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The main crops are to be winter oats or wheat with corn for silage as a summer crop. The <br /> recommendation is to periodically deep "rip" the soil to continue the breakup of the shallow <br /> claypan layers to facilitate water and root penetration into the soil profile of the "root zone". <br /> Considering the soil profiles at the site, the slow to moderate permeability and the low capacity to <br /> hold water, manure solids should be applied to and worked into the soil profile to a depth of 18". <br /> This will build up the soil tilth and water holding capacity due to an increase of organic materials <br /> to the profile. The soil should be tested to monitor the "ENR" (estimated nitrogen release from <br /> organic nitrogen), and the amount of nitrate nitrogen in order to accurately calculate solid manure. <br /> nutrient laden lagoon water and commercial fertilizer to be added to the soil to provide a balance <br /> of elements for optimal plant growth and nutrient uptake. <br /> Organic materials nitrogen (ENR) are microbially converted over a period of years. Consequently. <br /> one application of manure solids will release nitrogen into the soil profile for approximately four <br /> year following. Amounts of nitrogen released will vary from year to year depending on soil type, <br /> seasonal temperatures and moisture. Thus, soil samples should be analyzed immediately before <br /> each planting to accurately account for residual nitrogen available for the up coming crop to <br /> determine the amounts of nitrogen to be applied to each crop. <br /> Considering, in general, the low available water capability of the soils in the area, irrigation <br /> applications need to be carefully managed to control field runoff due to the slow rate of <br /> permeability. Conversely, the frequency of application needs careful attention to minimize plant <br /> wilting. Therefore, irrigation applications will occur during the driest months beginning in May <br /> through October. During dry years, the winter crop may need supplemental water applications. <br /> Refer to page 30 for Endnotes and Reference sources <br /> Soil Suitability Study <br /> Property Name and Address: Frank Faria Dairy,Inc., 12182 S. Robinson Road, Escalon,CA 95320 <br /> Page 11 <br /> Western Design/David Avila 2001 <br />