Application of fractal theory in studying soil aggregates under different skidding modes Fractal Theory Application on Grassland Science (Review) Fractal characteristics of daily discharge in different scales watersheds. Fractal theory and its application in the analysis of soil spatial variability: A review. Application of Fractal Theory in Hyperspectral Detecting the Early Stage ofPine Wood Nematode Disease(Bursaphelenchus xylophilus) of Pinus massoniana with Hyperspectrum