Patent ID: 6553713
Filing Date: 2003-04-29
Classification: A01G,Y02A,Y02P

Abstract:
A system for growing planton sandy ground in a desert-like region comprising,a sealed plastic tent-like housing maintained in an upstanding erected condition by supporting rods, said housing having sand provided at a bottom portion therein for anchoring said housing on said ground to form a protective interior suitable for growing a plant, a first opening formed at the top of said housing for admitting air into the housing, a first reverse air flow preventing means provided at said first opening, a second opening formed at the top of the housing to provide another breathing opening and being operative to expel air from said housing when said housing is subjected to outside pressure, a second reverse air flow preventing means provided in said second opening, a third opening formed in said housing and operative to communicate with a water storage tank provided outside said housing, a floatable ball valve adapted in said first reverse air flow preventing means and operative to control the flow of water from said water storage tank through said third opening into said housing for feeding the plant, two wings mounted adjacent to said first opening and operated by outside wind for drawing outside air into said housing, an inlet air control valve coupled to said first opening by an air duct, an air balloon located in said duct, and said air balloon being connected to an evaporation dish located in said housing, said air balloon being operative by vapor generated from said evaporation dish to block said air duct when outside air is bot during the day time, a steel ball located in said air duct and being operative to block said air duct when too large amount of air is flowing through said air duct.