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硝酸磷肥
释义
硝酸磷肥
Encyclopedia
工学
复合肥料
释
nitrophosphate
硝酸磷肥
用硝酸分解磷矿制得的氮磷(钾)复合肥料。产品主要成分为硝酸铵、磷酸铵和磷酸钙盐。硝酸磷肥的主要特点是硝酸分解磷矿时,硝酸起到了双重作用,既利用了硝酸的化学能分解磷矿,把矿中的五氧化二磷转变为可被作物吸收的形态,其本身又能作为作物的养分留在产品中,起到以氮带磷的作用,经济上比较合理。
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Presidential Records Act
president of the People's Republic of China
president-responsibility system under the leadership of Chinese Communist Party Committee
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pre-sowing seed treatment machine
presowing treatment of seed
presowing treatment of tree seed
presplitting
presplitting blasting
presplitting blasting of open pit
Presqu'île crater
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