Санітарно-гігієнічна оцінка фонових рівнів важких металів в кормах біогеохімічних провінцій півдня України
The features of accumulation of cadmium, lead, copper and zinc in the seed of kor-movykh cultures of different regions and areas of south of Ukraine are Studied. The regional feature of southern district of dry-steppe zone is high content of Plumbum at 100% of samples of seeds of feed crops, low level of Zink, that is necessary while composing the rations and consider this zone as biogeochemical province.