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1)  Soil erosion information system
土壤侵蚀信息系统
2)  soil erosion information entropy
土壤侵蚀信息熵
1.
The author put forward the concept for soil erosion information entropy,and expressed by where represents unit transform coefficient for information measurement, represents contribution of the jth type corresponding to the ith factor to soil erosion, represents the weight of the jth type for the ith factor.
提出了土壤侵蚀信息熵 (侵蚀熵 )的概念 ,并以公式 H=- cΣni=1 ωiaijlog(ωiaij)来表达。
3)  soil information system
土壤信息系统
1.
Coordinate transformation model and application of map digitizing in the soil information systems;
土壤信息系统数据采集中坐标变换模型及应用
2.
A preliminary study on rice nitrogen application decision-making by soil information system — A case study of Dafeng City,Jiangsu Province;
利用土壤信息系统进行水稻施氮量决策初探——以江苏省大丰市为例
3.
A study on building up soil information system of Dafeng City,Jiangsu Province;
土壤信息系统建造研究——以江苏省大丰市为例
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4)  soil erosion
土壤侵蚀
1.
Research progresses in agricultural non-point source pollution caused by soil erosion;
土壤侵蚀引起的农业非点源污染研究进展
2.
Forecast of influence of coal-mining subsidence on soil erosion and land use;
采煤沉陷对土壤侵蚀与土地利用的影响预测
3.
The variation of Holocene soil erosion and re-deposition on gentle slope ground in the eastern Guanzhong basin;
关中东部缓坡地面全新世土壤侵蚀与沉积发展演变规律研究
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5)  Soil loss
土壤侵蚀
1.
Area division of sensitivity to water-caused soil loss in ecologically functioning areas of Dongsheng,Erdos
鄂尔多斯东胜地区不同生态功能区的土壤侵蚀敏感性
2.
Based on the RS data,the watershed inventory data derived in 2001 and 2003,and the field data,including physiognomy,vegetation,and rainfall,RUSLE is combined with GIS to estimate the soil loss by erosion.
借用地理信息系统(GIS)和遥感(ERDAS)技术,以修正的通用水土流失方程(RUSLE)为核心,根据吉溪流域2001年和2003年的遥感影像解译数据和统计资料得到地貌、降雨量、植被等资料,量化流域土壤侵蚀评价因子,对吉溪流域土壤侵蚀进行了定量化分析。
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6)  Eroded soil
侵蚀土壤
1.
Effects of soil and water conservation measures on eroded soil development in the Loess Plateau;
黄土高原水土保持措施对侵蚀土壤发育的效应
2.
The assessment methods of soil degradation and the principles for establishing degradation indexes of eroded soils were instructed.
介绍了国内外土壤退化的评估方法和建立侵蚀土壤退化指标的原则 ;根据侵蚀土壤的发展过程和属性变化特点 ,提出了侵蚀土壤退化指标体系 ;系统全面地论述了侵蚀土壤物理退化、化学退化和生物退化的具体内容和定量指标。
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补充资料：土壤信息系统

由土壤资料建立起来的数据库语言与软件系统。可用以指导施肥、灌溉、土壤管理，也可对土壤的性状改变进行监测、预报、调控。是地理信息系统、农业信息系统的组成部分。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条