Experimental study finds biochar and bioorganic fertilizer improve rhizosphere microecology in Sesbania cannabina, suggesting effective strategies for saline-alkaline soil remediation.
Co-application of biochar and BOF resulted in the greatest improvement of rhizosphere soil microecology, either by promoting plant growth or improving the nutrition and physicochemical properties of soil, followed by BOF alone and biochar alone. Additionally, higher application rate of biochar was better than lower application rate, and fine biochar had a stronger effect than coarse biochar. These results provide guidance for the development of new saline-alkaline soil remediation strategies.
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Gu et al. (2023) studied this question.
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