Apparatus and method for exposing seeds to a magnetic field

Apparatus for electrically charging fluids

Apparatus for killing weeds

Apparatus for selectively applying electrical current to plants

Crop row centering

Electric worm collecting apparatus

Electrode arrangement for electric weed killing apparatus

Electronic silvicidal apparatus

Electronic stimulation of plants

Horticultural device for raising garden plants utilizing magneti

Magnetic seed treating device

Method and apparatus for applying fixed nitrogen to plants

Method and apparatus for controlling plant growth

Method and apparatus for enhancing growth characteristics of see

Method and apparatus for enhancing growth characteristics of see

Method and apparatus for removing earthworms from soil using ele

Method and apparatus for using electrical current to destroy wee

Method and device for weed control

Method and devices for treatment of a biological material...

Method of stimulating plant growth