CN102598910B - Nutritional regulation method for carbon sequestration and sink enhancement for wetlands - Google Patents
Nutritional regulation method for carbon sequestration and sink enhancement for wetlands Download PDFInfo
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- CN102598910B CN102598910B CN201210064170.7A CN201210064170A CN102598910B CN 102598910 B CN102598910 B CN 102598910B CN 201210064170 A CN201210064170 A CN 201210064170A CN 102598910 B CN102598910 B CN 102598910B
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- 238000000034 method Methods 0.000 title claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 32
- 235000001434 dietary modification Nutrition 0.000 title abstract 3
- 230000009919 sequestration Effects 0.000 title abstract 3
- 239000002689 soil Substances 0.000 claims abstract description 167
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000003337 fertilizer Substances 0.000 claims abstract description 14
- 239000002686 phosphate fertilizer Substances 0.000 claims abstract description 14
- 229940072033 potash Drugs 0.000 claims abstract description 14
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 14
- 235000015320 potassium carbonate Nutrition 0.000 claims abstract description 14
- 239000000618 nitrogen fertilizer Substances 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 239000003864 humus Substances 0.000 claims description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 239000003415 peat Substances 0.000 claims description 24
- 241000196324 Embryophyta Species 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 19
- 241000238370 Sepia Species 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 12
- 239000005416 organic matter Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 235000016709 nutrition Nutrition 0.000 claims description 9
- 230000035764 nutrition Effects 0.000 claims description 9
- 240000002234 Allium sativum Species 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 244000223014 Syzygium aromaticum Species 0.000 claims description 6
- 235000016639 Syzygium aromaticum Nutrition 0.000 claims description 6
- 238000007596 consolidation process Methods 0.000 claims description 6
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 235000004611 garlic Nutrition 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 6
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 6
- 238000002386 leaching Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000005431 greenhouse gas Substances 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 235000015097 nutrients Nutrition 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000000116 mitigating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000973293 Carex lasiocarpa Species 0.000 description 1
- 241001197767 Deyeuxia angustifolia Species 0.000 description 1
- 238000004177 carbon cycle Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention aims to provide a nutritional regulation method for carbon sequestration and sink enhancement for wetlands, which includes the steps: selecting a meadow or marsh with no logged water on the surface; determining wetland environmental factors; determining soil water content, taking soil 5-15cm under surface vegetation in early May in the beginning of the year for testing, using a soil box to hold a fresh soil sample under the vegetation, and drying the soil at about 80 DEG C till the soil is in constant weight, wherein the soil water content = (soil dry weight - soil dry weight)/soil dry weightX100%, the soil water content is required to be 60%-95%, and the soil is determined to be in a meadow soil type, Baijiang soil type or marsh soil type; and using nitrogen fertilizer, phosphate fertilizer and potash fertilizer as nutrients, and applying the nutrients according to dosage of the nitrogen fertilizer3.4-4.5kg per mu, the phosphate fertilizer 2.5-3.5kg per mu and the potash fertilizer 2.0-2.5kg per mu. By the method, vegetation coverage of the wetlands can be increased, carbon sequestration of vegetation can be improved, soil carbon storage can be increased, and emission of greenhouse gases can be reduced. The nutritional regulation method is low in investment, low in cost and widely applicable.
Description
(1) technical field
The present invention relates to the solid carbon of wetland and increase remittance technology, is exactly that the solid carbon of a kind of wetland increases the nutrition regulation method converging specifically.
(2) background technology
Since the industrial revolution, due to the aggravation of extensive mankind's activity, as a large amount of fossil fuel that burns, deforestation and reclamation of wasteland farm land, changed the intrinsic carbon balance between revenue and expenditure of natural process and biosphere of ecosystem carbon cycle, cause CO in atmosphere
2, CH
4and N
2the lasting rising of O isothermal chamber gas concentration, has caused whole world change problem, and existence and the sustainable development of human society in serious threat.Wetland, as one of the earth three large ecosystems, is one of most important carbon storehouse in terrestrial ecosystem, accounts for terrestrial ecosystem carbon and stores 12%～24% of total amount.If these carbon are all discharged into the atmosphere, Atmospheric CO
2concentration will increase about 200ppm, therefore global mean temperature of air will raise 0.8～2.5 ℃.As can be seen here, protection wetland can reduce greenhouse gas emission, the speed of mitigation of climate change and intensity.Yet the mankind's activity of taking as the leading factor with agricultural drainage and the reclamation of wasteland causes wetland constantly to lose and wetland serious degradation, Gu increasing remittance function, seriously reduces in carbon.Solid carbon research is mainly concentrated at present the aspects such as high solid carbon plant variety seed selection and artificial planting trees, meadow both at home and abroad, in the theoretical research of the table pictures such as the solid carbon ability of the plant that focuses mostly on greatly, solid carbon potentiality, and very few for the application technology report that how to increase the remittance of wetland carbon.
(3) summary of the invention
The object of the present invention is to provide the solid carbon of a kind of wetland to increase the nutrition regulation method converging.
The object of the present invention is achieved like this: step is as follows:
Step 1: the determining of Wetland Type, (coenotype that grassy marshland is is main body by perennial meadow herb is form under moderate water condition and grow and without the grassy marshland of ponding or marsh to choose earth's surface.Marsh be at many water or cross under wet condition, form with the dominant a kind of vegetation pattern of marsh plant);
Step 2: the determining of the Wetland Environment factor: 1. soil moisture content determines, 5～15cm test of fetching earth at place under surface vegetation at the beginning of 5 months of the beginning of the year, adopt soil box (aluminium box) dress to get fresh soil sample under vegetation, then under 80 ℃ of left and right, dry to constant weight, soil moisture content=(soil weight in wet base-soil dry weight)/soil dry weight * 100%, it is 60%～95% that soil moisture content requires, 2. wetland soil type determines, first by top layer 3～5cm soil and weeds, the removals such as litter, then vertically dig a long 80cm, wide 50cm, the hole of dark 120～200cm, then with meter ruler, measure the degree of depth, fetch earth from bottom to top.Meadow soil, for having obvious humus cumulative process and periodical water-logging process, is divided into humus layer, waterloggogenic horizon and gley horizon, humus layer, general 20～the 50cm of thickness, humus content is high, is lead-grey, structure is granule or is granular, waterloggogenic horizon humus content seldom, and many iron-manganese concretions, reduce gradually from top to bottom, gley horizon is cinerous, celadon or canescence, sometimes has lark iron rust patch, and soil disperses structurelessness, normal is silt loam, and what have is partially sticky; White muddy soil forming process is only carried out on soil layer top, is called top layer grassy marshland-periodical water-logging-leaching process, can be divided into four layers; humus layer; general thickness is 10～20cm, and humus content is higher, is lead when wet; white slurry layer thickness is generally in 20cm left and right; canescence, light yellow when wet, after rain, often can flow out white slurry; take silty sand as main, have more white SiO
2powder, consolidation.Root system of plant is few, and the content of organic matter is very low, clayization illuvium, and thickness 120～160cm, sepia is to crineous, and small prism shape structure or small prism shape structure, be commonly called as " garlic clove soil ", and parent rock horizon occurs conventionally below 200cm, and quality is sticky heavy, brown or yellowish-brown; Swamp soil soil-forming process comprises the paludification of soil surface organic matter and the gleying of soil lower floor.Be divided into peat horizon and gley horizon, peat horizon is positioned at swamp soil top, also has into the buried horizon existence that thickness does not wait; Peat horizon thickness 10～50cm, peat is often by partly decomposing or undecomposed Organic residues forms, and color is from undecomposed yellowish-brown, arrive even black of half sepia of decomposing, gley horizon is positioned at swamp soil bottom, is cinerous, celadon or canescence, sometimes has lark iron rust patch.Soil disperses structurelessness, is often silt loam, and what have is partially sticky.Determine that soil types is meadow soil, white muddy soil or swamp soil;
Step 3: the using of nutriment, 1. the selection of nutriment, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, 2. time of application, May 15 to May 30, the afternoon of sunny weather, 3. application dosage proportioning: nitrogenous fertilizer is used by 3.5～4.5 kilograms every mu, phosphate fertilizer is used by 2.5～3.5 kilograms every mu, and potash fertilizer is used by 2.0～2.5 kilograms every mu.
The solid carbon of wetland of the present invention increases the nutrition regulation method converging, can obviously improve muskeg coverage rate, improve the solid carbon ability of vegetation, increase soil carbon reserves, reduce greenhouse gas emission, outstanding feature be science divide vegetation pattern with and envirment factor, the amount of application of scientific matching nutriment, to reach the optimization of the solid carbon efficiencies of wetland, and less investment, cost is low, and applicability is wide, is easy to spread, can change the ecotope of wetland, mitigation of global climate warms, and controls greenhouse gas emission, can feasible region ecological benefits and the doulbe-sides' victory of economic benefit.The solid carbon that the present invention can be used for wetland, Sanjiang Plain increases remittance.
(4) embodiment
The invention will be further described for example below.
Embodiment 1: the solid carbon of a kind of wetland of the present invention increases the nutrition regulation method converging, and step is as follows:
Step 1: the determining of Wetland Type, (coenotype that grassy marshland is is main body by perennial meadow herb is form under moderate water condition and grow and without the grassy marshland of ponding or marsh to choose earth's surface.Marsh be at many water or cross under wet condition, form with the dominant a kind of vegetation pattern of marsh plant);
Step 2: the determining of the Wetland Environment factor: 1. soil moisture content determines, 5～15cm test of fetching earth at place under surface vegetation at the beginning of 5 months of the beginning of the year, adopt soil box (aluminium box) dress to get fresh soil sample under vegetation, then under 80 ℃ of left and right, dry to constant weight, soil moisture content=(soil weight in wet base-soil dry weight)/soil dry weight * 100%, it is 60%～95% that soil moisture content requires, 2. wetland soil type determines, first by top layer 3～5cm soil and weeds, the removals such as litter, then vertically dig a long 80cm, wide 50cm, the hole of dark 120～200cm, then with meter ruler, measure the degree of depth, fetch earth from bottom to top.Meadow soil, for having obvious humus cumulative process and periodical water-logging process, is divided into humus layer, waterloggogenic horizon and gley horizon, humus layer, general 20～the 50cm of thickness, humus content is high, is lead-grey, structure is granule or is granular, waterloggogenic horizon humus content seldom, and many iron-manganese concretions, reduce gradually from top to bottom, gley horizon is cinerous, celadon or canescence, sometimes has lark iron rust patch, and soil disperses structurelessness, normal is silt loam, and what have is partially sticky; White muddy soil forming process is only carried out on soil layer top, is called top layer grassy marshland-periodical water-logging-leaching process, can be divided into four layers; humus layer; general thickness is 10～20cm, and humus content is higher, is lead when wet; white slurry layer thickness is generally in 20cm left and right; canescence, light yellow when wet, after rain, often can flow out white slurry; take silty sand as main, have more white SiO
2powder, consolidation.Root system of plant is few, and the content of organic matter is very low, clayization illuvium, and thickness 120～160cm, sepia is to crineous, and small prism shape structure or small prism shape structure, be commonly called as " garlic clove soil ", and parent rock horizon occurs conventionally below 200cm, and quality is sticky heavy, brown or yellowish-brown; Swamp soil soil-forming process comprises the paludification of soil surface organic matter and the gleying of soil lower floor.Be divided into peat horizon and gley horizon, peat horizon is positioned at swamp soil top, also has into the buried horizon existence that thickness does not wait; Peat horizon thickness 10～50cm, peat is often by partly decomposing or undecomposed Organic residues forms, and color is from undecomposed yellowish-brown, arrive even black of half sepia of decomposing, gley horizon is positioned at swamp soil bottom, is cinerous, celadon or canescence, sometimes has lark iron rust patch.Soil disperses structurelessness, is often silt loam, and what have is partially sticky.Determine that soil types is meadow soil, white muddy soil or swamp soil;
Step 3: the using of nutriment, 1. the selection of nutriment, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, 2. time of application, May 15 to May 30, the afternoon of sunny weather, 3. application dosage proportioning: nitrogenous fertilizer is used by 3.5～4.5 kilograms every mu, phosphate fertilizer is used by 2.5～3.5 kilograms every mu, and potash fertilizer is used by 2.0～2.5 kilograms every mu.
Embodiment 2: the solid carbon of a kind of wetland of the present invention increases the nutrition regulation method converging, and step is as follows:
Step 1: the determining of Wetland Type, (coenotype that grassy marshland is is main body by perennial meadow herb is form under moderate water condition and grow and without the grassy marshland of ponding or marsh to choose earth's surface.Marsh be at many water or cross under wet condition, form with the dominant a kind of vegetation pattern of marsh plant);
Step 1: the determining of Wetland Type, (coenotype that grassy marshland is is main body by perennial meadow herb is form under moderate water condition and grow and without the grassy marshland of ponding or marsh to choose earth's surface.Marsh be at many water or cross under wet condition, form with the dominant a kind of vegetation pattern of marsh plant);
Step 2: the determining of the Wetland Environment factor: 1. soil moisture content determines, 5～15cm test of fetching earth at place under surface vegetation at the beginning of 5 months of the beginning of the year, adopt that soil is box-packed gets fresh soil sample under vegetation, then under 80 ℃ of left and right, dry to constant weight, soil moisture content=(soil weight in wet base-soil dry weight)/soil dry weight * 100%, it is 60% that soil moisture content requires, 2. wetland soil type determines, first by top layer 3～5cm soil and weeds, the removals such as litter, then vertically dig a long 80cm, wide 50cm, the hole of dark 120～200cm, then with meter ruler, measure the degree of depth, fetch earth from bottom to top.Meadow soil, for having obvious humus cumulative process and periodical water-logging process, is divided into humus layer, waterloggogenic horizon and gley horizon, humus layer, general 20～the 50cm of thickness, humus content is high, is lead-grey, structure is granule or is granular, waterloggogenic horizon humus content seldom, and many iron-manganese concretions, reduce gradually from top to bottom, gley horizon is cinerous, celadon or canescence, sometimes has lark iron rust patch, and soil disperses structurelessness, normal is silt loam, and what have is partially sticky; White muddy soil forming process is only carried out on soil layer top, is called top layer grassy marshland-periodical water-logging-leaching process, can be divided into four layers; humus layer; general thickness is 10～20cm, and humus content is higher, is lead when wet; white slurry layer thickness is generally in 20cm left and right; canescence, light yellow when wet, after rain, often can flow out white slurry; take silty sand as main, have more white SiO
2powder, consolidation.Root system of plant is few, and the content of organic matter is very low, clayization illuvium, and thickness 120～160cm, sepia is to crineous, and small prism shape structure or small prism shape structure, be commonly called as " garlic clove soil ", and parent rock horizon occurs conventionally below 200cm, and quality is sticky heavy, brown or yellowish-brown; Swamp soil soil-forming process comprises the paludification of soil surface organic matter and the gleying of soil lower floor.Be divided into peat horizon and gley horizon, peat horizon is positioned at swamp soil top, also has into the buried horizon existence that thickness does not wait; Peat horizon thickness 10～50cm, peat is often by partly decomposing or undecomposed Organic residues forms, and color is from undecomposed yellowish-brown, arrive even black of half sepia of decomposing, gley horizon is positioned at swamp soil bottom, is cinerous, celadon or canescence, sometimes has lark iron rust patch.Soil disperses structurelessness, is often silt loam, and what have is partially sticky.Determine that soil types is meadow soil, white muddy soil or swamp soil;
Step 3: the using of nutriment, the 1. selection of nutriment, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, 2. time of application, May 15, the afternoon of sunny weather, 3. application dosage proportioning: nitrogenous fertilizer is used by 3.5 kilograms every mu, and phosphate fertilizer is used by 2.5 kilograms every mu, and potash fertilizer is used by 2.0 kilograms every mu.
Embodiment 3: the solid carbon of a kind of wetland of the present invention increases the nutrition regulation method converging, and step is as follows:
Step 1: the determining of Wetland Type, (coenotype that grassy marshland is is main body by perennial meadow herb is form under moderate water condition and grow and without the grassy marshland of ponding or marsh to choose earth's surface.Marsh be at many water or cross under wet condition, form with the dominant a kind of vegetation pattern of marsh plant);
Step 2: the determining of the Wetland Environment factor: 1. soil moisture content determines, 5～15cm test of fetching earth at place under surface vegetation at the beginning of 5 months of the beginning of the year, adopt soil box (aluminium box) dress to get fresh soil sample under vegetation, then under 80 ℃ of left and right, dry to constant weight, soil moisture content=(soil weight in wet base-soil dry weight)/soil dry weight * 100%, it is 75% that soil moisture content requires, 2. wetland soil type determines, first by top layer 3～5cm soil and weeds, the removals such as litter, then vertically dig a long 80cm, wide 50cm, the hole of dark 120～200cm, then with meter ruler, measure the degree of depth, fetch earth from bottom to top.Meadow soil, for having obvious humus cumulative process and periodical water-logging process, is divided into humus layer, waterloggogenic horizon and gley horizon, humus layer, general 20～the 50cm of thickness, humus content is high, is lead-grey, structure is granule or is granular, waterloggogenic horizon humus content seldom, and many iron-manganese concretions, reduce gradually from top to bottom, gley horizon is cinerous, celadon or canescence, sometimes has lark iron rust patch, and soil disperses structurelessness, normal is silt loam, and what have is partially sticky; White muddy soil forming process is only carried out on soil layer top, is called top layer grassy marshland-periodical water-logging-leaching process, can be divided into four layers; humus layer; general thickness is 10～20cm, and humus content is higher, is lead when wet; white slurry layer thickness is generally in 20cm left and right; canescence, light yellow when wet, after rain, often can flow out white slurry; take silty sand as main, have more white SiO
2powder, consolidation.Root system of plant is few, and the content of organic matter is very low, clayization illuvium, and thickness 120～160cm, sepia is to crineous, and small prism shape structure or small prism shape structure, be commonly called as " garlic clove soil ", and parent rock horizon occurs conventionally below 200cm, and quality is sticky heavy, brown or yellowish-brown; Swamp soil soil-forming process comprises the paludification of soil surface organic matter and the gleying of soil lower floor.Be divided into peat horizon and gley horizon, peat horizon is positioned at swamp soil top, also has into the buried horizon existence that thickness does not wait; Peat horizon thickness 10～50cm, peat is often by partly decomposing or undecomposed Organic residues forms, and color is from undecomposed yellowish-brown, arrive even black of half sepia of decomposing, gley horizon is positioned at swamp soil bottom, is cinerous, celadon or canescence, sometimes has lark iron rust patch.Soil disperses structurelessness, is often silt loam, and what have is partially sticky.Determine that soil types is meadow soil, white muddy soil or swamp soil;
Step 3: the using of nutriment, the 1. selection of nutriment, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, 2. time of application, May 20, the afternoon of sunny weather, 3. application dosage proportioning: nitrogenous fertilizer is used by 4.0 kilograms every mu, and phosphate fertilizer is used by 3.0 kilograms every mu, and potash fertilizer is used by 2.3 kilograms every mu.
Embodiment 4: the solid carbon of a kind of wetland of the present invention increases the nutrition regulation method converging, and step is as follows:
Step 1: the determining of Wetland Type, (coenotype that grassy marshland is is main body by perennial meadow herb is form under moderate water condition and grow and without the grassy marshland of ponding or marsh to choose earth's surface.Marsh be at many water or cross under wet condition, form with the dominant a kind of vegetation pattern of marsh plant);
Step 2: the determining of the Wetland Environment factor: 1. soil moisture content determines, 5～15cm test of fetching earth at place under surface vegetation at the beginning of 5 months of the beginning of the year, adopt soil box (aluminium box) dress to get fresh soil sample under vegetation, then under 80 ℃ of left and right, dry to constant weight, soil moisture content=(soil weight in wet base-soil dry weight)/soil dry weight * 100%, it is 95% that soil moisture content requires, 2. wetland soil type determines, first by top layer 3～5cm soil and weeds, the removals such as litter, then vertically dig a long 80cm, wide 50cm, the hole of dark 120～200cm, then with meter ruler, measure the degree of depth, fetch earth from bottom to top.Meadow soil, for having obvious humus cumulative process and periodical water-logging process, is divided into humus layer, waterloggogenic horizon and gley horizon, humus layer, general 20～the 50cm of thickness, humus content is high, is lead-grey, structure is granule or is granular, waterloggogenic horizon humus content seldom, and many iron-manganese concretions, reduce gradually from top to bottom, gley horizon is cinerous, celadon or canescence, sometimes has lark iron rust patch, and soil disperses structurelessness, normal is silt loam, and what have is partially sticky; White muddy soil forming process is only carried out on soil layer top, is called top layer grassy marshland-periodical water-logging-leaching process, can be divided into four layers; humus layer; general thickness is 10～20cm, and humus content is higher, is lead when wet; white slurry layer thickness is generally in 20cm left and right; canescence, light yellow when wet, after rain, often can flow out white slurry; take silty sand as main, have more white SiO
2powder, consolidation.Root system of plant is few, and the content of organic matter is very low, clayization illuvium, and thickness 120～160cm, sepia is to crineous, and small prism shape structure or small prism shape structure, be commonly called as " garlic clove soil ", and parent rock horizon occurs conventionally below 200cm, and quality is sticky heavy, brown or yellowish-brown; Swamp soil soil-forming process comprises the paludification of soil surface organic matter and the gleying of soil lower floor.Be divided into peat horizon and gley horizon, peat horizon is positioned at swamp soil top, also has into the buried horizon existence that thickness does not wait; Peat horizon thickness 10～50cm, peat is often by partly decomposing or undecomposed Organic residues forms, and color is from undecomposed yellowish-brown, arrive even black of half sepia of decomposing, gley horizon is positioned at swamp soil bottom, is cinerous, celadon or canescence, sometimes has lark iron rust patch.Soil disperses structurelessness, is often silt loam, and what have is partially sticky.Determine that soil types is meadow soil, white muddy soil or swamp soil;
Step 3: the using of nutriment, the 1. selection of nutriment, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, 2. time of application, May 30, the afternoon of sunny weather, 3. application dosage proportioning: nitrogenous fertilizer is used by 4.5 kilograms every mu, and phosphate fertilizer is used by 3.5 kilograms every mu, and potash fertilizer is used by 2.5 kilograms every mu.
Method in above embodiment is for wetland, Sanjiang Plain, 2009, in Heilongjiang Province, build three Hong He farms, river and set up the sample plot of 5000 mu, by the enforcement of this technology, wetland carbon amount has improved 15%～20% before implementing, and (Deyeuxia angustifolia grassy marshland year, solid carbon amount was by implementing front 700g/m
2bring up to the 840g/m after enforcement
2, carex lasiocarpa marsh year, solid carbon amount was by implementing front 600g/m
2bring up to the 690g/m after enforcement
2), wetland carbon increases remittance obviously.Greenhouse gas emission is controlled effectively, and ecological benefits are remarkable, significant to regional society, expanding economy and mitigation of global climate change.
Claims (1)
1. the solid carbon of wetland increases the nutrition regulation method converging, and it is characterized in that: step is as follows:
Step 1: the determining of Wetland Type, choose earth's surface without grassy marshland or the marsh of ponding, the coenotype that grassy marshland is is main body by perennial meadow herb, under moderate water condition, form and grow and, marsh be at many water or cross under wet condition, form with the dominant a kind of vegetation pattern of marsh plant;
Step 2: the determining of the Wetland Environment factor: 1. soil moisture content determines, 5～15cm test of fetching earth at place under surface vegetation at the beginning of 5 months of the beginning of the year, adopt that soil is box-packed gets fresh soil sample under vegetation, then at 80 ℃, dry to constant weight, soil moisture content=(soil weight in wet base-soil dry weight)/soil dry weight * 100%, it is 60%～95% that soil moisture content requires, 2. wetland soil type determines, first by top layer 3～5cm soil and weeds, litter is removed, then vertically dig a long 80cm, wide 50cm, the hole of dark 120～200cm, with meter ruler, measure the degree of depth, fetch earth from bottom to top, meadow soil is for having obvious humus cumulative process and periodical water-logging process, be divided into humus layer, waterloggogenic horizon and gley horizon, humus layer, thickness 20～50cm, humus content is high, be lead-grey, structure is granule or granular, waterloggogenic horizon humus content seldom, and many iron-manganese concretions, reduce gradually from top to bottom, gley horizon is cinerous, celadon or canescence, sometimes there is lark iron rust patch, soil disperses structurelessness, normal is silt loam, what have is partially sticky, white muddy soil forming process is only carried out on soil layer top, is called top layer grassy marshland-periodical water-logging-leaching process, can be divided into four layers, humus layer, thickness is 10～20cm, and humus content is higher, is lead when wet, white slurry layer thickness is in 20cm left and right, canescence, light yellow when wet, after rain, often can flow out white slurry, take silty sand as main, have more white SiO
2powder, consolidation, root system of plant is few, and the content of organic matter is very low, clayization illuvium, thickness 120～160cm, sepia is to crineous, and small prism shape structure or small prism shape structure, be commonly called as " garlic clove soil ", parent rock horizon occurs conventionally below 200cm, and quality is sticky heavy, brown or yellowish-brown, swamp soil soil-forming process comprises the paludification of soil surface organic matter and the gleying of soil lower floor, is divided into peat horizon and gley horizon, and peat horizon is positioned at swamp soil top, also has into the buried horizon existence that thickness does not wait, peat horizon thickness 10～50cm, peat is often by partly decomposing or undecomposed Organic residues forms, color, from undecomposed yellowish-brown, arrives even black of half sepia of decomposing, and gley horizon is positioned at swamp soil bottom, be cinerous, celadon or canescence, sometimes have lark iron rust patch, soil disperses structurelessness, is often silt loam, what have is partially sticky, determines that soil types is meadow soil, white muddy soil or swamp soil,
Step 3: the using of nutriment, 1. the selection of nutriment, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, 2. time of application, May 15 to May 30, the afternoon of sunny weather, 3. application dosage proportioning: nitrogenous fertilizer is used by 3.5～4.5 kilograms every mu, phosphate fertilizer is used by 2.5～3.5 kilograms every mu, and potash fertilizer is used by 2.0～2.5 kilograms every mu.
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