Abstract:

The article discusses the electric field and magnetic field effects of plant seeds,affirms the positive effects of the electromagnetic field treatment on the physiology and biochemistry indexes,which can raise the vitality and germination rate of seeds, and increase the germinating energy of seeds.The present condition and developing process of seed dielectric separation apparatus and equipment are introduced and analyzed.The mechanism of dielectric separation is further researched.It is put forward that the key factor to distinguish traditional separation is electric polarization force.While the construction of separation field and the method of calculating are presented,the state of seeds considered as separation dielectric in the electric field,dielectric property and affecting factors are instructed as well It points out that the main factor affecting the dielectric property of seed is moisture content of seeds. Further more,there is usually a linear relationship between them.Also the methods and equipment to measure the dielectric property of seeds are given.

Key words: Seeds, Dielectric separation, Bioelectromagnetic effect, Dielectric property