ENERGETIC ANALYSIS OF LAMB GRAZING SYSTEM IN SAINFOIN STUBBLE FIELDS Selection for salt tolerance in tissueculture of sainfoin and recovery ofplants from NaCl tolerant callus CHANGES OF ISOENZYME PATTERNS OF PEROXIDASE AND EASTERASE DURING EARLY PROCESS OF SOMATIC EMBRYOGENESIS IN SAINFOIN (Onobrychis viciaefolia Scop) Cryopreservation of Sainfoin Tissue Cultures and Their Ultrastructural observation CULTURE AND PLANT REGENERAION OF PROTOPLASTS FROM HYPOCOTYL CALLI OF SAINFOIN(Onobrychis viciae folia Scop.)CULTIVAR ESKI MORPHOLOGICAL STUDIES ON CRYSTAL CELLS OF SAINFOIN Changes in the Syntheses of DNA, RNA and Protein during Early Somatic Embrogenesis in Sainfoin(Onobrychis viciaefolia Sccp.) Study on Peroxidase and Esterase Isoenzymes and the Ultrastructure of the Space Induced Mutant Leaves of Sainfoin(Onobrychis viciaefolia Scop.) Studies of Fresh or Wilted Sainfoin Silage with Selected Additives