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Lane Samantha R.,Sewell Robert D.E.,Jiang Robert The Korean Fiber Society 2006 Fibers and polymers Vol.7 No.1
It has been reported for several decades that microbes, which naturally contaminate cotton fibres during crop growth and subsequent storage can have an adverse effect on the structural quality of cotton lint. Although several studies have analysed the relationship between numbers of Gram-negative bacteria or bacterial endotoxin and particular physical properties, these studies have been limited to cotton from the United States, and the possible effects of fungal contamination have not been examined in detail. This study quantified the Gram-negative bacteria and fungal cells, as well as measuring concentrations of bacterial endotoxin and fungal glucan, on cotton lint samples from international sources. Spearman's rank correlation coefficients calculated between these results and quality data analysed by an automated testing instrument revealed several significant correlations. Findings included inverse correlations between the biological contamination parameters and fibre elongation, micronaire and reflectance. The possible causes and implications of these findings were also discussed.
Determination of Initial Denitrification in Intact Cores under Various Freshwater Wetland Types
Seo, Dong-Cheol,Delaune, R.D.,Lane, Robert R.,Day, John W. Korean Society of Soil Science and Fertilizer 2012 한국토양비료학회지 Vol.45 No.1
Denitrification rate was determined for various freshwater wetland types in the Mississippi River Coastal delta plain. Site 1 and 4 were collected from forested-tupelo dominated wetland, and site 2 and 3 were from floating emergent marsh. The maximum $N_2O$ emission was $7.47mg\;N\;m^{-2}$ for site 1 at day 6 after the addition of nitrate, $6.96mg\;N\;m^{-2}$ for site 2 at day 4, $6.63mg\;N\;m^{-2}$ for site 3 at day 3, and $9.64mg\;N\;m^{-2}$ for site 4 at day 4. The denitrification rate was determined using the acetylene inhibition method $1.24mg\;N\;m^{-2}d^{-1}$ for site 1, $1.93mg\;N\;m^{-2}d^{-1}$ for site 2, $2.24mg\;N\;m^{-2}d^{-1}$ for site 3, and $2.78mg\;N\;m^{-2}d^{-1}$ for site 4. The maximum denitrification rate was in the order of site 4 > site 3 > site 2 > site 1.
Determination of Initial Denitrification in Intact Cores under Various Freshwater Wetland Types
Dong Cheol Seo,R. D. DeLaune,Robert R. Lane,John W. Day 한국토양비료학회 2012 한국토양비료학회지 Vol.45 No.1
Denitrification rate was determined for various freshwater wetland types in the Mississippi River Coastal delta plain. Site 1 and 4 were collected from forested-tupelo dominated wetland, and site 2 and 3 were from floating emergent marsh. The maximum N2O emission was 7.47 mg N m<SUP>-2</SUP> for site 1 at day 6 after the addition of nitrate, 6.96 mg N m<SUP>-2</SUP> for site 2 at day 4, 6.63 mg N m<SUP>-2</SUP> for site 3 at day 3, and 9.64 mg N m<SUP>-2</SUP> for site 4 at day 4. The denitrification rate was determined using the acetylene inhibition method 1.24 mg N m<SUP>-2</SUP> d<SUP>-1</SUP> for site 1, 1.93 mg N m<SUP>-2</SUP> d<SUP>-1</SUP> for site 2, 2.24 mg N m<SUP>-2</SUP> d<SUP>-1</SUP> for site 3, and 2.78 mg N m<SUP>-2</SUP> d<SUP>-1</SUP> for site 4. The maximum denitrification rate was in the order of site 4 > site 3 > site 2 > site 1.