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Custom Soil Resource Report <br />In class 1 there are no subclasses because the soils of this class have few limitations. <br />Class 5 contains only the subclasses indicated by w, s, or c because the soils in class <br />5 are subject to little or no erosion. <br />Report-Land Capability Classification (Yuma County - Moser Pit) <br />Land Capability Classification- Yuma County, Colorado <br />11? ? Map unit symbol and name Pct. of Component name Land Capability <br />map unit Subclass <br />Nonirrigat I Irrigated <br />ed <br />18-Haxtun loamy sand <br />85' Haxtun <br />22-Julesburg loamy sand, 0 to 3 percent slopes <br />75 Julesburg <br />23- Julesburg loamy sand, 3 to 7 percent slopes <br />60 Julesburg <br />Soil Chemical Properties <br />3e' 3e <br />4e ! 3e <br />6e 4e <br />This folder contains a collection of tabular reports that present soil chemical properties. <br />The reports (tables) include all selected map units and components for each map unit. <br />Soil chemical properties are measured or inferred from direct observations in the field <br />or laboratory. Examples of soil chemical properties include pH, cation exchange <br />capacity, calcium carbonate, gypsum, and electrical conductivity. <br />Chemical Soil Properties (Yuma County - Moser Pit) <br />This table shows estimates of some chemical characteristics and features that affect <br />soil behavior. These estimates are given for the layers of each soil in the survey area. <br />The estimates are based on field observations and on test data for these and similar <br />soils. <br />Depth to the upper and lower boundaries of each layer is indicated. <br />Cation-exchange capacity is the total amount of extractable bases that can be held <br />by the soil, expressed in terms of milliequivalents per 100 grams of soil at neutrality <br />(pH 7.0) or at some other stated pH value. Soils having a low cation-exchange capacity <br />hold fewer cations and may require more frequent applications of fertilizer than soils <br />having a high cation-exchange capacity. The ability to retain cations reduces the <br />hazard of ground-water pollution. <br />Effective cation-exchange capacity refers to the sum of extractable bases plus <br />aluminum expressed in terms of milliequivalents per 100 grams of soil. It is determined <br />for soils that have pH of less than 5.5. <br />17