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Title: NUTRIENT RELEASE PATTERN IN SOILS AMENDED WITH POULTRY LITTER AND FLY ASH

Author
item BUTTERBAUGH, T - SAVANNAH STATE UNIV
item SIVAPATHAM, P - SAVANNAH STATE UNIV
item POTTS, M - SAVANNAH STATE UNIV
item SAJWAN, K - SAVANNAH STATE UNIV
item Alva, Ashok

Submitted to: ASA-CSSA-SSSA Annual Meeting Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: 9/1/2004
Publication Date: 11/5/2004
Citation: Butterbaugh, T.E., Sivapatham, P., Potts, M.C., Sajwan, K.S., Alva, A.K. 2004. Nutrient release pattern in soils amended with poultry litter and fly ash. ASA-CSSA-SSSA Annual Meeting Abstracts. (On CD)

Interpretive Summary:

Technical Abstract: Organic amendments could be beneficial in improving soil fertility and supplying various nutrients. However, excessive application of these amendments could also pose a threat to surface and groundwater in terms of nutrient overload. Release pattern of nutrients was monitored for about 8 months in Candler fine sand (pH=6.8) and in Ogeechee loamy sand (pH=5.2) amended with poultry litter alone and 1:1 ratio of poultry litter and fly ash with application rates of 0, 2, 5, 10, and 20 Mg ha-1. The amended soils were incubated at their respective field capacity moisture contents. Representative sub-samples were extracted with water at predetermined time intervals for the determination of ionic strength, soil reaction, and various ionic compositions by Ion chromatograph (IC), and total elemental compositions using Inductively coupled plasma (ICP-OES). In this presentation effect of soil types, rates of poultry litter application and impact of fly ash incorporation on the release of various nutrients will be discussed.