Four halophytes(or salt-tolerant species)and their accessory structures of leaf related to adversity tolerance in the desert of northern Xinjiang Growth response and tolerance of potato (Solanum tuberosum L.) seedlings to root-zone hypoxia stress A STUDY ON THE ADVERSITY RESISTANCE OF LATOIA LEPIDA INJURING MANGROVE Rhizobia in Pamirs Plateau of China: Investigation of Symbiotic Resources with Leguminous Plants A Preliminary Study on Screening Adversity Resistance of Rhizobium Strains in Jianfengling Reserve and the 16S rDNA Determination