Patent ID: 7673415

Claim:
An apparatus for plant growth promotion in a desert, comprising: at least two support posts; a rotary rod rotatably attached to the support posts; a plurality of wheels secured to the rotary rod; an electrical motor attached to one of the support posts; a blocking plate having a pivot edge that is connected to the support posts, the blocking plate being capable of swinging pivoting the pivot edge and holding in position between an approximately horizontal position and one or two approximately vertical positions; a plurality of cables, each cable attached to the blocking plate at one end and attached and wound on one of the wheels on the other end; a wind turbine attached to the top portion of one of the support posts and capable of generating electricity from wind; and whereby rotational movement of the electric motor is transmitted through transmission means to the rotary rod and the wheels secured thereon, as such to extend the cables to cause the blocking plate to swing downward, or to pull back the cables to cause the blocking plate to swing upward.