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公开(公告)号：US4769277A
公开(公告)日：1988-09-06
申请号：US860574
申请日：1986-05-07
CPC分类号： A01G31/001 , A01G2031/002 , A01G2031/005 , Y02P60/216 , Y10S428/913 , Y10T428/249921 , Y10T442/50
摘要： Substrata for soil-free cultivation are characterized by a relatively low by-volume mass. They are also constituted of fine fibers. The substrata present the advantage of a high degree of water retention, even for small thicknesses.
摘要翻译： 无土壤培养的底物的特征在于体积相对较小的质量。 它们也由细纤维构成。 即使对于较小的厚度，该基质也具有高保水性的优点。
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公开(公告)号：US4879172A
公开(公告)日：1989-11-07
申请号：US155738
申请日：1988-02-16
CPC分类号： A01G31/001 , A01G2031/002 , A01G2031/005 , Y02P60/216 , Y10S428/913 , Y10T428/249921 , Y10T442/50
摘要： Substrata for soil-free cultivation are characterized by a relatively low by-volume mass. They are also constituted of fine fibers. The substrata present the advantage of a high degree of water retention, even for small thicknesses.
摘要翻译： 无土壤培养的底物的特征在于体积相对较小的质量。 它们也由细纤维构成。 即使对于较小的厚度，该基质也具有高保水性的优点。
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公开(公告)号：US4867779A
公开(公告)日：1989-09-19
申请号：US942722
申请日：1986-12-17
CPC分类号： C05G3/0047 , A01G31/001 , C05D9/00 , A01G2031/005
摘要： A vitreous product which can be used in agriculture is disclosed. With the exception of nitrogen, this vetreous product contains all the major and minor mineral elements which are essential for the nutrition of plants.The vitreous products can contain the following constituents, taken in the following proportions by weight:______________________________________ SiO.sub.2 25 to 65% Fe.sub.2 O.sub.3 1 to 15% P.sub.2 O.sub.5 1 to 15% B.sub.2 O.sub.3 0.01 to 2% K.sub.2 O 5 to 35% MnO 0.01 to 3% CaO 11 to 35% ZnO 0.01 to 3% MgO 1 to 10% CuO 0.01 to 2% SO.sub.3 0.01 to 1% MoO.sub.3 0.01 to 3% Na.sub.2 O 0 to 2% A1.sub.2 O.sub.3 0 to 25% ______________________________________
摘要翻译： 公开了可用于农业的玻璃制品。 除了氮气，这种蒸馏产品含有对植物营养至关重要的所有主要和次要矿物元素。 玻璃制品可以包含以下重量比的以下组分：-SiO 2 25至65％Fe 2 O 3 1至15％-P 2 O 5 1至15％B 2 O 3 0.01至2％K 2 O 5至35％MnO 0.01至3％ -CaO 11〜35％ZnO 0.01〜3％-Mg 1〜10％CuO 0.01〜2％-SO 3 0.01〜1％MoO 3 0.01〜3％Na 2 O 0〜2％-A 12 O 3 0〜25％
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