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Soil Test Results Calculator . The test results for your soil are first presented as a series of bar graphs meant to help you visually interpret the actual numerical results which appear at the bottom of the report. These units in the soil test report are, in fact, obtained from the ppm (mg/kg) values. New Soil Fertility Tool for 2016 Harrell’s SoilTest Calculator from agrireview.com Soil test results that fall outside these ranges deserve a closer look.iron, manganese and zinc are all readily available in the north coast’s. The settlement values obtained by this test are due to primary consolidation only which is 90% of the total consolidation. Next, subtract 54 from 150, leaving 96# k per acre i need to still add.