Transport of Nitrate in the Mississippi River in July-August 1999

by Coupe RH et al.

[W]ater samples and flow...about 2,250 river kilometers...>80% of the NO₃^-...originated in the first 500 river kilometers...not lost from the water column...stable isotope ratios... consistent with [no] fractionating gains or losses...no evidence of gains or losses of N₂ by nitrogen fixation or denitrification...>90% of the NO₃^-... transported to...Gulf of Mexico.

A Study of the Fertility and Carbon Sequestration Potential of Rice Soil with Respect to the Application of Biochar and Selected Amendments

by Prabha et al.

...effect of biochar on...grain yield of rice plants (Oryza sativa L.)...compared to organic amendments...carbon sequestra-tion...were found to be greater with biochar. The role of biochar as a green viable carbon negation option is supported by the study...

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