摘要
Rice planting decreased total iron but increased active iron.Iron activation varied greatly among different paddy soils but not in woodland soils.Paddy soil iron was mainly affected by pH,SOC and particle composition.The decrease of soil Fe was mainly in the form of Fec and was closely related to SOC.
基金
financially supported by Scientific Research Fund of Hunan Provincial Education Department(Grant No.20A234)
San’an Nie thanks the National Natural Science Foundation of China(Grant No.42177288)
as well as the National Natural Science Foundation of Hunan Province,China(Grant No.2023JJ30307).