| 摘要 |
The fertilizer dispenser of the present invention comprises a tank having an elliptical shape and being disposed vertically with respect to its rectilinear axis on a suitable pedestal; a bladder made of a flexible, resilient material disposed within the tank and fastened to the lowermost interior end wall of the tank; a column disposed into the bladder from the lowermost interior end wall of the tank to a point distally from the uppermost terminal end of the tank; a fertilizer input tube operable to conduct fluid fertilizer under pressure from a suitable source to the lowermost terminal end of the tank into the bladder; a fertilizer output tube operable to conduct the fertilizer from the bladder and the tank into an irrigation water supply pipe; and a water governor tube operable to conduct water under pressure from the pipe to the interior walls of the tank and outside the bladder. The column may be made of an open mesh screen disposed about the connections of the fertilizer input tube and the fertilizer output tube.
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