试述我国历代主要大田作物的种植

Recounting the Field Crop Planting in Past Dynasties of China

大田作物的种植是我国广大劳动人民主要的生产作业，衣食所资皆仰赖于斯。本文仅就我国历代主要大田作物种植的发展与变化作简要叙述，并对其发展变化的原因略加分析，以利于对我国农业发展历史的初步了解。

Planting the field crop had been a main productive operation for the broad masses of working people in our country, the means of their food and clothes had relied on them.The author tries to brief the development and change of the main field crop planting in past dynasties of our country,and to analyse the cause of the development and change so as to outline agricultual history of our country.