Vegetables and fruits are known to have long-lasting biological reactions even after harvesting. Volatile components may be released as a response stimulation or injury. We measured the concentrations of volatiles from cut surfaces cucumbers their harvest analyzed relationship between time were gas concentrations. The results showed that indicate circadian rhythm. previously reported rhythm was...

abstract this survey tries to use of competitive advantage analysis of agricultural productions with shift share method. to arrive this target used of official published statistics in ten years priod (1374-1384) were used. the results explained north khorasan has competitive advantage in onion, melon, tomato and grape production. also in this survey, appointment potentials of low plant surface ...