Webfor any size of land tract. A typical soil map of an 80-acre field located in the Clarion-Nicollet-Webster soil association area of north central Iowa is shown in Figure 1. Calculation of a weighted average CSR is illustrated in Table 2. The weighted average CSR for the 80-acre field is 75.2. Symbols on the soil map in addition to the soil map WebData Distribution - GIS data is primarily delivered to natural resource managers and the public through the States' Iowa Geodata GIS Clearinghouse, DNR GIS Web Services, and …

Soil Temperature Map Can Help Guide Farmers

http://www.agronext.iastate.edu/soilfertility/info/ICM_2001_ZoneSampling_Publ.pdf WebIowa Soil Property Maps (gSSURGO) Volume of water held by the soil matrix available for plant uptake. Cumulative supply volume of water held by the soil matrix. The … eothenomys

Iowa Soils Iowa PBS

WebThis dataset consists of general soil association units. It was developed by the National Cooperative Soil Survey and supersedes the State Soil Geographic (STATSGO) dataset published in 1994. It consists of a broad based inventory of soils and nonsoil areas that occur in a repeatable pattern on the landscape and that can be cartographically ... Webpotential erodibility for each soil by the soil loss tolerance (T) value established for the soil. The T value represents the maximum annual rate of soil erosion that could take place without causing a decline in long-term productivity. A soil map unit w ith an erodibility index of 8 or more is a highly erodible soil map unit. Water Erosion WebThe general soil map, which is a color map, shows the survey area divided into groups of associated soils called general soil map units. This map is useful in planning the use and management of large areas. To find information about your area of interest, locate that area on the map, identify the name of the map unit in the area on the color-coded map legend, … drill down table in html