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公开(公告)号：KR100993007B1
公开(公告)日：2010-11-09
申请号：KR1020090114026
申请日：2009-11-24
Applicant: 남해화학주식회사
CPC classification number: C05G3/04 , C05D3/00 , C05G3/0035
Abstract: PURPOSE: A fertilizer composition for direct sowing and a manufacturing method thereof are provided to enable fertilizer elements to be slowly emitted during the growing time of crops by mixing a coated fertilizer with covering soil. CONSTITUTION: A fertilizer composition for direct sowing contains the following: covering soil including a mixture of an alkaline covering-soil conditioner and phospho-gypsum; and a mixture of a compound fertilizer coated with a polymer resin, and a urea fertilizer. The alkaline covering-soil conditioner is selected from the group consisting of a silicate fertilizer and a calcium fertilizer.
Abstract translation: 目的：提供一种用于直播的肥料组合物及其制造方法，用于通过将包覆的肥料与覆盖土壤混合来使作物生长期间的肥料元素缓慢地排放。 构成：用于直播的肥料组合物包含以下物质：覆盖土壤，包括碱性覆盖土壤调节剂和磷酸石膏的混合物; 以及涂覆有聚合物树脂的复合肥料和尿素肥料的混合物。 碱性覆土调理剂选自硅酸盐肥料和钙肥。
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公开(公告)号：KR100445536B1
公开(公告)日：2004-08-25
申请号：KR1020030101527
申请日：2003-12-31
IPC: C05G5/00
Abstract: PURPOSE: A slow-release pellet state fertilizer is provided. And a reverse core-shell polymer emulsion is also provided to coat the slow-release pellet state fertilizer, which can give a slow-release property, can control the elution of the fertilizer easily, and has UV stability and weather resistance. CONSTITUTION: The slow-release pellet state fertilizer is coated with a composition containing the reverse core-shell polymer emulsion. The reverse core-shell polymer emulsion comprises a core polymer emulsion containing a carboxy group containing monomer and a shell polymer emulsion containing 30-50wt% of a crosslinked shell polymer emulsion and 50-70wt% of a molecular weight controlled shell polymer emulsion, wherein the shell polymer emulsion is inserted into the core polymer emulsion and the weight ratio of the core polymer emulsion and the shell polymer emulsion is 1:4-20.
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