USING THE USDA-NRCS SOIL SURVEY DATABASE TO EVALUATE AMPHIBOLE CONTENT OF SOILS IN THE UNITED STATESBased on these data, amphibole content in United States soils is somewhat evenly distributed across the country. Maps of asbestos mine locations published by USGS in the U.S. show few locations...
摘要: This dataset is a digital representation of the County Soil Survey maps published by the United States Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS) as the Soil Service Geographic (SSURGO) dataset. DOI: http:/www.swfwmd.state.fl.us/ 年份: 1990 收藏...
文档标签: soil survey of clinton county pennsylvania - usda 系统标签: clinton pennsylvania soil survey county usda UnitedStatesDepartmentAgricultureNaturalResourcesConservationServicePennsylvaniaStateUniversity,CollegeAgriculturalSciences;PennsylvaniaDepartmentEnvironmentalProtection;PennsylvaniaDepartmentAgriculture;Pennsylvania...
USDA: Web Soil Survey
(1) Primary responsibility for various aspects of the National Soil Information System is with soil survey offices, State offices, soil survey regional offices (SSRO), the National Soil Survey Center (NSSC), and, on some Federal lands, such NCSS partner agencies as the USDI-Bureau of Land ...
Influence of Abiotic and Biotic Factors in Measuring and Modeling Soil Erosion on Rangelands: State of Knowledge The first standardized soil erosion prediction equation used on rangelands was the Universal Soil Loss Equation (USLE). The Revised Universal Soil Loss Equ... MA Weltz,Mary R. Kidwell ...
来自 ir.library.oregonstate.edu 喜欢 0 阅读量: 5 摘要: Statistics Report for : USDA report on water and related land resources, John Day River Basin, Oregon : based on a cooperative survey by the State Water Resources Board of Oregon and the United States Department of Agriculture...
depressions, mounds, old terraces, turn rows, and other surface irregularities interfere with the application of needed soil and water conservation and management practices. Land smoothing operations are typically classed as rough grading. Ordinarily, this does not require a complete grid survey. It ...
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(NRCS) Soil Survey Geographic database. The soil characteristics evaluated in the research included cation exchange capacity; hydrologic soil group; sand, silt, clay, and organic matter content; saturated hydraulic conductivity; depth to water table; septic suitability; soil surface acidity; drainage ...