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    • 3. 发明授权
    • Biomediated continuous release phosphate fertilizer
    • 生物连续释放磷肥
    • US5912398A
    • 1999-06-15
    • US490964
    • 1995-06-15
    • Alan H. GoldsteinRobert D. Rogers
    • Alan H. GoldsteinRobert D. Rogers
    • C05F11/08A01N25/00B09B3/00
    • C05F11/08
    • A composition is disclosed for providing phosphate fertilizer to the root zone of plants. The composition comprises a microorganism capable of producing and secreting a solubilization agent, a carbon source for providing raw material for the microorganism to convert into the solubilization agent, and rock phosphate ore for providing a source of insoluble phosphate that is solubilized by the solubilization agent and released as soluble phosphate. The composition is provided in a physical form, such as a granule, that retains the microorganism, carbon source, and rock phosphate ore, but permits water and soluble phosphate to diffuse into the soil. A method of using the composition for providing phosphate fertilizer to plants is also disclosed.
    • 公开了一种用于向植物根区提供磷肥的组合物。 该组合物包含能够产生和分泌增溶剂的微生物,用于提供微生物转化成溶解剂的原料的碳源和用于提供由增溶剂溶解的不溶性磷酸盐源的磷酸铁矿石,以及 作为可溶性磷酸盐释放。 该组合物以保留微生物,碳源和磷酸岩矿石的物理形式提供,例如颗粒,但允许水和可溶性磷酸盐扩散到土壤中。 还公开了将植物提供磷肥的组合物使用的方法。