Loss and movement of topsoil;

Erosion by water or wind;

Soil conservation; prevention and control of erosion by agricultural practices, soil or land fixation, and

other methods;

Soil reclamation, restoring of soil for cultivation.

For: drainage, see P11

economics of land development and utilization, see E11

forest shelterbelts and windbreaks, see K10

leaching, see P35

soil degradation, see P35

soil salinity, see P35