LANGEZAAL, LUCAS EVERHARDUS MARIA,DE GROOT, JACOB FRANK
申请号:
EP19890201782
公开号:
EP0350132(A1)
申请日:
1989.07.05
申请国别(地区):
欧洲专利局
年份:
1990
代理人:
摘要:
The invention relates to an agroblock comprising an inorganic soil type, such that the agroblock is substantially form-retaining at any moisture content and that at a suction pressure of pF 2 the moisture content amounts to at least 15% by volume. Preferably the agroblock comprises a homogeneous mixture of mineral wool and said inorganic soil type, wherein the quantity of mineral wool amounts to 0-90% by weight, and the amount of soil type amounts to 100-10% by weight.