A study on successional trends of plant communities within aerial seeding region of the Alxa Desert Study on the Application of RPA in Aerial Seeding Population Dynamics of Main Plants with Maowusu Sandyland Was Aerially Seeded SUCCESSIONAL STAGE AND RATE OF THE AERIAL SEEDING VEGETATION IN THE MAOWUSU SANDYLAND Response of Soil Enzyme Activity to Thinning Intensity of Aerial Seeding Pinus tabulaeformis Stands Application of Multifunctional Seed-Dressing Agent in Aerial Seeding Against Desertification Study on Vegetation Change after Afforestation by Aerial Seeding on Sandy Land Allelopathy of Aqueous Extracts from Four Species Plants on Artemisia wudanica Test on Simulating Aerial Seeding in Sands of Upper Reaches of Yellow River