Soil salinity is a big problem for farming in dry areas like southern Xinjiang. To manage it better, researchers studied how salty the soil is in different parts of an orchard. They used GPS and maps to see where the salt was. They found that the saltiness varied across the orchard, but the whole area was mostly free from too much salt. They also saw that the saltiness was influenced by different factors, both from inside and outside the soil. This information can help farmers prevent the soil from getting too salty in the future.