Rapid repair techniques for mildly degraded grassland
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图 2
(Photo taken on August 17, 2022, Jiang Hongjun, north of Gaoshanbao Village, Gaoshanbao Township, Guyuan County)
图 4
(Photo taken on August 27, 2022, Jiang Hongjun, north of Gaoshanbao Village, Gaoshanbao Township, Guyuan County)
图 5
(Photo taken on July 7, 2022, Li Qing, north of Gaoshanbao Village, Gaoshanbao Township, Guyuan County)
表 1 Give a few answers, and choose up to five
√Improve the biological power of the vegetation √Reduce, prevent, and restore degraded land Improve or protect the soil √Protect or restore ecosystems √To maintain / enhance biodiversity Reduce the risk of disasters (e. g. drought, droughts, floods, sandstorms, etc.) Adaptation to climate change and its effects (e. g., enhanced resilience to drought and warming) Mitigating climate change and its impacts (e. g. increased carbon sink capacity) Generduce economic benefits (e. g. increased income) Genering social benefits (e. g. reducing the consumption of natural resources and reducing poverty) Other uses (detailed description): ………………………………………………………………… 
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表 2
Semi-fixed sand Flow sand Adventitious sand grassland Salinized grass Activated wind erosion pit Degradation of woodland Sand cultivated land √Others: degraded grassland
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表 3
climatic province: Middle-temperate continental monsoon climate average annual precipitation /mm 300~450 Annual annual evaporation rate / mm 1600-2000 Annual temperature / ℃ 2.1~4.1 maximum air temperature /℃ 36.1~36.7 minimum air temperature /℃ -39.9~-34.3 Average annual wind speed / m / s 3.2~3.6 Note: Precipitation, evaporation, air temperature and wind speed in the table are calculated according to the mean value of national weather stations from 1980 to 2010.
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表 4 County, township or climate area, and give the longitude and latitude of the application location of the project.
To the province County (flag) The township climatic province longitude latitude height /m Hebei Province Guyuan County White earth kiln Middle-temperate continental monsoon climate 41.614 115.487 1400
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表 5 Terrain and landform conditions
height landform mean inclination aspect Slope < 100 m √ level the land √Flat slope (0-5%) √ adret √Upper slope 101-500 m √ hillside √Slow slope (6-15%) √ Schattenseite √Middle slope 501-1, 000 m Adventitia hill slope Slope (16-25%) √Admito half Yang slope √Down slope √ 1, 001-1, 500 m √ hillside fields Sharp slope (26-35%) √Vacation half Yin slope √ 1, 501-2, 000 m √ valley bottom 2, 001-2, 500 m sand dune 2501-3, 000 m √Admito flat sand Flat arable land
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表 6 Edaphic condition
agrotype soil texture Effective soil thickness Organic matter content of the topsoil soil hardness Soil gravel content √ aeolian sandy soil √ sandy soil √ 0-20 cm √High level (> 3%) √ tall √Less gravel soil (1-5%) √ chestnut soil √ sandy loam √ 20-50 cm √Medium size (1-3%) √ centre √Medium-gravel soil (5-10%) √ calcic brown soil √ doras √ 50-100 cm √Low (< 1%) √ low √Multi-gravel soil (10-30%) √ cinnamon soil √ clay √ 100-200 cm Light gravel soil (30-50%) saline-alkali soil √ > 200 cm Medium gravel soil (50-70%) else: Heavy gravel soil (> 70%)
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表 7 Vegetation condition
vegetation form Community coverage Vegetation degradation Artificial forest: (what kind of plantation) < 5% √Mild degeneracy of the uterus Sand vegetation: (what community) 5-15% Moderate degradation Tuft: (What community) 15-25% Heavy degradation √Grassland: sheep grass, grass, needle grass, white lotus wormwood (what kind of community) √ 25-40% Artificial forest has dry shoot phenomenon √Meadow: grass, veniling vegetables (what community) √ > 40% The plantation has the death phenomenon else:
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表 8 Groundwater condition
The average buried depth √ < 1 m √ 3-5 m √ > 10 m √ 1-3 m √ 5-10 m
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表 9 For specific technologies, please select and fill in the relevant technical information according to the following technical categories.
sport technique segment technical essential Implementation of the season / month 1. Land preparation Land preparation method: cut to the root
Turning depth: the depth of cutting the root should be determined according to the thickness of the turf, and it is appropriate to cut the turf, generally 10-15cm.
Other requirements: it is recommended to use root cutting and fertilizer fertilization machine for mechanical operations, and strive to do not turning or less turning, root cutting and fertilization operation simultaneously.Completed before early summer 2. Apply fat Type of base fertilizer: compound fertilizer / biological bacterial fertilizer
Application quantity: 5 kg / mu
Other requirements: In areas where original vegetation is mainly grass, fertilizer with high nitrogen and potassium content should be applied; in areas where original vegetation is mainly miscellaneous grass, fertilizer with high phosphorus content is recommended; generally, (N: P2O5: K2O) 15:15:15 fertilizer.Completed before early summer 3. Field management Enclosure: with, high standard immersion guardrail / wire fence (with or without), do a comprehensive ban on grazing.
Fertilization situation: yes, compound fertilizer / biological bacteria fertilizer, fertilizer quantity is not less than 5 kg / mu (with or no, fertilizer type, fertilizer quantity, etc.)
Pest control: strengthen field management, timely prevention and pest control. For pest control, high efficiency, low toxicity, economical and safe cypermethrin, and D botox are generally used for rodent control. The use of secondary poisoning and serious environmental pollution is strictly prohibited.annual 4. Other
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表 10
labour cost 825 yuan / ha Mechanical cost RMB 600 yuan / ha cost of material RMB 1, 200 yuan / ha Water cost (if irrigation is required) 0Yuan / ha total cost 2, 625 yuan / ha
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