Partizansk Coal Basin,located in the south of the Russian Far Eastern Region,was intensively mined from 1918 until 1998.Although it was mostly explored by under
Soil and Water Conservation (SWC) structures have been constructed on cultivated land for nearly 40 years to reduce soil loss and improve crop yields and people
The use of superabsorbent polymers or hydrogels could increase the water holding capacity (WHC) of sandy soil and reduce water loss by deep percolation.However,