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Title: GROWTH PERFORMANCE OF COLLARD GREENS IN SOILS AMENDED WITH POULTRY LITTER AND FLY ASH

Author
item DELISE, J - SAVANNAH STATE UNIV
item SIVAPATHAM, P - 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: 10/1/2004
Publication Date: 11/1/2004
Citation: Delise, J.A., Sivapatham, P., Sajwan, K.S., Alva, A.K. 2004. Growth performance of collard greens in soils amended with poultry litter and fly ash. ASA-CSSA-SSSA Annual Meeting Abstracts. (On CD)

Interpretive Summary:

Technical Abstract: Poultry litter, as soil amendment can be beneficial for successful plant growth. However, it can also pose threat to the soil environment due to greater amount of readily available N, P, and K and other trace elements. A greenhouse plant uptake study was conducted in two soils [candler fine sand from Florida (pH=6.8)and Ogeechee loamy sand (pH=5.2) from Georgia]. These soils were amended with varying rates (0, 4.9, 12.4, 24.8, 49.6 Mg ha-1) of poultry litter alone and 1:1 mixture of poultry litter and fly ash to evaluate the growth performance and accumulation of various nutrients in plant. Collard greens (Brassicaoleracea var. acephala) were grown for 6 weeks in amended soils. Plant parts (leaves, shoots and roots) harvested from various treatments and processed for dry matter and nutrient accumulation. Results of this study indicated dry weight and nutrient contents in various plant parts increased up to 12.4 Mg ha-1 amendment rate and then started to decrease. Effects of soil type, rates of amendments on growth performance and nutrient accumulation in various plant parts will be discussed in this presentation.