发明名称 Process and plate for preparing ground in order to regulate its water retention
摘要 The process according to the invention consists in inserting a plate 3, having blind cavities and holes through it, between topsoil 2 and a support layer 1a, 1b, in order partially to retain irrigation water from the topsoil 2 in its base. <IMAGE>
申请公布号 FR2626300(A1) 申请公布日期 1989.07.28
申请号 FR19880000846 申请日期 1988.01.26
申请人 VIALATEL ERIC;COLIN YVES 发明人
分类号 A01G25/00;E01C13/08;E02B11/00 主分类号 A01G25/00
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