贾思勰是我国著名的农学家。为了发展祖国的农业生产，贾思勰编写了《齐民要术》。《齐民要术》是我国现存最早、最完整、最系统、内容最丰富的农学著作，也是世界上最早的农学专著。接下来，我们将用5节课的内容，为你介绍贾思勰的生平、思想主张，以及他的著作《齐民要术》。
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