Long-term biochar addition significantly decreases rice rhizosphere available phosphorus and its release risk to the environment
2022
Hao Chen | Jiahui Yuan | Guanglei Chen | Xu Zhao | Shenqiang Wang | Dengjun Wang | Lei Wang | Yujun Wang | Yu Wang
Highlights Long-term (9-years) biochar amendment field and greenhouse pot experiments were conducted. DGT/DIFS/SPRRI were used to in-situ assess P availability, resupply, and release risk to the environment. Long-term biochar addition significantly decreased rice rhizosphere available P and its release risk to the environment. Fe/Al-P and unavailable P dominated the mobility and resupply of P.
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