Clay as a soil separate consists of mineral soil particles that are less than 0.002 mm in diameter. The estimated clay content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 mm in diameter. The amount and kind of clay affect the fertility and …Continue reading “Iowa Soil Clay Content Maps [gSSURGO]”
Silt as a soil separate consists of mineral soil particles that are 0.002 to 0.05 mm in diameter. In the database, the estimated silt content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 mm in diameter. The content of sand, silt, and clay …Continue reading “Iowa Soil Silt Content Maps [gSSURGO]”
Sand as a soil separate consists of mineral soil particles that are 0.05 mm to 2 mm in diameter. In the database, the estimated sand content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 mm in diameter. The content of sand, silt, and …Continue reading “Iowa Soil Sand Content Maps [gSSURGO]”
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A statistical comparison of soil properties classified via Digital Hillslope Position and Floodplain algorithm vs. gSSURGO and Iowa physiographic regions.
![Iowa Soil Clay Content Maps [gSSURGO]](https://i0.wp.com/www.agron.iastate.edu/glsi/files/2019/06/Binder8.pdf_Page_01_Image_0001.jpg?resize=150%2C150&ssl=1)
![Iowa Soil Silt Content Maps [gSSURGO]](https://i0.wp.com/www.agron.iastate.edu/glsi/files/2019/06/Binder7.pdf_Page_01_Image_0001.jpg?resize=150%2C150&ssl=1)
![Iowa Soil Sand Content Maps [gSSURGO]](https://i0.wp.com/www.agron.iastate.edu/glsi/files/2019/06/Binder6.pdf_Page_01_Image_0001.jpg?resize=150%2C150&ssl=1)
