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[1]LI Haiqiang,GUO Chengjiu,LI Yong.Variation Characteristics of Soil Nutrients in Sloping Farmland With Measures of Soil and Water Conservation Based on GIS[J].Research of Soil and Water Conservation,2017,24(02):43-48.

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Variation Characteristics of Soil Nutrients in Sloping Farmland With Measures of Soil and Water Conservation Based on GIS

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 02 Page number: 43-48 Column: Public date: 2017-04-28

Title:: Variation Characteristics of Soil Nutrients in Sloping Farmland With Measures of Soil and Water Conservation Based on GIS

Author(s):: LI Haiqiang¹, GUO Chengjiu¹, LI Yong²; 1. College of Water Conservancy, Shenyang Agricultrural University, Shenyang 110866, China;
2. Soil and Water Conservation Station of Huanren Manchu Autonomous County, Huanren, Liaoning 117200, China

Keywords:: soil and water conservation measures; soil nutrient; ArcGIS; spatial interpolation

CLC:: S152.71

DOI:: -

Abstract:: We selected soil nutrient in soil and water conservation measures system composed of water conservation forest, level terrace and terrace plants and no measures slope farmland as the research sample. We used GPS to locate the sampling point and combined traditional statistical analysis and ArcGIS’s statistical analysis, compared the parameters and error values, and selected the best spatial interpolation model (spherical model) to study soil nutrient spatial variability in soil and water conservation measures system and no measures slope farmland. The results showed as follows. (1) The spatial variability of five indicators follows the order:TP > available P > TN > organic matter > pH, the spatial variabilities of TN, TP, available P and pH are significantly affected by soil and water conservation measures, while organic matter is impacted not only by non-human factors but also by human factors. (2) The use of Kriging interpolation mapping shows that the five indicators unevenly distributed in the space. The content of soil nutrient resulting from taking conservation measures was significantly higher than that of the control area. From the top of the hill to the bottom of the slope, soil nutrient decreased regularity under no measure. The spatial variation of soil pH was opposite to that of organic matter, TN, TP and available P. (3) Soil and water conservation forest interception effects on TN, TP and organic matter are the best, and the interception effect of level terrace of P is significant. As a result of no control area as a necessary sink part of the lost soil nutrients, soil nutrient content was high in this area, showing that ridge plants have no significant effect on nutrient retention. With regard to pH in space, the corresponding planting plants make soil pH value of in water conservation forest and ridge plant belt decrease.

References:: [1] 张兴昌,邵明安.植被覆盖度对流域有机质和氮素径流流失的影响[J].草地学报,2000,8(3):198-203.
[2] 张兴昌,邵明安,黄占斌,等.不同植被对土壤侵蚀和氮素径流流失的影响[J].生态学报,2000,20(6):1038-1044.
[3] 刘佳,范吴明,周丽丽.春季解冻期降雨对黑土坡面侵蚀影响研究[J].水土保持学报,2009,23(4):246-265.
[4] 冯洋,郭成久,李勇,等.不同水土保持措施对黑土区坡耕地氮、磷流失的影响[J].水土保持研究,2014,21(3):47-56.
[5] 雷能忠,吴大鹏,王心源,等.基于ArcGIS的土壤有机碳密度及储量计算[J].合肥工业大学学报,2008,31(11):1740-1743.
[6] 宋月君,吴胜军,刘永美,等.基于GIS技术的农用地非点源磷污染危险性评价:以长江流域为例[J].测绘科学,2008,33(S1):137-140.
[7] 方广玲,香宝,赵玮,等.基于GIS和RUSLE的拉萨河流域土壤侵蚀研究[J].水土保持学报,2015,29(3):6-12.
[8] 成杰民,宋涛,李彦.基于GIS的南四湖沿岸农业面源氮磷负荷估算研究[J].水土保持研究,2012,19(3):284-288.
[9] 倪九派,魏朝富,谢德体.基于GIS的小流域养分流失预测[J].土壤学报,2004,41(6):837-845.
[10] 周丽丽,范昊明,贾燕锋,等.磷素迁移规律与模拟[M].北京:中国农业大学技术出版社,2013.
[11] 贺小容,何丙辉,秦伟,等.扰动地表及不同坡位土壤养分特征分析[J].水土保持研究,2014,21(2):17-26.
[12] Liu Z P, Shao M A, Wang Y Q. Spatial patterns of soil total nitrogen and soil total phosphorus across the entire Loess Plateau region of China[J]. Geoderma,2013,197:67-78.
[13] Wang J, Wang D, Zhang G, et al. Nitrogen and phosphorus leaching losses from intensively managed paddy fields with straw retention[J]. Agricultural Water Management, 2014,141:66-73.
[14] Wang Y, Zhang X, Huang C. Spatial variability of soil total nitrogen and soil total phosphorus under different land uses in a small watershed on the Loess Plateau, China[J]. Geoderma,2009,150(1):141-149.
[15] Chhabra A, Manjunath K R, Panigrahy S. Non-point source pollution in Indian agriculture:Estimation of nitrogen losses from rice crop using remote sensing and GIS[J]. International Journal of Applied Earth Observation and Geoinformation, 2010,12(3):190-200.
[16] 田冬,高明,徐畅.土壤水分和氮添加对3种质地紫色土氮矿化及土壤pH的影响[J].水土保持学报,2016,30(1):255-261.

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