【摘要】 阐述微量元素肥料在农业生产中的重要作用 ,分析我国中微量元素生产和应用的现状及发展前景 ,概述中微量元素生产的原料来源及工艺技术 ,对发展我国中微量元素肥料的生产和应用提出了建议。更多还原

【Abstract】 The importance of secondary and trace elements in agriculture is stated. The present condition and prospect of production and application in China are also discussed. The raw materials and processes for production of secondary and trace elements are introduced. Finally some suggestions are presented.更多还原