MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Qing'an peat soil in Heilongjiang Province
Qinghai–Tibetan Plateau peatland sustainable utilization under
2017年3月21日 Qinghai–Tibetan Plateau soils, like soils in high latitudinal ecosystems in the Northern Hemisphere, are considered as a C sink for atmospheric carbon dioxide (CO 2; Yang et al 2009) Total organic C storage in soils of the Qinghai–Tibetan Plateau is estimated at 1923 The Huanan Peatland (130°51′408″E, 46°25′260″N) is situated in Huanan County, Heilongjiang Province, within the middle and low mountainous regions of the Laoyeling Mountains of Climatedriven peatlands development and vegetation dynamics 2024年10月1日 Peatlands store vast amounts of soil carbon and the stability of this carbon pool plays a crucial role in the carbon dynamics under global change In the Sanjiang Plain, one of Effects of land reclamation on peatland carbon stability in Sanjiang 2017年3月1日 Often referred to as the “Third Pole,” China's Qinghai–Tibetan Plateau developed large amounts of peatland owing to its unique alpine environment As a renewable resource, Qinghai–Tibetan Plateau peatland sustainable utilization under
Peat records of atmospheric environmental changes in
2023年5月15日 The peat pro le from the remote Zoige peatland in QinghaiTibetan Plateau displayed a higher concentration of PAHs, indicating that they originated from biomass, coal combustion, and oil2010年10月1日 This paper studies spatial and temporal variation in the soil carbon pool and their controlling factors in the southern Songnen Plain in Heilongjiang Province, using soil Temporal variation of soil carbon stock and its controlling factors 2022年5月21日 In this study, we analyzed the spatial evolution of cultivated land from 1980 to 2015 in the Heilongjiang Province, one of the most important grain production regions in Spatial evolution of cultivated land in the Heilongjiang Province in 2023年8月7日 Soil is a major resource that ensures adequate grain production in Heilongjiang Province However, Heilongjiang Province’s grain production and sustainable agricultural development capacity have been limited by longterm, Refined Evaluation of Soil Quality Sustainability in the
Anthropogenic and climatic‐driven peatland degradation during
2021年7月14日 To better understand anthropogenic and climatic impact on peatland vegetation and environment, we assessed the impact of the human influence index (HII) on modern In this study, we analyzed the spatial evolution of cultivated land from 1980 to 2015 in the Heilongjiang Province, one of the most important grain production regions in China, by Spatial evolution of cultivated land in the Heilongjiang Province in 2016年1月1日 Among the types of soils existing in the province, salinealkali soil is the lowest in Se content (0097 mg kg⁻¹), while Peat soil the highest {0273 mg kg⁻¹); In most soil profiles Se Distribution of selenium and its infuencing factors in soils of 2020年7月1日 In Populus × xiaohei shelterbelts in midwestern Heilongjiang province, Zhang et al (2021) also observed a downward trend in TP content with an increase in forest age; TP content decreased from Changes in and evaluation of surface soil quality in Populus ×
Heilongjiang WikiMili, The Best Wikipedia Reader
2024年11月1日 Heilongjiang is a land of varied topographies Much of the province is dominated by mountain ranges such as the Greater Khingan Range and Lesser Khingan Range, Zhangguangcai Mountains, Laoye Mountains, Main soil types are temperate zone dark palm soil, frigidtemperate palm needle forest soil, gray forest soil and chernozem Forest, grassland by the mankind's economic activity in Heilongjiang Province Before Qing dynasty (1664 year), there were much forest in Heilongjiang Province In common, forest was called "WOJI Dynamic of forest landscape in Heilongjiang Province for one2023年2月1日 Heilongjiang is a major grainproducing province located in the far north of China, with fertile soil and excellent ecological environment However, owing to unreasonable and excessive utilization, several cultivated lands have experienced problems, such as soil erosion, fertility decline, and pollution, which seriously threaten the sustainable use of the land ( Shang Quantitative assessment of cultivated land use intensity in 2023年8月30日 To reveal the influence of freeze–thaw cycles (FTCs) on soil carbon and nitrogen changes, six typical soils in Northeast China were selected as the research objects to conduct a FTC simulation test in an artificial climate chamber Three soil volumetric water contents (10%, 20%, 30%) and eight FTCs (0, 2, 4, 6, 8, 10, 15, 20) were setEffects of freeze–thaw cycles and the soil water content on carbon
Characteristics of soil humidity and its sensitivity to temperature
Temperature and precipitation are mainly impacting factors to soil humidity,and it is important to regional agricultural production,ecological environment improvement and economic sustainable developmentBased on temperature and precipitation data at 73 weather stations from 1984 to 2007 in Heilongjiang province,and soil humidity data from 13 soil observational stations,the 2024年11月25日 Heilongjiang, the northernmost sheng (province) of China’s Northeast region It is bounded to the north and east by Russia along the Amur River and the Ussuri (Wusuli) River, to the south by the Chinese province of Jilin, and to the west by the Inner Mongolia Autonomous Region The capital is HarbinHeilongjiang occupies about threefifths of the area of the three Heilongjiang China’s Northernmost Region BritannicaPlain in Heilongjiang Province; Soil carbon pool; Spatial and temporal variation; Carbon cycle Abstract Against the current background of global climate change, alluvial soil, dark brown soil, and peat soil, SIC contents are very low and organic carbon is predominant Table 1 displays various soil types’ SOC and SIC density and overall Temporal variation of soil carbon stock and its controlling factors Using geochemical data obtained from black soil quality surveys, this study investigates the geochemical baseline values and background values of soil in the northernmost Xunke Plain of China, as well as their differences from the national and Songliao Plain soil baseline values and background values This provides a reference basis for studying soil baseline values and Soil geochemical baseline values and background values in Xunke
Heilongjiang Wikipedia
Heilongjiang [a] is a province in northeast ChinaIt is the northernmost and easternmost province of the country and contains China's northernmost point (in Mohe City along the Amur) and easternmost point (at the junction of the Amur 2021年5月10日 To investigate the distribution of soil exMg in Heilongjiang Province, soil samples were collected in 2016 The sampling sites of this study were distributed in the main riceproducing areas of the Songnen Plain, south Magnesium Fertilization Affected Rice Yields in 2010年10月1日 Table 1 displays various soil types’ SOC and SIC density and overall storage Swamp land has the highest SOC density of all the soil types, followed by rocky soil, dark brown soil, and paddy soil However, from the perspective of SOC storage, meadow soil, followed by chernozem and black soil, has the greatest SOC storage capacity due to its relatively larger areaTemporal variation of soil carbon stock and its controlling factors 2009年4月20日 The results show that soil organic carbon contents follow the order: Heilongjiang Province[J] Chinese Geographical Science, 2010, 20(2): 139143 doi: 101007/s1176901001394 Citation: ZHANG Guilan Changes of Soil Labile Organic Carbon in Different Land Uses in Sanjiang Plain, Heilongjiang Province[J]Changes of Soil Labile Organic Carbon in Different Land Uses in
Carbon stock and sink economic values of forest ecosystem in
2021年5月15日 The values of forest carbon stock (CSV) and carbon sink (COV) are important topics in the global carbon cycle We quantitatively analyzed the factors affecting changes in both for forest ecosystem in 2000−2015 With multiple linear stepwise regression analysis, we obtained the factors that had a significant impact on changes of CSV and COV, and then the impacts of 2010年4月1日 Download Citation Changes of Soil Labile Organic Carbon in Different Land Uses in Sanjiang Plain, Heilongjiang Province In the Sanjiang Plain, Northeast China, the natural wetland is Changes of Soil Labile Organic Carbon in Different Land Uses in 2022年8月1日 Abstract The evolution of the average freezing depth and maximum freezing depth of seasonal frozen soil and their correlations with the average winter halfyear temperature in Heilongjiang Province in China are analyzed Linear regression, the Mann–Kendall test, and kriging interpolation are applied to freezing depth data from 20 observation stations in Study on the Change in Freezing Depth in Heilongjiang Province 2023年5月15日 More than 1,100 forest res were reported in Heilongjiang Province from 2002 to 2017 ( Pang et al, 2021 ), resulting in increased BC emis sions during the unplanned exploitation period ( Gao et Peat records of atmospheric environmental changes in China: A
The dispersion mechanism of dispersive seasonally frozen soil
2021年4月29日 A large area of sodasaline soil has developed in the seasonally frozen area of western Jilin Province, northeast China Because of the strong dispersibility of this soil, irrigation channels and other water conservation projects are often damaged or even destroyed by erosion In this study, grey relational analysis was used to analyze the correlation between the 2023年10月27日 As one of the major new agricultural business entities, agricultural leading enterprises (ALEs) are responsible for ensuring national food security, leading agricultural and rural modernization, and increasing farmers’ employment prospects and incomes From the perspective of headquarters and branches, this study used a point pattern analysis, the local Spatial Pattern and Influencing Factors of Agricultural Leading 2023年8月23日 Peatlands, as a special type of wetland, occupy only 3% of the Earth’s surface, but bear about onethird of the world’s soil carbon storage and play an important role in the global carbon cycleResearch Status, Problems and Direction of Soil Organic Carbon in The Heilongjiang Province (43°26′N–53°33′N, 121°11′E–135°05′E) is located in northeastern China, with a total area of approximately 473,000 km2 The elevation of terrain is generally high in the northwest, north, and southeast and low in the northeast and southwest areas of the Heilongjiang ProvinceSpatial evolution of cultivated land in the Heilongjiang Province
Soil mixing with organic matter amendment improves Albic soil
2020年10月13日 Crop productivity in Albic soil is poor, owing to poor soil physicochemical properties Mixing of Aw layers, representing Albic soil, with B layers, could improve the physicochemical properties of Albic soil, which is characterized by poor humus on the topsoil and high penetration resistance The objective of the present study conducted in 2015–2016 in an Based on the 1:50 000 land quality geochemical survey data of Baiquan area in Heilongjiang Province, the paper studies the geochemical characteristics and ecological effects of selenium(Se), and discusses the migration and enrichment rule of Se in soilplant system The results show that the Se content in root soil is averagely 025×10 6, belonging to MIGRATION AND ENRICHMENT OF SELENIUM IN SOILPLANT 2010年5月29日 In the Sanjiang Plain, Northeast China, the natural wetland is undergoing a rapid conversion into agricultural land, which has resulted in drastic ecological changes in the region To investigate the effects of different land uses on soil labile organic carbon, soils of Calamagrostis angustifolia wetland, Carex lasiocarpa wetland, dry farmland, paddy field, forest Changes of soil labile organic carbon in different land uses in 2023年8月30日 Request PDF Effects of freeze‐thaw cycles and the soil water content on carbon and nitrogen changes in different soil types of Heilongjiang Province, China To reveal the influence of freeze Effects of freeze‐thaw cycles and the soil water content on carbon
Selenium Content and/or T2 Toxin Contamination of Cereals, Soil
Selenium Content and/or T2 Toxin Contamination of Cereals, Soil, and Children’s Hair in Some Areas of Heilongjiang and Gansu Provinces, China Liyan Sun1,2 Silu Cui1,2 Qing Deng1,2 Hui Liu1,2 Yanhong Cao1,2 Shaoping Wang1,2 Jun Yu1,2 Received: 5 September 2018 /Accepted: 17 December 2018 /Published online: 3 January 年8月6日 Effects of Conservation Tillage on Agricultural Green Total Factor Productivity in Black Soil Region: Evidence from Heilongjiang Province, China August 2024 Land 13(8):1212Effects of Conservation Tillage on Agricultural Green Total Factor 2021年5月11日 Study Area Heilongjiang Province is located in northeast China between 43°26′53°33′N and 121°11′135°05′E where the Songhua River, Wusuli River, Suifen River, and Heilong River flow through, covering an area of 473,000 km 2It has a humid and semihumid monsoon climate of the cold temperate zones, which belongs to the Dwa, Dwb, and Dwc climate region Magnesium Fertilization Affected Rice Yields in Magnesium 2024年8月20日 This study takes Heilongjiang Province as an example and systematically analyzes the spatiotemporal variation characteristics and driving factors of vegetation net ecosystem productivity (NEP) in Heilongjiang Province from 2010 to 2020 by combining an improved CASA model and soil respiration model, as well as MODIS and meteorological dataSpatialndash;Temporal Changes and Driving Factor Analysis of
Magnesium fertilization affected rice yields in magnesium
Magnesium (Mg) plays a crucial role in rice yield Heilongjiang Province is the main riceproducing region of China, playing an important role in guaranteeing China’s and the world’s grain security However, rarely Mg fertilization is applied in this province Soil Mg status of main riceproducing areas in Heilongjiang Province was investigated and Mg fertilizer experiments were conducted 2015年5月12日 Also, Li et al (2016) showed that during 19822011 the mean SOC concentration decreased by more than 10% in croplands of Heilongjiang Province of northeast China, where the soil has the similar Change in soil organic carbon between 1981 and 2011 in 2024年8月6日 The implementation of conservation tillage is crucial for the preservation and utilization of black soil This study examined 297 new agricultural management entities in five pilot counties in the black soil region of northeast China Using the SBMUndesirable model, this study measured and evaluated the agricultural green total factor productivity (AGTFP) of these entitiesEffects of Conservation Tillage on Agricultural Green Total Factor 2023年11月9日 4 Heilongjiang Qing'an Rice: Qing'an rice is produced in Qing'an County, Heilongjiang Province, and is widely praised for its uniform particles, hard texture, and sweet taste Qing'an County is located in the eastern part of Heilongjiang Province, with abundant water resources and fertile soil, providing unique conditions for the growth of Ranking of the Best Rice in China Baidu
Changes in FreezingThawing Index and Soil Freeze Depth
2016年2月1日 Request PDF Changes in FreezingThawing Index and Soil Freeze Depth Over the Heihe River Basin, Western China Freezing/thawing index is an important indicator of climate change, and can be 2024年1月10日 However, the residue of plastic film in soil was becoming increasingly severe In Heilongjiang Province of China, the average annual residual amount was found to be as high as 1076 kghm −2 and the annual residual mulch quantity reaching up to 1/4 of the amount of plastic mulch used (Qi et al, 2020)A case on source to soil to solutions: Distribution characteristics of 2013年9月8日 Heilongjiang province endures severe forest fires, and the area of forest burned in the province is among the highest for provinces in China The total area of burned forest from 1987 to 2007 was 221 × 10 6 ha in China, 369 % of which was within Heilongjiang province, while the number of forest fires in the province accounted for only 17 % of the nation’s total of Predicting fire occurrence patterns with logistic regression in Heilongjiang Province Background now called the Manchus, took advantage of the unrest to conquer all of China, forming the Qing Dynasty (1644–1911) and its soil is wellsuited to soy and barley production For pre–World War II Japan, Manchuria was a vital source of raw materials By 1931, Heilongjiang Province Chinafolio
Effects of freeze–thaw cycles and the soil water content on carbon
2023年8月30日 To reveal the influence of freeze–thaw cycles (FTCs) on soil carbon and nitrogen changes, six typical soils in Northeast China were selected as the research objects to conduct a FTC simulation test in an artificial climate chamber Three soil volumetric water contents (10%, 20%, 30%) and eight FTCs (0, 2, 4, 6, 8, 10, 15, 20) were set2015年4月17日 Request PDF Change in soil organic carbon between 1981 and 2011 in croplands of Heilongjiang Province, northeast China: Change in SOC between 1981 and 2011 in croplands of Heilongjiang, China Change in soil organic carbon between 1981 and 2011 in croplands