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�lI NUMBER OF SAMPLES 2 <br /> Denise Larson Extension <br /> ERO Resources WU.I'--1'V DATE RECEIVED 3/6/2018 <br /> 1842 Clarkson St SOIL,WATER&PLANT TESTING LABORATORY 4& <br /> 20H <br /> FORT COLLINS,COLORADO 80523-1120 DATI;REPORTED 3/13/2018 <br /> Deriver CO 80218 Phone 970491-5061 Fax 970-491-2930 <br /> AGRICULTURAL TEST REPORT COUNTY Denver <br /> IDENTIFICATION ROUTINE SOIL TEST RESULTS <br /> Modified AB-DTPA Na1IC03 Hot AB-I)'rPA <br /> METHOD USED: Estimate Estimate watktey Black Extract Extract -------------------------AB-DTPA Extract-------------------------------- Water Extract <br /> Lab EC Gyp Organic Nitrate Phosphorus Phosphorus Potassium 'Zinc Iron Manganese Copper Boron Sulfur <br /> No. Sample ID Sample pH Salts Excess 'Texture Estimate SAR mea Matter N P P KLn Fe Mn Cu B S <br /> Depth mmhos/cm Lime ]00g % ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm <br /> F825a S 1-3-2-18 8.1 02 very high sandy loam 0.2 2.6 3 185 100 339 11.9 33.4 8.9 3.5 0.15 26.2 <br /> F826b 52-3-2-I S 7.0 41 7 low sandy clay loam 14.9 1 2 1.6 22 210 117 891 12.4 20.1 11.3 5.1 0.24 68.8 <br /> FERTILIZER RECOMMENDATIONS: <br /> I.D. FIELD INFORMATION POUNDS OF ACTUAL NUTRIENT PER ACRE <br /> Lab Proposed Yield Lime(r/A)to raise pH to N PZOS K2O Zn Fe Mn Cu Boron Sulfur Gypsum <br /> No. Sample ID Acres Irrigation Crop Goal 6.0 6.5 TO Ibs/A Ibs/A ]bs/A lbs/A (bs/A Ibs/A lbs/A lbs/A lbs/A '1'/A <br /> F825a 51-3-2-18 I flood Irevegetation I variable I 1 40 0 0 1 0 0 0 0 0 0 0 <br /> F826b 52-3-2-18 I I flood Irevegetation I variable 1 20 1 0 1 0 1 11 1 Il 1 (I 1 0 1 0 0 4 <br /> SPECIAL COMMENTS AND SUGGESTIONS: <br /> The pH and salts of sample 51-3-2-18 are at levels that are suitable for plant growth.The pH of sample S2-3-2-18 is suitable for plant growth,however the salts are very high <br /> which may severely reduce plant growth.The SAR is also high, indicating that sodium is a problem.Add gypsum to help reduce sodium. <br /> Divide the gypsum recommendation into three applications where one-third of the recommended rate is applied 4-6 weeks apart when the ground is not frozen. <br /> Add water with the gypsum applications to leach it through the soil to remove sodium from the root zone. <br /> Web site:http://www.soiltestinglab.colostate.edu APPROVED James Self,Ph.D./Extension Soil Test Specialist <br />