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Gao X.,University of Science and Technology of China | Gao X.,Key Laboratory of Land Regulation Ministry of Land and Resources | Wu K.,University of Science and Technology of China | Wu K.,Key Laboratory of Land Regulation Ministry of Land and Resources | And 5 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2015

Reserved resource for cultivated land is an important supplement to cultivated land, and it plays an important role in requisition-compensation balance, however, it has disadvantages of subjectiveness and emphasizing on quantity in cultivated land supplement. It is necessary to play the role of farmland reserve resources to replenish cultivated land for the realization of the goal of farmland protection in the overall planning period of county land use. Data used for study are from the results of the new round of 'survey and evaluation of reserved resource for cultivated land'. A balancing method, which focused on both quantity and quality and was based on the ratio of added cultivated land and grade conversion coefficient, were proposed to analyze the capability of requisition-compensation balance in the planning period. And we analyzed the capacity to achieve the balance of arable land in the county planning period. The coefficient of newly increased cultivated land was developed by the weighted average of the newly cultivated land rate. The conversion coefficient of requisition and compensation of arable land is based on the national unified research results of arable land's requisition compensation balance according to grade conversion coefficient from Land Resources and Land Rehabilitation Center. Taking Yuanjiang City, Hunan Province as an example, we calculated the area of reserved resource for cultivated land needed for realizing both quantitative and qualitative balance. According to the "Yuanjiang City land use overall planning (during 2006-2020)", the new construction area of farmland was expected to not more than 899.2 hm2 until 2020, the quality of new construction occupation of cultivated land focused on the level of 1-5, whose composition ratios were 40.61%, 16.15%, 22.73%, 18.8% and 1.72%, respectively. The reserved resource area of cultivated land in Yuanjiang City was 1744.14 hm2, of which 1447.64 hm2 cultivated land can be added after the correction of the coefficient of newly cultivated land. Results showed that 1083.37 hm2 of reserved resource for cultivated land should be developed to meet the requirement of quantity balance of cultivated land. When the quality of cultivated land was at the level of 1-5, the minimum development area was 1083.37 hm2, and the highest was 1473.39 hm2, while according to the composition of quality grade of cultivated land, at least 1083.37 hm2 of reserved resource for cultivated land should be developed to meet the requirement of quantity-quality balance, and 1 351.65 hm2 for the maximum. According to the area of the remaining arable land reserved, cultivated land development can last at most for 5 a, and at least for 2 a. Through analyzing, we find that the total area of reserved cultivated land in Yuanjiang city can meet the requirement of requisition-compensation balance which focuses on both quantity and quality. But there is a big pressure on requisition-compensation balance, especially on the quantity-quality balance. Therefore, to know the capability of requisition-compensation balance is in favor of planning construction project reasonably and reaching the goal of cultivated land protection targeted in the overall plan of land utilization. ©, 2015, Chinese Society of Agricultural Engineering. All right reserved.


Zhang M.,China University of Geosciences | Wang J.,China University of Geosciences | Wang J.,Key Laboratory of Land Regulation Ministry of Land and Resources | Bai Z.,China University of Geosciences | And 2 more authors.
Advanced Materials Research | Year: 2012

As the lack of topsoil resources, and the shortage of water resources, the ecological environment is extremely fragile in the pasture opencast coal mine area of China. Therefore, that the way to achieve the most efficient use of the limited topsoil resources in pasture area, plays a crucial role in land reclamation and ecological restoration. East II opencast coal mine in Datang, Inner Mongolia was taken as an example to analyze topsoil quality variation under different dump platform and slope reclamation modes in the pasture opencast coal mine area. The field investigation method was used in this paper. The study found that the mode "covering topsoil, overlying grass, grass grid, N fertilization, planting vanguard vegetation" in dump platform and "covering topsoil, overlying grass, grass grid, planting vanguard vegetation " in dump slope can lead to the best topsoil quality, though it still less than the original landscape topsoil quality level. The research can provide technical support and scientific basis for the pasture reclamation and ecological restoration. © (2012) Trans Tech Publications, Switzerland.


Wang S.,Shanxi Agricultural University | Sun T.,Shanxi Agricultural University | Zhou W.,University of Science and Technology of China | Zhou W.,Key Laboratory of Land Regulation Ministry of Land and Resources | And 2 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2011

This study aimed to investigate the reclamation pattern for mining subsidence area in loess hilly and gully regions according to land damage degree to achieve the goal of ecological restoration, which is of a significance in management and protection of cultivated land. Based on the MSAS software environment, combining with the mining design and observed parameter, we forecasted subsidence damage of first mining area in slope coal mine. The total area affected by mining was up to 16.54 km2, which dominated by grassland and cultivated land. In these damaged cultivated areas, there were 3.70 km2 of wild damage, 2.41 km2 of moderate damage and 0.17 km2 of severe damage. Therefore, in terms of the natural landscape pattern in the study area, it was suggested to take the fissure filling and the land leveling reclamation measures in the mild damaged arable land. Additionally, slop will be changed into terrace in accordance with the principle of contiguous focus on damaged cultivated land of 4.63 km2 in total. This reclaimed project would increase cultivated land area by 0.40 km2 and decrease the soil and water loss by 49000 t/a. It is concluded that the reclamation pattern proposed in the study is an effective and significant way for restoring cultivated land and controlling soil and water loss in mining subsidence area.


Feng R.,University of Science and Technology of China | Feng R.,Key Laboratory of Land Regulation Ministry of Land and Resources | Wu K.,University of Science and Technology of China | Wu K.,Key Laboratory of Land Regulation Ministry of Land and Resources | And 2 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2012

Aimed at the construction requirements with concentration, fully supported facilities and friendly environment, taking Zhongjiang county as study area, a reasonable way in mapping out the time sequence and construction mode of high-standard prime farmland was investigated. And the time sequence and mode partition of high-standard prime farmland construction were determined by the technique for order preference by similarity to ideal solution (TOPSIS) and limiting factors analysis methods. Considering the natural endowments, infrastructure and construction conditions and economic and social affordability, 12 indexes were selected and analyzed. The results showed that high-standard prime farmland in Zhongjiang county could be divided to near-, mid- and long-term construction, and their area proportion of near, mid and long-term construction was 19.28%, 37.86% and 43.86%, respectively. Meanwhile, high-standard prime farmland in Zhongjiang county could be divided to three construction modes, namely slope modification construction mode, irrigation works construction mode and field roads construction mode, and their area proportion was 41.34%, 31.53% and 27.13%, respectively. This research provides a scientific basis for consolidation plan and construction programs of high-standard prime farmland in counties.


Yang R.X.,University of Science and Technology of China | Wang J.M.,University of Science and Technology of China | Wang J.M.,Key Laboratory of Land Regulation Ministry of Land and Resources
Advanced Materials Research | Year: 2013

With construction and development of opencast coal mine, its damage to the land resources and ecological environment in mine area become increasingly serious. Thus, assessing change law of reclaimed mine soils is essential for land reclamation and ecological restoration in ecological fragile area. Is this study, soil Bulk Density, Organic matter, Available P, Available K, Alkali-hydrolyzed N, Total N, pH value, Electrical Conductivity was analyzed in different sampling sites with different reclamation age and an unmined site as a reference in Inner Mongolia mining waste dump. The soil Organic matter, Available P, Available K, Alkali-hydrolyzed N and Total N increased with reclamation age, all the soil factors gradually arrived at their content in original landform. A model of RMSs characteristics was constructed using index sum method. RMSs characteristics had been improved in study area, and gradually arrived at the original landform level. © (2013) Trans Tech Publications, Switzerland.


Wang J.,University of Science and Technology of China | Wang J.,Key Laboratory of Land Regulation Ministry of Land and Resources | Bai Z.,University of Science and Technology of China | Bai Z.,Key Laboratory of Land Regulation Ministry of Land and Resources | And 5 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2010

Technical standard system construction has same importance and effect compared with legal system establishment for the development of land reclamation. Land reclamation standard system connotation was initially summarized in this paper according to specific characteristics of land reclamation and standard system, and the basic principle for constructing land reclamation standard system was proposed. Based on the current situation of technical standard system on land reclamation in China, preliminary framework of Chinese technical standard system on land reclamation was put forward according to inner link of land reclamation standard system and land reclamation specialized sequence (including investigation, appraisal, plan, design, budget, construction, monitor and management), and land reclamation standard system that including 27 standards was constructed. The constructed standard system framework contained three levels including primary standard, general standard and special-purpose standard, and it may provide the technical support for the land administration department to strengthen the land reclamation management.


Li X.,University of Science and Technology of China | Wang J.,University of Science and Technology of China | Wang J.,Key Laboratory of Land Regulation Ministry of Land and Resources | Zhang M.,University of Science and Technology of China
International Conference on Remote Sensing, Environment and Transportation Engineering, RSETE 2013 | Year: 2013

Land consolidation and rehabilitation is the important measure to achieve quantity dynamic balance and quality increase of farmland, and ecological environment improvement. At present, potential measure of farmland consolidation and rehabilitation in county area is the foundation of land consolidation and rehabilitation plan. On the basis of land change survey in 2010 of Huairou county of Beijing and farmland zones, the previous land consolidation and rehabilitation project results were used and combined with typical survey to calculate quantity potential. Meanwhile, the quality potential of farmland was calculated based on the results of farmland quality classification. Taking administrative villages as units, potential of county farmland consolidation and rehabilitation was analyzed and evaluated, and the research results can provide technical support for making land consolidation and rehabilitation plan in Huairou county. © 2013. The authors.


Yang R.,University of Science and Technology of China | Wang J.,University of Science and Technology of China | Wang J.,Key Laboratory of Land Regulation Ministry of Land and Resources | Ye C.,University of Science and Technology of China
International Conference on Remote Sensing, Environment and Transportation Engineering, RSETE 2013 | Year: 2013

Land rearrangement zoning is to create its direction and key aspect, operate different administration and make land rearrangement measures that in keeping with the real conditions of local area. Huairou district of Beijing was taken for instances, taking administrative villages as zoning unites to get 4 indexes and 10 factors for analyzing based on natural and socio - economic conditions by using comprehensive index value method. Huairou district was divided into 5 areas: plain-agricultural area, hilly-agricultural area, urban-developing area, ecological-protecting area, tourist-developing area after comprehensive analyzing. Direction and key aspects of land rearrangement in each zone were confirmed. This zoning can provide land rearrangement measures targeted in each zone1. © 2013. The authors.


Sun Y.,University of Science and Technology of China | Sun Y.,Key Laboratory of Land Regulation Ministry of Land and Resources | Wu K.,University of Science and Technology of China | Wu K.,Key Laboratory of Land Regulation Ministry of Land and Resources | And 7 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2013

The quantity and quality of arable land is important to our country's food security and the long-term stability of the community. Farmland quality monitoring is an important measure to implement the farmland protection policy. Monitoring changes in farmland quality is needed. This study focuses on 1) monitoring the work as a fledgling local technical reserve, 2) financing difficulties, 3) how to choose the optimization and the least amount of monitoring points, and 4) controlling arable land quality level. Daxing District, Beijing serves as a study area to investigate the layout method of monitoring points for farmland quality level monitoring. A theoretical model named "Agricultural land natural level- Dominant factor" is established by dividing the monitoring control areas according to the main soil characteristics that affect the quality of cultivated land, Then, the "Agricultural land natural level- Dominant factor" theoretical model is used to subdivide monitoring control areas to emplace the monitoring points. The core idea of "Agricultural land natural level- Dominant factor" is that by combining the enhancement potential index of the natural level, the content of organic matter, the topsoil texture, the profile form and the degree of salinity into full factorial permutations, then the combination type of the enhancement potential index of the natural level can be obtained. The enhancement potential index of the natural level of each grading factors can most directly reflect the impact of its related grading unit natural level movements. On one hand, it reflects both the degree of restricting and reflects the potential to increase degree and quality. On the other hand, it points out the high standard of basic farmland for future direction of land remediation for soil characteristics. Daxing District is divided into six monitoring and control areas and 39 potential index combination types of improving agricultural land natural level. Combining 39 types of the potential index of improving agricultural land natural levels results in eight types of "Agricultural land natural level- Dominant factor". Based on this, 58 monitoring sample points are laid. On the basis of the division of monitoring and control areas, monitoring sample points were laid according to the main soil characteristic that affects the quality of cultivated land. This has application value in researching the process of laying the monitoring sample points in the farmland quality level monitoring. This theoretical model can significantly improve the accuracy of the monitoring samples and ensure the representativeness of monitoring sample points and the integrity of cultivated land quality monitoring information. There are some inadequacies in the research process that need to be further explored. For instance, the article has insufficient consideration to the agricultural conditions of the study area facilities. At the same time, Daxing District is in the plain area, the geological conditions here are relatively uniform and the quality of cultivated land is also relatively concentrated, whether the research method in this article is universally applicable needs to be verified in the more geologically and geomorphologically complex areas.

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