2 , soil moisture content of biochar and bentonite applied in 2021 showed an increasing trend with the growth period of maize, and there was a significant difference in soil moisture content between T1 treatment and T22 treatment ( P < 0.05), while no significant difference in soil moisture value obtained from other treatments ( P > 0.05).
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Biochar and bentonite application improves aeolian sandy soil health and enhances soil carbon sequestration and emission reduction potential.
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The soil alkali-hydrolyzable nitrogen content showed a decreasing trend with maize development (Fig.