Title: Soil-incorporating Poultry Litter Increases Cotton Tissue Nitrogen Concentration and Uptake Authors
Submitted to: ASA-CSSA-SSSA Annual Meeting Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: November 20, 2007
Publication Date: April 24, 2007
Citation: Tewolde, H., Shankle, M.W., Adeli, A., Sistani, K.R., Rowe, D.E. 2007. Soil-incorporating Poultry Litter Increases Cotton Tissue Nitrogen Concentration and Uptake. ASA-CSSA-SSSA Annual Meeting Abstracts. Technical Abstract: Applying poultry litter to fertilize no-till cotton implies the litter is left on the surface without soil-incorporation which exposes the litter and its nutrients to risks of loss in runoff water and volatilization. This research was conducted to test if light soil-incorporation of litter increases the N nutrition of no-till cotton by reducing loss of litter-derived N. The results showed N concentration in leaves, stems, and other aboveground plant parts was greater when the litter was incorporated with the top 50 mm soil layer than when left unincorporated. Soil-incorporating the litter increased the amount of plant-available N probably by conserving litter-derived N from loss to volatilization and runoff. Regardless of the incorporation, cotton fertilized with litter had less tissue N concentration than cotton fertilized with the conventional inorganic fertilizer urea-ammonium nitrate (UAN). Yet, cotton fertilized with litter yielded better than cotton fertilized with the standard UAN.