Persistence in Physical Systems: An Application to Soil Moisture MemoryRemoveMadhusudan Ingale, Bhupendra Bahadur Singh, Milind Mujumdar, Mangesh Goswami, Naresh Ganeshi, C. D. Aju, R. Krishnan, and M. RavichandranPhys. Rev. Lett. 135, 164201 (2025)