1. Assessment of Fennel vulgare seed germination characteristics as influenced by ultrasonic waves and magnetic water;Fateh;European Journal of Experimental Biology,2012
2. Seed dormancy Germination New;Bradbeer;USA,1988
3. Beneficial effects of ultrasound on plants - a;Gordona;review Ultrasonics,1971
4. Effective methods for improving seed germination of Medicago scutellata and Medicago rigidula;Sadeghi;Romanian Agricultural Research,2012
5. Effect of ultrasonic waves on seed germination of Capparis spinosa as related to exposure time temperature and gibberellic acid Advances in Horticultural;Rinaldelli;Science,2002