Root distribution and canopy structure of Salix gordejevii in different sandy land habitats Expression of TIP1-1 in Maize Root Systems under Water Deficit THE INVESTIGATION ON ROOT SYSTEMS OF XANTHOCERAS SORBIFOUA Fractal Analysis of Root System Architecture by Box-Counting Method and Its Relationship with Zn Accumulation in Rice (Oryza sativa L.) Aquaporin activitiesin sunflower root system increased with increasing seedling age Productive Performance and Development Characteristics of Root Systems of 4 Forage Legume Species in Loess Plateau, China