Effects of temperature and osmotic potential on seed germination of Cleistogenes songorica and Plantago lessingii Response to high temperature of Cleistogenes songorica seed dormancy from different positions Germination responses of three desert plants to temperature and water potential Effects of different mulching on the establishment of Cleistogenes songorica Clone and Expression Characterization of CsPEAMT Gene in Cleistogenes songorica Effect of urea fertilizer on growth and performance of Cleistogenes songorica turfgrass A new find of relationship between plant populations on Stipa breviflora desert steppe Effects of Enclosing on Non-structure Carbohydrate of Cleistogenes songorica