1.   Technical name

Comprehensive control technology of wind erosion in farmland in the central and southern part of Bashang Plateau

2.   Technical profile

Define the technical connotation in 1-2 sentences (100-200 words). Make sure that this short description is precise and contains the relevant keywords. It is the main text of this document and provides an important basis for searching the database.

In bashang plateau central south farmland wind erosion prevention and control as the goal, choose resistance to plant diseases and insect pests, good adaptability, growth, high protection benefit of tree species, such as elm, camphor pine, korshinagana, seabuckthorn sea barbary wolfberry, build shelter forest belt, shelter forest belt between farmland autumn no-tillage, gala tillage, high stubble, vertical wind ridge conservation tillage measures, reduce farmland wind erosion intensity.

3.   Technical applicable conditions

3.1   Main use

1  Give a few answers, and choose up to five

 Improve the biological force 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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3.2   Type of degraded land applicable to the technology

2   

 Semi-fixed sand
 Flow sand
 Sand grassland
 Salinized grass
 Activated wind erosion pit
 Degradation of woodland
√Adventitious sand cultivated land
 else

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3.3   Climate conditions applicable to the technology

3   

climatic province:	Middle-temperate continental monsoon climate
average annual precipitation /mm	350~450	Annual annual evaporation rate / mm	1700~1900
Annual temperature / ℃	2.4~4.1	maximum air temperature /℃	36.1~36.7
minimum air temperature /℃	-36.3~-34.3	Average annual wind speed / m / s	3.1~3.6
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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3.4   Technical mode of origin

4  County, township or climate area, and give the longitude and latitude of the application site of this project.

To the province	County (flag)	The township	climatic province	longitude	latitude	height /m
Hebei Province	Zhangbei County	Sea flow map township	Middle-temperate continental monsoon climate	114.472	41.263	1360

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4.   Site conditions where the technology applies

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	 Downs 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	 Flat sand
	√Cyane gentle arable land

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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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7  Vegetation condition

vegetation form	Community coverage	Vegetation degradation
 plantation: (what kind of plantation)	 < 5%	 Mild degradation
 Sand vegetation: (what community)	 5-15%	 Moderate degradation
 Tuft: (What community)	 15-25%	 Heavy degradation
 Grassland: (what kind of community)	 25-40%	 Artificial forest has dry shoot phenomenon
 Meadow: (What Community)	 > 40%	 The plantation has the death phenomenon
√Others: cultivated land

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8  Groundwater condition

The average buried depth
√ < 1 m	√ 3-5 m	√ > 10 m
√ 1-3 m	√ 5-10 m

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5.   Technical content

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. Design of farmland shelterbelt and forest belt	elm lime, lime, elm sand, camphor sand, elm city, camphor city mixed forest belt: Tree 1~2 rows, plant row spacing 4.0×4.0m; Bush 2 row, plant row spacing 0.5×5.0m; The width is 10m and the spacing is greater than 100m.	spring
2. Construction and land preparation of farmland shelterbelt	Tree hole pit preparation: 60cm 60cm 60cm; 50cm 30cm.	spring
3. Farmland shelterbelt seedling requirements	Elm: seedling height 150cm, base diameter 1.5cm, root length 25cm naked root seedlings; Pinus sylvestris: seedling height 60cm, base diameter 1.2cm container seedlings; Caragana ana, seabuckthorn, barbary wolfberry: 2.	spring
4. Farmland shelterbelt planting	reforestation	Spring, rainy season
5. Care and protection of farmland shelterbelt	No grazing work, pest control	annual
6. Cropling methods	The autumn no-tillage Spring Festival Gala is used, and then ploughing after the season of frequent wind erosion in the middle of May. If the frequent wind erosion occurs before the season, the southwest-northeast and north-south ridges should be used, the ridge height should exceed 30cm as far as possible, and the ploughing should not be leveled.	spring
7. Crop planting structure	To naked oats, wheat and other crops with large hardness, reduce potatoes, beets, vegetables, flax and other crops without or less stubble, put an end to a large area of planting potatoes, vegetables.	spring
8. Crop harvesting operations	With high stubble harvesting, the stubble height should exceed 30cm.	autumn
9. Straw cover	straw mulching	autumn
10. Other

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Schedule or attachment (with relevant technical parameters, add schedule or attachment information here)

6.   technical costs

10   

labour cost	585 yuan / ha
cost of material	RMB 1, 050 yuan / ha
Water cost (if irrigation is required)	RMB 355 yuan / ha
total cost	RMB 1, 990 yuan / ha

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7.   Technical results pictures

Comparison before and after technical implementation

From the treatment effect, forest growth, stand health, ecological benefits of the comparison, 2-4 photos, please indicate the author of the picture, place, time or before and after the treatment.