id	keyword
esrj-103275	soil
esrj-103275	erosion
esrj-103275	dagua
esrj-103275	factor
esrj-103275	basin
esrj-103275	del
esrj-103275	water
esrj-103275	area
esrj-103275	river
esrj-103275	colombia
esrj-103275	et al
esrj-103275	soil erosion