发明名称 Water actuated plant fertilizing device
摘要 A fertilizer container for releasing nutrients to plants over a prolonged period of time including a receptacle having upper and lower reservoir separated by a porous plate. The lower reservoir contains fertilizer in a time-delay form which is slowly released upon contact with water seeping through the porous plate from the upper reservoir. The dissolved fertilizer then seeps through the porous lower reservoir and into the soil surrounding a plant.
申请公布号 US4056898(A) 申请公布日期 1977.11.08
申请号 US19760684926 申请日期 1976.05.10
申请人 BRUCATO, JACQUELINE I.;BRUCATO, STEVE J. 发明人 BRUCATO, JACQUELINE I.;BRUCATO, STEVE J.
分类号 A01G29/00;(IPC1-7):A01G29/00 主分类号 A01G29/00
代理机构 代理人
主权项
地址