Ammoxidized kraft lignin as a slow-release fertilizer tested on Sorghum vulgare

Ramirez, F.; Gonzalez, V.; Crespo, M.; Meier, D.; Faix, O.; Zuniga, V.

Ammoxidized kraft lignin as a slow-release fertilizer tested on Sorghum vulgare

1997

Ammoxidized kraft lignin has been tested as a slow-release fertilizer for the cultivation of sorghum in pot experiments. In comparison to ammonium sulfate as a conventional inorganic fertilizer, this modified lignin was a satisfactory source of nitrogen when applied in high dosage, producing similar grain and biomass yields as the reference. The soil fertilized with N-functionalized lignin showed essential) lower amounts of NO3(-) in the percolation water than soil fertilized with ammonium sulfate.

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