Soil properties were quantified in alfalfa land and farmland at the margin of oasis.
The sequestrations of SOC, TN and TP were the same for alfalfa land and farmland.
Alfalfa land has the greatest positive effects on soil macro-aggregates.
Alfalfa land has the greatest positive effects on soil MBC and enzyme activities.
Alfalfa forage land was propitious to improve soil properties than in farmland.