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Nitrate is measured most often in soil tests. Soil test results report NO3- N in lb N/ acre. Nitrate can be leached through the soil and lost to denitrification during periods of soil saturation. Nitrate is also produced by microbial decomposition of organic matter.
Jul 26, 2024 · Three common methods measure soil moisture: tensiometers, the gravimetric water content technique, and the appearance and feel method. Tensiometers use sealed tubes with a porous ceramic tip connected to a vacuum gauge. The gravimetric method involves comparing the weights of wet and dry soil samples.
Soil health tests measure various attributes of soil biology, chemistry/fertility, and physical properties. The various commercially available soil health tests emphasize diferent aspects of soil health, and there is no one universally accepted way to evaluate soil health.
The NRM Soil Health Test has been designed to integrate key aspects of these soil properties in order to provide a scientific platform for measuring, monitoring and managing soil health.
Specific crops require specific nutrient levels. The soil test is divided into four main sections, as shown on the Sample Soil Test Report. These are • information on client, sample and field • results of soil test • interpretation ratings for nutrient levels • recommendations for lime and fertilizer applications.
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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.
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Soil testing is used to assess what soil amendments are present or may be needed for optimum plant growth and yield potential. The results from a soil test list the concentration for specific parameters, an interpretation value (low, optimum, and high), and recommendations for amendment management or nutrient application.
