id	keyword
ajst-8279	water
ajst-8279	soil
ajst-8279	salt
ajst-8279	transport
ajst-8279	chinese
ajst-8279	salt transport
ajst-8279	model
ajst-8279	soil water
ajst-8279	simulation
ajst-8279	 
ajst-8279	irrigation
ajst-8279	research
ajst-8279	hydrus
ajst-8279	study
ajst-8279	solute
ajst-8279	movement
ajst-8279	journal