“中微量元素肥料”的概念、定义、翻译、参考文献-科学参考

单词	中微量元素肥料
释义	中微量元素肥料 Encyclopedia 农学中微量元素肥料释 secondary nutrients and micronutrients fertilizers中微量元素肥料中量元素肥料和微量元素肥料的统称。与大量元素氮、磷、钾的含量相比较而言，在作物干物质组分中，钙、镁、硫的含量一般在百分之一到万分之一，称为中量元素。对于作物来说，含量介于0.2～200毫克/千克（按干物重计）的必需营养元素称为“微量元素”。
随便看	projection-grid method projection identification method for the characteristic model projection image projection instrument projectionist projection iteration projection iterative method projection map projection mapping projection matrix projection measurement projection method projection moiré projection morphism projection neuron projection objective projection of a circular cone projection of a curve projection of a fiber bundle projection of a fiber space projection of a figure projection of a knot projection of a link projection of a measure projection of a point

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