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| Web URL(s): | https://gsr.lib.msu.edu/article/whitlark-soil-3-4-11.pdf
Last checked: 03/02/2011
Requires: PDF Reader |
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| Publication Type:
| Professional |
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| Author(s): | Whitlark, Brian |
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| Author Affiliation: | Agronomist, Southwest Region, USGA Green Section |
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| Title: | Soil testing procedures for calcareous soils: Well-established soil testing methods on soils containing calcium carbonate or gypsum often underestimate fertilizer and soil amendment requirements |
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| Source: | USGA Green Section Record. Vol. 49, No. 9, March 4 2011, p. 1-5. |
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| Publishing Information: | Far Hills, NJ: United States Golf Association, Green Section |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Calcareous soils; Calcium carbonate; Case studies; Cation exchange capacity; Fertilization program; Gypsum; Nutritional requirements; Sodium requirement; Soil amendments; Soil pH; Soil testing; Test procedure
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| Abstract/Contents: | Discusses various soil testing methods which may account for different nutrient compositions. Details the characteristics and use of soil extractants, "[solutions] of water and various chemicals that, when mixed with soil, extract or remove nutrients from the soil that are: 1) contained in the soil solution, 2) easily dissolved in water, and 3) held on soil exchange sites and available for plant use." Indicates that using the wrong extractant to assess soils high in calcium carbonate or gypsum may report erroneous information on cation exhange capacity, sodium content, and fertilization program data. Includes two case studies in which calcareous soils were collected and tested in Arizona and found to be categorized incorrectly. Briefly details the water-based method, also known as the saturated paste test, in soil tests, noting that "nutrient levels found in saturated paste tests will be considerably lower than other extraction methods and should not be used to base fertilizer programs." Provides contact information for several soil testing facilities across the United States and encourages superintendents to consider different solution types, stressing that extractants suitable for all soil types do not yet exist. |
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| Language: | English |
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| References: | 5 |
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| Note: | Pictures, color
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Whitlark, B. 2011. Soil testing procedures for calcareous soils: Well-established soil testing methods on soils containing calcium carbonate or gypsum often underestimate fertilizer and soil amendment requirements. USGA Green Sec. Rec. 49(9):p. 1-5. |
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| Web URL(s):
https://gsr.lib.msu.edu/article/whitlark-soil-3-4-11.pdf
Last checked: 03/02/2011
Requires: PDF Reader |
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MSU catalog number: b2200469a |
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