Effects of Different Aluminum Stress on the Growth of Rice Roots ATTACHMENT OF ASSOCIATIVE DIAZOTROPH Alcaligenes faecalis TO RICE ROOTS Influences of artificial disturbing degrees on soil conditions and liquorice roots system An Orthogonal Method for Comparing Extracting Techniqucs of Licorice Root Extract Hydrogen Peroxide-Mediated Growth of the Root System Occurs via Auxin Signaling Modification and Variations in the Expression of Cell-Cycle Genes in Rice Seedlings Exposed to Cadmium Stress Construction of OsRUS 2.1 yeast two hybrid prey vectors and detection of their toxicity and self activated activity