“配方施肥”是《植物生产与环境》教学中的难点内容,也是江苏省对口单招升学考试中考查的重点。笔者在几年的教学中,推导出了一种比书本上更加完善的公式,现就相关的过程阐述一下,望各位同行指教。先根据已学或已了解的知识推导出公式,教师可以先介绍平衡施肥法的概念,接下来通过提问和诱导的方法推导出公式。 “Formulation and fertilization ” is the difficult content in the teaching of “Plant Production and Environment”, and is also the key point in examining the single-enrollment entrance exam of Jiangsu Province. The author in a few years of teaching, derived a more perfect formula than the book, now the process of elaboration, hope you enlighten colleagues. Based on the learned or understood knowledge, the teacher can first introduce the concept of balanced fertilization and then derive the formula by asking and inducing.