Chapter 15 Micronutrients and micronutrient fertilizers. Boron, copper, Mo, Mn and their physiological roles and deficiency symptoms. their forms and their availability in soil. Common iron fertilizers and effective usage.

• 第十五章微量元素肥料主要讲授微量元素硼、铜、钼和锰等的生理功能和营养作用，缺素症状；土壤中4种微量营养元素的形态、转化及其有效性；微肥的合理施用。