the aim of this research was determination of nutritive value of cressa cretica with gas test method, in vivo digestibility and degradability with nylon bag method in three phenological stages. the amount of crude protein decreased significantly in seeding stage. but the amount of ndf and adf increased in seeding stage. the degradability of dry matter and rapid and slowly degradable fractions d...

The present study investigated the effect of arsenic (As) on photosynthesis and other selected physiological parameters in two ferns. ferns (Pteris cretica 'Albo-lineata' 'Parkerii') subjected to As doses 100 250 mg kg-1 for three months, showed different accumulation, which was higher Albo-lineata. Overall, obtained results indicated significant differences between studied individual effects g...