas slurry is drawn for bamboo stand carbon sequestration increase the administration side for converging
Method.
A kind of described biogas slurry is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 1）Stand bamboo to bamboo grove close
Spend for 2400～4300 plants of hm-2。
A kind of described biogas slurry is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 2）Middle biogas slurry is fermentation
The Pig dung and urine of more than three months time, biogas slurry is quarterly applied once, and winter does not apply.
A kind of described biogas slurry is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 3）It is middle fill it is careless and it is withered fall
The measure of thing Biomass and organic C storage, including measure, the measure of herb biology amount, the survey of litter Biomass of Bush biomass
The estimation of fixed and organic C storage.
A kind of described biogas slurry is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 4）Middle pedotheque
Acquisition method is：Central point and 4 angle stake points in each 10m × 10m standard site arranges altogether 5 sampled points, excavates soil
Earth section, after removing Litter Layer, each section presses I layer（0-20cm）With II layer（20-40cm）Sampling, with core cutter method it is determined
Unit weight, while estimating various kinds ground soil average thickness；After being sufficiently mixed by soil layer, 200～300g soil is taken respectively with quartering
Sample, removes all with diameter greater than 2mm chads, root system and other dead Organic residues, takes back laboratory and air-dries, grinds, and crosses 2mm sieves
It is used for the measure of organic carbon content afterwards.
A kind of described biogas slurry is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 5）Middle application process
For：Annual fertilising 4 times, for the first time, 2 months early springs chemical fertilizer was applied, and promoted the morning of spring bamboo to send out and grow, also referred to as long Radix Crotalariae szemoensis fertilizer；Per public
Just carbamide 50kg is applied, method is discharged using circular groove；Second, chemical fertilizer and biogas slurry are applied in 5～June, during this, spring bamboo has dug,
Foster Hsinchu is stayed, starts lamina of branching out, underground starting row whip also referred to as sends out whip fertilizer；Inclining per public affairs can apply carbamide 100kg, calcium magnesium phosphate
500kg, potassium chloride 70kg, loosening the soil with reference to hoeing up weeds is carried out, and method is spread fertilizer over the fields after weeding, covering of then loosening the soil, and biogas slurry is spraying
Mode is sprayed, and amount of application is per hectare 10t；For the third time, carry out in 9～October, at this moment Phyllostachys pubescens Mazei ex H.de Lebaie whip root Radix Crotalariae szemoensis bud starts differentiation
Pregnant Radix Crotalariae szemoensis, also referred to as germinate pregnant Radix Crotalariae szemoensis fertilizer；Inclining per public affairs can apply carbamide 60kg, calcium magnesium phosphate 500kg, potassium chloride 75kg, biogas slurry 5t, fertilising side
Method is identical with second；4th time, a fertilizer is applied in 11～December, also referred to as send out Radix Crotalariae szemoensis fertilizer, this time per hectare applies biogas slurry
10.3t, is sprayed in the way of spraying.
The beneficial effects of the present invention is：The present invention increases the shadow for converging by the Rational Application of research biogas slurry to bamboo grove ground carbon sequestration
Ring, to determine the Rational Application method of biogas slurry, it is ensured that bamboo grove ground vegetation carbon sequestration capacity, increase Soil carbon storage, reduce greenhouse gas
Body is discharged, the scientific and reasonable application process and amount of application of realizing biogas slurry, is that the biogas slurry of south China hills area mao bamboo woods is applied
Theoretical foundation and technical support are provided, to change the ecological environment of bamboo stand, mitigation of global climate warms, feasible region is ecological
The doulbe-sides' victory of benefit and economic benefit.
Specific embodiment
It is an object of the invention to pass through to study biogas slurry and be used for bamboo stand carbon sequestration and increase the application process converged, so as to for bamboo grove
Ground carbon sequestration increases remittance and provides theoretical foundation and technical support.
The determination on mao bamboo woods sample ground：Long You counties of Quzhou City of Zhejiang Province Hengshan Mountain town is selected as proving ground, 119 ° of its east longitude
02 ' -119 ° 20 ', 44 ' -29 ° 17 ' of north latitude 28 ° belongs to subtropical monsoon climate district, with obvious characteristics of basin, with season
Change, the meteorological factor such as illumination, temperature, rainfall, temperature humidity all changes significantly, is characterized in：Moderate temperature, illumination
Abundance, abundant rainfall, drought and waterlogging are obvious.Substantially, early autumn in spring is short, Xia Dongchang for vertical differentiation.17.1 DEG C of average temperature of the whole year, the most hot moon
28.8 DEG C of temperature on average, most cold 5.0 DEG C of monthly mean temperature, 41.0 DEG C of Extreme Maximum Temperature, Annual lowest climate temperature be -11.4
℃.Annual frost-free period is 257 d；5441 DEG C of >=10 DEG C of active accumulated temperature；The mm of average annual rainfall 1602.6；Annual is relative
Humidity 79%；Annual sunshine number is 1761.9 h.Test soil is the red soil of Quaternary Red Clays development, and fertility level is poor.
Bamboo grove next year stays foster Hsinchu in trial zone, next year fells old bamboo, typically fells 5～6 years old bamboos of life.The bamboo grove is different age bamboo
Woods, biennial bearing is not obvious.Standing bamboo density is 2400～4300 plants of hm-2.The few shrub of sylvan life, many weeds.
EXPERIMENTAL DESIGN
This is tested and is come into effect in May, 2015, is arranged using random district's groups, and trial zone is provided with altogether 5 process：CK- is not applied
Fertilizer control；NPK- chemical fertilizer lists are applied（The full nitrogen of biogas slurry is accounted for applies the 0% of nitrogen total amount）； N1P1K1Z1- low amounts biogas slurry（Amount of nitrogen is processed with NPK
For standard, the full nitrogen of biogas slurry is accounted for applies the 20% of nitrogen total amount）； N2P2K2Z2- middle amount biogas slurry（Amount of nitrogen is processed as standard with NPK, biogas slurry
Full nitrogen is accounted for applies the 40% of nitrogen total amount）； N3P3K3Z3- a large amount biogas slurry（Amount of nitrogen is processed as standard with NPK, the full nitrogen of biogas slurry accounts for that to apply nitrogen total
The 60% of amount）, biogas slurry also field P not enough in processing2O5、K2O is supplied with chemical fertilizer（It is shown in Table 1）, each 3 repetition of process, totally 15
Sample prescription, each sample area 10m*10m, while adjacent sample prescription is spaced each other more than 5m, prevents cross influence.
The each test process dose of table 1
The equivalent total fertilising N-P of bamboo stand2O5-K2O is 240-135-195kg/hm2, it is urine that chemical fertilizer NPK processes applied nitrogen
Element（N46%）, phosphate fertilizer be calcium magnesium phosphate（P2O5 12%）, potash fertilizer be potassium chloride（K2O 60%）.Take from proving ground for trying biogas slurry
The methane-generating pit that normally uses of middle-size and small-size pig farm, raw material is mainly Pig dung and urine etc., fermentation time more than 3 months, without obvious excrement
Stink.Biogas slurry is quarterly applied once, is manured into soil respectively in June, 2015, in October, the 2015 and equivalent of in March, 2016, winter
Without applying, the biogas slurry nutrient content of Various Seasonal is shown in Table 2.
Table 2. is for examination biogas slurry physicochemical property
Research method
The measure of mao bamboo woods Vegetation carbon storage
The measure of arborous layer Biomass and organic C storage：Per plant of vertical bamboo investigation is carried out in standard site, the breast of every plant of Phyllostachys pubescens Mazei ex H.de Lebaie is recorded
Footpath, age（Degree）Data, according to individual plant Phyllostachys pubescens Mazei ex H.de Lebaie binary Aboveground Biomass of Young model, to each individual plant Phyllostachys pubescens Mazei ex H.de Lebaie geodyte in sample ground
Amount summation obtains Aboveground Biomass of Young, then Phyllostachys pubescens Mazei ex H.de Lebaie Aboveground Biomass of Young is changed into into Phyllostachys pubescens Mazei ex H.de Lebaie Herb by Phyllostachys pubescens Mazei ex H.de Lebaie rhizome ratio
Biomass, recycles Biomass to take advantage of average carbon content rate to obtain arborous layer belowground biomass.Individual plant Phyllostachys pubescens Mazei ex H.de Lebaie binary aerial partss are biological
Measuring computation model is：
In formula：M is individual plant Phyllostachys pubescens Mazei ex H.de Lebaie Aboveground Biomass of Young (kg)；D is the diameter of a cross-section of a tree trunk 1.3 meters above the ground (cm)；A is the age (degree).
Phyllostachys pubescens Mazei ex H.de Lebaie biomass in unit area organic C storage in sample ground is calculated according to following formula（t C/hm2）：
In formula：C represents Phyllostachys pubescens Mazei ex H.de Lebaie biomass in unit area carbon reserves in sample ground, t C/hm2；R represents Biomass rhizome ratio, and ratio is
0.32, without unit；CF represents average carbon content rate, is 0.5042, without unit；AP represents sample area, m2。
Fill the measure of careless litter Biomass and organic C storage
The measure of Bush biomass：Each standard site diagonal is away from each lm in 4 angles and sample prescription center sets 2m × 2m samples
Side 5, collects in each subquadrat whole shrubs, weigh and it is average after as the standard site shrub amount, then mix 5
Shrub in subquadrat, selects typical sample 500g～1000g, and laboratory is taken back after precise, first completes at 105 DEG C
30min, then 48h is dried in 70 DEG C of aeration cabinets to constant weight, moisture content is calculated, then filled than calculating in sample prescription according to rhizome
The total biomass dry weight of wood, recycles Biomass to take advantage of average carbon content rate to obtain sample ground unit area shrub organic C storage.
The measure of herb biology amount：Each standard site diagonal is away from each lm in 4 angles and sample prescription center sets 1m × 1m
Subquadrat 5, collects in each subquadrat whole draft, weigh and it is average after as the standard site draft amount, then mix
The draft in 5 subquadrats is closed, typical sample 500g～1000g is selected, laboratory is taken back after precise, first killed at 105 DEG C
Blue or green 30min, then 48h is dried in 70 DEG C of aeration cabinets to constant weight, moisture content is calculated, then according to rhizome than calculating in sample prescription
The total biomass dry weight of draft.
The measure of litter Biomass：Each standard site diagonal away from each lm in 4 angles and sample prescription center set 1m ×
1m subquadrats 5, collect in each subquadrat whole litters, weigh and it is average after as the standard site litter amount,
Then mix the litter in 5 subquadrats, do not differentiate between it is fresh with decomposition part, it is unified to collect, select typical sample 500g～
1000g, takes back laboratory after precise, first complete 30min at 105 DEG C, then dries 48h extremely in 70 DEG C of aeration cabinets
Constant weight, calculate moisture content, then according to rhizome than calculate sample prescription in litter total biomass dry weight.
The estimation of organic C storage：The carbon content of each organ of shrub, draft and litter is using outside concentrated sulphuric acid-potassium permanganate high temperature
Heated oxide-FeSO4Titration measuring, each sample arranges 3 repetitions when determining carbon content, sample weighting amount 0.015～
0.02g, it is desirable to measure carbon content>When 40%, relative deviation<2%；When carbon content is 30%～40%, relative deviation<3%；Carbon content
For 10%～30% when, relative deviation<4%.Organic C storage is according to unit area standing forest dry matter weight（Biomass）It is multiplied by its carbon to contain
Measure and try to achieve.Formula is as follows：Organic C storage=Biomass × carbon content.
The measure of Soils In The Stands of Ph. Pubescens organic C storage
Collecting soil sample：Central point and 4 angle stake points in each 10m × 10m standard site arranges altogether 5 sampled points,
Soil profile is excavated, after removing Litter Layer, each section presses I layer（0-20cm）With II layer（20-40cm）Sampling, uses core cutter method
Its unit weight is determined, while estimating various kinds ground soil average thickness.After being sufficiently mixed by soil layer, 200～300 are taken respectively with quartering
G pedotheques, remove all with diameter greater than 2mm chads, root system and other dead Organic residues, take back laboratory and air-dry, grind, mistake
For the measure of organic carbon content after 2mm sieves.
The measure of the soil weight：Pedotheque is air-dried and is weighed, sample segment is taken from soil sample, be placed in 105 DEG C of baking ovens
Dry to constant weight weighing, according to soil dry weight in the native Mass Calculation cutting ring of drying, further according to cutting ring volume the soil weight is calculated.
The measure of soil organic carbon and the calculating of organic C storage：Soil organic carbon is using potassium dichromate oxidation-outer
Heating is determined.Sample ground unit area Soil Carbon Stock is calculated using following formula：
In formula：For sample ground unit area Soil Carbon Stock, tChm-2；Each soil layer soil organic carbon,
G C (100g soil)-1；Each soil layer soil weight, gcm-3；Each soil thickness, cm.
Each soil layer size fractionated aggregate carbon reserves（tC ·hm-2）Computing formula it is as follows：
Aggregate organic carbon pool=；
M i = ×100%
In formula, M i For the content of size fractionated aggregate（kg·m-2）； OC i For the concentration of size fractionated aggregate organic carbon
（g·kg-1）；D i It is each soil thickness（cm）；BD i For each soil layer soil weight（g·cm-3）；W i Account for for size fractionated aggregate
The percentage composition of soil（%）.
The carbon sequestration of biogas slurry bamboo stand soil increases converges：Carbon base in soil is maximum in terrestrial ecosystems and most active carbon storehouse
One of, play an important role in global carbon.Consolidating for soil organic matter deposits close with artificial business activities with dynamic change
Cut is closed.Artificial ore deposits and its effect in global carbon and the research in terms of status show, the carbon of artificial forest soil
Function of converging is regulated and controled by management level.Phyllostachys pubescens Mazei ex H.de Lebaie has efficient carbon sequestration capacity, its fast growth, next year can continuously fell
And continuous utilization, to Atmospheric CO2Balance there is important function.But mao bamboo woods are larger by artificial disturbance frequency, soil disturbance
Intensity is higher, is that carbon storage loses most uncertain Forest Types with carbon flow, and irrational Operation Measures also can result in part bamboo
Carbon base in soil becomes carbon source in woods ecosystem.It is topmost management style in existing bamboo management that fertilising is turned over, and it is to bamboo
Woods ecosystem stand structure produces considerable influence, and the impact to carbon base in soil is needed to be studied.
Biogas slurry applies the impact to Soil organic carbon pool
Biogas slurry applies the impact to soil organic carbon：Before and after biogas slurry is applied, the change of soil organic matter content is shown in Table 3.Apply
Before and after fertilizer, there is larger difference in different disposal soil organic carbon, but under organic carbon content is in the increase of depth of soil
Drop trend.In 0-20cm soil layers, compared with before fertilising, CK, NPK and N1P1K1Z1Process organic carbon content slightly to be declined, respectively
Have dropped 0.5%, 0.5% and 4.0%, and N2P2K2Z2And N3P3K3Z3Process soil organic carbon to increased, increase respectively
5.5% and 4.0%.It can be seen that, compared with before fertilising, as the soil organic carbon of the administration 0-20cm soil layers of biogas slurry has therewith
Increased, applying biogas slurry can improve soil organic carbon.It is each in 20-40cm soil layers to process organic carbon compared with before fertilising
The variation tendency of content is consistent with each variation tendency for processing organic carbon content in 0-20cm soil layers.
The biogas slurry of table 3. applies the impact to each soil layer organic carbon content
Biogas slurry applies the impact to Soil Carbon Stock：Table 4 show biogas slurry and applies to Soils In The Stands of Ph. Pubescens carbon reserves
Affect.With test preliminary phase ratio, 0-20cm soil layers, CK process Soil Carbon Stock declined, have dropped 1.30 tC
hm-2（1.7%）.And other fertilizer treatment Soil Carbon Stocks have different degrees of increase, 0.06～3.45 is increased
tC·hm-2, wherein N3P3K3Z3Increased amplitude is processed maximum, up to 4.6%.In 20-40 cm soil layers, CK processes organic carbon storage
Amount and test preliminary phase ratio, have dropped 4.7%, and other fertilizer treatment Soil Carbon Stocks have not with test preliminary phase ratio
With the increase of degree, increasing degree between 1.4%～4.5%, wherein N1P1K1Z1Process increased amplitude maximum.It can be seen that, fertilising
The each layer carbon reserves of soil can be improved, the administration of biogas slurry can be dramatically increased the reserves of each layer organic carbon of soil.
The biogas slurry of table 4. applies the impact to each soil layer carbon reserves
Biogas slurry applies the impact to soil agreegate organic carbon pool：Any change of Soil organic carbon pool all can by C input and
Output is balanced.Agricultural land soil organic matter source mostlys come from the addition of the stubble of plant and foreign aid's fertilizer, by organic
The addition in matter source, soil can in large quantities increase the content of its organic carbon.The input for increasing organic matter is to improve soil organic matter
Storehouse most efficient method.Soil organic matter is in close relations with aggregate, has weight to the quantity and size distribution of soil agreegate
Affect, and formation of the agglomerates effect is the important mechanisms of soil Carbon fixation, particularly thing of the soil agreegate to organic carbon pool
Reason protection.
Biogas slurry applies the impact to soil agreegate organic carbon content：Table 5 show biogas slurry and applies to be had to soil agreegate
The impact of machine carbon content.In 0-20cm soil layers, and test preliminary phase ratio, what CK and NPK were processed>5 mm aggregate organic carbons contain
Amount has declined, and 1% and 0.4% is have dropped respectively, and applies the process of biogas slurry>5 mm aggregate organic carbon contents have increased
Plus, increased 3.2%～4.6%；Wherein N3P3K3Z3Process increased amplitude maximum.Each 1-5mm that processes reunites in 0-20cm soil layers
The variation tendency of body organic carbon content with>The variation tendency of 5mm aggregate organic carbon contents is consistent.With test preliminary phase ratio,
The 0.5-1mm aggregate organic carbon contents that CK is processed in 0-20cm soil layers have declined, and have dropped 3.4%, and at other fertilisings
The 0.5-1mm aggregate organic carbon contents of reason increased, and increasing degree is between 2.6%～7.3%.Compared with before test,
Each 0-20cm soil layer 0.25-0.5mm aggregate organic carbon contents that process have declined, and have dropped 13.7%～16.9%, wherein
N3P3K3Z3The amplitude for processing the decline of 0.25-0.5mm aggregates organic carbon content is minimum, and N1P1K1Z1Process 0.25-5 mm to reunite
The amplitude that body organic carbon content declines is maximum.It is each to process 0-20cm soil layers compared with before test<0.25mm aggregate organic carbons contain
Amount increased, increasing degree between 5.8%～19.9%, wherein N2P2K2Z2Process<0.25mm aggregate organic carbon contents
The amplitude of increase is maximum.As shown in Table 5, different-grain diameter aggregate has essence with reference to amount, the composition etc. of organic carbon in soil
On difference, this is different relevant from aggregate surface chemical property.
With test preliminary phase ratio, in 20-40cm soil layers, what CK and NPK was processed>5mm and 1-5mm aggregate organic carbons contain
Amount has declined, and its organic carbon content that processes for applying biogas slurry has different degrees of increase, is shown in Table 5.With the test initial stage
Compare, CK processes 0.5-1mm aggregate organic carbon contents in 20-40cm soil layers and have dropped 5.2%, and other fertilizer treatments 0.5-
1mm aggregates organic carbon content but increased 0.6%～4.3%, wherein N3P3K3Z3Process 0.5-1mm aggregate organic carbon contents
Increasing degree is maximum.Compared with before test, each 0.25-0.5mm aggregate organic carbon contents that process have declined, and have dropped
7.0%～13.5%, wherein being still N3P3K3Z3Process the amplitude minimum that 0.25-0.5mm aggregates organic carbon content declines.With
Compare before test, it is each to process 20-40cm soil layers<0.25mm aggregate organic carbon contents increased, and increasing degree is 1.1%
～21.4%.
The biogas slurry of table 5. applies the impact to each soil layer aggregate organic carbon content
Biogas slurry applies the impact to soil agreegate carbon reserves：The administration of biogas slurry is to Soils In The Stands of Ph. Pubescens aggregate organic C storage
Impact is shown in Table 6.With test preliminary phase ratio, in 0-20cm soil layers, NPK process>0.25mm aggregates carbon reserves are
Decline, and its<0.25mm aggregate carbon reserves but increased；Wherein>5mm, 1-5mm, 0.5-1mm and 0.25-0.5mm
Aggregate carbon reserves have dropped respectively 2.1%, 11.0%, 0.6% and 20%；And its<0.25mm aggregates carbon reserves are but
Increased 20.3%.This result of study shows, the decomposition that chemical fertilizer can speed up big particle diameter aggregate organic carbon is administered alone, and then
Reduce the reserves of big particle diameter aggregate organic carbon.It is each to process compared with before test（Except NPK）In 0-20cm soil layers,>5mm and
1-5mm aggregates carbon reserves increased respectively 9.5%～4.9% and 6.0%～29.2%, and wherein the two particle diameter aggregates have
Machine organic C storage is with N3P3K3Z3Process the amplitude for improving maximum.It can be seen that, can be increased substantially as organic fertilizer application using biogas slurry
Big reunion carbon reserves, with test preliminary phase ratio, each to process in 0-20cm soil layers, 0.5-1mm and 0.25-0.5mm aggregates
Carbon reserves reduce respectively 1.2%～9.7% and 15.3%～23.7%, and wherein the two particle diameter aggregate carbon reserves are equal
With N3P3K3Z3Process the amplitude for reducing minimum.With test preliminary phase ratio, each process（Except N3P3K3Z3Process）In 0-20cm soil layers<
0.25mm aggregates carbon reserves have different degrees of increase, and increasing degree is between 2.9%～21.2%, and N3P3K3Z3
Process<0.25mm aggregates carbon reserves but have dropped 3.4%.
Each particle diameter aggregate carbon reserves are significantly less than the storage of 0-20cm soil layer aggregates organic carbon in 20-40cm soil layers
Amount, is shown in Table 6.Compared with before test, CK is processed in 20-40cm soil layers>5mm aggregate carbon reserves increased 58.0%, and its
Its particle diameter aggregate carbon reserves has declined, and between 0.6%～16.7%, wherein 0.25-0.5mm's fall reunites
The amplitude that body carbon reserves decline is maximum.Compared with before test, NPK process>0.25mm aggregates carbon reserves are
Reduce, reduce respectively>5mm（4.8%）、1-5mm（10.0%）、0.5-1mm（11.3%）、0.25-0.5mm（21.2%）, and<
0.25mm aggregates carbon reserves but increased 37.7%, it is seen that Single fertilizer is unfavorable in 20-40cm soil layers>0.25mm group
The fixing of aggressiveness organic carbon.Compared with before test, the change of biogas slurry treatment each particle diameter carbon reserves in 20-40cm soil layers is applied
Change is consistent with the change of each particle diameter carbon reserves of 0-20cm soil layers, is shown in Table 6.
The biogas slurry of table 6. applies the impact to each soil layer aggregate carbon reserves
Biogas slurry applies the impact to mao bamboo woods aggregate carbon remittance amount：Biogas slurry applies the impact to mao bamboo woods carbon remittance amount and is shown in Table 7.In 0-
In 20cm soil layers, NPK process>The year variable quantity of 5mm and 1-5mm aggregate carbon reserves is respectively -0.23tChm-2With-
1.44 C·hm-2, and other are processed>The year of 5mm aggregate carbon reserves increases remittance amount：0.73～3.62 tChm-2.Can
See, Single fertilizer is caused in mao bamboo woods 0-20cm soil layers>The organic carbon of 1 mm aggregates shows as " source ", and it is to soil organic matter
Increase remittance unfavorable；And with the increase of biogas slurry amount of application, in 0-20cm soil layers>The organic carbon remittance amount of 1mm aggregates is also gradually increasing
Plus, showing that biogas slurry is applied can improve in 0-20cm soil layers>The carbon remittance amount of 1mm aggregates.Each 0-20cm soil layers for processing, 0.5-
The year variable quantity of the carbon reserves of two particle diameter aggregates of 1mm and 0.25-0.5mm is respectively -0.07～-1.34 tChm-2
With -1.94～-2.87 tChm-2；With the increase of biogas slurry amount of application, two particle diameter aggregates of 0.5-1mm and 0.25-0.5mm
The annual emissions of carbon reserves be gradually lowered.It can be seen that, the administration of biogas slurry can reduce 0.5-1mm and 0.25-0.5mm grains
Discharge of the footpath aggregate to organic carbon, promotes sticking and fixation of the two particle diameter aggregates to organic carbon indirectly.In 0-
In 20cm soil layers, except processing N3P3K3Z3Carbon reserves change show as outside carbon emission, other are each to process different degrees of
Show as carbon increase converge, wherein with NPK process increase remittance amount highest, up to 4.68 tChm-2。
The impact that biogas slurry is applied to each particle diameter aggregate carbon reserves change in 20-40cm soil layers is native to 0-20cm with it
The impact of each particle diameter aggregate carbon reserves change is consistent in layer, is shown in Table 7.
Knowable to summary result, chemical fertilizer is administered alone so that each soil layer of bamboo stand>0.25mm aggregates are to organic carbon
Holding capabilities decline, and applying biogas slurry can improve each soil layer>Absorption and fixing of the 0.25mm aggregates to organic carbon.Therefore,
When bamboo management applies fertilizer, a certain amount of biogas slurry can be added in fertilizer, be conducive to greatly improving the carbon remittance amount of bamboo stand soil.
The impact of each soil layer aggregate carbon reserves year variable quantity after the administration of the biogas slurry of table 7.
The carbon sequestration of biogas slurry bamboo stand vegetation increases converges：Phyllostachys pubescens Mazei ex H.de Lebaie is grass family perennial evergreen seeds, likes the weather bar of warm and moist
Part, is typically planted in low mountain gentle slope hills area, and its growth updating decision, the natural maturity phase is short, and 5～6 a can use material felling, long
The important forest tapes in South China Tropical and subtropical zone have been always since phase.Phyllostachys pubescens Mazei ex H.de Lebaie has good Economic Function
And ecological functions, its carbon sequestration capacity is extremely strong, to balancing Atmospheric CO2With important function.It is continuously clear according to national 7th forest reserves
Consult reference materials, bamboo grove（About 72% is mao bamboo woods）Organic C storage is 2.0 hundred million t, accounts for the 2.54% of Chinese forest resource organic C storage total amount, resource
With the obvious advantage, it plays a positive role in reduction of greenhouse gas discharge and Forestry Carbon Mitigation.But existing production of bamboo forest power level is generally inclined
It is low, there is very big operation and increase remittance space.According to the production and operation of current mao bamboo woods put into practice, fertilising and felling stay support be existing bamboo
Topmost management style in woods operation, it is to bamboo grove Vegetation carbon storage, or even whole forest ecosystem carbon sequestration increases remittance and produces
Material impact.However, how conventional research is focused primarily upon by managing in the yield for improving Mao bamboo timber, and it is based on carbon sequestration increasing
The bamboo management research of remittance is rarely reported.Under current concern forest ecological, the particularly overall background of carbon sequestration benefit, implement
Long-term tillage operation converges and its influencing mechanism has important science and practical significance to study mao bamboo woods carbon sequestration and increase.
Biogas slurry applies the impact to Bamboo Growth situation
Biogas slurry applies the impact to Bamboo Diameter Breast-high：Bamboo Diameter Breast-high is the important factor for reflecting growth quality, applies inhomogeneity
The fertilizer of type will produce different impacts to Bamboo Diameter Breast-high.Biogas slurry is applied the impact result to each age grade Phyllostachys pubescens Mazei ex H.de Lebaie mean DBH increment and is seen
Table 8.Not fertilizer treatment（CK）Each age grade Phyllostachys pubescens Mazei ex H.de Lebaie mean DBH increment is respectively less than fertilizer treatment, is especially embodied on I degree bamboos.I degree bamboos
It is exactly Hsinchu, its mean DBH increment reflects following upgrowth situation of bamboo grove, is the key of bamboo management.As shown in Table 8, in difference
With the increase of biogas slurry amount of application in process, each age grade Phyllostachys pubescens Mazei ex H.de Lebaie mean DBH increment has different degrees of increase, is especially embodied in I degree
In the bamboo diameter of a cross-section of a tree trunk 1.3 meters above the ground, and for Bamboo stand mean DBH increment affects little.Process N3P3K3Z3I degree bamboo mean DBH increments be up to
10.71.3 cm；Secondly it is process N2P2K2Z2, its I degree bamboo mean DBH increment reaches 9.71.6cm, processes N1P1K1Z1I degree
Bamboo mean DBH increment is 9.01.0 cm, Single fertilizer process（NPK）I degree bamboos mean DBH increment is 9.21.8 cm, illustrate with natural pond
The increase of liquid application consumption, I degree bamboos are that Hsinchu mean DBH increment is significantly increased.Therefore, biogas slurry being applied in bamboo management can significantly carry
The mean DBH increment of high Hsinchu, so as to be conducive to improving the stand quality of whole mao bamboo woods
The biogas slurry of table 8. applies the impact to each age grade Phyllostachys pubescens Mazei ex H.de Lebaie mean DBH increment
Biogas slurry applies the impact to Phyllostachys pubescens Mazei ex H.de Lebaie Standing bamboo density
The each age grade strain number of Phyllostachys pubescens Mazei ex H.de Lebaie is the important factor for reflecting growth quantity, and different fertilizer treatments are to each age grade strain number of Phyllostachys pubescens Mazei ex H.de Lebaie
Also different impacts can be produced.Biogas slurry applies the impact to each age grade Phyllostachys pubescens Mazei ex H.de Lebaie strain number and the results are shown in Table 9.Different disposal various kinds ground Phyllostachys pubescens Mazei ex H.de Lebaie
Less, each age grade Phyllostachys pubescens Mazei ex H.de Lebaie strain number of fertilizer treatment is not relatively small for strain number difference, and I degree bamboo strain numbers are minimum in throughout managing, and explanation is applied
Fertilizer can to a certain extent increase the shooting period quantity of mao bamboo woods standing forest.As shown in Table 9, with biogas slurry in different disposal
The increase of amount of application, I degree bamboo strain numbers are also to be constantly increasing.Process N3P3K3Z3I degree bamboo strain numbers be at maximum up to 700 plants of hm-2；Secondly it is process N2P2K2Z2, its I degree bamboo strain number reaches 600 plants of hm-2, process N1P1K1Z1I degree bamboos strain number be 500 plants
hm-2, Single fertilizer process（NPK）I degree bamboo strain numbers with process N2P2K2Z2Equally reach 600 plants of hm-2.Illustrate with fertilizer
The increase of middle biogas slurry amount, I degree bamboos are that Hsinchu strain number is consequently increased, but are to increase DeGrain.Therefore, in bamboo management
The effect of fertilising is mainly reflected in increase Hsinchu mean DBH increment and improves on mao bamboo woods stand quality, and for the impact of Phyllostachys pubescens Mazei ex H.de Lebaie strain number
It is unobvious.
Table, 9. impact of the biogas slurry administration to each age grade Phyllostachys pubescens Mazei ex H.de Lebaie strain number
Biogas slurry applies the impact converged to mao bamboo woods organic C storage and carbon
Biogas slurry applies the impact to mao bamboo woods organic C storage：Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage intuitively reflects the current growing power of Bamboo stand,
Impact of the different fertilization to Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage can be used to evaluate the fertilization effect of each fertilizer treatment.Different fertilization pair
The impact of each age grade Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage the results are shown in Table 10.Not fertilizer treatment（CK）Each age grade Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage is significantly less than at fertilising
Reason, fertilizer treatment sample ground Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage is not 15.99 tChm-2, and each fertilizer treatment sample ground Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage is respectively located
Reason NPK（20.19 tC·hm-2）, process N1P1K1Z1（21.37 tC·hm-2）, process N2P2K2Z2 （22.23 tC·hm-2）、
Process N3P3K3Z3（21.91 tC·hm-2）.Its result shows that application of organic fertilizers Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage increasing degree is maximum, does not apply fertilizer
Increasing degree is minimum.Impact of the different fertilization to each age grade Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage is mainly reflected in I degree bamboos（Hsinchu）On, do not apply
Fertilizer is processed（CK）I degree bamboo carbon reserves be respectively less than each fertilizer treatment, its I degree bamboo storage reserves are 2.55 tChm-2.Can by table 8
Know, in different disposal, with the increase of biogas slurry amount of application, I degree bamboo carbon reserves are also being constantly increasing.Process N3P3K3Z3I
Degree bamboo carbon reserves are up to 7.12 tChm-2, it is secondly process N2P2K2Z2, its I degree bamboo carbon reserves reaches 5.06 tC
hm-2, process N1P1K1Z1I degree bamboo carbon reserves be 3.61 tChm-2, process the I degree bamboo carbon reserves of NPK and process N2P2K2Z2
It is close, but it is slightly less than process N2P2K2Z2, it is 4.65 tChm-2.Illustrate that I degree bamboos are Hsinchu with the increase of biogas slurry amount of application
Organic C storage is consequently increased, and increase the good results are evident.
The biogas slurry of table 10. applies the impact to each age grade Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage
Biogas slurry applies the impact to filling careless organic C storage under mao bamboo woods：Apply biogas slurry and not only impact is produced on Phyllostachys pubescens Mazei ex H.de Lebaie organic C storage, can also
Different degrees of impact is produced to filling careless organic C storage under mao bamboo woods.Biogas slurry applies the impact result to filling careless organic C storage under mao bamboo woods
It is shown in Table 11.Not fertilizer treatment（CK）Careless organic C storage is filled under mao bamboo woods minimum, be 0.36 tChm-2, other each fertilizer treatment Phyllostachys pubescens Mazei ex H.de Lebaies
Sylvan life fills careless organic C storage difference less, respectively Single fertilizer NPK process（0.76 tC·hm-2）, process N1P1K1Z1（0.73
tC·hm-2）, process N2P2K2Z2（0.82 tC·hm-2）, process N3P3K3Z3（0.81tC·hm-2）.Illustrate that chemical fertilizer is mixed with biogas slurry
Close the different ratio applied affects little to filling careless organic C storage under mao bamboo woods, fill under mao bamboo woods careless organic C storage mainly with the nitrogen of fertilizer
Phosphorus potassium total amount is relevant.
The biogas slurry of table 11. applies the impact to filling careless organic C storage under mao bamboo woods
Biogas slurry applies the impact to Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount：Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount is that concentrated expression mao bamboo woods are current
The important indicator of growth quality and following growth tendency, impact of the different fertilization to Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount can be used
Carry out the fertilization effect of each fertilizer treatment of overall merit.Biogas slurry applies the impact to Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount and the results are shown in Table 12.
Not fertilizer treatment（CK）Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount is significantly less than each fertilizer treatment, and its sample ground Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount is
2.91 tC·hm-2.As shown in Table 12, in different disposal, with the increase of biogas slurry amount of application, Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount
Also it is being constantly increasing.Process N3P3K3Z3Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount is up to 7.92 tChm-2, next to that processing
N2P2K2Z2, its Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount reaches 5.88 tChm-2, process N1P1K1Z1Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount is
4.33 tC·hm-2, Single fertilizer NPK process Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount with process N2P2K2Z2It is close, but it is slightly less than process
N2P2K2Z2, it is 5.41 tChm-2, illustrate that, with the increase of biogas slurry amount of application, Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount is consequently increased,
And increase the good results are evident.Its result shows that the year carbon capacity of per hectare Phyllostachys pubescens Mazei ex H.de Lebaie is 5.09 t, and processes N3P3K3Z3Mao bamboo woods are planted
7.92 tChm can reach by year carbon remittance amount-2, increase remittance effect obvious.Therefore, when bamboo management applies fertilizer, add in fertilizer
Plus appropriate biogas slurry not only can reach the purpose for increasing fertilization effect, can also greatly improve Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount, from
And mao bamboo woods stand quality is improved, manage increasing remittance for the remittance of bamboo grove carbon and new reference is provided.
The biogas slurry of table 12. applies the impact to Phyllostachys pubescens Mazei ex H.de Lebaie forest vegetation year carbon remittance amount
Mao bamboo woods biogas slurry carbon sequestration suitable application regimen：The administration of biogas slurry either plays solid to bamboo stand soil or vegetation
Carbon increases the effect for converging, wherein still with N3P3K3Z3Process, i.e., per hectare applies the kg of carbamide 210, the kg of calcium magnesium phosphate 1000, chlorination
The kg of the potassium 145 and t of biogas slurry 25.3, to the carbon sequestration of Soils In The Stands of Ph. Pubescens and vegetation remittance best results are increased.Therefore, it can will be this
The fertilizer of formula is applied in actual production process as the dedicated fertilizer of mao bamboo woods, is high yield, the extra earning of mao bamboo woods, particularly
Technical support is provided for biogas slurry carbon sequestration.
Application process：To make mao bamboo woods reach high yield, the purpose of extra earning, should apply fertilizer every year 4 times.For the first time, 2 months early springs
Chemical fertilizer is applied, promotes the morning of spring bamboo to send out and grow, also referred to as long Radix Crotalariae szemoensis fertilizer.Per hectare can apply the kg of carbamide 50, and using circular groove method is discharged.
Second, chemical fertilizer and biogas slurry should be applied in 5～June, during this, spring bamboo has dug, stays foster Hsinchu, starts lamina of branching out, underground
Starting row whip, also referred to as sends out whip fertilizer.Inclining per public affairs can apply the kg of carbamide 100, the kg of calcium magnesium phosphate 500, the kg of potassium chloride 70, can be with reference to hoe
Grass loosens the soil to be carried out, and method is spread fertilizer over the fields after weeding, and covering of then loosening the soil, biogas slurry is sprayed in the way of spraying, and amount of application is every
10 t of hectare.For the third time, should carry out in 9～October, at this moment Phyllostachys pubescens Mazei ex H.de Lebaie whip root Radix Crotalariae szemoensis bud starts to break up pregnant Radix Crotalariae szemoensis, also referred to as germinate pregnant Radix Crotalariae szemoensis fertilizer.
Inclining per public affairs can apply the kg of carbamide 60, the kg of calcium magnesium phosphate 500, the kg of potassium chloride 75, the t of biogas slurry 5, and fertilizing method is identical with second.
4th time, a fertilizer should be applied in 11～December, also referred to as send out Radix Crotalariae szemoensis fertilizer.This time per hectare applies the t of biogas slurry 10.3, with what is sprayed
Mode is sprayed.
Wherein, should be noted that during fertilising：1. time of application：Because the nutritional labeling in biogas slurry it is unstable, temperature influence
Larger, high temperature easily makes its nutrient component damages, so the administration of biogas slurry is arranged after in the afternoon the sun sets as far as possible.Additionally, rain
Water washes away and easily make Bamboo Soil and corrode, and part biogas slurry is taken away therewith, therefore should select to apply natural pond when fine
Liquid.2. vegetation protection：Because bamboo grove often grows substantial amounts of weeds and shrub on the ground, these weeds and shrub equally have carbon sequestration
Increase the effect for converging.As long as not having a strong impact on absorption of the bamboo grove to nutrient substance, it is not necessary to remove weeds and shrub.3. the rational application of fertilizer：
Biogas slurry mixed with alkaline fertilizer can not be applied, and otherwise easily cause the loss of nitrogenous fertilizer, reduce fertilizer efficiency.Should be according to the life of Phyllostachys pubescens Mazei ex H.de Lebaie different growing
Long feature and carbon sequestration capacity, to Phyllostachys pubescens Mazei ex H.de Lebaie Tree Precise Fertilization is carried out, and has both improve the utilization rate of fertilizer, and the carbon sequestration that Phyllostachys pubescens Mazei ex H.de Lebaie is increased again increases
Remittance ability.
Claims (6)
1. a kind of biogas slurry is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that the research method is comprised the following steps：
1）The determination on mao bamboo woods sample ground：Select moderate temperature, illumination abundance, abundant rainfall, drought and waterlogging are obvious, vertical differentiation is obvious,
Early autumn in spring is short, the bamboo stand of the knob of Xia Dongchang, and bamboo stand edaphic condition is the red soil of red clay development, bamboo
Forest land bamboo grove next year stays foster Hsinchu, next year fells old bamboo, and bamboo grove is different age bamboo grove, and biennial bearing is not obvious；
2）The setting of trial zone and the determination of processing method：Trial zone is set in mao bamboo woods sample ground, and trial zone adopts random area
Group is arranged, and trial zone is provided with altogether 5 process：CK- does not apply fertilizer control；NPK- chemical fertilizer lists are applied（The full nitrogen of biogas slurry is accounted for applies nitrogen total amount
0%）； N1P1K1Z1- low amounts biogas slurry（Amount of nitrogen is processed as standard with NPK, the full nitrogen of biogas slurry is accounted for applies the 20% of nitrogen total amount）； N2P2K2Z2-
Middle amount biogas slurry（Amount of nitrogen is processed as standard with NPK, the full nitrogen of biogas slurry is accounted for applies the 40% of nitrogen total amount）； N3P3K3Z3- a large amount biogas slurry（With
It is standard that NPK processes amount of nitrogen, and the full nitrogen of biogas slurry is accounted for applies the 60% of nitrogen total amount）, biogas slurry also field P not enough in processing2O5、K2Oization
Fertilizer is supplied, and each processes 3 repetitions, totally 15 sample prescriptions, each sample area 10m*10m, at the same adjacent sample prescription each other between
Every more than 5m, cross influence is prevented；
3）Mao bamboo woods Vegetation carbon storage in mao bamboo woods standard site is measured, including arborous layer Biomass and organic C storage
Determine, fill the measure of grass and litter Biomass and organic C storage；
4）Soil carbon storage in mao bamboo woods standard site is measured, including collection, the survey of the soil weight of pedotheque
The calculating of the fixed, measure of soil organic carbon and organic C storage；
5）According to step 3）And step 4）It is each to determine and result of calculation, biogas slurry is drawn for bamboo stand carbon sequestration increase the administration side for converging
Method.
2. a kind of biogas slurry as claimed in claim 1 is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 1）Bamboo
Forest land Standing bamboo density is 2400～4300 plants of hm-2。
3. a kind of biogas slurry as claimed in claim 1 is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 2）In
Biogas slurry is the Pig dung and urine of more than three months time of fermentation, and biogas slurry is quarterly applied once, and winter does not apply.
4. a kind of biogas slurry as claimed in claim 1 is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 3）In
Fill the measure of grass and litter Biomass and organic C storage, including measure, the measure of herb biology amount, the litter of Bush biomass
The measure of Biomass and the estimation of organic C storage.
5. a kind of biogas slurry as claimed in claim 1 is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 4）In
The acquisition method of pedotheque is：Central point and 4 angle stake points in each 10m × 10m standard site arranges altogether 5 samplings
Point, excavates soil profile, and after removing Litter Layer, each section presses I layer（0-20cm）With II layer（20-40cm）Sampling, uses ring
The skill in using a kitchen knife in cookery determines its unit weight, while estimating various kinds ground soil average thickness；After being sufficiently mixed by soil layer, 200 are taken respectively with quartering
～300g pedotheques, remove all with diameter greater than 2mm chads, root system and other dead Organic residues, take back laboratory and air-dry, grind
It is broken, cross after 2mm sieves for the measure of organic carbon content.
6. a kind of biogas slurry as claimed in claim 1 is used for bamboo stand carbon sequestration and increases the method converged, it is characterised in that step 5）In
Application process is：Annual fertilising 4 times, for the first time, 2 months early springs chemical fertilizer was applied, and promoted the morning of spring bamboo to send out and grow, also referred to as long Radix Crotalariae szemoensis
Fertilizer；Per hectare applies carbamide 50kg, and using circular groove method is discharged；Second, chemical fertilizer and biogas slurry are applied in 5～June, during this, spring bamboo
Dig, stayed foster Hsinchu, started lamina of branching out, underground starting row whip has also referred to as sent out whip fertilizer；Inclining per public affairs can apply carbamide 100kg, calcium and magnesium
Phosphate fertilizer 500kg, potassium chloride 70kg, loosening the soil with reference to hoeing up weeds is carried out, and method is spread fertilizer over the fields after weeding, covering of then loosening the soil, and biogas slurry is spraying
The mode of filling is sprayed, and amount of application is per hectare 10t；For the third time, carry out in 9～October, at this moment Phyllostachys pubescens Mazei ex H.de Lebaie whip root Radix Crotalariae szemoensis bud starts
Break up pregnant Radix Crotalariae szemoensis, also referred to as germinate pregnant Radix Crotalariae szemoensis fertilizer；Inclining per public affairs can apply carbamide 60kg, calcium magnesium phosphate 500kg, potassium chloride 75kg, and biogas slurry 5t is applied
Fertile method is identical with second；4th time, a fertilizer is applied in 11～December, also referred to as send out Radix Crotalariae szemoensis fertilizer, this time per hectare applies natural pond
Liquid 10.3t, is sprayed in the way of spraying.
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