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- Soil_test abstract "In agriculture, a soil test is the analysis of a soil sample to determine nutrient and contaminated content, composition, and other characteristics such as the acidity or pH level. A soil test can determine fertility, or the expected growth potential of the soil which indicates nutrient deficiencies, potential toxicities from excessive fertility and inhibitions from the presence of non-essential trace minerals. The test is used to mimic the function of roots to assimilate minerals. The expected rate of growth is modelled by the Law of the Maximum.Labs, such as those at Iowa State and Colorado State University, recommend that a soil test contains 10-20 sample points for every 40 acres (160,000 m2) of field. Tap water or chemicals can change the composition of the soil, and may need to be tested separately. As soil nutrients vary with depth and soil components change with time, the depth and timing of a sample may also affect results.Composite sampling can be performed by combining soil from several locations prior to analysis. This is a common procedure, but should be used judiciously to avoid skewing results. This procedure must be done so that government sampling requirements are met. A reference map should be created to record the location and quantity of field samples in order to properly interpret test results.".
- Soil_test thumbnail Soil_test.JPG?width=300.
- Soil_test wikiPageExternalLink why_a_soil_test.php.
- Soil_test wikiPageExternalLink gpo41808.
- Soil_test wikiPageExternalLink samplesoilreport.pdf.
- Soil_test wikiPageExternalLink pollsoilcontaminants.html.
- Soil_test wikiPageExternalLink ff_09.htm.
- Soil_test wikiPageExternalLink 00501.html.
- Soil_test wikiPageID "411781".
- Soil_test wikiPageRevisionID "594156645".
- Soil_test hasPhotoCollection Soil_test.
- Soil_test subject Category:Soil.
- Soil_test comment "In agriculture, a soil test is the analysis of a soil sample to determine nutrient and contaminated content, composition, and other characteristics such as the acidity or pH level. A soil test can determine fertility, or the expected growth potential of the soil which indicates nutrient deficiencies, potential toxicities from excessive fertility and inhibitions from the presence of non-essential trace minerals. The test is used to mimic the function of roots to assimilate minerals.".
- Soil_test label "Soil test".
- Soil_test sameAs Analisis_tanah.
- Soil_test sameAs 토양분석.
- Soil_test sameAs m.0255dt.
- Soil_test sameAs Q877107.
- Soil_test sameAs Q877107.
- Soil_test wasDerivedFrom Soil_test?oldid=594156645.
- Soil_test depiction Soil_test.JPG.
- Soil_test isPrimaryTopicOf Soil_test.
