Full TGIF Record # 73356
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/1065657X.2001.10702030
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Author(s):Zinati, G. M.; Li, Y. C.; Bryan, H. H.
Author Affiliation:University of Florida, Institute of Food and Agricultural Sciences, Tropical Research and Education Center, Homestead, Florida
Title:Utilization of compost increases organic carbon and its humin, humic and fulvic acid fractions in calcareous soil
Other records with the "Research" Section
Source:Compost Science & Utilization. Vol. 9, No. 2, Spring 2001, p. 156-162.
Publishing Information:Emmaus, PA: JG Press
# of Pages:7
Keywords:TIC Keywords: Composts; Carbon; Fulvic acid; Humic acids; Calcareous soils; Soil fertility; Sewage sludge; Municipal solid waste; Inorganic amendments; Organic amendments; Soil pH; Electrical conductivity
Geographic Terms:South Florida
Abstract/Contents:"Organic carbon sustainability in a gravelly calcareous soil is a great challenge under the humid conditions of south Florida. The beneficial effects of compost utilization on soil fertility prompted an investigation on (i) accumulation of total organic carbon and (ii) the soil organic carbon (SOC) in humin, humic acid (HA) and fulvic acid (FA) fractions in a gravelly calcareous soil amended with composts of inorganic fertilizer. In 1996 and 1998, compost from municipal solid waste (MSW) (100% MSW), Bedminster cocompost (75% MSW and 25% biosolids) and biosolids compost (100% biosolids) at 72, 82.7 and 15.5 Mg ha-1, respectively, were each incorporated in soil beds and inorganic fertilizer (6-2.6-10) NPK at 2.8 Mg ha-1. A control (no amendment) treatment was also included. Total organic carbon and various fractions of soil organic carbon were determined in two depths (0-10 and 10-22 cm) for both soil particles (<2mm) and pebbles (>2mm). Inorganic and organic soil amendments had decreased soil pH and increased soil electrical conductivity (EC) 19 months from initial application. Total organic carbon contents in soil particle were 4-, 3-, and 2-fold higher in MSW compost, Bedminster cocompost and biosolids compost treatments, respectively, than those in fertilizer treated or non-treated soils. MSW compost increased total organic carbon in pebbles by 4- and 3-fold in the 0-10 and 10-22 cm deep layers, respectively, more than other treatments. The soil organic carbon accumulation decreased with depth in all treatments in soil particles, but did not in pebbles. Amending soils with MSW compost significantly increased the organic carbon in humin, HA and FA fractions more than those treated with inorganic fertilizer or non-amended. MSW compost has a potential to be used as a soil amendment to increase and sustain the organic carbon in calcareous soils of south Florida."
See Also:Other items relating to: Biostimulants
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zinati, G. M., Y. C. Li, and H. H. Bryan. 2001. Utilization of compost increases organic carbon and its humin, humic and fulvic acid fractions in calcareous soil. Compost Sci. Util. 9(2):p. 156-162.
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    Last checked: 10/01/2015
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MSU catalog number: TD 796.5 .C584
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