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  2. Soil moisture sensor - Wikipedia

    en.wikipedia.org/wiki/Soil_moisture_sensor

    A simple soil moisture sensor for gardeners. Soil moisture sensors measure the volumetric water content in soil. [1] Since the direct gravimetric measurement of free soil moisture requires removing, drying, and weighing of a sample, soil moisture sensors measure the volumetric water content indirectly by using some other property of the soil, such as electrical resistance, dielectric constant ...

  3. List of state soil science associations - Wikipedia

    en.wikipedia.org/wiki/List_of_state_soil_science...

    This is a comprehensive list of state-level professional soil science associations in the United States. There is a US Consortium of Soil Science Associations that strives to increase work, communication and corporation between these associations and other soil scientist associations.lun

  4. Soil test - Wikipedia

    en.wikipedia.org/wiki/Soil_test

    A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely conducted soil tests are those performed to estimate the plant-available concentrations of nutrients in order to provide fertilizer recommendations in agriculture.

  5. AutoAnalyzer - Wikipedia

    en.wikipedia.org/wiki/AutoAnalyzer

    The best known of Technicon's CFA instruments are the AutoAnalyzer II (introduced 1970), the Sequential Multiple Analyzer (SMA, 1969), and the Sequential Multiple Analyzer with Computer (SMAC, 1974). The Autoanalyzer II (AAII) is the instrument that most EPA methods were written on and reference.

  6. Sanborn Field - Wikipedia

    en.wikipedia.org/wiki/Sanborn_Field

    Sanborn Field is located on the east side of the University of Missouri campus, on land purchased by the state for the university campus during the 1870s. It is roughly 7 acres (2.8 ha) in size, and is bounded by Bouchelle Avenue, Connaway Hall, Rollins Street, and College Avenue. [ 3 ]

  7. Menfro - Wikipedia

    en.wikipedia.org/wiki/Menfro

    Menfro strata. Menfro soil is a series of deep, well drained, moderately permeable soils formed in 6-to-20-foot (1.8 to 6.1 m) thick loess deposits. It is found in central and eastern Missouri and west-central and southwestern Illinois on upland ridgetops, backslopes, and benches adjacent to the Missouri and Mississippi rivers and their major tributaries.