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美国农业部国家农业统计局（NASS，USDA）联合美国宇航局（NASA）和乔治梅森大学（George Mason University）合作开发了一种可使使用者直接获取NASA高分辨率土壤湿度数据的“作物状况和土壤水分分析工具”（Crop CASMA）。
USDA Releases New Data on Soil Erosion and Development of Private Lands
New Data Soil Erosion Private Lands
2010/4/29
Agriculture Deputy Secretary Kathleen Merrigan today announced that soil erosion on cropland declined by more than 40 percent during the past 25 years, while more than one-third of all development of ...
Correlation Between the USDA and FAO Classification of the Soils in the Nile Delta, Egypt
Nile delta soils USDA classification FAO classification
2010/11/8
The Nile delta is the most productive and intensively used agricultural land in Egypt. The main objective of this study to characterize the type of soils in this area and to compare the USDA and FAO c...