Full TGIF Record # 62904
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Aslan, M.; Drijber, R. A.; Powers, W. L.; Shearman, R. C.; Gaussoin, R. E.
Author Affiliation:University of Nebraska
Title:Accumulation of microbial biomass within particulate organic matter of aging golf greens
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 125.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Biomass; Soil microorganisms; Organic matter; Golf greens; Age; Humic substances; Soil testing
Abstract/Contents:"In agroecosystems microbial biomass (MB) is a key variable controlling soil organic matter dynamics, functioning primarily as an agent for the transformantion and cycling of carbon and associated plant nutrients within the soil. Knowledge about the distribution of MB is critical to understanding its functions. However, we have limited knowledge on both the functions and distribution of MB within highly managed ecosystems, such as golf greens. Although limited by sandy textures, stable microaggregation was greater in greens with biomass accumulations above 65 nmol lipid phosphate g⁻¹ oven dry soil. We observed a nonlinear plateau of MB within 43 golf greens between 3 and 25 years. The soil was further separated into sand and particulate organic matter (POM) fractions using Na metatungstate. In older greens a large portion of MB was located within POM of density < 2.3 g ml⁻¹. In this paper, accumulation of MB in relation to 1) accumulation of POM, 2) amount of MB per unit mass of sand and POM fractions, and 3) accumulation of humic substances will be discussed."
Note:This item is an abstract only!
See Also:Other items relating to: Biostimulants
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Aslan, M., R. A. Drijber, W. L. Powers, R. C. Shearman, and R. E. Gaussoin. 1999. Accumulation of microbial biomass within particulate organic matter of aging golf greens. Annu. Meet. Abstr. 91:p. 125.
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