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Table 2.04.9 -1: Parameters and Analytical Procedures Utilized For Topsoil Analysis <br />Parameter -Units <br />Procedures Reference <br />Sample Preparation <br />Samples were air dried at less than 35 c. Clods were broke <br />up prior to grinding and sieving of samples. Large coarse <br />fragments were removed. Sample material was sieved. <br />Remaining rock coarse fragments left on the 10 mesh (2 mm) <br />sieved were removetl, Remaining soil Gods left an the 10 <br />mesh screen were ground until the sample just passed the <br />screen. Excessive grinding of sample material was avoided <br />during the entire sample preparation procedure. <br />Subsampling of sieved (less than 2 mm) soil materials for <br />analysis <br />USDA Handbook 60 1954 Diagnosis and Immovement of <br />Saline and Alkali Sails. on 83 -84. U S Salinity Laboratory <br />Staff <br />Coarse fragment content, percent by weight <br />USDA Handbook 436 Soil Taxonomy. App- 1 w. 472, Sol <br />Survey Laboratory Methods and Procedures for Collecting <br />Soil Samgles gage 9 and 12 -13 <br />PH <br />USDA Handbook 60, Method (21A) page 102 antl page 84 <br />Method (21. <br />Conductivity in mmhoslan @ 26° C <br />USDA Handbook 60 Method (3a) page 84 and Melhotl l4bl <br />Rape 8 &90. <br />Preparation of saturation extract and saturation percent <br />determination <br />USDA Handbook 60 Methods 2 and 3a. pages 84 and 88 <br />antl 2]a antl b. page 107. <br />Particle-Sue Analysis in Percent Gay. silt, sand, and very fine <br />sand <br />(A= 0.05 -0.1 ri <br />WSW. i in illboti 60. i95 <br />(Revised October 09) 2.04.9 -12 <br />