A lignin-derived material improves plant nutrient | ResearchBunny

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Abstract

This study demonstrates the improvement of plant nutrient bioavailability and growth using hydrothermal sulfuric acid lignin (HSAL), a water-soluble material derived from sulfuric acid lignin (SAL). HSAL, characterized by a high ratio of phenolic hydroxyl groups to methoxy groups, exhibits a significant metal chelating capacity. Application of HSAL promotes root length and plant growth in both monocot and dicot species, comparable to the effects of EDTA. This sustainable approach offers an attractive avenue for lignin valorization and addresses micronutrient malnutrition.

Publisher

Nature Communications

Published On

Aug 11, 2023

Authors

Qiang Liu, Tsubasa Kawai, Yoshiaki Inukai, Dan Aoki, Zhihang Feng, Yihui Xiao, Kazuhiko Fukushima, Xianyong Lin, Weiming Shi, Wolfgang Busch, Yasuyuki Matsushita, Baohai Li

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