The anatomical structure responses in alfalfa to salinity-alkalinity stress of NaHCO3 Effects of sub-low temperature and drought stress on root morphology and leaf structure of tomato seedlings. Effects of potassium fertilization on leaf anatomical structures of different cotton genotypes ANATOMICAL OBSERVATION OF ASSIMILATINE BRANCHES OF SOME SPECIES IN YANCHI COUNTY, NINGXIA Anatomy and its ecological adaptation of an ephemeroid Erythronium sibiricum in Xinjiang Microstructure and Ultrastructure of Alfalfa Seeds with Different Moisture Contents after Satellite Carrying