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    • 2. 发明专利
    • Agricultural material
    • 农业材料
    • JP2008031333A
    • 2008-02-14
    • JP2006207565
    • 2006-07-31
    • Denki Kagaku Kogyo Kk電気化学工業株式会社
    • NAOKAWA TAKUJIICHIJO TOSHIJIMASUDA TAKAHITO
    • C09K17/02A01G7/00C05B7/00C05C7/00C05D5/00C05G1/00C09K17/06C09K17/14C09K17/42C09K101/00
    • PROBLEM TO BE SOLVED: To provide an agricultural material that is more excellent in the effect of inhibiting cadmium from being absorbed into agricultural crops. SOLUTION: The agricultural material comprises light burned magnesia, phosphoric acid or a salt thereof and lime nitrogen. It is more preferable that the agricultural material has at least one of requirements selected from the following: (1) the light burned magnesia is a calcined product of magnesium carbonate calcined at 700-900°C; (2) the phosphoric acid or the salt thereof is at least one kind selected from the group consisting of phosphate soda and calcium phosphate; (3) the agricultural material further comprises an organic acid or a salt thereof; (4) the organic acid or the salt thereof is at least one kind selected from lignin sulfonic acid, citric acid, gluconic acid and sodium salts of these acids; and (5) the agricultural material has a content of the light burned magnesia of 60-90 mass%, a content of the phosphoric acid or the salt thereof of 0.5-15 mass% in terms of P 2 O 5 , a content of lime nitrogen of 5-40 mass% and a content of the organic acid or the salt thereof of 6 mass% or less (0% inclusive). COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种在抑制镉被吸收到农作物中效果更好的农业材料。 解决方案:农用材料包括轻烧的氧化镁,磷酸或其盐和石灰氮。 更优选农用材料具有以下要素中的至少一个:(1)轻烧氧化镁是在700-900℃煅烧的碳酸镁的煅烧产物; (2)磷酸或其盐是选自磷酸钠和磷酸钙中的至少一种; (3)农用材料还包含有机酸或其盐; (4)有机酸或其盐是选自木素磺酸,柠檬酸,葡糖酸和这些酸的钠盐中的至少一种; 和(5)农用材料的轻燃烧氧化镁的含量为60〜90质量%,磷酸或其盐的含量为P 2 为0.5〜15质量% O 5 ,石灰氮含量为5-40质量%,有机酸或其盐的含量为6质量%以下(0%以下)。 版权所有(C)2008,JPO&INPIT