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- Soil test values are reported in parts per million (ppm), which represents 1 milligram of extracted nutrient for each kilogram of soil. If you want to estimate the value in pounds per acre, you can simply multiply the ppm value by two.
www.ontario.ca/page/interpreting-your-soil-test-results
Soil test values are reported in parts per million (ppm), which represents 1 milligram of extracted nutrient for each kilogram of soil. If you want to estimate the value in pounds per acre, you can simply multiply the ppm value by two.
For each test, the document describes what is measured, recommends how and when to test, indicates levels at which test results suggest deficiencies or excessive concentrations, and suggests solutions to correct soil imbalances.
Soil testing labs use these solutions to extract plant available nutrients from soil and apply different philosophies to interpret the results and estimate the amount of nutrients required to optimize plant growth and yield potential.
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Apr 17, 2023 · Soil tests allow you to understand soil fertility in your fields. The accuracy of a soil test starts during the sampling process. Samples must be taken at a consistent depth and in a random nature. The objective is to collect multiple small samples representative of the field majority.
The primary goal of soil testing is to inform efficient and effective resource management. Soil testing is the most accurate way to determine lime and nutrient needs. Soil testing is also useful for identifying contaminated sites (e.g., elevated levels of lead).
Dec 12, 2016 · Regular soil testing is a critical component of good crop production. It allows you to monitor soil fertility levels, identify potential for nutrient deficiencies, and make fertilizer decisions based on the best possible information.
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Important concepts include the meaning of a soil-test value, soil-testing quality, use of soil testing to determine economically optimum nutrient application rates, and use of soil testing for environmental assessments.
