Full TGIF Record # 171722
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Web URL(s):http://archive.lib.msu.edu/tic/updat/article/2005jan12.pdf
    Last checked: 12/22/2010
    Requires: PDF Reader
Publication Type:
i
Newsletter
Author(s):Savard, Don
Author Affiliation:Athletic Facilities & Grounds Manager, Salesianum School, Wilmington, DE and Vice President, SFMANJ
Title:Feed the soil or feed the turf?
Source:Update [New Jersey]. Vol. 5, No. 1, January/February 2005, p. 12-13.
# of Pages:2
Publishing Information:Pennsville, NJ: Sports Field Managers Association of New Jersey
Keywords:TIC Keywords: Analytical methods; Cation exchange; Clippings; Laboratory methods; Maintenance philosophy; Nutrient deficiency; Nutrient recovery; Nutrient removal by plants; Nutritional requirements; Soil testing; pH
Abstract/Contents:Discusses whether turf managers should be feeding soil or feeding turf, suggesting that "if you don't know, you could be buying products that you don't really need." Emphasizes that "there are differences in the approach or philosophy that soil testing labs use when making recommendations." Details three of the "most common" philosophical concepts: the Sustainable Level of Available Nutrient (SLAN) concept, the Basic Cation Saturation (BCS) concept, and the Maintenance Fertility (MF) concept. Notes that the SLAN concept "refers to the approach of testing the soil for certain nutrients needed to sustain growth, and if the nutrient is lacking, you just add the nutrient." States that the BCS concept "suggests that the 'balance' of exchangeable Calcium, Magnesium, Potassium, Sodium, and Hydrogen cations in the soil, within a specific percentage range, or, in specific rations to each other, will promote maximum crop response." Reports that the MF concept focuses on "replacing the nutrients that have been removed or lost. MF might be helpful in instances when grass clippings are always collected, or nutrients are leached out of the soil." Concludes that different soil testing laboratories might make different decisions regarding the same soil: "Soil testing labs use different test extractants and methodology on different soils in different parts of the country because the extractants and methodologies are most effective within certain pH [potential Hydrogen] ranges and soil types." Briefly speculates which method might be most effective.
Language:English
References:5
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Savard, D. 2005. Feed the soil or feed the turf?. Update [New Jersey]. 5(1):p. 12-13.
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http://archive.lib.msu.edu/tic/updat/article/2005jan12.pdf
    Last checked: 12/22/2010
    Requires: PDF Reader
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